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[PATCH bpf-next v2 0/5] bpftool: Make probes which emit dmesg warnings optional

by Michal Rostecki

Feature probes in bpftool related to bpf_probe_write_user and bpf_trace_printk helpers emit dmesg warnings which might be confusing for people running bpftool on production environments. This patch series addresses that by filtering them out by default and introducing the new positional argument "full" which enables all available probes. The main motivation behind those changes is ability the fact that some probes (for example those related to "trace" or "write_user" helpers) emit dmesg messages which might be confusing for people who are running on production environments. For details see the Cilium issue[0]. v1: https://lore.kernel.org/bpf/20200218190224.22508-1-mrostecki@opensuse.org/T/ v1 -> v2: - Do not expose regex filters to users, keep filtering logic internal, expose only the "full" option for including probes which emit dmesg warnings. [0] https://github.com/cilium/cilium/issues/10048 Michal Rostecki (5): bpftool: Move out sections to separate functions bpftool: Make probes which emit dmesg warnings optional bpftool: Update documentation of "bpftool feature" command bpftool: Update bash completion for "bpftool feature" command selftests/bpf: Add test for "bpftool feature" command .../bpftool/Documentation/bpftool-feature.rst | 15 +- tools/bpf/bpftool/bash-completion/bpftool | 27 +- tools/bpf/bpftool/feature.c | 291 ++++++++++++------ tools/testing/selftests/.gitignore | 5 +- tools/testing/selftests/bpf/Makefile | 3 +- tools/testing/selftests/bpf/test_bpftool.py | 228 ++++++++++++++ tools/testing/selftests/bpf/test_bpftool.sh | 5 + 7 files changed, 463 insertions(+), 111 deletions(-) create mode 100644 tools/testing/selftests/bpf/test_bpftool.py create mode 100755 tools/testing/selftests/bpf/test_bpftool.sh -- 2.25.0

5 years, 2 months

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next-20200225 kselftest results

by ci_notify＠linaro.org

Summary ------------------------------------------------------------------------ kernel: 5.6.0-rc3 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: c99b17ac03994525092fd66bed14b4a0c82f0b4d git describe: next-20200225 Test details: https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20200225 Regressions (compared to build next-20200224) ------------------------------------------------------------------------ x86: kselftest: * net_fib-onlink-tests.sh kselftest-vsyscall-mode-native: * net_fib-onlink-tests.sh kselftest-vsyscall-mode-native/filesystems: * epoll_epoll_wakeup_test x86: kselftest: * net_fib-onlink-tests.sh kselftest-vsyscall-mode-native: * net_fib-onlink-tests.sh kselftest-vsyscall-mode-native/filesystems: * epoll_epoll_wakeup_test x86: kselftest: * net_fib-onlink-tests.sh kselftest-vsyscall-mode-native: * net_fib-onlink-tests.sh kselftest-vsyscall-mode-native/filesystems: * epoll_epoll_wakeup_test qemu_arm: kselftest: * seccomp_seccomp_benchmark * timers_rtcpie juno-r2: kselftest: * bpf_test_lpm_map qemu_x86_64: kselftest: * net_traceroute.sh qemu_i386: kselftest: * net_traceroute.sh Fixes (compared to build next-20200224) ------------------------------------------------------------------------ qemu_arm64: kselftest: * seccomp_seccomp_benchmark x86: kselftest-vsyscall-mode-none: * x86_fsgsbase_64 qemu_arm: kselftest: * rtc_rtctest i386: kselftest: * cgroup_test_freezer * rtc_rtctest In total: ------------------------------------------------------------------------ Ran 2678 total tests in the following environments and test suites. pass 1114 fail 1237 xfail 0 skip 327 Environments -------------- - dragonboard-410c - arm64 - hi6220-hikey - arm64 - i386 - juno-r2 - arm64 - qemu_arm - qemu_arm64 - qemu_i386 - qemu_x86_64 - x15 - arm - x86_64 Test Suites ----------- * kselftest * kselftest/drivers * kselftest/filesystems * kselftest/net * kselftest/networking * kselftest-vsyscall-mode-native * kselftest-vsyscall-mode-native/drivers * kselftest-vsyscall-mode-native/filesystems * kselftest-vsyscall-mode-native/net * kselftest-vsyscall-mode-native/networking * kselftest-vsyscall-mode-none * kselftest-vsyscall-mode-none/drivers * kselftest-vsyscall-mode-none/filesystems * kselftest-vsyscall-mode-none/net * kselftest-vsyscall-mode-none/networking Failures ------------------------------------------------------------------------ i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/clone3_clone3_clear_sighand * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/intel_pstate_run.sh * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_x86_64: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests * kselftest/x86_fsgsbase_64 juno-r2: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lpm_map * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_fdinfo_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests x86: * kselftest-vsyscall-mode-native/bpf_get_cgroup_id_user * kselftest/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-none/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-native/bpf_test_dev_cgroup * kselftest-vsyscall-mode-none/bpf_test_dev_cgroup * kselftest/bpf_test_dev_cgroup * kselftest-vsyscall-mode-none/bpf_test_flow_dissector.sh * kselftest-vsyscall-mode-native/bpf_test_flow_dissector.sh * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest-vsyscall-mode-native/bpf_test_lwt_ip_encap.sh * kselftest-vsyscall-mode-none/bpf_test_lwt_ip_encap.sh * kselftest-vsyscall-mode-native/bpf_test_lwt_seg6local.sh * kselftest-vsyscall-mode-none/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest-vsyscall-mode-native/bpf_test_maps * kselftest-vsyscall-mode-none/bpf_test_maps * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest-vsyscall-mode-native/bpf_test_netcnt * kselftest-vsyscall-mode-none/bpf_test_netcnt * kselftest-vsyscall-mode-none/bpf_test_progs * kselftest-vsyscall-mode-native/bpf_test_progs * kselftest/bpf_test_progs * kselftest-vsyscall-mode-none/bpf_test_progs-no_alu32 * kselftest-vsyscall-mode-native/bpf_test_progs-no_alu32 * kselftest/bpf_test_progs-no_alu32 * kselftest-vsyscall-mode-none/bpf_test_skb_cgroup_id.sh * kselftest-vsyscall-mode-native/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_skb_cgroup_id.sh * kselftest-vsyscall-mode-native/bpf_test_sock_addr.sh * kselftest/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-none/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-native/bpf_test_socket_cookie * kselftest-vsyscall-mode-none/bpf_test_socket_cookie * kselftest/bpf_test_socket_cookie * kselftest-vsyscall-mode-none/bpf_test_sock_fields * kselftest/bpf_test_sock_fields * kselftest-vsyscall-mode-native/bpf_test_sock_fields * kselftest-vsyscall-mode-native/bpf_test_sockmap * kselftest/bpf_test_sockmap * kselftest-vsyscall-mode-none/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest-vsyscall-mode-native/bpf_test_sysctl * kselftest-vsyscall-mode-none/bpf_test_sysctl * kselftest-vsyscall-mode-native/bpf_test_tc_edt.sh * kselftest-vsyscall-mode-none/bpf_test_tc_edt.sh * kselftest/bpf_test_tc_edt.sh * kselftest-vsyscall-mode-native/bpf_test_tcpbpf_user * kselftest/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-none/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-native/bpf_test_tcp_check_syncookie.sh * kselftest-vsyscall-mode-none/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest-vsyscall-mode-native/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-none/bpf_test_tcpnotify_user * kselftest/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-none/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tc_tunnel.sh * kselftest-vsyscall-mode-native/bpf_test_tc_tunnel.sh * kselftest-vsyscall-mode-none/bpf_test_tunnel.sh * kselftest-vsyscall-mode-native/bpf_test_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest-vsyscall-mode-none/bpf_test_xdping.sh * kselftest-vsyscall-mode-native/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_redirect.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_vlan_mode_generic.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_vlan_mode_native.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_vlan_mode_native.sh * kselftest-vsyscall-mode-native/filesystems/epoll_epoll_wakeup_test * kselftest/firmware_fw_run_tests.sh * kselftest-vsyscall-mode-native/firmware_fw_run_tests.sh * kselftest-vsyscall-mode-none/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest-vsyscall-mode-native/ftrace_ftracetest * kselftest-vsyscall-mode-none/ftrace_ftracetest * kselftest-vsyscall-mode-none/intel_pstate_run.sh * kselftest-vsyscall-mode-native/intel_pstate_run.sh * kselftest/intel_pstate_run.sh * kselftest/kvm_clear_dirty_log_test * kselftest-vsyscall-mode-none/kvm_clear_dirty_log_test * kselftest-vsyscall-mode-native/kvm_clear_dirty_log_test * kselftest-vsyscall-mode-native/kvm_cr4_cpuid_sync_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest-vsyscall-mode-none/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest-vsyscall-mode-native/kvm_dirty_log_test * kselftest-vsyscall-mode-none/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest-vsyscall-mode-none/kvm_evmcs_test * kselftest-vsyscall-mode-native/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest-vsyscall-mode-native/kvm_hyperv_cpuid * kselftest-vsyscall-mode-none/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest-vsyscall-mode-none/kvm_kvm_create_max_vcpus * kselftest-vsyscall-mode-native/kvm_kvm_create_max_vcpus * kselftest-vsyscall-mode-native/kvm_platform_info_test * kselftest-vsyscall-mode-none/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest-vsyscall-mode-native/kvm_set_sregs_test * kselftest-vsyscall-mode-none/kvm_set_sregs_test * kselftest-vsyscall-mode-native/kvm_smm_test * kselftest-vsyscall-mode-none/kvm_smm_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest-vsyscall-mode-none/kvm_state_test * kselftest-vsyscall-mode-native/kvm_state_test * kselftest-vsyscall-mode-none/kvm_sync_regs_test * kselftest/kvm_sync_regs_test * kselftest-vsyscall-mode-native/kvm_sync_regs_test * kselftest-vsyscall-mode-none/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_close_while_nested_test * kselftest-vsyscall-mode-native/kvm_vmx_dirty_log_test * kselftest-vsyscall-mode-none/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest-vsyscall-mode-native/kvm_vmx_set_nested_state_test * kselftest-vsyscall-mode-none/kvm_vmx_tsc_adjust_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest-vsyscall-mode-native/kvm_vmx_tsc_adjust_test * kselftest-vsyscall-mode-none/kvm_xss_msr_test * kselftest-vsyscall-mode-native/kvm_xss_msr_test * kselftest/kvm_xss_msr_test * kselftest-vsyscall-mode-none/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_NULL.sh * kselftest-vsyscall-mode-native/lkdtm_ACCESS_NULL.sh * kselftest-vsyscall-mode-native/lkdtm_ACCESS_USERSPACE.sh * kselftest-vsyscall-mode-none/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest-vsyscall-mode-none/lkdtm_BUG.sh * kselftest-vsyscall-mode-native/lkdtm_BUG.sh * kselftest/lkdtm_BUG.sh * kselftest-vsyscall-mode-none/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest-vsyscall-mode-native/lkdtm_CFI_FORWARD_PROTO.sh * kselftest-vsyscall-mode-none/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest-vsyscall-mode-native/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest-vsyscall-mode-none/lkdtm_CORRUPT_LIST_DEL.sh * kselftest-vsyscall-mode-native/lkdtm_CORRUPT_LIST_DEL.sh * kselftest-vsyscall-mode-none/lkdtm_CORRUPT_USER_DS.sh * kselftest-vsyscall-mode-native/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest-vsyscall-mode-native/lkdtm_EXCEPTION.sh * kselftest-vsyscall-mode-none/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_DATA.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_DATA.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_KMALLOC.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_RODATA.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_RODATA.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_STACK.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_USERSPACE.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_VMALLOC.sh * kselftest-vsyscall-mode-native/lkdtm_READ_AFTER_FREE.sh * kselftest-vsyscall-mode-none/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest-vsyscall-mode-none/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest-vsyscall-mode-native/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest-vsyscall-mode-native/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest-vsyscall-mode-none/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest-vsyscall-mode-native/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest-vsyscall-mode-native/lkdtm_SLAB_FREE_PAGE.sh * kselftest-vsyscall-mode-none/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest-vsyscall-mode-none/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest-vsyscall-mode-native/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest-vsyscall-mode-native/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest-vsyscall-mode-none/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest-vsyscall-mode-none/lkdtm_STACKLEAK_ERASING.sh * kselftest-vsyscall-mode-native/lkdtm_STACKLEAK_ERASING.sh * kselftest-vsyscall-mode-native/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest-vsyscall-mode-none/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest-vsyscall-mode-none/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest-vsyscall-mode-native/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_KERNEL.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest-vsyscall-mode-native/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest-vsyscall-mode-none/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest-vsyscall-mode-none/lkdtm_WARNING.sh * kselftest-vsyscall-mode-native/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest-vsyscall-mode-native/lkdtm_WRITE_KERN.sh * kselftest-vsyscall-mode-none/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest-vsyscall-mode-none/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest-vsyscall-mode-native/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest-vsyscall-mode-none/lkdtm_WRITE_RO.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest-vsyscall-mode-native/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest-vsyscall-mode-none/mqueue_mq_perf_tests * kselftest-vsyscall-mode-native/mqueue_mq_perf_tests * kselftest-vsyscall-mode-native/net_fib-onlink-tests.sh * kselftest/net_fib-onlink-tests.sh * kselftest-vsyscall-mode-none/net_fib_tests.sh * kselftest/net_fib_tests.sh * kselftest-vsyscall-mode-native/net_fib_tests.sh * kselftest-vsyscall-mode-none/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_concat_range.sh * kselftest-vsyscall-mode-native/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest-vsyscall-mode-none/net_ip_defrag.sh * kselftest-vsyscall-mode-native/net_ip_defrag.sh * kselftest-vsyscall-mode-native/net_l2tp.sh * kselftest/net_l2tp.sh * kselftest-vsyscall-mode-none/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest-vsyscall-mode-none/net_pmtu.sh * kselftest-vsyscall-mode-native/net_pmtu.sh * kselftest-vsyscall-mode-none/net_psock_snd.sh * kselftest/net_psock_snd.sh * kselftest-vsyscall-mode-native/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest-vsyscall-mode-none/net_run_netsocktests * kselftest-vsyscall-mode-native/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest-vsyscall-mode-native/net_test_vxlan_under_vrf.sh * kselftest-vsyscall-mode-none/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest-vsyscall-mode-native/net_traceroute.sh * kselftest-vsyscall-mode-none/net_traceroute.sh * kselftest-vsyscall-mode-none/net_udpgro_bench.sh * kselftest/net_udpgro_bench.sh * kselftest-vsyscall-mode-native/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest-vsyscall-mode-none/net_udpgro.sh * kselftest-vsyscall-mode-native/net_udpgro.sh * kselftest-vsyscall-mode-native/net_udpgso_bench.sh * kselftest-vsyscall-mode-none/net_udpgso_bench.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest-vsyscall-mode-none/net_xfrm_policy.sh * kselftest-vsyscall-mode-native/net_xfrm_policy.sh * kselftest-vsyscall-mode-native/openat2_openat2_test * kselftest/openat2_openat2_test * kselftest-vsyscall-mode-none/openat2_openat2_test * kselftest-vsyscall-mode-native/openat2_rename_attack_test * kselftest-vsyscall-mode-none/openat2_rename_attack_test * kselftest/openat2_rename_attack_test * kselftest-vsyscall-mode-native/openat2_resolve_test * kselftest/openat2_resolve_test * kselftest-vsyscall-mode-none/openat2_resolve_test * kselftest-vsyscall-mode-native/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_open_test * kselftest-vsyscall-mode-none/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest-vsyscall-mode-none/pidfd_pidfd_poll_test * kselftest-vsyscall-mode-native/pidfd_pidfd_poll_test * kselftest-vsyscall-mode-native/pstore_pstore_tests * kselftest-vsyscall-mode-none/pstore_pstore_tests * kselftest/pstore_pstore_tests * kselftest-vsyscall-mode-none/rtc_rtctest * kselftest-vsyscall-mode-native/rtc_rtctest * kselftest-vsyscall-mode-none/seccomp_seccomp_benchmark * kselftest/seccomp_seccomp_benchmark * kselftest-vsyscall-mode-native/seccomp_seccomp_benchmark * kselftest-vsyscall-mode-none/seccomp_seccomp_bpf * kselftest/seccomp_seccomp_bpf * kselftest-vsyscall-mode-native/seccomp_seccomp_bpf * kselftest-vsyscall-mode-none/timers_inconsistency-check * kselftest/timers_inconsistency-check * kselftest-vsyscall-mode-native/timers_inconsistency-check * kselftest-vsyscall-mode-native/timers_nsleep-lat * kselftest/timers_nsleep-lat * kselftest-vsyscall-mode-none/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest-vsyscall-mode-none/timers_raw_skew * kselftest-vsyscall-mode-native/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest-vsyscall-mode-native/timers_set-timer-lat * kselftest-vsyscall-mode-none/timers_set-timer-lat * kselftest-vsyscall-mode-native/networking/timestamping_txtimestamp.sh * kselftest-vsyscall-mode-none/networking/timestamping_txtimestamp.sh * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests * kselftest-vsyscall-mode-native/vm_run_vmtests * kselftest-vsyscall-mode-none/vm_run_vmtests qemu_arm: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cgroup_test_freezer * kselftest/clone3_clone3_clear_sighand * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_reuseport_bpf_numa * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/seccomp_seccomp_benchmark * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_rtcpie * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/clone3_clone3_clear_sighand * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests x15: hi6220-hikey: qemu_arm64: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lpm_map * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_fdinfo_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/pstore_pstore_tests * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests dragonboard-410c: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lpm_map * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh Skips ------------------------------------------------------------------------ No skips -- Linaro LKFT https://lkft.linaro.org

5 years, 2 months

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0
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next-20200224 kselftest results

by ci_notify＠linaro.org

Summary ------------------------------------------------------------------------ kernel: 5.6.0-rc2 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: bdc5461b23ca293a2a83c851423aae0dd32a48c0 git describe: next-20200224 Test details: https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20200224 Regressions (compared to build next-20200221) ------------------------------------------------------------------------ i386: kselftest: * cgroup_test_freezer * net_fib-onlink-tests.sh Fixes (compared to build next-20200221) ------------------------------------------------------------------------ No fixes In total: ------------------------------------------------------------------------ Ran 2678 total tests in the following environments and test suites. pass 1120 fail 1228 xfail 0 skip 330 Environments -------------- - dragonboard-410c - arm64 - hi6220-hikey - arm64 - i386 - juno-r2 - arm64 - qemu_arm - qemu_arm64 - qemu_i386 - qemu_x86_64 - x15 - arm - x86_64 Test Suites ----------- * kselftest * kselftest/drivers * kselftest/filesystems * kselftest/net * kselftest/networking * kselftest-vsyscall-mode-native * kselftest-vsyscall-mode-native/drivers * kselftest-vsyscall-mode-native/filesystems * kselftest-vsyscall-mode-native/net * kselftest-vsyscall-mode-native/networking * kselftest-vsyscall-mode-none * kselftest-vsyscall-mode-none/drivers * kselftest-vsyscall-mode-none/filesystems * kselftest-vsyscall-mode-none/net * kselftest-vsyscall-mode-none/networking Failures ------------------------------------------------------------------------ x86: * kselftest-vsyscall-mode-none/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-none/bpf_test_dev_cgroup * kselftest-vsyscall-mode-none/bpf_test_flow_dissector.sh * kselftest-vsyscall-mode-none/bpf_test_lwt_ip_encap.sh * kselftest-vsyscall-mode-none/bpf_test_lwt_seg6local.sh * kselftest-vsyscall-mode-none/bpf_test_maps * kselftest-vsyscall-mode-none/bpf_test_netcnt * kselftest-vsyscall-mode-none/bpf_test_progs * kselftest-vsyscall-mode-none/bpf_test_progs-no_alu32 * kselftest-vsyscall-mode-none/bpf_test_skb_cgroup_id.sh * kselftest-vsyscall-mode-none/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-none/bpf_test_socket_cookie * kselftest-vsyscall-mode-none/bpf_test_sock_fields * kselftest-vsyscall-mode-none/bpf_test_sockmap * kselftest-vsyscall-mode-none/bpf_test_sysctl * kselftest-vsyscall-mode-none/bpf_test_tc_edt.sh * kselftest-vsyscall-mode-none/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-none/bpf_test_tcp_check_syncookie.sh * kselftest-vsyscall-mode-none/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-none/bpf_test_tc_tunnel.sh * kselftest-vsyscall-mode-none/bpf_test_tunnel.sh * kselftest-vsyscall-mode-none/bpf_test_xdping.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_redirect.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_vlan_mode_generic.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_vlan_mode_native.sh * kselftest-vsyscall-mode-none/firmware_fw_run_tests.sh * kselftest-vsyscall-mode-none/ftrace_ftracetest * kselftest-vsyscall-mode-none/intel_pstate_run.sh * kselftest-vsyscall-mode-none/kvm_clear_dirty_log_test * kselftest-vsyscall-mode-none/kvm_dirty_log_test * kselftest-vsyscall-mode-none/kvm_evmcs_test * kselftest-vsyscall-mode-none/kvm_hyperv_cpuid * kselftest-vsyscall-mode-none/kvm_kvm_create_max_vcpus * kselftest-vsyscall-mode-none/kvm_platform_info_test * kselftest-vsyscall-mode-none/kvm_set_sregs_test * kselftest-vsyscall-mode-none/kvm_smm_test * kselftest-vsyscall-mode-none/kvm_state_test * kselftest-vsyscall-mode-none/kvm_sync_regs_test * kselftest-vsyscall-mode-none/kvm_vmx_close_while_nested_test * kselftest-vsyscall-mode-none/kvm_vmx_dirty_log_test * kselftest-vsyscall-mode-none/kvm_vmx_set_nested_state_test * kselftest-vsyscall-mode-none/kvm_xss_msr_test * kselftest-vsyscall-mode-none/lkdtm_ACCESS_NULL.sh * kselftest-vsyscall-mode-none/lkdtm_ACCESS_USERSPACE.sh * kselftest-vsyscall-mode-none/lkdtm_BUG.sh * kselftest-vsyscall-mode-none/lkdtm_CFI_FORWARD_PROTO.sh * kselftest-vsyscall-mode-none/lkdtm_CORRUPT_LIST_ADD.sh * kselftest-vsyscall-mode-none/lkdtm_CORRUPT_LIST_DEL.sh * kselftest-vsyscall-mode-none/lkdtm_CORRUPT_USER_DS.sh * kselftest-vsyscall-mode-none/lkdtm_EXCEPTION.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_DATA.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_KMALLOC.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_NULL.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_RODATA.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_STACK.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_USERSPACE.sh * kselftest-vsyscall-mode-none/lkdtm_EXEC_VMALLOC.sh * kselftest-vsyscall-mode-none/lkdtm_READ_AFTER_FREE.sh * kselftest-vsyscall-mode-none/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-none/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-none/lkdtm_SLAB_FREE_CROSS.sh * kselftest-vsyscall-mode-none/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest-vsyscall-mode-none/lkdtm_SLAB_FREE_PAGE.sh * kselftest-vsyscall-mode-none/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest-vsyscall-mode-none/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest-vsyscall-mode-none/lkdtm_STACKLEAK_ERASING.sh * kselftest-vsyscall-mode-none/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest-vsyscall-mode-none/lkdtm_UNSET_SMEP.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_KERNEL.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest-vsyscall-mode-none/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest-vsyscall-mode-none/lkdtm_WARNING_MESSAGE.sh * kselftest-vsyscall-mode-none/lkdtm_WARNING.sh * kselftest-vsyscall-mode-none/lkdtm_WRITE_KERN.sh * kselftest-vsyscall-mode-none/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest-vsyscall-mode-none/lkdtm_WRITE_RO.sh * kselftest-vsyscall-mode-none/mqueue_mq_perf_tests * kselftest-vsyscall-mode-none/net_fib_tests.sh * kselftest-vsyscall-mode-none/netfilter_nft_concat_range.sh * kselftest-vsyscall-mode-none/net_ip_defrag.sh * kselftest-vsyscall-mode-none/net_l2tp.sh * kselftest-vsyscall-mode-none/net_pmtu.sh * kselftest-vsyscall-mode-none/net_psock_snd.sh * kselftest-vsyscall-mode-none/net_test_vxlan_under_vrf.sh * kselftest-vsyscall-mode-none/net_traceroute.sh * kselftest-vsyscall-mode-none/net_udpgro_bench.sh * kselftest-vsyscall-mode-none/net_udpgro.sh * kselftest-vsyscall-mode-none/net_udpgso_bench.sh * kselftest-vsyscall-mode-none/net_xfrm_policy.sh * kselftest-vsyscall-mode-none/openat2_openat2_test * kselftest-vsyscall-mode-none/openat2_rename_attack_test * kselftest-vsyscall-mode-none/openat2_resolve_test * kselftest-vsyscall-mode-none/pidfd_pidfd_open_test * kselftest-vsyscall-mode-none/pidfd_pidfd_poll_test * kselftest-vsyscall-mode-none/pstore_pstore_tests * kselftest-vsyscall-mode-none/rtc_rtctest * kselftest-vsyscall-mode-none/seccomp_seccomp_benchmark * kselftest-vsyscall-mode-none/seccomp_seccomp_bpf * kselftest-vsyscall-mode-none/timers_inconsistency-check * kselftest-vsyscall-mode-none/timers_nsleep-lat * kselftest-vsyscall-mode-none/timers_raw_skew * kselftest-vsyscall-mode-none/timers_set-timer-lat * kselftest-vsyscall-mode-none/networking/timestamping_txtimestamp.sh * kselftest-vsyscall-mode-none/vm_run_vmtests * kselftest-vsyscall-mode-none/x86_fsgsbase_64 * kselftest/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-native/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-native/bpf_test_dev_cgroup * kselftest/bpf_test_dev_cgroup * kselftest-vsyscall-mode-native/bpf_test_flow_dissector.sh * kselftest/bpf_test_flow_dissector.sh * kselftest-vsyscall-mode-native/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest-vsyscall-mode-native/bpf_test_lwt_seg6local.sh * kselftest-vsyscall-mode-native/bpf_test_maps * kselftest/bpf_test_maps * kselftest-vsyscall-mode-native/bpf_test_netcnt * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest-vsyscall-mode-native/bpf_test_progs * kselftest-vsyscall-mode-native/bpf_test_progs-no_alu32 * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest-vsyscall-mode-native/bpf_test_skb_cgroup_id.sh * kselftest-vsyscall-mode-native/bpf_test_sock_addr.sh * kselftest/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-native/bpf_test_socket_cookie * kselftest/bpf_test_socket_cookie * kselftest-vsyscall-mode-native/bpf_test_sock_fields * kselftest/bpf_test_sock_fields * kselftest-vsyscall-mode-native/bpf_test_sockmap * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest-vsyscall-mode-native/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest-vsyscall-mode-native/bpf_test_tc_edt.sh * kselftest-vsyscall-mode-native/bpf_test_tcpbpf_user * kselftest/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-native/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest-vsyscall-mode-native/bpf_test_tunnel.sh * kselftest-vsyscall-mode-native/bpf_test_xdping.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_vlan_mode_native.sh * kselftest/firmware_fw_run_tests.sh * kselftest-vsyscall-mode-native/firmware_fw_run_tests.sh * kselftest-vsyscall-mode-native/ftrace_ftracetest * kselftest/ftrace_ftracetest * kselftest-vsyscall-mode-native/intel_pstate_run.sh * kselftest/intel_pstate_run.sh * kselftest-vsyscall-mode-native/kvm_clear_dirty_log_test * kselftest/kvm_clear_dirty_log_test * kselftest-vsyscall-mode-native/kvm_cr4_cpuid_sync_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest-vsyscall-mode-native/kvm_dirty_log_test * kselftest/kvm_dirty_log_test * kselftest-vsyscall-mode-native/kvm_evmcs_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest-vsyscall-mode-native/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest-vsyscall-mode-native/kvm_kvm_create_max_vcpus * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest-vsyscall-mode-native/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest-vsyscall-mode-native/kvm_smm_test * kselftest-vsyscall-mode-native/kvm_state_test * kselftest/kvm_state_test * kselftest/kvm_sync_regs_test * kselftest-vsyscall-mode-native/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest-vsyscall-mode-native/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest-vsyscall-mode-native/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_set_nested_state_test * kselftest-vsyscall-mode-native/kvm_vmx_tsc_adjust_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest-vsyscall-mode-native/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest-vsyscall-mode-native/lkdtm_ACCESS_NULL.sh * kselftest-vsyscall-mode-native/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest-vsyscall-mode-native/lkdtm_BUG.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest-vsyscall-mode-native/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest-vsyscall-mode-native/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest-vsyscall-mode-native/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest-vsyscall-mode-native/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest-vsyscall-mode-native/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest-vsyscall-mode-native/lkdtm_EXEC_VMALLOC.sh * kselftest-vsyscall-mode-native/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest-vsyscall-mode-native/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest-vsyscall-mode-native/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest-vsyscall-mode-native/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest-vsyscall-mode-native/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest-vsyscall-mode-native/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest-vsyscall-mode-native/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest-vsyscall-mode-native/lkdtm_STACKLEAK_ERASING.sh * kselftest-vsyscall-mode-native/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest-vsyscall-mode-native/lkdtm_UNSET_SMEP.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest-vsyscall-mode-native/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest-vsyscall-mode-native/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest-vsyscall-mode-native/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest-vsyscall-mode-native/lkdtm_WRITE_KERN.sh * kselftest-vsyscall-mode-native/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest-vsyscall-mode-native/lkdtm_WRITE_RO.sh * kselftest-vsyscall-mode-native/mqueue_mq_perf_tests * kselftest/mqueue_mq_perf_tests * kselftest-vsyscall-mode-native/net_fib_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest-vsyscall-mode-native/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest-vsyscall-mode-native/net_ip_defrag.sh * kselftest-vsyscall-mode-native/net_l2tp.sh * kselftest/net_l2tp.sh * kselftest-vsyscall-mode-native/net_pmtu.sh * kselftest/net_pmtu.sh * kselftest-vsyscall-mode-native/net_psock_snd.sh * kselftest/net_psock_snd.sh * kselftest-vsyscall-mode-native/net_run_netsocktests * kselftest-vsyscall-mode-native/net_test_vxlan_under_vrf.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest-vsyscall-mode-native/net_traceroute.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest-vsyscall-mode-native/net_udpgro_bench.sh * kselftest-vsyscall-mode-native/net_udpgro.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest-vsyscall-mode-native/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest-vsyscall-mode-native/net_xfrm_policy.sh * kselftest-vsyscall-mode-native/openat2_openat2_test * kselftest/openat2_openat2_test * kselftest-vsyscall-mode-native/openat2_rename_attack_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest-vsyscall-mode-native/openat2_resolve_test * kselftest-vsyscall-mode-native/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_open_test * kselftest-vsyscall-mode-native/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_poll_test * kselftest-vsyscall-mode-native/pstore_pstore_tests * kselftest/pstore_pstore_tests * kselftest-vsyscall-mode-native/rtc_rtctest * kselftest/seccomp_seccomp_benchmark * kselftest-vsyscall-mode-native/seccomp_seccomp_benchmark * kselftest-vsyscall-mode-native/seccomp_seccomp_bpf * kselftest/seccomp_seccomp_bpf * kselftest-vsyscall-mode-native/timers_inconsistency-check * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest-vsyscall-mode-native/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest-vsyscall-mode-native/timers_raw_skew * kselftest-vsyscall-mode-native/timers_set-timer-lat * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest-vsyscall-mode-native/networking/timestamping_txtimestamp.sh * kselftest-vsyscall-mode-native/vm_run_vmtests * kselftest/vm_run_vmtests x15: qemu_i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/clone3_clone3_clear_sighand * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_arm: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cgroup_test_freezer * kselftest/clone3_clone3_clear_sighand * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_reuseport_bpf_numa * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_x86_64: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests * kselftest/x86_fsgsbase_64 i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cgroup_test_freezer * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/intel_pstate_run.sh * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests juno-r2: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_fdinfo_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests dragonboard-410c: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lpm_map * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh hi6220-hikey: qemu_arm64: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lpm_map * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_fdinfo_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/pstore_pstore_tests * kselftest/seccomp_seccomp_benchmark * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests Skips ------------------------------------------------------------------------ No skips -- Linaro LKFT https://lkft.linaro.org

5 years, 2 months

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[PATCH v27 20/22] selftests/x86: Add vDSO selftest for SGX

by Jarkko Sakkinen

Expand the selftest by invoking the enclave by using __vdso_sgx_enter_enclave() in addition to direct ENCLS[EENTER]. Cc: linux-kselftest(a)vger.kernel.org Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com> --- tools/testing/selftests/x86/sgx/main.c | 132 +++++++++++++++++++++ tools/testing/selftests/x86/sgx/sgx_call.S | 43 +++++++ tools/testing/selftests/x86/sgx/sgx_call.h | 3 + 3 files changed, 178 insertions(+) diff --git a/tools/testing/selftests/x86/sgx/main.c b/tools/testing/selftests/x86/sgx/main.c index 48ed5fdfb3cb..d97cc3cf0093 100644 --- a/tools/testing/selftests/x86/sgx/main.c +++ b/tools/testing/selftests/x86/sgx/main.c @@ -21,6 +21,109 @@ #define PAGE_SIZE 4096 static const uint64_t MAGIC = 0x1122334455667788ULL; +void *eenter; + +struct vdso_symtab { + Elf64_Sym *elf_symtab; + const char *elf_symstrtab; + Elf64_Word *elf_hashtab; +}; + +static void *vdso_get_base_addr(char *envp[]) +{ + Elf64_auxv_t *auxv; + int i; + + for (i = 0; envp[i]; i++) + ; + + auxv = (Elf64_auxv_t *)&envp[i + 1]; + + for (i = 0; auxv[i].a_type != AT_NULL; i++) { + if (auxv[i].a_type == AT_SYSINFO_EHDR) + return (void *)auxv[i].a_un.a_val; + } + + return NULL; +} + +static Elf64_Dyn *vdso_get_dyntab(void *addr) +{ + Elf64_Ehdr *ehdr = addr; + Elf64_Phdr *phdrtab = addr + ehdr->e_phoff; + int i; + + for (i = 0; i < ehdr->e_phnum; i++) + if (phdrtab[i].p_type == PT_DYNAMIC) + return addr + phdrtab[i].p_offset; + + return NULL; +} + +static void *vdso_get_dyn(void *addr, Elf64_Dyn *dyntab, Elf64_Sxword tag) +{ + int i; + + for (i = 0; dyntab[i].d_tag != DT_NULL; i++) + if (dyntab[i].d_tag == tag) + return addr + dyntab[i].d_un.d_ptr; + + return NULL; +} + +static bool vdso_get_symtab(void *addr, struct vdso_symtab *symtab) +{ + Elf64_Dyn *dyntab = vdso_get_dyntab(addr); + + symtab->elf_symtab = vdso_get_dyn(addr, dyntab, DT_SYMTAB); + if (!symtab->elf_symtab) + return false; + + symtab->elf_symstrtab = vdso_get_dyn(addr, dyntab, DT_STRTAB); + if (!symtab->elf_symstrtab) + return false; + + symtab->elf_hashtab = vdso_get_dyn(addr, dyntab, DT_HASH); + if (!symtab->elf_hashtab) + return false; + + return true; +} + +static unsigned long elf_sym_hash(const char *name) +{ + unsigned long h = 0, high; + + while (*name) { + h = (h << 4) + *name++; + high = h & 0xf0000000; + + if (high) + h ^= high >> 24; + + h &= ~high; + } + + return h; +} + +static Elf64_Sym *vdso_symtab_get(struct vdso_symtab *symtab, const char *name) +{ + Elf64_Word bucketnum = symtab->elf_hashtab[0]; + Elf64_Word *buckettab = &symtab->elf_hashtab[2]; + Elf64_Word *chaintab = &symtab->elf_hashtab[2 + bucketnum]; + Elf64_Sym *sym; + Elf64_Word i; + + for (i = buckettab[elf_sym_hash(name) % bucketnum]; i != STN_UNDEF; + i = chaintab[i]) { + sym = &symtab->elf_symtab[i]; + if (!strcmp(name, &symtab->elf_symstrtab[sym->st_name])) + return sym; + } + + return NULL; +} static bool encl_create(int dev_fd, unsigned long bin_size, struct sgx_secs *secs) @@ -218,10 +321,14 @@ bool load_sigstruct(const char *path, void *sigstruct) int main(int argc, char *argv[], char *envp[]) { + struct sgx_enclave_exception exception; struct sgx_sigstruct sigstruct; + struct vdso_symtab symtab; + Elf64_Sym *eenter_sym; struct sgx_secs secs; uint64_t result = 0; off_t bin_size; + void *addr; void *bin; if (!encl_data_map("encl.bin", &bin, &bin_size)) @@ -243,5 +350,30 @@ int main(int argc, char *argv[], char *envp[]) printf("Output: 0x%lx\n", result); + memset(&exception, 0, sizeof(exception)); + + addr = vdso_get_base_addr(envp); + if (!addr) + exit(1); + + if (!vdso_get_symtab(addr, &symtab)) + exit(1); + + eenter_sym = vdso_symtab_get(&symtab, "__vdso_sgx_enter_enclave"); + if (!eenter_sym) + exit(1); + eenter = addr + eenter_sym->st_value; + + printf("Input: 0x%lx\n", MAGIC); + + sgx_call_vdso((void *)&MAGIC, &result, 0, NULL, NULL, NULL, + (void *)secs.base, &exception, NULL); + if (result != MAGIC) { + fprintf(stderr, "0x%lx != 0x%lx\n", result, MAGIC); + exit(1); + } + + printf("Output: 0x%lx\n", result); + exit(0); } diff --git a/tools/testing/selftests/x86/sgx/sgx_call.S b/tools/testing/selftests/x86/sgx/sgx_call.S index ca4c7893f9d9..e71f44f7a995 100644 --- a/tools/testing/selftests/x86/sgx/sgx_call.S +++ b/tools/testing/selftests/x86/sgx/sgx_call.S @@ -21,3 +21,46 @@ sgx_async_exit: ENCLU pop %rbx ret + + .global sgx_call_vdso +sgx_call_vdso: + .cfi_startproc + push %r15 + .cfi_adjust_cfa_offset 8 + .cfi_rel_offset %r15, 0 + push %r14 + .cfi_adjust_cfa_offset 8 + .cfi_rel_offset %r14, 0 + push %r13 + .cfi_adjust_cfa_offset 8 + .cfi_rel_offset %r13, 0 + push %r12 + .cfi_adjust_cfa_offset 8 + .cfi_rel_offset %r12, 0 + push %rbx + .cfi_adjust_cfa_offset 8 + .cfi_rel_offset %rbx, 0 + push $0 + .cfi_adjust_cfa_offset 8 + push 0x48(%rsp) + .cfi_adjust_cfa_offset 8 + push 0x48(%rsp) + .cfi_adjust_cfa_offset 8 + push 0x48(%rsp) + .cfi_adjust_cfa_offset 8 + mov $2, %eax + call *eenter(%rip) + add $0x20, %rsp + .cfi_adjust_cfa_offset -0x20 + pop %rbx + .cfi_adjust_cfa_offset -8 + pop %r12 + .cfi_adjust_cfa_offset -8 + pop %r13 + .cfi_adjust_cfa_offset -8 + pop %r14 + .cfi_adjust_cfa_offset -8 + pop %r15 + .cfi_adjust_cfa_offset -8 + ret + .cfi_endproc diff --git a/tools/testing/selftests/x86/sgx/sgx_call.h b/tools/testing/selftests/x86/sgx/sgx_call.h index bf72068ada23..a4072c5ecce7 100644 --- a/tools/testing/selftests/x86/sgx/sgx_call.h +++ b/tools/testing/selftests/x86/sgx/sgx_call.h @@ -8,4 +8,7 @@ void sgx_call_eenter(void *rdi, void *rsi, void *entry); +int sgx_call_vdso(void *rdi, void *rsi, long rdx, void *rcx, void *r8, void *r9, + void *tcs, struct sgx_enclave_exception *ei, void *cb); + #endif /* SGX_CALL_H */ -- 2.20.1

5 years, 2 months

1
0
0 0

[PATCH v27 12/22] selftests/x86: Add a selftest for SGX

by Jarkko Sakkinen

Add a selftest for SGX. It is a trivial test where a simple enclave copies one 64-bit word of memory between two memory locations given to the enclave as arguments. Use ENCLS[EENTER] to invoke the enclave. Cc: linux-sgx(a)vger.kernel.org Cc: linux-kselftest(a)vger.kernel.org Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen(a)linux.intel.com> --- tools/testing/selftests/x86/sgx/.gitignore | 3 + tools/testing/selftests/x86/sgx/Makefile | 48 ++ tools/testing/selftests/x86/sgx/defines.h | 17 + tools/testing/selftests/x86/sgx/encl.c | 20 + tools/testing/selftests/x86/sgx/encl.lds | 34 ++ .../selftests/x86/sgx/encl_bootstrap.S | 94 ++++ tools/testing/selftests/x86/sgx/main.c | 247 +++++++++ tools/testing/selftests/x86/sgx/sgx_call.S | 23 + tools/testing/selftests/x86/sgx/sgx_call.h | 11 + tools/testing/selftests/x86/sgx/sgxsign.c | 493 ++++++++++++++++++ .../testing/selftests/x86/sgx/signing_key.pem | 39 ++ 11 files changed, 1029 insertions(+) create mode 100644 tools/testing/selftests/x86/sgx/.gitignore create mode 100644 tools/testing/selftests/x86/sgx/Makefile create mode 100644 tools/testing/selftests/x86/sgx/defines.h create mode 100644 tools/testing/selftests/x86/sgx/encl.c create mode 100644 tools/testing/selftests/x86/sgx/encl.lds create mode 100644 tools/testing/selftests/x86/sgx/encl_bootstrap.S create mode 100644 tools/testing/selftests/x86/sgx/main.c create mode 100644 tools/testing/selftests/x86/sgx/sgx_call.S create mode 100644 tools/testing/selftests/x86/sgx/sgx_call.h create mode 100644 tools/testing/selftests/x86/sgx/sgxsign.c create mode 100644 tools/testing/selftests/x86/sgx/signing_key.pem diff --git a/tools/testing/selftests/x86/sgx/.gitignore b/tools/testing/selftests/x86/sgx/.gitignore new file mode 100644 index 000000000000..98eb2d439606 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/.gitignore @@ -0,0 +1,3 @@ +encl.ss +sgxsign +test_sgx diff --git a/tools/testing/selftests/x86/sgx/Makefile b/tools/testing/selftests/x86/sgx/Makefile new file mode 100644 index 000000000000..f838700029e2 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/Makefile @@ -0,0 +1,48 @@ +top_srcdir = ../../../../.. + +include ../../lib.mk + +ifndef OBJCOPY +OBJCOPY := $(CROSS_COMPILE)objcopy +endif + +INCLUDES := -I$(top_srcdir)/tools/include +HOST_CFLAGS := -Wall -Werror -g $(INCLUDES) -fPIC -z noexecstack +ENCL_CFLAGS := -Wall -Werror -static -nostdlib -nostartfiles -fPIC \ + -fno-stack-protector -mrdrnd $(INCLUDES) + +TEST_CUSTOM_PROGS := $(OUTPUT)/test_sgx $(OUTPUT)/encl.bin $(OUTPUT)/encl.ss + +all: $(TEST_CUSTOM_PROGS) + +$(OUTPUT)/test_sgx: $(OUTPUT)/main.o $(OUTPUT)/sgx_call.o + $(CC) $(HOST_CFLAGS) -o $@ $^ + +$(OUTPUT)/main.o: main.c + $(CC) $(HOST_CFLAGS) -c $< -o $@ + +$(OUTPUT)/sgx_call.o: sgx_call.S + $(CC) $(HOST_CFLAGS) -c $< -o $@ + +$(OUTPUT)/encl.bin: $(OUTPUT)/encl.elf $(OUTPUT)/sgxsign + $(OBJCOPY) -O binary $< $@ + +$(OUTPUT)/encl.elf: encl.lds encl.c encl_bootstrap.S + $(CC) $(ENCL_CFLAGS) -T $^ -o $@ + +$(OUTPUT)/encl.ss: $(OUTPUT)/encl.bin + $(OUTPUT)/sgxsign signing_key.pem $(OUTPUT)/encl.bin $(OUTPUT)/encl.ss + +$(OUTPUT)/sgxsign: sgxsign.c + $(CC) $(INCLUDES) -o $@ $< -lcrypto + +EXTRA_CLEAN := \ + $(OUTPUT)/encl.bin \ + $(OUTPUT)/encl.elf \ + $(OUTPUT)/encl.ss \ + $(OUTPUT)/sgx_call.o \ + $(OUTPUT)/sgxsign \ + $(OUTPUT)/test_sgx \ + $(OUTPUT)/test_sgx.o \ + +.PHONY: clean diff --git a/tools/testing/selftests/x86/sgx/defines.h b/tools/testing/selftests/x86/sgx/defines.h new file mode 100644 index 000000000000..87264f85cb9f --- /dev/null +++ b/tools/testing/selftests/x86/sgx/defines.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright(c) 2016-19 Intel Corporation. + */ + +#ifndef DEFINES_H +#define DEFINES_H + +#include <stdint.h> + +#define __aligned(x) __attribute__((__aligned__(x))) +#define __packed __attribute__((packed)) + +#include "../../../../../arch/x86/kernel/cpu/sgx/arch.h" +#include "../../../../../arch/x86/include/uapi/asm/sgx.h" + +#endif /* DEFINES_H */ diff --git a/tools/testing/selftests/x86/sgx/encl.c b/tools/testing/selftests/x86/sgx/encl.c new file mode 100644 index 000000000000..ede915399742 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/encl.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +// Copyright(c) 2016-18 Intel Corporation. + +#include <stddef.h> +#include "defines.h" + +static void *memcpy(void *dest, const void *src, size_t n) +{ + size_t i; + + for (i = 0; i < n; i++) + ((char *)dest)[i] = ((char *)src)[i]; + + return dest; +} + +void encl_body(void *rdi, void *rsi) +{ + memcpy(rsi, rdi, 8); +} diff --git a/tools/testing/selftests/x86/sgx/encl.lds b/tools/testing/selftests/x86/sgx/encl.lds new file mode 100644 index 000000000000..9a56d3064104 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/encl.lds @@ -0,0 +1,34 @@ +OUTPUT_FORMAT(elf64-x86-64) + +SECTIONS +{ + . = 0; + .tcs : { + *(.tcs*) + } + + . = ALIGN(4096); + .text : { + *(.text*) + *(.rodata*) + } + + . = ALIGN(4096); + .data : { + *(.data*) + } + + /DISCARD/ : { + *(.data*) + *(.comment*) + *(.note*) + *(.debug*) + *(.eh_frame*) + } +} + +ASSERT(!DEFINED(.altinstructions), "ALTERNATIVES are not supported in enclaves") +ASSERT(!DEFINED(.altinstr_replacement), "ALTERNATIVES are not supported in enclaves") +ASSERT(!DEFINED(.discard.retpoline_safe), "RETPOLINE ALTERNATIVES are not supported in enclaves") +ASSERT(!DEFINED(.discard.nospec), "RETPOLINE ALTERNATIVES are not supported in enclaves") +ASSERT(!DEFINED(.got.plt), "Libcalls are not supported in enclaves") diff --git a/tools/testing/selftests/x86/sgx/encl_bootstrap.S b/tools/testing/selftests/x86/sgx/encl_bootstrap.S new file mode 100644 index 000000000000..d07f970ccdf9 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/encl_bootstrap.S @@ -0,0 +1,94 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ +/* + * Copyright(c) 2016-18 Intel Corporation. + */ + + .macro ENCLU + .byte 0x0f, 0x01, 0xd7 + .endm + + .section ".tcs", "a" + .balign 4096 + + .fill 1, 8, 0 # STATE (set by CPU) + .fill 1, 8, 0 # FLAGS + .quad encl_ssa # OSSA + .fill 1, 4, 0 # CSSA (set by CPU) + .fill 1, 4, 1 # NSSA + .quad encl_entry # OENTRY + .fill 1, 8, 0 # AEP (set by EENTER and ERESUME) + .fill 1, 8, 0 # OFSBASE + .fill 1, 8, 0 # OGSBASE + .fill 1, 4, 0xFFFFFFFF # FSLIMIT + .fill 1, 4, 0xFFFFFFFF # GSLIMIT + .fill 4024, 1, 0 # Reserved + + .text + +encl_entry: + # RBX contains the base address for TCS, which is also the first address + # inside the enclave. By adding the value of le_stack_end to it, we get + # the absolute address for the stack. + lea (encl_stack)(%rbx), %rax + xchg %rsp, %rax + push %rax + + push %rcx # push the address after EENTER + push %rbx # push the enclave base address + + call encl_body + + pop %rbx # pop the enclave base address + + # Restore XSAVE registers to a synthetic state. + mov $0xFFFFFFFF, %rax + mov $0xFFFFFFFF, %rdx + lea (xsave_area)(%rbx), %rdi + fxrstor (%rdi) + + # Clear GPRs. + xor %rcx, %rcx + xor %rdx, %rdx + xor %rdi, %rdi + xor %rsi, %rsi + xor %r8, %r8 + xor %r9, %r9 + xor %r10, %r10 + xor %r11, %r11 + xor %r12, %r12 + xor %r13, %r13 + xor %r14, %r14 + xor %r15, %r15 + + # Reset status flags. + add %rdx, %rdx # OF = SF = AF = CF = 0; ZF = PF = 1 + + # Prepare EEXIT target by popping the address of the instruction after + # EENTER to RBX. + pop %rbx + + # Restore the caller stack. + pop %rax + mov %rax, %rsp + + # EEXIT + mov $4, %rax + enclu + + .section ".data", "aw" + +encl_ssa: + .space 4096 + +xsave_area: + .fill 1, 4, 0x037F # FCW + .fill 5, 4, 0 + .fill 1, 4, 0x1F80 # MXCSR + .fill 1, 4, 0xFFFF # MXCSR_MASK + .fill 123, 4, 0 + .fill 1, 4, 0x80000000 # XCOMP_BV[63] = 1, compaction mode + .fill 12, 4, 0 + + .balign 4096 + .space 8192 +encl_stack: diff --git a/tools/testing/selftests/x86/sgx/main.c b/tools/testing/selftests/x86/sgx/main.c new file mode 100644 index 000000000000..48ed5fdfb3cb --- /dev/null +++ b/tools/testing/selftests/x86/sgx/main.c @@ -0,0 +1,247 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +// Copyright(c) 2016-18 Intel Corporation. + +#include <elf.h> +#include <errno.h> +#include <fcntl.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/types.h> +#include "defines.h" +#include "sgx_call.h" + +#define PAGE_SIZE 4096 + +static const uint64_t MAGIC = 0x1122334455667788ULL; + +static bool encl_create(int dev_fd, unsigned long bin_size, + struct sgx_secs *secs) +{ + struct sgx_enclave_create ioc; + void *area; + int rc; + + memset(secs, 0, sizeof(*secs)); + secs->ssa_frame_size = 1; + secs->attributes = SGX_ATTR_MODE64BIT; + secs->xfrm = 3; + + for (secs->size = 4096; secs->size < bin_size; ) + secs->size <<= 1; + + area = mmap(NULL, secs->size * 2, PROT_NONE, MAP_SHARED, dev_fd, 0); + if (area == MAP_FAILED) { + perror("mmap"); + return false; + } + + secs->base = ((uint64_t)area + secs->size - 1) & ~(secs->size - 1); + + munmap(area, secs->base - (uint64_t)area); + munmap((void *)(secs->base + secs->size), + (uint64_t)area + secs->size - secs->base); + + ioc.src = (unsigned long)secs; + rc = ioctl(dev_fd, SGX_IOC_ENCLAVE_CREATE, &ioc); + if (rc) { + fprintf(stderr, "ECREATE failed rc=%d, err=%d.\n", rc, errno); + munmap((void *)secs->base, secs->size); + return false; + } + + return true; +} + +static bool encl_add_pages(int dev_fd, unsigned long offset, void *data, + unsigned long length, uint64_t flags) +{ + struct sgx_enclave_add_pages ioc; + struct sgx_secinfo secinfo; + int rc; + + memset(&secinfo, 0, sizeof(secinfo)); + secinfo.flags = flags; + + ioc.src = (uint64_t)data; + ioc.offset = offset; + ioc.length = length; + ioc.secinfo = (unsigned long)&secinfo; + ioc.flags = SGX_PAGE_MEASURE; + + rc = ioctl(dev_fd, SGX_IOC_ENCLAVE_ADD_PAGES, &ioc); + if (rc) { + fprintf(stderr, "EADD failed rc=%d.\n", rc); + return false; + } + + if (ioc.count != ioc.length) { + fprintf(stderr, "Partially processed, update the test.\n"); + return false; + } + + return true; +} + +#define SGX_REG_PAGE_FLAGS \ + (SGX_SECINFO_REG | SGX_SECINFO_R | SGX_SECINFO_W | SGX_SECINFO_X) + +static bool encl_build(struct sgx_secs *secs, void *bin, + unsigned long bin_size, struct sgx_sigstruct *sigstruct) +{ + struct sgx_enclave_init ioc; + void *addr; + int dev_fd; + int rc; + + dev_fd = open("/dev/sgx/enclave", O_RDWR); + if (dev_fd < 0) { + fprintf(stderr, "Unable to open /dev/sgx\n"); + return false; + } + + if (!encl_create(dev_fd, bin_size, secs)) + goto out_dev_fd; + + if (!encl_add_pages(dev_fd, 0, bin, PAGE_SIZE, SGX_SECINFO_TCS)) + goto out_dev_fd; + + if (!encl_add_pages(dev_fd, PAGE_SIZE, bin + PAGE_SIZE, + bin_size - PAGE_SIZE, SGX_REG_PAGE_FLAGS)) + goto out_dev_fd; + + ioc.sigstruct = (uint64_t)sigstruct; + rc = ioctl(dev_fd, SGX_IOC_ENCLAVE_INIT, &ioc); + if (rc) { + printf("EINIT failed rc=%d\n", rc); + goto out_map; + } + + addr = mmap((void *)secs->base, PAGE_SIZE, PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_FIXED, dev_fd, 0); + if (addr == MAP_FAILED) { + fprintf(stderr, "mmap() failed on TCS, errno=%d.\n", errno); + return false; + } + + addr = mmap((void *)(secs->base + PAGE_SIZE), bin_size - PAGE_SIZE, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_SHARED | MAP_FIXED, dev_fd, 0); + if (addr == MAP_FAILED) { + fprintf(stderr, "mmap() failed, errno=%d.\n", errno); + return false; + } + + close(dev_fd); + return true; +out_map: + munmap((void *)secs->base, secs->size); +out_dev_fd: + close(dev_fd); + return false; +} + +bool get_file_size(const char *path, off_t *bin_size) +{ + struct stat sb; + int ret; + + ret = stat(path, &sb); + if (ret) { + perror("stat"); + return false; + } + + if (!sb.st_size || sb.st_size & 0xfff) { + fprintf(stderr, "Invalid blob size %lu\n", sb.st_size); + return false; + } + + *bin_size = sb.st_size; + return true; +} + +bool encl_data_map(const char *path, void **bin, off_t *bin_size) +{ + int fd; + + fd = open(path, O_RDONLY); + if (fd == -1) { + fprintf(stderr, "open() %s failed, errno=%d.\n", path, errno); + return false; + } + + if (!get_file_size(path, bin_size)) + goto err_out; + + *bin = mmap(NULL, *bin_size, PROT_READ, MAP_PRIVATE, fd, 0); + if (*bin == MAP_FAILED) { + fprintf(stderr, "mmap() %s failed, errno=%d.\n", path, errno); + goto err_out; + } + + close(fd); + return true; + +err_out: + close(fd); + return false; +} + +bool load_sigstruct(const char *path, void *sigstruct) +{ + int fd; + + fd = open(path, O_RDONLY); + if (fd == -1) { + fprintf(stderr, "open() %s failed, errno=%d.\n", path, errno); + return false; + } + + if (read(fd, sigstruct, sizeof(struct sgx_sigstruct)) != + sizeof(struct sgx_sigstruct)) { + fprintf(stderr, "read() %s failed, errno=%d.\n", path, errno); + close(fd); + return false; + } + + close(fd); + return true; +} + +int main(int argc, char *argv[], char *envp[]) +{ + struct sgx_sigstruct sigstruct; + struct sgx_secs secs; + uint64_t result = 0; + off_t bin_size; + void *bin; + + if (!encl_data_map("encl.bin", &bin, &bin_size)) + exit(1); + + if (!load_sigstruct("encl.ss", &sigstruct)) + exit(1); + + if (!encl_build(&secs, bin, bin_size, &sigstruct)) + exit(1); + + printf("Input: 0x%lx\n", MAGIC); + + sgx_call_eenter((void *)&MAGIC, &result, (void *)secs.base); + if (result != MAGIC) { + fprintf(stderr, "0x%lx != 0x%lx\n", result, MAGIC); + exit(1); + } + + printf("Output: 0x%lx\n", result); + + exit(0); +} diff --git a/tools/testing/selftests/x86/sgx/sgx_call.S b/tools/testing/selftests/x86/sgx/sgx_call.S new file mode 100644 index 000000000000..ca4c7893f9d9 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/sgx_call.S @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */ +/** +* Copyright(c) 2016-18 Intel Corporation. +*/ + + .text + + .macro ENCLU + .byte 0x0f, 0x01, 0xd7 + .endm + + .text + + .global sgx_call_eenter +sgx_call_eenter: + push %rbx + mov $0x02, %rax + mov %rdx, %rbx + lea sgx_async_exit(%rip), %rcx +sgx_async_exit: + ENCLU + pop %rbx + ret diff --git a/tools/testing/selftests/x86/sgx/sgx_call.h b/tools/testing/selftests/x86/sgx/sgx_call.h new file mode 100644 index 000000000000..bf72068ada23 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/sgx_call.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright(c) 2016-19 Intel Corporation. + */ + +#ifndef SGX_CALL_H +#define SGX_CALL_H + +void sgx_call_eenter(void *rdi, void *rsi, void *entry); + +#endif /* SGX_CALL_H */ diff --git a/tools/testing/selftests/x86/sgx/sgxsign.c b/tools/testing/selftests/x86/sgx/sgxsign.c new file mode 100644 index 000000000000..3d9007af40c9 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/sgxsign.c @@ -0,0 +1,493 @@ +// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) +// Copyright(c) 2016-18 Intel Corporation. + +#define _GNU_SOURCE +#include <getopt.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <unistd.h> +#include <openssl/err.h> +#include <openssl/pem.h> +#include "defines.h" + +struct sgx_sigstruct_payload { + struct sgx_sigstruct_header header; + struct sgx_sigstruct_body body; +}; + +static bool check_crypto_errors(void) +{ + int err; + bool had_errors = false; + const char *filename; + int line; + char str[256]; + + for ( ; ; ) { + if (ERR_peek_error() == 0) + break; + + had_errors = true; + err = ERR_get_error_line(&filename, &line); + ERR_error_string_n(err, str, sizeof(str)); + fprintf(stderr, "crypto: %s: %s:%d\n", str, filename, line); + } + + return had_errors; +} + +static void exit_usage(const char *program) +{ + fprintf(stderr, + "Usage: %s/sign-le <key> <enclave> <sigstruct>\n", program); + exit(1); +} + +static inline const BIGNUM *get_modulus(RSA *key) +{ +#if OPENSSL_VERSION_NUMBER < 0x10100000L + return key->n; +#else + const BIGNUM *n; + + RSA_get0_key(key, &n, NULL, NULL); + return n; +#endif +} + +static RSA *load_sign_key(const char *path) +{ + FILE *f; + RSA *key; + + f = fopen(path, "rb"); + if (!f) { + fprintf(stderr, "Unable to open %s\n", path); + return NULL; + } + key = RSA_new(); + if (!PEM_read_RSAPrivateKey(f, &key, NULL, NULL)) + return NULL; + fclose(f); + + if (BN_num_bytes(get_modulus(key)) != SGX_MODULUS_SIZE) { + fprintf(stderr, "Invalid key size %d\n", + BN_num_bytes(get_modulus(key))); + RSA_free(key); + return NULL; + } + + return key; +} + +static void reverse_bytes(void *data, int length) +{ + int i = 0; + int j = length - 1; + uint8_t temp; + uint8_t *ptr = data; + + while (i < j) { + temp = ptr[i]; + ptr[i] = ptr[j]; + ptr[j] = temp; + i++; + j--; + } +} + +enum mrtags { + MRECREATE = 0x0045544145524345, + MREADD = 0x0000000044444145, + MREEXTEND = 0x00444E4554584545, +}; + +static bool mrenclave_update(EVP_MD_CTX *ctx, const void *data) +{ + if (!EVP_DigestUpdate(ctx, data, 64)) { + fprintf(stderr, "digest update failed\n"); + return false; + } + + return true; +} + +static bool mrenclave_commit(EVP_MD_CTX *ctx, uint8_t *mrenclave) +{ + unsigned int size; + + if (!EVP_DigestFinal_ex(ctx, (unsigned char *)mrenclave, &size)) { + fprintf(stderr, "digest commit failed\n"); + return false; + } + + if (size != 32) { + fprintf(stderr, "invalid digest size = %u\n", size); + return false; + } + + return true; +} + +struct mrecreate { + uint64_t tag; + uint32_t ssaframesize; + uint64_t size; + uint8_t reserved[44]; +} __attribute__((__packed__)); + + +static bool mrenclave_ecreate(EVP_MD_CTX *ctx, uint64_t blob_size) +{ + struct mrecreate mrecreate; + uint64_t encl_size; + + for (encl_size = 0x1000; encl_size < blob_size; ) + encl_size <<= 1; + + memset(&mrecreate, 0, sizeof(mrecreate)); + mrecreate.tag = MRECREATE; + mrecreate.ssaframesize = 1; + mrecreate.size = encl_size; + + if (!EVP_DigestInit_ex(ctx, EVP_sha256(), NULL)) + return false; + + return mrenclave_update(ctx, &mrecreate); +} + +struct mreadd { + uint64_t tag; + uint64_t offset; + uint64_t flags; /* SECINFO flags */ + uint8_t reserved[40]; +} __attribute__((__packed__)); + +static bool mrenclave_eadd(EVP_MD_CTX *ctx, uint64_t offset, uint64_t flags) +{ + struct mreadd mreadd; + + memset(&mreadd, 0, sizeof(mreadd)); + mreadd.tag = MREADD; + mreadd.offset = offset; + mreadd.flags = flags; + + return mrenclave_update(ctx, &mreadd); +} + +struct mreextend { + uint64_t tag; + uint64_t offset; + uint8_t reserved[48]; +} __attribute__((__packed__)); + +static bool mrenclave_eextend(EVP_MD_CTX *ctx, uint64_t offset, uint8_t *data) +{ + struct mreextend mreextend; + int i; + + for (i = 0; i < 0x1000; i += 0x100) { + memset(&mreextend, 0, sizeof(mreextend)); + mreextend.tag = MREEXTEND; + mreextend.offset = offset + i; + + if (!mrenclave_update(ctx, &mreextend)) + return false; + + if (!mrenclave_update(ctx, &data[i + 0x00])) + return false; + + if (!mrenclave_update(ctx, &data[i + 0x40])) + return false; + + if (!mrenclave_update(ctx, &data[i + 0x80])) + return false; + + if (!mrenclave_update(ctx, &data[i + 0xC0])) + return false; + } + + return true; +} + +/** + * measure_encl - measure enclave + * @path: path to the enclave + * @mrenclave: measurement + * + * Calculates MRENCLAVE. Assumes that the very first page is a TCS page and + * following pages are regular pages. Does not measure the contents of the + * enclave as the signing tool is used at the moment only for the launch + * enclave, which is pass-through (everything gets a token). + */ +static bool measure_encl(const char *path, uint8_t *mrenclave) +{ + FILE *file; + struct stat sb; + EVP_MD_CTX *ctx; + uint64_t flags; + uint64_t offset; + uint8_t data[0x1000]; + int rc; + + ctx = EVP_MD_CTX_create(); + if (!ctx) + return false; + + file = fopen(path, "rb"); + if (!file) { + perror("fopen"); + EVP_MD_CTX_destroy(ctx); + return false; + } + + rc = stat(path, &sb); + if (rc) { + perror("stat"); + goto out; + } + + if (!sb.st_size || sb.st_size & 0xfff) { + fprintf(stderr, "Invalid blob size %lu\n", sb.st_size); + goto out; + } + + if (!mrenclave_ecreate(ctx, sb.st_size)) + goto out; + + for (offset = 0; offset < sb.st_size; offset += 0x1000) { + if (!offset) + flags = SGX_SECINFO_TCS; + else + flags = SGX_SECINFO_REG | SGX_SECINFO_R | + SGX_SECINFO_W | SGX_SECINFO_X; + + if (!mrenclave_eadd(ctx, offset, flags)) + goto out; + + rc = fread(data, 1, 0x1000, file); + if (!rc) + break; + if (rc < 0x1000) + goto out; + + if (!mrenclave_eextend(ctx, offset, data)) + goto out; + } + + if (!mrenclave_commit(ctx, mrenclave)) + goto out; + + fclose(file); + EVP_MD_CTX_destroy(ctx); + return true; +out: + fclose(file); + EVP_MD_CTX_destroy(ctx); + return false; +} + +/** + * sign_encl - sign enclave + * @sigstruct: pointer to SIGSTRUCT + * @key: 3072-bit RSA key + * @signature: byte array for the signature + * + * Calculates EMSA-PKCSv1.5 signature for the given SIGSTRUCT. The result is + * stored in big-endian format so that it can be further passed to OpenSSL + * libcrypto functions. + */ +static bool sign_encl(const struct sgx_sigstruct *sigstruct, RSA *key, + uint8_t *signature) +{ + struct sgx_sigstruct_payload payload; + unsigned int siglen; + uint8_t digest[SHA256_DIGEST_LENGTH]; + bool ret; + + memcpy(&payload.header, &sigstruct->header, sizeof(sigstruct->header)); + memcpy(&payload.body, &sigstruct->body, sizeof(sigstruct->body)); + + SHA256((unsigned char *)&payload, sizeof(payload), digest); + + ret = RSA_sign(NID_sha256, digest, SHA256_DIGEST_LENGTH, signature, + &siglen, key); + + return ret; +} + +struct q1q2_ctx { + BN_CTX *bn_ctx; + BIGNUM *m; + BIGNUM *s; + BIGNUM *q1; + BIGNUM *qr; + BIGNUM *q2; +}; + +static void free_q1q2_ctx(struct q1q2_ctx *ctx) +{ + BN_CTX_free(ctx->bn_ctx); + BN_free(ctx->m); + BN_free(ctx->s); + BN_free(ctx->q1); + BN_free(ctx->qr); + BN_free(ctx->q2); +} + +static bool alloc_q1q2_ctx(const uint8_t *s, const uint8_t *m, + struct q1q2_ctx *ctx) +{ + ctx->bn_ctx = BN_CTX_new(); + ctx->s = BN_bin2bn(s, SGX_MODULUS_SIZE, NULL); + ctx->m = BN_bin2bn(m, SGX_MODULUS_SIZE, NULL); + ctx->q1 = BN_new(); + ctx->qr = BN_new(); + ctx->q2 = BN_new(); + + if (!ctx->bn_ctx || !ctx->s || !ctx->m || !ctx->q1 || !ctx->qr || + !ctx->q2) { + free_q1q2_ctx(ctx); + return false; + } + + return true; +} + +static bool calc_q1q2(const uint8_t *s, const uint8_t *m, uint8_t *q1, + uint8_t *q2) +{ + struct q1q2_ctx ctx; + + if (!alloc_q1q2_ctx(s, m, &ctx)) { + fprintf(stderr, "Not enough memory for Q1Q2 calculation\n"); + return false; + } + + if (!BN_mul(ctx.q1, ctx.s, ctx.s, ctx.bn_ctx)) + goto out; + + if (!BN_div(ctx.q1, ctx.qr, ctx.q1, ctx.m, ctx.bn_ctx)) + goto out; + + if (BN_num_bytes(ctx.q1) > SGX_MODULUS_SIZE) { + fprintf(stderr, "Too large Q1 %d bytes\n", + BN_num_bytes(ctx.q1)); + goto out; + } + + if (!BN_mul(ctx.q2, ctx.s, ctx.qr, ctx.bn_ctx)) + goto out; + + if (!BN_div(ctx.q2, NULL, ctx.q2, ctx.m, ctx.bn_ctx)) + goto out; + + if (BN_num_bytes(ctx.q2) > SGX_MODULUS_SIZE) { + fprintf(stderr, "Too large Q2 %d bytes\n", + BN_num_bytes(ctx.q2)); + goto out; + } + + BN_bn2bin(ctx.q1, q1); + BN_bn2bin(ctx.q2, q2); + + free_q1q2_ctx(&ctx); + return true; +out: + free_q1q2_ctx(&ctx); + return false; +} + +static bool save_sigstruct(const struct sgx_sigstruct *sigstruct, + const char *path) +{ + FILE *f = fopen(path, "wb"); + + if (!f) { + fprintf(stderr, "Unable to open %s\n", path); + return false; + } + + fwrite(sigstruct, sizeof(*sigstruct), 1, f); + fclose(f); + return true; +} + +int main(int argc, char **argv) +{ + uint64_t header1[2] = {0x000000E100000006, 0x0000000000010000}; + uint64_t header2[2] = {0x0000006000000101, 0x0000000100000060}; + struct sgx_sigstruct ss; + const char *program; + int opt; + RSA *sign_key; + + memset(&ss, 0, sizeof(ss)); + ss.header.header1[0] = header1[0]; + ss.header.header1[1] = header1[1]; + ss.header.header2[0] = header2[0]; + ss.header.header2[1] = header2[1]; + ss.exponent = 3; + +#ifndef CONFIG_EINITTOKENKEY + ss.body.attributes = SGX_ATTR_MODE64BIT; +#else + ss.body.attributes = SGX_ATTR_MODE64BIT | SGX_ATTR_EINITTOKENKEY; +#endif + ss.body.xfrm = 3, + + program = argv[0]; + + do { + opt = getopt(argc, argv, ""); + switch (opt) { + case -1: + break; + default: + exit_usage(program); + } + } while (opt != -1); + + argc -= optind; + argv += optind; + + if (argc < 3) + exit_usage(program); + + /* sanity check only */ + if (check_crypto_errors()) + exit(1); + + sign_key = load_sign_key(argv[0]); + if (!sign_key) + goto out; + + BN_bn2bin(get_modulus(sign_key), ss.modulus); + + if (!measure_encl(argv[1], ss.body.mrenclave)) + goto out; + + if (!sign_encl(&ss, sign_key, ss.signature)) + goto out; + + if (!calc_q1q2(ss.signature, ss.modulus, ss.q1, ss.q2)) + goto out; + + /* convert to little endian */ + reverse_bytes(ss.signature, SGX_MODULUS_SIZE); + reverse_bytes(ss.modulus, SGX_MODULUS_SIZE); + reverse_bytes(ss.q1, SGX_MODULUS_SIZE); + reverse_bytes(ss.q2, SGX_MODULUS_SIZE); + + if (!save_sigstruct(&ss, argv[2])) + goto out; + exit(0); +out: + check_crypto_errors(); + exit(1); +} diff --git a/tools/testing/selftests/x86/sgx/signing_key.pem b/tools/testing/selftests/x86/sgx/signing_key.pem new file mode 100644 index 000000000000..d76f21f19187 --- /dev/null +++ b/tools/testing/selftests/x86/sgx/signing_key.pem @@ -0,0 +1,39 @@ +-----BEGIN RSA PRIVATE KEY----- +MIIG4wIBAAKCAYEApalGbq7Q+usM91CPtksu3D+b0Prc8gAFL6grM3mg85A5Bx8V +cfMXPgtrw8EYFwQxDAvzZWwl+9VfOX0ECrFRBkOHcOiG0SnADN8+FLj1UiNUQwbp +S6OzhNWuRcSbGraSOyUlVlV0yMQSvewyzGklOaXBe30AJqzIBc8QfdSxKuP8rs0Z +ga6k/Bl73osrYKByILJTUUeZqjLERsE6GebsdzbWgKn8qVqng4ZS4yMNg6LeRlH3 ++9CIPgg4jwpSLHcp7dq2qTIB9a0tGe9ayp+5FbucpB6U7ePold0EeRN6RlJGDF9k +L93v8P5ykz5G5gYZ2g0K1X2sHIWV4huxPgv5PXgdyQYbK+6olqj0d5rjYuwX57Ul +k6SroPS1U6UbdCjG5txM+BNGU0VpD0ZhrIRw0leQdnNcCO9sTJuInZrgYacSVJ7u +mtB+uCt+uzUesc+l+xPRYA+9e14lLkZp7AAmo9FvL816XDI09deehJ3i/LmHKCRN +tuqC5TprRjFwUr6dAgEDAoIBgG5w2Z8fNfycs0+LCnmHdJLVEotR6KFVWMpwHMz7 +wKJgJgS/Y6FMuilc8oKAuroCy11dTO5IGVKOP3uorVx2NgQtBPXwWeDGgAiU1A3Q +o4wXjYIEm4fCd63jyYPYZ2ckYXzDbjmOTdstYdPyzIhGGNEZK6eoqsRzMAPfYFPj +IMdCqHSIu6vJw1K7p+myHOsVoWshjODaZnF3LYSA0WaZ8vokjwBxUxuRxQJZjJds +s60XPtmL+qfgWtQFewoG4XL6GuD8FcXccynRRtzrLtFNPIl9BQfWfjBBhTC1/Te1 +0Z6XbZvpdUTD9OfLB7SbR2OUFNpKQgriO0iYVdbW3cr7uu38Zwp4W1TX73DPjoi6 +KNooP6SGWd4mRJW2+dUmSYS4QNG8eVVZswKcploEIXlAKRsOe4kzJJ1iETugIe85 +uX8nd1WYEp65xwoRUg8hqng0MeyveVbXqNKuJG6tzNDt9kgFYo+hmC/oouAW2Dtc +T9jdRAwKJXqA2Eg6OkgXCEv+kwKBwQDYaQiFMlFhsmLlqI+EzCUh7c941/cL7m6U +7j98+8ngl0HgCEcrc10iJVCKakQW3YbPzAx3XkKTaGjWazvvrFarXIGlOud64B8a +iWyQ7VdlnmZnNEdk+C83tI91OQeaTKqRLDGzKh29Ry/jL8Pcbazt+kDgxa0H7qJp +roADUanLQuNkYubpbhFBh3xpa2EExaVq6rF7nIVsD8W9TrbmPKA4LgH7z0iy544D +kVCNYsTjYDdUWP+WiSor8kCnnpjnN9sCgcEAw/eNezUD1UDf6OYFC9+5JZJFn4Tg +mZMyN93JKIb199ffwnjtHUSjcyiWeesXucpzwtGbTcwQnDisSW4oneYKLSEBlBaq +scqiUugyGZZOthFSCbdXYXMViK2vHrKlkse7GxVlROKcEhM/pRBrmjaGO8eWR+D4 +FO2wCXzVs3KgV6j779frw0vC54oHOxc9+Lu1rSHp4i+600koyvL/zF6U/5tZXIvN +YW2yoiQJnjCmVA1pwbwV6KAUTPDTMnBK+YjnAoHBAJBGBa4hi5Z27JkbCliIGMFJ +NPs6pLKe9GNJf6in2+sPgUAFhMeiPhbDiwbxgrnpBIqICE+ULGJFmzmc0p/IOceT +ARjR76dAFLxbnbXzj5kURETNhO36yiUjCk4mBRGIcbYddndxaSjaH+zKgpLzyJ6m +1esuc1qfFvEfAAI2cTIsl5hB70ZJYNZaUvDyQK3ZGPHxy6e9rkgKg9OJz0QoatAe +q/002yHvtAJg4F5B2JeVejg7VQ8GHB1MKxppu0TP5wKBwQCCpQj8zgKOKz/wmViy +lSYZDC5qWJW7t3bP6TDFr06lOpUsUJ4TgxeiGw778g/RMaKB4RIz3WBoJcgw9BsT +7rFza1ZiucchMcGMmswRDt8kC4wGejpA92Owc8oUdxkMhSdnY5jYlxK2t3/DYEe8 +JFl9L7mFQKVjSSAGUzkiTGrlG1Kf5UfXh9dFBq98uilQfSPIwUaWynyM23CHTKqI +Pw3/vOY9sojrnncWwrEUIG7is5vWfWPwargzSzd29YdRBe8CgcEAuRVewK/YeNOX +B7ZG6gKKsfsvrGtY7FPETzLZAHjoVXYNea4LVZ2kn4hBXXlvw/4HD+YqcTt4wmif +5JQlDvjNobUiKJZpzy7hklVhF7wZFl4pCF7Yh43q9iQ7gKTaeUG7MiaK+G8Zz8aY +HW9rsiihbdZkccMvnPfO9334XMxl3HtBRzLstjUlbLB7Sdh+7tZ3JQidCOFNs5pE +XyWwnASPu4tKfDahH1UUTp1uJcq/6716CSWg080avYxFcn75qqsb +-----END RSA PRIVATE KEY----- -- 2.20.1

5 years, 2 months

1
0
0 0

[RFC PATCH] misc: bcm-vk: image_tab[] can be static

by kbuild test robot

Fixes: b6354450d21b ("misc: bcm-vk: add Broadcom VK driver") Signed-off-by: kbuild test robot <lkp(a)intel.com> --- bcm_vk_dev.c | 2 +- bcm_vk_msg.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/misc/bcm-vk/bcm_vk_dev.c b/drivers/misc/bcm-vk/bcm_vk_dev.c index d8f59e898ca8a..24cdab04c8703 100644 --- a/drivers/misc/bcm-vk/bcm_vk_dev.c +++ b/drivers/misc/bcm-vk/bcm_vk_dev.c @@ -31,7 +31,7 @@ enum soc_idx { }; #define NUM_BOOT_STAGES 2 -const struct load_image_tab image_tab[][NUM_BOOT_STAGES] = { +static const struct load_image_tab image_tab[][NUM_BOOT_STAGES] = { [VALKYRIE] = { {VK_IMAGE_TYPE_BOOT1, VK_BOOT1_DEF_VALKYRIE_FILENAME}, {VK_IMAGE_TYPE_BOOT2, VK_BOOT2_DEF_VALKYRIE_FILENAME} diff --git a/drivers/misc/bcm-vk/bcm_vk_msg.c b/drivers/misc/bcm-vk/bcm_vk_msg.c index 651fba2149e28..9247d4bc50288 100644 --- a/drivers/misc/bcm-vk/bcm_vk_msg.c +++ b/drivers/misc/bcm-vk/bcm_vk_msg.c @@ -99,8 +99,8 @@ static void bcm_vk_h2vk_verify_blk #define BCM_VK_QSTATS_ACC_CNT 20000 #endif -void bcm_vk_update_qstats(struct bcm_vk *vk, const char *tag, - struct bcm_vk_qstats *qstats, uint32_t occupancy) +static void bcm_vk_update_qstats(struct bcm_vk *vk, const char *tag, + struct bcm_vk_qstats *qstats, uint32_t occupancy) { struct bcm_vk_qs_cnts *qcnts = &qstats->qcnts; @@ -731,7 +731,7 @@ int bcm_vk_send_shutdown_msg(struct bcm_vk *vk, uint32_t shut_type, return rc; } -int bcm_vk_handle_last_sess(struct bcm_vk *vk, struct task_struct *ppid) +static int bcm_vk_handle_last_sess(struct bcm_vk *vk, struct task_struct *ppid) { int rc = 0; pid_t pid = task_pid_nr(ppid);

5 years, 2 months

1
0
0 0

Re: [PATCH v2 6/7] misc: bcm-vk: add Broadcom VK driver

by kbuild test robot

Hi Scott, I love your patch! Perhaps something to improve: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on kselftest/next linus/master v5.6-rc2] [cannot apply to driver-core/driver-core-testing next-20200221] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Scott-Branden/firmware-add-partial… base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 06e33595e96f212811066df192ae8bf802174296 reproduce: # apt-get install sparse # sparse version: v0.6.1-173-ge0787745-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com> sparse warnings: (new ones prefixed by >>) >> drivers/misc/bcm-vk/bcm_vk_dev.c:34:29: sparse: sparse: symbol 'image_tab' was not declared. Should it be static? >> drivers/misc/bcm-vk/bcm_vk_dev.c:185:15: sparse: sparse: incorrect type in assignment (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:185:15: sparse: expected struct bcm_vk_peer_log *p_ctl >> drivers/misc/bcm-vk/bcm_vk_dev.c:185:15: sparse: got void [noderef] <asn:2> * drivers/misc/bcm-vk/bcm_vk_dev.c:415:22: sparse: sparse: incorrect type in assignment (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:415:22: sparse: expected void *bufp drivers/misc/bcm-vk/bcm_vk_dev.c:415:22: sparse: got void [noderef] <asn:2> * >> drivers/misc/bcm-vk/bcm_vk_dev.c:654:36: sparse: sparse: incorrect type in argument 2 (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:654:36: sparse: expected void const [noderef] <asn:1> *from >> drivers/misc/bcm-vk/bcm_vk_dev.c:654:36: sparse: got struct vk_image *arg drivers/misc/bcm-vk/bcm_vk_dev.c:694:37: sparse: sparse: incorrect type in argument 2 (different address spaces) drivers/misc/bcm-vk/bcm_vk_dev.c:694:37: sparse: expected void const [noderef] <asn:1> *from >> drivers/misc/bcm-vk/bcm_vk_dev.c:694:37: sparse: got struct vk_access *arg drivers/misc/bcm-vk/bcm_vk_dev.c:717:31: sparse: sparse: incorrect type in argument 1 (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:717:31: sparse: expected void const volatile [noderef] <asn:1> * >> drivers/misc/bcm-vk/bcm_vk_dev.c:717:31: sparse: got unsigned int [usertype] * drivers/misc/bcm-vk/bcm_vk_dev.c:728:31: sparse: sparse: incorrect type in argument 1 (different address spaces) drivers/misc/bcm-vk/bcm_vk_dev.c:728:31: sparse: expected void const volatile [noderef] <asn:1> * drivers/misc/bcm-vk/bcm_vk_dev.c:728:31: sparse: got unsigned int [usertype] * drivers/misc/bcm-vk/bcm_vk_dev.c:793:36: sparse: sparse: incorrect type in argument 2 (different address spaces) drivers/misc/bcm-vk/bcm_vk_dev.c:793:36: sparse: expected void const [noderef] <asn:1> *from >> drivers/misc/bcm-vk/bcm_vk_dev.c:793:36: sparse: got struct vk_reset *arg drivers/misc/bcm-vk/bcm_vk_dev.c:873:45: sparse: sparse: incorrect type in argument 2 (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:873:45: sparse: expected struct vk_image *arg >> drivers/misc/bcm-vk/bcm_vk_dev.c:873:45: sparse: got void [noderef] <asn:1> *argp drivers/misc/bcm-vk/bcm_vk_dev.c:877:45: sparse: sparse: incorrect type in argument 2 (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:877:45: sparse: expected struct vk_access *arg drivers/misc/bcm-vk/bcm_vk_dev.c:877:45: sparse: got void [noderef] <asn:1> *argp drivers/misc/bcm-vk/bcm_vk_dev.c:881:40: sparse: sparse: incorrect type in argument 2 (different address spaces) >> drivers/misc/bcm-vk/bcm_vk_dev.c:881:40: sparse: expected struct vk_reset *arg drivers/misc/bcm-vk/bcm_vk_dev.c:881:40: sparse: got void [noderef] <asn:1> *argp -- >> drivers/misc/bcm-vk/bcm_vk_msg.c:102:6: sparse: sparse: symbol 'bcm_vk_update_qstats' was not declared. Should it be static? >> drivers/misc/bcm-vk/bcm_vk_msg.c:455:17: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/bcm-vk/bcm_vk_msg.c:656:15: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/bcm-vk/bcm_vk_msg.c:664:23: sparse: sparse: cast removes address space '<asn:2>' of expression >> drivers/misc/bcm-vk/bcm_vk_msg.c:734:5: sparse: sparse: symbol 'bcm_vk_handle_last_sess' was not declared. Should it be static? drivers/misc/bcm-vk/bcm_vk_msg.c:823:31: sparse: sparse: cast removes address space '<asn:2>' of expression drivers/misc/bcm-vk/bcm_vk_msg.c:851:47: sparse: sparse: cast removes address space '<asn:2>' of expression Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

5 years, 2 months

1
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0 0

next-20200221 kselftest results

by ci_notify＠linaro.org

Summary ------------------------------------------------------------------------ kernel: 5.6.0-rc2 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: bee46b309a13ca158c99c325d0408fb2f0db207f git describe: next-20200221 Test details: https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20200221 Regressions (compared to build next-20200220) ------------------------------------------------------------------------ No regressions Fixes (compared to build next-20200220) ------------------------------------------------------------------------ i386: kselftest: * net_fib-onlink-tests.sh * net_tcp_fastopen_backup_key.sh * pidfd_pidfd_test * rseq_basic_percpu_ops_test * rseq_run_param_test.sh * seccomp_seccomp_benchmark In total: ------------------------------------------------------------------------ Ran 369 total tests in the following environments and test suites. pass 162 fail 171 xfail 0 skip 36 Environments -------------- - dragonboard-410c - arm64 - hi6220-hikey - arm64 - i386 - juno-r2 - arm64 - qemu_arm - qemu_i386 - qemu_x86_64 - x15 - arm - x86_64 Test Suites ----------- * kselftest * kselftest/drivers * kselftest/filesystems * kselftest/net * kselftest/networking * kselftest-vsyscall-mode-native * kselftest-vsyscall-mode-none Failures ------------------------------------------------------------------------ x86: * kselftest-vsyscall-mode-none/bpf_test_dev_cgroup * kselftest-vsyscall-mode-none/bpf_test_maps * kselftest-vsyscall-mode-none/bpf_test_netcnt * kselftest-vsyscall-mode-none/bpf_test_progs * kselftest-vsyscall-mode-none/bpf_test_sock_fields * kselftest-vsyscall-mode-none/bpf_test_sockmap * kselftest-vsyscall-mode-none/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-none/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_get_cgroup_id_user * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest-vsyscall-mode-native/bpf_test_dev_cgroup * kselftest/bpf_test_maps * kselftest-vsyscall-mode-native/bpf_test_maps * kselftest-vsyscall-mode-native/bpf_test_netcnt * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest-vsyscall-mode-native/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest-vsyscall-mode-native/bpf_test_progs-no_alu32 * kselftest/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-native/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest-vsyscall-mode-native/bpf_test_socket_cookie * kselftest-vsyscall-mode-native/bpf_test_sock_fields * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest-vsyscall-mode-native/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest-vsyscall-mode-native/bpf_test_sysctl * kselftest/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-native/bpf_test_tcpbpf_user * kselftest/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_redirect.sh x15: i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/clone3_clone3_clear_sighand * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/intel_pstate_run.sh * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_i386: qemu_arm: qemu_x86_64: juno-r2: dragonboard-410c: hi6220-hikey: Skips ------------------------------------------------------------------------ No skips -- Linaro LKFT https://lkft.linaro.org

5 years, 2 months

1
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[PATCH 0/7] firmware: add partial read support in request_firmware_into_buf

by Scott Branden

This patch series adds partial read support in request_firmware_into_buf. In order to accept the enhanced API it has been requested that kernel selftests and upstreamed driver utilize the API enhancement and so are included in this patch series. Also, no tests existed for existing request_firmware_into_buf kernel API. Therefore tests have been created and submitted upstream here: "[PATCH v2 0/2] firmware: selftest for request_firmware_into_buf" https://lkml.org/lkml/2019/8/22/1367 The firmware selftests patches here require those patches to be applied first in order for the firmware selftest patches in this series to be valid. Finally, in this patch series is the addition of a new Broadcom Valkyrie driver utilizing the new request_firmware_into_buf enhanced API. Scott Branden (7): fs: introduce kernel_pread_file* support firmware: add offset to request_firmware_into_buf test_firmware: add partial read support for request_firmware_into_buf selftests: firmware: Test partial file reads of request_firmware_into_buf bcm-vk: add bcm_vk UAPI misc: bcm-vk: add Broadcom Valkyrie driver MAINTAINERS: bcm-vk: Add maintainer for Broadcom Valkyrie Driver MAINTAINERS | 7 + drivers/base/firmware_loader/firmware.h | 5 + drivers/base/firmware_loader/main.c | 49 +- drivers/misc/Kconfig | 1 + drivers/misc/Makefile | 1 + drivers/misc/bcm-vk/Kconfig | 16 + drivers/misc/bcm-vk/Makefile | 7 + drivers/misc/bcm-vk/README | 29 + drivers/misc/bcm-vk/bcm_vk.h | 229 +++ drivers/misc/bcm-vk/bcm_vk_dev.c | 1558 +++++++++++++++++ drivers/misc/bcm-vk/bcm_vk_msg.c | 963 ++++++++++ drivers/misc/bcm-vk/bcm_vk_msg.h | 169 ++ drivers/misc/bcm-vk/bcm_vk_sg.c | 273 +++ drivers/misc/bcm-vk/bcm_vk_sg.h | 60 + drivers/soc/qcom/mdt_loader.c | 7 +- fs/exec.c | 77 +- include/linux/firmware.h | 8 +- include/linux/fs.h | 15 + include/uapi/linux/misc/bcm_vk.h | 88 + lib/test_firmware.c | 139 +- .../selftests/firmware/fw_filesystem.sh | 80 + 21 files changed, 3744 insertions(+), 37 deletions(-) create mode 100644 drivers/misc/bcm-vk/Kconfig create mode 100644 drivers/misc/bcm-vk/Makefile create mode 100644 drivers/misc/bcm-vk/README create mode 100644 drivers/misc/bcm-vk/bcm_vk.h create mode 100644 drivers/misc/bcm-vk/bcm_vk_dev.c create mode 100644 drivers/misc/bcm-vk/bcm_vk_msg.c create mode 100644 drivers/misc/bcm-vk/bcm_vk_msg.h create mode 100644 drivers/misc/bcm-vk/bcm_vk_sg.c create mode 100644 drivers/misc/bcm-vk/bcm_vk_sg.h create mode 100644 include/uapi/linux/misc/bcm_vk.h -- 2.17.1

5 years, 2 months

7
35
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[PATCH v12 1/9] hugetlb_cgroup: Add hugetlb_cgroup reservation counter

by Mina Almasry

These counters will track hugetlb reservations rather than hugetlb memory faulted in. This patch only adds the counter, following patches add the charging and uncharging of the counter. This is patch 1 of an 9 patch series. Problem: Currently tasks attempting to reserve more hugetlb memory than is available get a failure at mmap/shmget time. This is thanks to Hugetlbfs Reservations [1]. However, if a task attempts to reserve more hugetlb memory than its hugetlb_cgroup limit allows, the kernel will allow the mmap/shmget call, but will SIGBUS the task when it attempts to fault in the excess memory. We have users hitting their hugetlb_cgroup limits and thus we've been looking at this failure mode. We'd like to improve this behavior such that users violating the hugetlb_cgroup limits get an error on mmap/shmget time, rather than getting SIGBUS'd when they try to fault the excess memory in. This gives the user an opportunity to fallback more gracefully to non-hugetlbfs memory for example. The underlying problem is that today's hugetlb_cgroup accounting happens at hugetlb memory *fault* time, rather than at *reservation* time. Thus, enforcing the hugetlb_cgroup limit only happens at fault time, and the offending task gets SIGBUS'd. Proposed Solution: A new page counter named 'hugetlb.xMB.rsvd.[limit|usage|max_usage]_in_bytes'. This counter has slightly different semantics than 'hugetlb.xMB.[limit|usage|max_usage]_in_bytes': - While usage_in_bytes tracks all *faulted* hugetlb memory, rsvd.usage_in_bytes tracks all *reserved* hugetlb memory and hugetlb memory faulted in without a prior reservation. - If a task attempts to reserve more memory than limit_in_bytes allows, the kernel will allow it to do so. But if a task attempts to reserve more memory than rsvd.limit_in_bytes, the kernel will fail this reservation. This proposal is implemented in this patch series, with tests to verify functionality and show the usage. Alternatives considered: 1. A new cgroup, instead of only a new page_counter attached to the existing hugetlb_cgroup. Adding a new cgroup seemed like a lot of code duplication with hugetlb_cgroup. Keeping hugetlb related page counters under hugetlb_cgroup seemed cleaner as well. 2. Instead of adding a new counter, we considered adding a sysctl that modifies the behavior of hugetlb.xMB.[limit|usage]_in_bytes, to do accounting at reservation time rather than fault time. Adding a new page_counter seems better as userspace could, if it wants, choose to enforce different cgroups differently: one via limit_in_bytes, and another via rsvd.limit_in_bytes. This could be very useful if you're transitioning how hugetlb memory is partitioned on your system one cgroup at a time, for example. Also, someone may find usage for both limit_in_bytes and rsvd.limit_in_bytes concurrently, and this approach gives them the option to do so. Testing: - Added tests passing. - Used libhugetlbfs for regression testing. [1]: https://www.kernel.org/doc/html/latest/vm/hugetlbfs_reserv.html Signed-off-by: Mina Almasry <almasrymina(a)google.com> Acked-by: David Rientjes <rientjes(a)google.com> Reviewed-by: Mike Kravetz <mike.kravetz(a)oracle.com> --- Changes in v12: - Minor code formatting. Changes in v11: - Renamed resv.* or 'reservation' or 'reserved' to rsvd.* - Renamed hugetlb_cgroup_get_counter() to hugetlb_cgroup_counter_from_cgroup(). Changes in v10: - Renamed reservation_* to resv.* --- include/linux/hugetlb.h | 4 +- mm/hugetlb_cgroup.c | 115 +++++++++++++++++++++++++++++++++++----- 2 files changed, 104 insertions(+), 15 deletions(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 1e897e4168ac1..dea6143aa0685 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -432,8 +432,8 @@ struct hstate { unsigned int surplus_huge_pages_node[MAX_NUMNODES]; #ifdef CONFIG_CGROUP_HUGETLB /* cgroup control files */ - struct cftype cgroup_files_dfl[5]; - struct cftype cgroup_files_legacy[5]; + struct cftype cgroup_files_dfl[7]; + struct cftype cgroup_files_legacy[9]; #endif char name[HSTATE_NAME_LEN]; }; diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index e434b05416c68..08b2adcdb5c1c 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -36,6 +36,11 @@ struct hugetlb_cgroup { */ struct page_counter hugepage[HUGE_MAX_HSTATE]; + /* + * the counter to account for hugepage reservations from hugetlb. + */ + struct page_counter rsvd_hugepage[HUGE_MAX_HSTATE]; + atomic_long_t events[HUGE_MAX_HSTATE][HUGETLB_NR_MEMORY_EVENTS]; atomic_long_t events_local[HUGE_MAX_HSTATE][HUGETLB_NR_MEMORY_EVENTS]; @@ -55,6 +60,15 @@ struct hugetlb_cgroup { static struct hugetlb_cgroup *root_h_cgroup __read_mostly; +static inline struct page_counter * +hugetlb_cgroup_counter_from_cgroup(struct hugetlb_cgroup *h_cg, int idx, + bool rsvd) +{ + if (rsvd) + return &h_cg->rsvd_hugepage[idx]; + return &h_cg->hugepage[idx]; +} + static inline struct hugetlb_cgroup *hugetlb_cgroup_from_css(struct cgroup_subsys_state *s) { @@ -295,28 +309,42 @@ void hugetlb_cgroup_uncharge_cgroup(int idx, unsigned long nr_pages, enum { RES_USAGE, + RES_RSVD_USAGE, RES_LIMIT, + RES_RSVD_LIMIT, RES_MAX_USAGE, + RES_RSVD_MAX_USAGE, RES_FAILCNT, + RES_RSVD_FAILCNT, }; static u64 hugetlb_cgroup_read_u64(struct cgroup_subsys_state *css, struct cftype *cft) { struct page_counter *counter; + struct page_counter *rsvd_counter; struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(css); counter = &h_cg->hugepage[MEMFILE_IDX(cft->private)]; + rsvd_counter = &h_cg->rsvd_hugepage[MEMFILE_IDX(cft->private)]; switch (MEMFILE_ATTR(cft->private)) { case RES_USAGE: return (u64)page_counter_read(counter) * PAGE_SIZE; + case RES_RSVD_USAGE: + return (u64)page_counter_read(rsvd_counter) * PAGE_SIZE; case RES_LIMIT: return (u64)counter->max * PAGE_SIZE; + case RES_RSVD_LIMIT: + return (u64)rsvd_counter->max * PAGE_SIZE; case RES_MAX_USAGE: return (u64)counter->watermark * PAGE_SIZE; + case RES_RSVD_MAX_USAGE: + return (u64)rsvd_counter->watermark * PAGE_SIZE; case RES_FAILCNT: return counter->failcnt; + case RES_RSVD_FAILCNT: + return rsvd_counter->failcnt; default: BUG(); } @@ -338,10 +366,16 @@ static int hugetlb_cgroup_read_u64_max(struct seq_file *seq, void *v) 1 << huge_page_order(&hstates[idx])); switch (MEMFILE_ATTR(cft->private)) { + case RES_RSVD_USAGE: + counter = &h_cg->rsvd_hugepage[idx]; + /* Fall through. */ case RES_USAGE: val = (u64)page_counter_read(counter); seq_printf(seq, "%llu\n", val * PAGE_SIZE); break; + case RES_RSVD_LIMIT: + counter = &h_cg->rsvd_hugepage[idx]; + /* Fall through. */ case RES_LIMIT: val = (u64)counter->max; if (val == limit) @@ -365,6 +399,7 @@ static ssize_t hugetlb_cgroup_write(struct kernfs_open_file *of, int ret, idx; unsigned long nr_pages; struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(of_css(of)); + bool rsvd = false; if (hugetlb_cgroup_is_root(h_cg)) /* Can't set limit on root */ return -EINVAL; @@ -378,9 +413,14 @@ static ssize_t hugetlb_cgroup_write(struct kernfs_open_file *of, nr_pages = round_down(nr_pages, 1 << huge_page_order(&hstates[idx])); switch (MEMFILE_ATTR(of_cft(of)->private)) { + case RES_RSVD_LIMIT: + rsvd = true; + /* Fall through. */ case RES_LIMIT: mutex_lock(&hugetlb_limit_mutex); - ret = page_counter_set_max(&h_cg->hugepage[idx], nr_pages); + ret = page_counter_set_max( + hugetlb_cgroup_counter_from_cgroup(h_cg, idx, rsvd), + nr_pages); mutex_unlock(&hugetlb_limit_mutex); break; default: @@ -406,18 +446,25 @@ static ssize_t hugetlb_cgroup_reset(struct kernfs_open_file *of, char *buf, size_t nbytes, loff_t off) { int ret = 0; - struct page_counter *counter; + struct page_counter *counter, *rsvd_counter; struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(of_css(of)); counter = &h_cg->hugepage[MEMFILE_IDX(of_cft(of)->private)]; + rsvd_counter = &h_cg->rsvd_hugepage[MEMFILE_IDX(of_cft(of)->private)]; switch (MEMFILE_ATTR(of_cft(of)->private)) { case RES_MAX_USAGE: page_counter_reset_watermark(counter); break; + case RES_RSVD_MAX_USAGE: + page_counter_reset_watermark(rsvd_counter); + break; case RES_FAILCNT: counter->failcnt = 0; break; + case RES_RSVD_FAILCNT: + rsvd_counter->failcnt = 0; + break; default: ret = -EINVAL; break; @@ -472,7 +519,7 @@ static void __init __hugetlb_cgroup_file_dfl_init(int idx) struct hstate *h = &hstates[idx]; /* format the size */ - mem_fmt(buf, 32, huge_page_size(h)); + mem_fmt(buf, sizeof(buf), huge_page_size(h)); /* Add the limit file */ cft = &h->cgroup_files_dfl[0]; @@ -482,15 +529,30 @@ static void __init __hugetlb_cgroup_file_dfl_init(int idx) cft->write = hugetlb_cgroup_write_dfl; cft->flags = CFTYPE_NOT_ON_ROOT; - /* Add the current usage file */ + /* Add the reservation limit file */ cft = &h->cgroup_files_dfl[1]; + snprintf(cft->name, MAX_CFTYPE_NAME, "%s.rsvd.max", buf); + cft->private = MEMFILE_PRIVATE(idx, RES_RSVD_LIMIT); + cft->seq_show = hugetlb_cgroup_read_u64_max; + cft->write = hugetlb_cgroup_write_dfl; + cft->flags = CFTYPE_NOT_ON_ROOT; + + /* Add the current usage file */ + cft = &h->cgroup_files_dfl[2]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.current", buf); cft->private = MEMFILE_PRIVATE(idx, RES_USAGE); cft->seq_show = hugetlb_cgroup_read_u64_max; cft->flags = CFTYPE_NOT_ON_ROOT; + /* Add the current reservation usage file */ + cft = &h->cgroup_files_dfl[3]; + snprintf(cft->name, MAX_CFTYPE_NAME, "%s.rsvd.current", buf); + cft->private = MEMFILE_PRIVATE(idx, RES_RSVD_USAGE); + cft->seq_show = hugetlb_cgroup_read_u64_max; + cft->flags = CFTYPE_NOT_ON_ROOT; + /* Add the events file */ - cft = &h->cgroup_files_dfl[2]; + cft = &h->cgroup_files_dfl[4]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.events", buf); cft->private = MEMFILE_PRIVATE(idx, 0); cft->seq_show = hugetlb_events_show; @@ -498,7 +560,7 @@ static void __init __hugetlb_cgroup_file_dfl_init(int idx) cft->flags = CFTYPE_NOT_ON_ROOT; /* Add the events.local file */ - cft = &h->cgroup_files_dfl[3]; + cft = &h->cgroup_files_dfl[5]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.events.local", buf); cft->private = MEMFILE_PRIVATE(idx, 0); cft->seq_show = hugetlb_events_local_show; @@ -507,7 +569,7 @@ static void __init __hugetlb_cgroup_file_dfl_init(int idx) cft->flags = CFTYPE_NOT_ON_ROOT; /* NULL terminate the last cft */ - cft = &h->cgroup_files_dfl[4]; + cft = &h->cgroup_files_dfl[6]; memset(cft, 0, sizeof(*cft)); WARN_ON(cgroup_add_dfl_cftypes(&hugetlb_cgrp_subsys, @@ -521,7 +583,7 @@ static void __init __hugetlb_cgroup_file_legacy_init(int idx) struct hstate *h = &hstates[idx]; /* format the size */ - mem_fmt(buf, 32, huge_page_size(h)); + mem_fmt(buf, sizeof(buf), huge_page_size(h)); /* Add the limit file */ cft = &h->cgroup_files_legacy[0]; @@ -530,28 +592,55 @@ static void __init __hugetlb_cgroup_file_legacy_init(int idx) cft->read_u64 = hugetlb_cgroup_read_u64; cft->write = hugetlb_cgroup_write_legacy; - /* Add the usage file */ + /* Add the reservation limit file */ cft = &h->cgroup_files_legacy[1]; + snprintf(cft->name, MAX_CFTYPE_NAME, "%s.rsvd.limit_in_bytes", buf); + cft->private = MEMFILE_PRIVATE(idx, RES_RSVD_LIMIT); + cft->read_u64 = hugetlb_cgroup_read_u64; + cft->write = hugetlb_cgroup_write_legacy; + + /* Add the usage file */ + cft = &h->cgroup_files_legacy[2]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.usage_in_bytes", buf); cft->private = MEMFILE_PRIVATE(idx, RES_USAGE); cft->read_u64 = hugetlb_cgroup_read_u64; + /* Add the reservation usage file */ + cft = &h->cgroup_files_legacy[3]; + snprintf(cft->name, MAX_CFTYPE_NAME, "%s.rsvd.usage_in_bytes", buf); + cft->private = MEMFILE_PRIVATE(idx, RES_RSVD_USAGE); + cft->read_u64 = hugetlb_cgroup_read_u64; + /* Add the MAX usage file */ - cft = &h->cgroup_files_legacy[2]; + cft = &h->cgroup_files_legacy[4]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.max_usage_in_bytes", buf); cft->private = MEMFILE_PRIVATE(idx, RES_MAX_USAGE); cft->write = hugetlb_cgroup_reset; cft->read_u64 = hugetlb_cgroup_read_u64; + /* Add the MAX reservation usage file */ + cft = &h->cgroup_files_legacy[5]; + snprintf(cft->name, MAX_CFTYPE_NAME, "%s.rsvd.max_usage_in_bytes", buf); + cft->private = MEMFILE_PRIVATE(idx, RES_RSVD_MAX_USAGE); + cft->write = hugetlb_cgroup_reset; + cft->read_u64 = hugetlb_cgroup_read_u64; + /* Add the failcntfile */ - cft = &h->cgroup_files_legacy[3]; + cft = &h->cgroup_files_legacy[6]; snprintf(cft->name, MAX_CFTYPE_NAME, "%s.failcnt", buf); - cft->private = MEMFILE_PRIVATE(idx, RES_FAILCNT); + cft->private = MEMFILE_PRIVATE(idx, RES_FAILCNT); + cft->write = hugetlb_cgroup_reset; + cft->read_u64 = hugetlb_cgroup_read_u64; + + /* Add the reservation failcntfile */ + cft = &h->cgroup_files_legacy[7]; + snprintf(cft->name, MAX_CFTYPE_NAME, "%s.rsvd.failcnt", buf); + cft->private = MEMFILE_PRIVATE(idx, RES_RSVD_FAILCNT); cft->write = hugetlb_cgroup_reset; cft->read_u64 = hugetlb_cgroup_read_u64; /* NULL terminate the last cft */ - cft = &h->cgroup_files_legacy[4]; + cft = &h->cgroup_files_legacy[8]; memset(cft, 0, sizeof(*cft)); WARN_ON(cgroup_add_legacy_cftypes(&hugetlb_cgrp_subsys, -- 2.25.0.225.g125e21ebc7-goog

5 years, 2 months

6
39
0 0

[PATCH] selftests: Install settings files to fix TIMEOUT failures

by Michael Ellerman

Commit 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test") added a 45 second timeout for tests, and also added a way for tests to customise the timeout via a settings file. For example the ftrace tests take multiple minutes to run, so they were given longer in commit b43e78f65b1d ("tracing/selftests: Turn off timeout setting"). This works when the tests are run from the source tree. However if the tests are installed with "make -C tools/testing/selftests install", the settings files are not copied into the install directory. When the tests are then run from the install directory the longer timeouts are not applied and the tests timeout incorrectly. So add the settings files to TEST_FILES of the appropriate Makefiles to cause the settings files to be installed using the existing install logic. Fixes: 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test") Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> --- tools/testing/selftests/ftrace/Makefile | 2 +- tools/testing/selftests/livepatch/Makefile | 2 ++ tools/testing/selftests/net/mptcp/Makefile | 2 ++ tools/testing/selftests/rseq/Makefile | 2 ++ tools/testing/selftests/rtc/Makefile | 2 ++ 5 files changed, 9 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/ftrace/Makefile b/tools/testing/selftests/ftrace/Makefile index cd1f5b3a7774..d6e106fbce11 100644 --- a/tools/testing/selftests/ftrace/Makefile +++ b/tools/testing/selftests/ftrace/Makefile @@ -2,7 +2,7 @@ all: TEST_PROGS := ftracetest -TEST_FILES := test.d +TEST_FILES := test.d settings EXTRA_CLEAN := $(OUTPUT)/logs/* include ../lib.mk diff --git a/tools/testing/selftests/livepatch/Makefile b/tools/testing/selftests/livepatch/Makefile index 3876d8d62494..1acc9e1fa3fb 100644 --- a/tools/testing/selftests/livepatch/Makefile +++ b/tools/testing/selftests/livepatch/Makefile @@ -8,4 +8,6 @@ TEST_PROGS := \ test-state.sh \ test-ftrace.sh +TEST_FILES := settings + include ../lib.mk diff --git a/tools/testing/selftests/net/mptcp/Makefile b/tools/testing/selftests/net/mptcp/Makefile index 93de52016dde..ba450e62dc5b 100644 --- a/tools/testing/selftests/net/mptcp/Makefile +++ b/tools/testing/selftests/net/mptcp/Makefile @@ -8,6 +8,8 @@ TEST_PROGS := mptcp_connect.sh TEST_GEN_FILES = mptcp_connect +TEST_FILES := settings + EXTRA_CLEAN := *.pcap include ../../lib.mk diff --git a/tools/testing/selftests/rseq/Makefile b/tools/testing/selftests/rseq/Makefile index d6469535630a..f1053630bb6f 100644 --- a/tools/testing/selftests/rseq/Makefile +++ b/tools/testing/selftests/rseq/Makefile @@ -19,6 +19,8 @@ TEST_GEN_PROGS_EXTENDED = librseq.so TEST_PROGS = run_param_test.sh +TEST_FILES := settings + include ../lib.mk $(OUTPUT)/librseq.so: rseq.c rseq.h rseq-*.h diff --git a/tools/testing/selftests/rtc/Makefile b/tools/testing/selftests/rtc/Makefile index de9c8566672a..90fa1a346908 100644 --- a/tools/testing/selftests/rtc/Makefile +++ b/tools/testing/selftests/rtc/Makefile @@ -6,4 +6,6 @@ TEST_GEN_PROGS = rtctest TEST_GEN_PROGS_EXTENDED = setdate +TEST_FILES := settings + include ../lib.mk -- 2.21.1

5 years, 2 months

4
6
0 0

[PATCH net-next] wireguard: selftests: remove duplicated include <sys/types.h>

by YueHaibing

Remove duplicated include. Signed-off-by: YueHaibing <yuehaibing(a)huawei.com> --- tools/testing/selftests/wireguard/qemu/init.c | 1 - 1 file changed, 1 deletion(-) diff --git a/tools/testing/selftests/wireguard/qemu/init.c b/tools/testing/selftests/wireguard/qemu/init.c index 90bc981..c969812 100644 --- a/tools/testing/selftests/wireguard/qemu/init.c +++ b/tools/testing/selftests/wireguard/qemu/init.c @@ -13,7 +13,6 @@ #include <fcntl.h> #include <sys/wait.h> #include <sys/mount.h> -#include <sys/types.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/io.h> -- 2.7.4

5 years, 2 months

2
1
0 0

Re: [PATCH v2 6/7] misc: bcm-vk: add Broadcom VK driver

by Randy Dunlap

Hi, On 2/19/20 4:48 PM, Scott Branden wrote: > diff --git a/drivers/misc/bcm-vk/Kconfig b/drivers/misc/bcm-vk/Kconfig > new file mode 100644 > index 000000000000..c75dfb89a38d > --- /dev/null > +++ b/drivers/misc/bcm-vk/Kconfig > @@ -0,0 +1,42 @@ > +# SPDX-License-Identifier: GPL-2.0-only > +# > +# Broadcom VK device > +# > +config BCM_VK > + tristate "Support for Broadcom VK Accelerators" > + depends on PCI_MSI > + default m Need to justify default m. Normally we don't add drivers as enabled unless they are required for basic (boot) operation. > + help > + Select this option to enable support for Broadcom > + VK Accelerators. VK is used for performing > + specific video offload processing. This driver enables > + userspace programs to access these accelerators via /dev/bcm-vk.N > + devices. > + > + If unsure, say N. > + > +if BCM_VK > + > +config BCM_VK_H2VK_VERIFY_AND_RETRY > + bool "Host To VK Verifiy Data and Retry" Verify > + help > + Turn on to verify the data passed down to VK is good, > + and if not, do a retry until it succeeds. No timeout on that retry? > + This is a debug/workaround on FPGA PCIe timing issues > + but may be found useful for debugging other PCIe hardware issues. > + Small performance loss by enabling this debug config. > + For properly operating PCIe hardware no need to enable this. > + > + If unsure, say N. > + > +config BCM_VK_QSTATS > + bool "VK Queue Statistics" > + help > + Turn on to enable Queue Statistics. > + These are useful for debugging purposes. > + Some performance loss by enabling this debug config. > + For properly operating PCIe hardware no need to enable this. > + > + If unsure, say N. > + > +endif cheers. -- ~Randy

5 years, 2 months

2
2
0 0

Re: Kernel 5.5.4 build fail for BPF-selftests with latest LLVM

by shuah

On 2/19/20 5:27 PM, Alexei Starovoitov wrote: > On Wed, Feb 19, 2020 at 03:59:41PM -0600, Daniel Díaz wrote: >>> >>> When I download a specific kernel release, how can I know what LLVM >>> git-hash or version I need (to use BPF-selftests)? > > as discussed we're going to add documentation-like file that will > list required commits in tools. > This will be enforced for future llvm/pahole commits. > >>> Do you think it is reasonable to require end-users to compile their own >>> bleeding edge version of LLVM, to use BPF-selftests? > > absolutely. + linux-kselftest(a)vger.kernel.org End-users in this context are users and not necessarily developers. > If a developer wants to send a patch they must run all selftests and > all of them must pass in their environment. > "but I'm adding a tracing feature and don't care about networking tests > failing"... is not acceptable. This is a reasonable expectation when a developers sends bpf patches. > >>> I do hope that some end-users of BPF-selftests will be CI-systems. >>> That also implies that CI-system maintainers need to constantly do >>> "latest built from sources" of LLVM git-tree to keep up. Is that a >>> reasonable requirement when buying a CI-system in the cloud? > > "buying CI-system in the cloud" ? > If I could buy such system I would pay for it out of my own pocket to save > maintainer's and developer's time. > >> We [1] are end users of kselftests and many other test suites [2]. We >> run all of our testing on every git-push on linux-stable-rc, mainline, >> and linux-next -- approximately 1 million tests per week. We have a >> dedicated engineering team looking after this CI infrastructure and >> test results, and as such, I can wholeheartedly echo Jesper's >> sentiment here: We would really like to help kernel maintainers and >> developers by automatically testing their code in real hardware, but >> the BPF kselftests are difficult to work with from a CI perspective. >> We have caught and reported [3] many [4] build [5] failures [6] in the >> past for libbpf/Perf, but building is just one of the pieces. We are >> unable to run the entire BPF kselftests because only a part of the >> code builds, so our testing is very limited there. >> >> We hope that this situation can be improved and that our and everyone >> else's automated testing can help you guys too. For this to work out, >> we need some help. > It would be helpful understand what "help" is in this context. > I don't understand what kind of help you need. Just install the latest tools. What would be helpful is to write bpf tests such that older tests that worked on older llvm versions continue to work and with some indication on which tests require new bleeding edge tools. > Both the latest llvm and the latest pahole are required. It would be helpful if you can elaborate why latest tools are a requirement. > If by 'help' you mean to tweak selftests to skip tests then it's a nack. > We have human driven CI. Every developer must run selftests/bpf before > emailing the patches. Myself and Daniel run them as well before applying. > These manual runs is the only thing that keeps bpf tree going. > If selftests get to skip tests humans will miss those errors. > When I don't see '0 SKIPPED, 0 FAILED' I go and investigate. > Anything but zero is a path to broken kernels. > > Imagine the tests would get skipped when pahole is too old. > That would mean all of the kernel features from year 2019 > would get skipped. Is there a point of running such selftests? > I think the value is not just zero. The value is negative. > Such selftests that run old stuff would give false believe > that they do something meaningful. > "but CI can do build only tests"... If 'helping' such CI means hurting the > key developer/maintainer workflow such CI is on its own. > Skipping tests will be useless. I am with you on that. However, figuring out how to maintain some level of backward compatibility to run at least older tests and warn users to upgrade would be helpful. I suspect currently users are ignoring bpf failures because they are unable to keep up with the requirement to install newer tools to run the tests. This isn't great either. Users that care are sharing their pain to see if they can get some help or explanation on why new tools are required every so often. I don't think everybody understands why. :) thanks, -- Shuah

5 years, 2 months

4
5
0 0

[PATCH] selftests/rseq: Fix out-of-tree compilation

by Michael Ellerman

Currently if you build with O=... the rseq tests don't build: $ make O=$PWD/output -C tools/testing/selftests/ TARGETS=rseq make: Entering directory '/linux/tools/testing/selftests' ... make[1]: Entering directory '/linux/tools/testing/selftests/rseq' gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ -shared -fPIC rseq.c -lpthread -o /linux/output/rseq/librseq.so gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ basic_test.c -lpthread -lrseq -o /linux/output/rseq/basic_test /usr/bin/ld: cannot find -lrseq collect2: error: ld returned 1 exit status This is because the library search path points to the source directory, not the output. We can fix it by changing the library search path to $(OUTPUT). Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> --- This works in all cases. With O= set: $ make O=$PWD/output -C tools/testing/selftests/ TARGETS=rseq ... make[1]: Entering directory '/linux/tools/testing/selftests/rseq' gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/output/rseq -Wl,-rpath=./ basic_test.c -lpthread -lrseq -o /linux/output/rseq/basic_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/output/rseq -Wl,-rpath=./ basic_percpu_ops_test.c -lpthread -lrseq -o /linux/output/rseq/basic_percpu_ops_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/output/rseq -Wl,-rpath=./ param_test.c -lpthread -lrseq -o /linux/output/rseq/param_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/output/rseq -Wl,-rpath=./ -DBENCHMARK param_test.c -lpthread -lrseq -o /linux/output/rseq/param_test_benchmark gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/output/rseq -Wl,-rpath=./ -DRSEQ_COMPARE_TWICE param_test.c -lpthread -lrseq -o /linux/output/rseq/param_test_compare_twice make[1]: Leaving directory '/linux/tools/testing/selftests/rseq' make: Leaving directory '/linux/tools/testing/selftests' And also without, in which case the selftest makefiles set OUTPUT to the full path of the source directory: $ make -C tools/testing/selftests/ TARGETS=rseq ... make[1]: Entering directory '/linux/tools/testing/selftests/rseq' gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ -shared -fPIC rseq.c -lpthread -o /linux/tools/testing/selftests/rseq/librseq.so gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ basic_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/basic_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ basic_percpu_ops_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/basic_percpu_ops_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ param_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/param_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ -DBENCHMARK param_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/param_test_benchmark gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ -DRSEQ_COMPARE_TWICE param_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/param_test_compare_twice make[1]: Leaving directory '/linux/tools/testing/selftests/rseq' make: Leaving directory '/linux/tools/testing/selftests' And finally, it also works if you build directly in the rseq directory, eg: $ cd tools/testing/selftests/rseq $ make gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ -shared -fPIC rseq.c -lpthread -o /linux/tools/testing/selftests/rseq/librseq.so gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ basic_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/basic_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ basic_percpu_ops_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/basic_percpu_ops_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ param_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/param_test gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ -DBENCHMARK param_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/param_test_benchmark gcc -O2 -Wall -g -I./ -I../../../../usr/include/ -L/linux/tools/testing/selftests/rseq -Wl,-rpath=./ -DRSEQ_COMPARE_TWICE param_test.c -lpthread -lrseq -o /linux/tools/testing/selftests/rseq/param_test_compare_twice --- tools/testing/selftests/rseq/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/rseq/Makefile b/tools/testing/selftests/rseq/Makefile index d6469535630a..708c1b345245 100644 --- a/tools/testing/selftests/rseq/Makefile +++ b/tools/testing/selftests/rseq/Makefile @@ -4,7 +4,7 @@ ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) CLANG_FLAGS += -no-integrated-as endif -CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L./ -Wl,-rpath=./ \ +CFLAGS += -O2 -Wall -g -I./ -I../../../../usr/include/ -L$(OUTPUT) -Wl,-rpath=./ \ $(CLANG_FLAGS) LDLIBS += -lpthread base-commit: 11a48a5a18c63fd7621bb050228cebf13566e4d8 -- 2.21.1

5 years, 2 months

3
2
0 0

Re: [PATCH] selftest/lkdtm: Don't pollute 'git status'

by Shuah Khan

On 2/20/20 7:58 AM, Christophe Leroy wrote: > ping > > On 02/06/2020 08:11 AM, Christophe Leroy wrote: >> Commit 46d1a0f03d66 ("selftests/lkdtm: Add tests for LKDTM targets") >> added generation of lkdtm test scripts. >> >> Ignore those generated scripts when performing 'git status' >> >> Fixes: 46d1a0f03d66 ("selftests/lkdtm: Add tests for LKDTM targets") >> Signed-off-by: Christophe Leroy <christophe.leroy(a)c-s.fr> > > Without this, 'git status' now reports the following crap and real > problems are drowned in the middle, that's annoying. > I will pull this in. Please cc linux-kselftest mailing list in the future. thanks, -- Shuah

5 years, 2 months

1
0
0 0

[GIT PULL] Kselftest update for Linux 5.6-rc3

by Shuah Khan

Hi Linus, Please pull the following Kselftest fixes update for Linux 5.6-rc3 This Kselftest update for Linux 5.6-rc3 consists of fixes to build failures and other test bugs. diff is attached. thanks, -- Shuah ---------------------------------------------------------------- The following changes since commit bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9: Linux 5.6-rc1 (2020-02-09 16:08:48 -0800) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-5.6-rc3 for you to fetch changes up to 9a0584f05687947d5a0b87f046bcd2592a55e67c: selftests: openat2: fix build error on newer glibc (2020-02-13 13:15:45 -0700) ---------------------------------------------------------------- linux-kselftest-5.6-rc3 This Kselftest update for Linux 5.6-rc3 consists of fixes to build failures and other test bugs. ---------------------------------------------------------------- Aleksa Sarai (1): selftests: openat2: fix build error on newer glibc Colin Ian King (1): selftests: fix spelling mistaked "chaigned" -> "chained" Dmitry Safonov (1): selftests: use LDLIBS for libraries instead of LDFLAGS Jiri Benc (2): selftests: allow detection of build failures selftests: fix too long argument Nikita Sobolev (1): Kernel selftests: tpm2: check for tpm support Steven Rostedt (VMware) (1): selftests/ftrace: Have pid filter test use instance flag tools/testing/selftests/Makefile | 12 +++++++++-- .../ftrace/test.d/ftrace/func-filter-pid.tc | 8 +------- tools/testing/selftests/futex/functional/Makefile | 2 +- tools/testing/selftests/lib.mk | 23 ++++++++++++---------- tools/testing/selftests/net/Makefile | 4 ++-- tools/testing/selftests/openat2/helpers.c | 2 +- tools/testing/selftests/openat2/resolve_test.c | 2 +- tools/testing/selftests/rtc/Makefile | 2 +- tools/testing/selftests/timens/Makefile | 2 +- tools/testing/selftests/tpm2/test_smoke.sh | 13 ++++++++++-- tools/testing/selftests/tpm2/test_space.sh | 9 ++++++++- 11 files changed, 50 insertions(+), 29 deletions(-) ----------------------------------------------------------------

5 years, 2 months

2
1
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[PATCH v6 0/6] mm/hmm/test: add self tests for HMM

by Ralph Campbell

This series adds new functions to the mmu interval notifier API to allow device drivers with MMUs to dynamically mirror a process' page tables based on device faults and invalidation callbacks. The Nouveau driver is updated to use the extended API and a set of stand alone self tests is added to help validate and maintain correctness. The patches are based on linux-5.5.0-rc6 and are for Jason's rdma/hmm tree since I believe he is planning some interval notifier changes. Changes v5 -> v6: Rebase to linux-5.5.0-rc6 Refactored mmu interval notifier patches Converted nouveau to use the new mmu interval notifier API Changes v4 -> v5: Added mmu interval notifier insert/remove/update callable from the invalidate() callback Updated HMM tests to use the new core interval notifier API Changes v1 -> v4: https://lore.kernel.org/linux-mm/20191104222141.5173-1-rcampbell@nvidia.com Ralph Campbell (6): mm/mmu_notifier: add mmu_interval_notifier_insert_safe() mm/mmu_notifier: add mmu_interval_notifier_put() mm/notifier: add mmu_interval_notifier_update() mm/mmu_notifier: add mmu_interval_notifier_find() nouveau: use new mmu interval notifiers mm/hmm/test: add self tests for HMM MAINTAINERS | 3 + drivers/gpu/drm/nouveau/nouveau_svm.c | 313 ++++-- include/linux/mmu_notifier.h | 29 + lib/Kconfig.debug | 11 + lib/Makefile | 1 + lib/test_hmm.c | 1368 ++++++++++++++++++++++++ mm/mmu_notifier.c | 223 +++- tools/testing/selftests/vm/.gitignore | 1 + tools/testing/selftests/vm/Makefile | 3 + tools/testing/selftests/vm/config | 2 + tools/testing/selftests/vm/hmm-tests.c | 1354 +++++++++++++++++++++++ tools/testing/selftests/vm/run_vmtests | 16 + tools/testing/selftests/vm/test_hmm.sh | 97 ++ 13 files changed, 3289 insertions(+), 132 deletions(-) create mode 100644 lib/test_hmm.c create mode 100644 tools/testing/selftests/vm/hmm-tests.c create mode 100755 tools/testing/selftests/vm/test_hmm.sh -- 2.20.1

5 years, 2 months

4
16
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Re: [PATCH v2] kunit: run kunit_tool from any directory

by shuah

On 2/19/20 3:38 PM, Heidi Fahim wrote: > On Wed, Feb 19, 2020 at 2:18 PM shuah <shuah(a)kernel.org > <mailto:shuah@kernel.org>> wrote: > > Hi Heidi, > > On 2/18/20 3:19 PM, Heidi Fahim wrote: > > Implemented small fix so that the script changes work directories > to the > > root of the linux kernel source tree from which kunit.py is run. This > > enables the user to run kunit from any working directory. Originally > > considered using os.path.join but this is more error prone as we > would > > have to find all file path usages and modify them accordingly. Using > > os.chdir ensures that the entire script is run within /linux. > > > > Signed-off-by: Heidi Fahim <heidifahim(a)google.com > <mailto:heidifahim@google.com>> > > Reviewed-by: Brendan Higgins <brendanhiggins(a)google.com > <mailto:brendanhiggins@google.com>> > > Thanks for the patch. In the future please include changes from v1 > to v2. > > I am assuming this v2 addresses Frank's comments. > > > Sorry about that! Yes the only change here was in the commit message > addressing Frank's comment. > Great. I will pull this in for 5.6-rc4. thanks, -- Shuah

5 years, 2 months

1
0
0 0

[PATCH v2] kunit: run kunit_tool from any directory

by Heidi Fahim

Implemented small fix so that the script changes work directories to the root of the linux kernel source tree from which kunit.py is run. This enables the user to run kunit from any working directory. Originally considered using os.path.join but this is more error prone as we would have to find all file path usages and modify them accordingly. Using os.chdir ensures that the entire script is run within /linux. Signed-off-by: Heidi Fahim <heidifahim(a)google.com> Reviewed-by: Brendan Higgins <brendanhiggins(a)google.com> --- tools/testing/kunit/kunit.py | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index 3f552e847a14..060d960a7029 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -26,6 +26,8 @@ KunitResult = namedtuple('KunitResult', ['status','result']) KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs', 'build_dir', 'defconfig', 'json']) +KernelDirectoryPath = sys.argv[0].split('tools/testing/kunit/')[0] + class KunitStatus(Enum): SUCCESS = auto() CONFIG_FAILURE = auto() @@ -37,6 +39,13 @@ def create_default_kunitconfig(): shutil.copyfile('arch/um/configs/kunit_defconfig', kunit_kernel.kunitconfig_path) +def get_kernel_root_path(): + parts = sys.argv[0] if not __file__ else __file__ + parts = os.path.realpath(parts).split('tools/testing/kunit') + if len(parts) != 2: + sys.exit(1) + return parts[0] + def run_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitRequest) -> KunitResult: config_start = time.time() @@ -130,6 +139,9 @@ def main(argv, linux=None): cli_args = parser.parse_args(argv) if cli_args.subcommand == 'run': + if get_kernel_root_path(): + os.chdir(get_kernel_root_path()) + if cli_args.build_dir: if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) -- 2.25.0.265.gbab2e86ba0-goog

5 years, 2 months

2
1
0 0

[PATCH bpf-next 0/6] bpftool: Allow to select sections and filter probes

by Michal Rostecki

This patch series extend the "bpftool feature" subcommand with the new positional arguments: - "section", which allows to select a specific section of probes (i.e. "system_config", "program_types", "map_types"); - "filter_in", which allows to select only probes which matches the given regex pattern; - "filter_out", which allows to filter out probes which do not match the given regex pattern. The main motivation behind those changes is ability the fact that some probes (for example those related to "trace" or "write_user" helpers) emit dmesg messages which might be confusing for people who are running on production environments. For details see the Cilium issue[0]. [0] https://github.com/cilium/cilium/issues/10048 Michal Rostecki (6): bpftool: Move out sections to separate functions bpftool: Allow to select a specific section to probe bpftool: Add arguments for filtering in and filtering out probes bpftool: Update documentation of "bpftool feature" command bpftool: Update bash completion for "bpftool feature" command selftests/bpf: Add test for "bpftool feature" command .../bpftool/Documentation/bpftool-feature.rst | 37 +- tools/bpf/bpftool/bash-completion/bpftool | 32 +- tools/bpf/bpftool/feature.c | 592 +++++++++++++----- tools/testing/selftests/.gitignore | 5 +- tools/testing/selftests/bpf/Makefile | 3 +- tools/testing/selftests/bpf/test_bpftool.py | 294 +++++++++ tools/testing/selftests/bpf/test_bpftool.sh | 5 + 7 files changed, 811 insertions(+), 157 deletions(-) create mode 100644 tools/testing/selftests/bpf/test_bpftool.py create mode 100755 tools/testing/selftests/bpf/test_bpftool.sh -- 2.25.0

5 years, 2 months

3
11
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[PATCH 0/2] ftrace/selftests: clean up failure cases

by Alan Maguire

When running the ftrace selftests, 2 failures and 6 unresolved cases were observed. The failures can be avoided by setting a sysctl prior to test execution (fixed in patch 1) and the unresolved cases result from absence of testing modules which are built based on CONFIG options being set and program availability (fixed in patch 2). These seem more like "unsupported" than "unresolved" errors, since for the ftrace tests "unresolved" cases cause the test (and thus kselftest) to report failure. With these changes in place, the unresolved cases become unsupported and the test failures disappear, resulting in the ftracetest program exiting with "ok" status. Alan Maguire (2): ftrace/selftests: workaround cgroup RT scheduling issues ftrace/selftest: absence of modules/programs should trigger unsupported errors tools/testing/selftests/ftrace/ftracetest | 23 ++++++++++++++++++++++ .../ftrace/test.d/direct/ftrace-direct.tc | 2 +- .../ftrace/test.d/direct/kprobe-direct.tc | 2 +- .../selftests/ftrace/test.d/event/trace_printk.tc | 2 +- .../ftrace/test.d/ftrace/func_mod_trace.tc | 2 +- .../ftrace/test.d/kprobe/kprobe_module.tc | 2 +- .../selftests/ftrace/test.d/selftest/bashisms.tc | 2 +- 7 files changed, 29 insertions(+), 6 deletions(-) -- 1.8.3.1

5 years, 2 months

3
9
0 0

[PATCH v3 kunit-next 0/2] kunit: add debugfs representation to show results/run tests

by Alan Maguire

When kunit tests are run on native (i.e. non-UML) environments, the results of test execution are often intermixed with dmesg output. This patch series attempts to solve this by providing a debugfs representation of the results of the last test run, available as /sys/kernel/debug/kunit/<testsuite>/results Changes since v2: - updated kunit_status2str() to kunit_status_to_string() and made it static inline in include/kunit/test.h (Brendan) - added log string to struct kunit_suite and kunit_case, with log pointer in struct kunit pointing at the case log. This allows us to collect kunit_[err|info|warning]() messages at the same time as we printk() them. This solves for the most part the sharing of log messages between test execution and debugfs since we just print the suite log (which contains the test suite preamble) and the individual test logs. The only exception is the suite-level status, which we cannot store in the suite log as it would mean we'd print the suite and its status prior to the suite's results. (Brendan, patch 1) - dropped debugfs-based kunit run patch for now so as not to cause problems with tests currently under development (Brendan) - fixed doc issues with code block (Brendan, patch 3) Changes since v1: - trimmed unneeded include files in lib/kunit/debugfs.c (Greg) - renamed global debugfs functions to be prefixed with kunit_ (Greg) - removed error checking for debugfs operations (Greg) Alan Maguire (2): kunit: add debugfs /sys/kernel/debug/kunit/<suite>/results display kunit: update documentation to describe debugfs representation Documentation/dev-tools/kunit/usage.rst | 12 +++ include/kunit/test.h | 52 ++++++++++-- lib/kunit/Makefile | 3 +- lib/kunit/debugfs.c | 105 ++++++++++++++++++++++++ lib/kunit/debugfs.h | 16 ++++ lib/kunit/kunit-test.c | 4 +- lib/kunit/test.c | 136 ++++++++++++++++++++++++-------- 7 files changed, 286 insertions(+), 42 deletions(-) create mode 100644 lib/kunit/debugfs.c create mode 100644 lib/kunit/debugfs.h -- 1.8.3.1

5 years, 2 months

4
14
0 0

[PATCH] kunit: run kunit_tool from any directory

by Heidi Fahim

Implemented small fix so that the script changes work directories to the linux directory where kunit.py is run. This enables the user to run kunit from any working directory. Originally considered using os.path.join but this is more error prone as we would have to find all file path usages and modify them accordingly. Using os.chdir ensures that the entire script is run within /linux. Signed-off-by: Heidi Fahim <heidifahim(a)google.com> --- tools/testing/kunit/kunit.py | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py index e59eb9e7f923..3cc7be7b28a0 100755 --- a/tools/testing/kunit/kunit.py +++ b/tools/testing/kunit/kunit.py @@ -35,6 +35,13 @@ def create_default_kunitconfig(): shutil.copyfile('arch/um/configs/kunit_defconfig', kunit_kernel.kunitconfig_path) +def get_kernel_root_path(): + parts = sys.argv[0] if not __file__ else __file__ + parts = os.path.realpath(parts).split('tools/testing/kunit') + if len(parts) != 2: + sys.exit(1) + return parts[0] + def run_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitRequest) -> KunitResult: config_start = time.time() @@ -114,6 +121,9 @@ def main(argv, linux=None): cli_args = parser.parse_args(argv) if cli_args.subcommand == 'run': + if get_kernel_root_path(): + os.chdir(get_kernel_root_path()) + if cli_args.build_dir: if not os.path.exists(cli_args.build_dir): os.mkdir(cli_args.build_dir) -- 2.25.0.341.g760bfbb309-goog

5 years, 2 months

4
4
0 0

arm64: bpf: Elide some moves to a0 after calls

by Palmer Dabbelt

There's four patches here, but only one of them actually does anything. The first patch fixes a BPF selftests build failure on my machine and has already been sent to the list separately. The next three are just staged such that there are some patches that avoid changing any functionality pulled out from the whole point of those refactorings, with two cleanups and then the idea. Maybe this is an odd thing to say in a cover letter, but I'm not actually sure this patch set is a good idea. The issue of extra moves after calls came up as I was reviewing some unrelated performance optimizations to the RISC-V BPF JIT. I figured I'd take a whack at performing the optimization in the context of the arm64 port just to get a breath of fresh air, and I'm not convinced I like the results. That said, I think I would accept something like this for the RISC-V port because we're already doing a multi-pass optimization for shrinking function addresses so it's not as much extra complexity over there. If we do that we should probably start puling some of this code into the shared BPF compiler, but we're also opening the doors to more complicated BPF JIT optimizations. Given that the BPF JIT appears to have been designed explicitly to be simple/fast as opposed to perform complex optimization, I'm not sure this is a sane way to move forward. I figured I'd send the patch set out as more of a question than anything else. Specifically: * How should I go about measuring the performance of these sort of optimizations? I'd like to balance the time it takes to run the JIT with the time spent executing the program, but I don't have any feel for what real BPF programs look like or have any benchmark suite to run. Is there something out there this should be benchmarked against? (I'd also like to know that to run those benchmarks on the RISC-V port.) * Is this the sort of thing that makes sense in a BPF JIT? I guess I've just realized I turned "review this patch" into a way bigger rabbit hole than I really want to go down... I worked on top of 5.4 for these, but trivially different versions of the patches applied on Linus' master a few days ago when I tried. LMK if those aren't sane places to start from over here, I'm new to both arm64 and BPF so I might be a bit lost. [PATCH 1/4] selftests/bpf: Elide a check for LLVM versions that can't [PATCH 2/4] arm64: bpf: Convert bpf2a64 to a function [PATCH 3/4] arm64: bpf: Split the read and write halves of dst [PATCH 4/4] arm64: bpf: Elide some moves to a0 after calls

5 years, 2 months

5
10
0 0

[PATCH v4 kunit-next 0/3] kunit: add debugfs representation to show results

by Alan Maguire

When kunit tests are run on native (i.e. non-UML) environments, the results of test execution are often intermixed with dmesg output. This patch series attempts to solve this by providing a debugfs representation of the results of the last test run, available as /sys/kernel/debug/kunit/<testsuite>/results Changes since v3: - added CONFIG_KUNIT_DEBUGFS to support conditional compilation of debugfs representation, including string logging (Frank, patch 1) - removed unneeded NULL check for test_case in kunit_suite_for_each_test_case() (Frank, patch 1) - added kunit log test to verify logging multiple strings works (Frank, patch 2) - rephrased description of results file (Frank, patch 3) Changes since v2: - updated kunit_status2str() to kunit_status_to_string() and made it static inline in include/kunit/test.h (Brendan) - added log string to struct kunit_suite and kunit_case, with log pointer in struct kunit pointing at the case log. This allows us to collect kunit_[err|info|warning]() messages at the same time as we printk() them. This solves for the most part the sharing of log messages between test execution and debugfs since we just print the suite log (which contains the test suite preamble) and the individual test logs. The only exception is the suite-level status, which we cannot store in the suite log as it would mean we'd print the suite and its status prior to the suite's results. (Brendan, patch 1) - dropped debugfs-based kunit run patch for now so as not to cause problems with tests currently under development (Brendan) - fixed doc issues with code block (Brendan, patch 3) Changes since v1: - trimmed unneeded include files in lib/kunit/debugfs.c (Greg) - renamed global debugfs functions to be prefixed with kunit_ (Greg) - removed error checking for debugfs operations (Greg) Alan Maguire (3): kunit: add debugfs /sys/kernel/debug/kunit/<suite>/results display kunit: add log test kunit: update documentation to describe debugfs representation Documentation/dev-tools/kunit/usage.rst | 13 ++++ include/kunit/test.h | 54 +++++++++++--- lib/kunit/Kconfig | 8 +++ lib/kunit/Makefile | 4 ++ lib/kunit/debugfs.c | 116 ++++++++++++++++++++++++++++++ lib/kunit/debugfs.h | 30 ++++++++ lib/kunit/kunit-test.c | 31 +++++++- lib/kunit/test.c | 122 ++++++++++++++++++++++++-------- 8 files changed, 336 insertions(+), 42 deletions(-) create mode 100644 lib/kunit/debugfs.c create mode 100644 lib/kunit/debugfs.h -- 1.8.3.1

5 years, 2 months

2
4
0 0

next-20200217 kselftest results

by ci_notify＠linaro.org

Summary ------------------------------------------------------------------------ kernel: 5.6.0-rc2 git repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git branch: master git commit: c25a951c50dca1da4a449a985a9debd82dc18573 git describe: next-20200217 Test details: https://qa-reports.linaro.org/lkft/linux-next-oe/build/next-20200217 Regressions (compared to build next-20200214) ------------------------------------------------------------------------ qemu_arm: kselftest/net: * mptcp_mptcp_connect.sh qemu_x86_64: kselftest: * futex_run.sh i386: kselftest: * net_tcp_fastopen_backup_key.sh * pidfd_pidfd_test * rseq_basic_percpu_ops_test * seccomp_seccomp_benchmark Fixes (compared to build next-20200214) ------------------------------------------------------------------------ qemu_arm64: kselftest: * cgroup_test_freezer In total: ------------------------------------------------------------------------ Ran 1815 total tests in the following environments and test suites. pass 711 fail 871 xfail 0 skip 233 Environments -------------- - dragonboard-410c - arm64 - hi6220-hikey - arm64 - i386 - juno-r2 - arm64 - qemu_arm - qemu_arm64 - qemu_i386 - qemu_x86_64 - x15 - arm - x86_64 Test Suites ----------- * kselftest * kselftest/drivers * kselftest/filesystems * kselftest/net * kselftest/networking * kselftest-vsyscall-mode-native * kselftest-vsyscall-mode-none Failures ------------------------------------------------------------------------ qemu_x86_64: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/futex_run.sh * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pstore_pstore_tests * kselftest/rseq_run_param_test.sh * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests * kselftest/x86_fsgsbase_64 qemu_i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/clone3_clone3_clear_sighand * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/net_xfrm_policy.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rseq_run_param_test.sh * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_arm: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cgroup_test_freezer * kselftest/clone3_clone3_clear_sighand * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net/mptcp_mptcp_connect.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_reuseport_bpf_numa * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rseq_basic_percpu_ops_test * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests qemu_arm64: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_kmod.sh * kselftest/bpf_test_lpm_map * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net/mptcp_mptcp_connect.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_so_txtime.sh * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_fdinfo_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/pstore_pstore_tests * kselftest/rseq_basic_percpu_ops_test * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/sync_sync_test * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests juno-r2: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_sysctl * kselftest/bpf_test_tag * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_verifier * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/cpufreq_main.sh * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_rule_tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_conntrack_icmp_related.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/netfilter_nft_nat.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgro.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_fdinfo_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/pstore_pstore_tests * kselftest/rseq_basic_percpu_ops_test * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests x86: * kselftest-vsyscall-mode-none/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-native/bpf_get_cgroup_id_user * kselftest/bpf_get_cgroup_id_user * kselftest-vsyscall-mode-native/bpf_test_dev_cgroup * kselftest-vsyscall-mode-none/bpf_test_dev_cgroup * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_maps * kselftest-vsyscall-mode-none/bpf_test_maps * kselftest-vsyscall-mode-native/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest-vsyscall-mode-native/bpf_test_netcnt * kselftest-vsyscall-mode-none/bpf_test_netcnt * kselftest-vsyscall-mode-native/bpf_test_progs * kselftest/bpf_test_progs * kselftest-vsyscall-mode-none/bpf_test_progs * kselftest-vsyscall-mode-none/bpf_test_progs-no_alu32 * kselftest-vsyscall-mode-native/bpf_test_progs-no_alu32 * kselftest-vsyscall-mode-none/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-native/bpf_test_sock_addr.sh * kselftest-vsyscall-mode-none/bpf_test_socket_cookie * kselftest-vsyscall-mode-native/bpf_test_socket_cookie * kselftest/bpf_test_socket_cookie * kselftest-vsyscall-mode-none/bpf_test_sock_fields * kselftest-vsyscall-mode-native/bpf_test_sock_fields * kselftest/bpf_test_sock_fields * kselftest-vsyscall-mode-native/bpf_test_sockmap * kselftest-vsyscall-mode-none/bpf_test_sockmap * kselftest/bpf_test_sockmap * kselftest-vsyscall-mode-native/bpf_test_sysctl * kselftest-vsyscall-mode-none/bpf_test_sysctl * kselftest/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-native/bpf_test_tcpbpf_user * kselftest-vsyscall-mode-none/bpf_test_tcpbpf_user * kselftest/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-none/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_test_tcpnotify_user * kselftest-vsyscall-mode-native/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_meta.sh * kselftest-vsyscall-mode-native/bpf_test_xdp_redirect.sh * kselftest-vsyscall-mode-none/bpf_test_xdp_redirect.sh i386: * kselftest/bpf_get_cgroup_id_user * kselftest/bpf_test_dev_cgroup * kselftest/bpf_test_flow_dissector.sh * kselftest/bpf_test_hashmap * kselftest/bpf_test_lwt_ip_encap.sh * kselftest/bpf_test_lwt_seg6local.sh * kselftest/bpf_test_maps * kselftest/bpf_test_netcnt * kselftest/bpf_test_progs * kselftest/bpf_test_progs-no_alu32 * kselftest/bpf_test_skb_cgroup_id.sh * kselftest/bpf_test_sock_addr.sh * kselftest/bpf_test_socket_cookie * kselftest/bpf_test_sock_fields * kselftest/bpf_test_sockmap * kselftest/bpf_test_tc_edt.sh * kselftest/bpf_test_tcpbpf_user * kselftest/bpf_test_tcp_check_syncookie.sh * kselftest/bpf_test_tcpnotify_user * kselftest/bpf_test_tc_tunnel.sh * kselftest/bpf_test_tunnel.sh * kselftest/bpf_test_xdping.sh * kselftest/bpf_test_xdp_meta.sh * kselftest/bpf_test_xdp_redirect.sh * kselftest/bpf_test_xdp_vlan_mode_generic.sh * kselftest/bpf_test_xdp_vlan_mode_native.sh * kselftest/clone3_clone3_clear_sighand * kselftest/firmware_fw_run_tests.sh * kselftest/ftrace_ftracetest * kselftest/intel_pstate_run.sh * kselftest/kvm_clear_dirty_log_test * kselftest/kvm_cr4_cpuid_sync_test * kselftest/kvm_dirty_log_test * kselftest/kvm_evmcs_test * kselftest/kvm_hyperv_cpuid * kselftest/kvm_kvm_create_max_vcpus * kselftest/kvm_mmio_warning_test * kselftest/kvm_platform_info_test * kselftest/kvm_set_sregs_test * kselftest/kvm_smm_test * kselftest/kvm_state_test * kselftest/kvm_svm_vmcall_test * kselftest/kvm_sync_regs_test * kselftest/kvm_vmx_close_while_nested_test * kselftest/kvm_vmx_dirty_log_test * kselftest/kvm_vmx_set_nested_state_test * kselftest/kvm_vmx_tsc_adjust_test * kselftest/kvm_xss_msr_test * kselftest/lkdtm_ACCESS_NULL.sh * kselftest/lkdtm_ACCESS_USERSPACE.sh * kselftest/lkdtm_BUG.sh * kselftest/lkdtm_CFI_FORWARD_PROTO.sh * kselftest/lkdtm_CORRUPT_LIST_ADD.sh * kselftest/lkdtm_CORRUPT_LIST_DEL.sh * kselftest/lkdtm_CORRUPT_USER_DS.sh * kselftest/lkdtm_DOUBLE_FAULT.sh * kselftest/lkdtm_EXCEPTION.sh * kselftest/lkdtm_EXEC_DATA.sh * kselftest/lkdtm_EXEC_KMALLOC.sh * kselftest/lkdtm_EXEC_NULL.sh * kselftest/lkdtm_EXEC_RODATA.sh * kselftest/lkdtm_EXEC_STACK.sh * kselftest/lkdtm_EXEC_USERSPACE.sh * kselftest/lkdtm_EXEC_VMALLOC.sh * kselftest/lkdtm_READ_AFTER_FREE.sh * kselftest/lkdtm_READ_BUDDY_AFTER_FREE.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_ADD_SATURATED.sh * kselftest/lkdtm_REFCOUNT_ADD_ZERO.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_DEC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_DEC_ZERO.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_OVERFLOW.sh * kselftest/lkdtm_REFCOUNT_INC_SATURATED.sh * kselftest/lkdtm_REFCOUNT_INC_ZERO.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE.sh * kselftest/lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED.sh * kselftest/lkdtm_SLAB_FREE_CROSS.sh * kselftest/lkdtm_SLAB_FREE_DOUBLE.sh * kselftest/lkdtm_SLAB_FREE_PAGE.sh * kselftest/lkdtm_STACK_GUARD_PAGE_LEADING.sh * kselftest/lkdtm_STACK_GUARD_PAGE_TRAILING.sh * kselftest/lkdtm_STACKLEAK_ERASING.sh * kselftest/lkdtm_UNALIGNED_LOAD_STORE_WRITE.sh * kselftest/lkdtm_UNSET_SMEP.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_SIZE_TO.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_FROM.sh * kselftest/lkdtm_USERCOPY_HEAP_WHITELIST_TO.sh * kselftest/lkdtm_USERCOPY_KERNEL_DS.sh * kselftest/lkdtm_USERCOPY_KERNEL.sh * kselftest/lkdtm_USERCOPY_STACK_BEYOND.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_FROM.sh * kselftest/lkdtm_USERCOPY_STACK_FRAME_TO.sh * kselftest/lkdtm_WARNING_MESSAGE.sh * kselftest/lkdtm_WARNING.sh * kselftest/lkdtm_WRITE_KERN.sh * kselftest/lkdtm_WRITE_RO_AFTER_INIT.sh * kselftest/lkdtm_WRITE_RO.sh * kselftest/mqueue_mq_perf_tests * kselftest/net_fib-onlink-tests.sh * kselftest/net_fib_tests.sh * kselftest/netfilter_nft_concat_range.sh * kselftest/net_ip_defrag.sh * kselftest/net_l2tp.sh * kselftest/net_pmtu.sh * kselftest/net_psock_snd.sh * kselftest/net_run_netsocktests * kselftest/net_tcp_fastopen_backup_key.sh * kselftest/net_test_vxlan_under_vrf.sh * kselftest/net_traceroute.sh * kselftest/net_udpgro_bench.sh * kselftest/net_udpgso_bench.sh * kselftest/openat2_openat2_test * kselftest/openat2_rename_attack_test * kselftest/openat2_resolve_test * kselftest/pidfd_pidfd_open_test * kselftest/pidfd_pidfd_poll_test * kselftest/pidfd_pidfd_test * kselftest/proc_proc-self-syscall * kselftest/pstore_pstore_tests * kselftest/rseq_basic_percpu_ops_test * kselftest/rseq_run_param_test.sh * kselftest/rtc_rtctest * kselftest/seccomp_seccomp_benchmark * kselftest/seccomp_seccomp_bpf * kselftest/timers_inconsistency-check * kselftest/timers_nsleep-lat * kselftest/timers_raw_skew * kselftest/timers_set-timer-lat * kselftest/networking/timestamping_txtimestamp.sh * kselftest/vm_run_vmtests x15: hi6220-hikey: Skips ------------------------------------------------------------------------ No skips -- Linaro LKFT https://lkft.linaro.org

5 years, 2 months

1
0
0 0

[PATCH v3] Documentation: kunit: Make the KUnit documentation less UML-specific

by David Gow

Remove some of the outmoded "Why KUnit" rationale, and move some UML-specific information to the kunit_tool page. Also update the Getting Started guide to mention running tests without the kunit_tool wrapper. Signed-off-by: David Gow <davidgow(a)google.com> --- Thanks: I've added a note to the "Why KUnit" section which I think better reflects both the UML is optional, and that it can be used both with and without kunit_tool. Changelog: v3: - Added a note that KUnit can be used with UML, both with and without kunit_tool to replace the section moved to kunit_tool. v2: https://lore.kernel.org/linux-kselftest/f99a3d4d-ad65-5fd1-3407-db33f378b1f… - Reinstated the "Why Kunit?" section, minus the comparison with other testing frameworks (covered in the FAQ), and the description of UML. - Moved the description of UML into to kunit_tool page. - Tidied up the wording around how KUnit is built and run to make it work without the UML description. v1: https://lore.kernel.org/linux-kselftest/9c703dea-a9e1-94e2-c12d-3cb0a09e75a… - Initial patch Documentation/dev-tools/kunit/index.rst | 41 ++++++---- Documentation/dev-tools/kunit/kunit-tool.rst | 7 ++ Documentation/dev-tools/kunit/start.rst | 80 ++++++++++++++++---- 3 files changed, 100 insertions(+), 28 deletions(-) diff --git a/Documentation/dev-tools/kunit/index.rst b/Documentation/dev-tools/kunit/index.rst index d16a4d2c3a41..9e77d0c90ff4 100644 --- a/Documentation/dev-tools/kunit/index.rst +++ b/Documentation/dev-tools/kunit/index.rst @@ -17,14 +17,23 @@ What is KUnit? ============== KUnit is a lightweight unit testing and mocking framework for the Linux kernel. -These tests are able to be run locally on a developer's workstation without a VM -or special hardware. KUnit is heavily inspired by JUnit, Python's unittest.mock, and Googletest/Googlemock for C++. KUnit provides facilities for defining unit test cases, grouping related test cases into test suites, providing common infrastructure for running tests, and much more. +KUnit consists of a kernel component, which provides a set of macros for easily +writing unit tests. Tests written against KUnit will run on kernel boot if +built-in, or when loaded if built as a module. These tests write out results to +the kernel log in `TAP <https://testanything.org/>`_ format. + +To make running these tests (and reading the results) easier, KUnit offsers +:doc:`kunit_tool <kunit-tool>`, which builds a `User Mode Linux +<http://user-mode-linux.sourceforge.net>`_ kernel, runs it, and parses the test +results. This provides a quick way of running KUnit tests during development, +without requiring a virtual machine or separate hardware. + Get started now: :doc:`start` Why KUnit? @@ -36,22 +45,21 @@ allow all possible code paths to be tested in the code under test; this is only possible if the code under test is very small and does not have any external dependencies outside of the test's control like hardware. -Outside of KUnit, there are no testing frameworks currently -available for the kernel that do not require installing the kernel on a test -machine or in a VM and all require tests to be written in userspace running on -the kernel; this is true for Autotest, and kselftest, disqualifying -any of them from being considered unit testing frameworks. - -KUnit addresses the problem of being able to run tests without needing a virtual -machine or actual hardware with User Mode Linux. User Mode Linux is a Linux -architecture, like ARM or x86; however, unlike other architectures it compiles -to a standalone program that can be run like any other program directly inside -of a host operating system; to be clear, it does not require any virtualization -support; it is just a regular program. +KUnit provides a common framework for unit tests within the kernel. -Alternatively, kunit and kunit tests can be built as modules and tests will +KUnit tests can be run on most kernel configurations, and most tests are +architecture independent. All built-in KUnit tests run on kernel startup. +Alternatively, KUnit and KUnit tests can be built as modules and tests will run when the test module is loaded. +.. note:: + + KUnit can also run tests without needing a virtual machine or actual + hardware under User Mode Linux. User Mode Linux is a Linux architecture, + like ARM or x86, which compiles the kernel as a Linux executable. KUnit + can be used with UML either by building with ``ARCH=um`` (like any other + architecture), or by using :doc:`kunit_tool <kunit-tool>`. + KUnit is fast. Excluding build time, from invocation to completion KUnit can run several dozen tests in only 10 to 20 seconds; this might not sound like a big deal to some people, but having such fast and easy to run tests fundamentally @@ -75,9 +83,12 @@ someone sends you some code. Why trust that someone ran all their tests correctly on every change when you can just run them yourself in less time than it takes to read their test log? + How do I use it? ================ * :doc:`start` - for new users of KUnit * :doc:`usage` - for a more detailed explanation of KUnit features * :doc:`api/index` - for the list of KUnit APIs used for testing +* :doc:`kunit-tool` - for more information on the kunit_tool helper script +* :doc:`faq` - for answers to some common questions about KUnit diff --git a/Documentation/dev-tools/kunit/kunit-tool.rst b/Documentation/dev-tools/kunit/kunit-tool.rst index 50d46394e97e..949af2da81e5 100644 --- a/Documentation/dev-tools/kunit/kunit-tool.rst +++ b/Documentation/dev-tools/kunit/kunit-tool.rst @@ -12,6 +12,13 @@ the Linux kernel as UML (`User Mode Linux <http://user-mode-linux.sourceforge.net/>`_), running KUnit tests, parsing the test results and displaying them in a user friendly manner. +kunit_tool addresses the problem of being able to run tests without needing a +virtual machine or actual hardware with User Mode Linux. User Mode Linux is a +Linux architecture, like ARM or x86; however, unlike other architectures it +compiles the kernel as a standalone Linux executable that can be run like any +other program directly inside of a host operating system. To be clear, it does +not require any virtualization support: it is just a regular program. + What is a kunitconfig? ====================== diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst index 4e1d24db6b13..e1c5ce80ce12 100644 --- a/Documentation/dev-tools/kunit/start.rst +++ b/Documentation/dev-tools/kunit/start.rst @@ -9,11 +9,10 @@ Installing dependencies KUnit has the same dependencies as the Linux kernel. As long as you can build the kernel, you can run KUnit. -KUnit Wrapper -============= -Included with KUnit is a simple Python wrapper that helps format the output to -easily use and read KUnit output. It handles building and running the kernel, as -well as formatting the output. +Running tests with the KUnit Wrapper +==================================== +Included with KUnit is a simple Python wrapper which runs tests under User Mode +Linux, and formats the test results. The wrapper can be run with: @@ -21,22 +20,42 @@ The wrapper can be run with: ./tools/testing/kunit/kunit.py run --defconfig -For more information on this wrapper (also called kunit_tool) checkout the +For more information on this wrapper (also called kunit_tool) check out the :doc:`kunit-tool` page. Creating a .kunitconfig -======================= -The Python script is a thin wrapper around Kbuild. As such, it needs to be -configured with a ``.kunitconfig`` file. This file essentially contains the -regular Kernel config, with the specific test targets as well. - +----------------------- +If you want to run a specific set of tests (rather than those listed in the +KUnit defconfig), you can provide Kconfig options in the ``.kunitconfig`` file. +This file essentially contains the regular Kernel config, with the specific +test targets as well. The ``.kunitconfig`` should also contain any other config +options required by the tests. + +A good starting point for a ``.kunitconfig`` is the KUnit defconfig: .. code-block:: bash cd $PATH_TO_LINUX_REPO cp arch/um/configs/kunit_defconfig .kunitconfig -Verifying KUnit Works ---------------------- +You can then add any other Kconfig options you wish, e.g.: +.. code-block:: none + + CONFIG_LIST_KUNIT_TEST=y + +:doc:`kunit_tool <kunit-tool>` will ensure that all config options set in +``.kunitconfig`` are set in the kernel ``.config`` before running the tests. +It'll warn you if you haven't included the dependencies of the options you're +using. + +.. note:: + Note that removing something from the ``.kunitconfig`` will not trigger a + rebuild of the ``.config`` file: the configuration is only updated if the + ``.kunitconfig`` is not a subset of ``.config``. This means that you can use + other tools (such as make menuconfig) to adjust other config options. + + +Running the tests +----------------- To make sure that everything is set up correctly, simply invoke the Python wrapper from your kernel repo: @@ -62,6 +81,41 @@ followed by a list of tests that are run. All of them should be passing. Because it is building a lot of sources for the first time, the ``Building KUnit kernel`` step may take a while. +Running tests without the KUnit Wrapper +======================================= + +If you'd rather not use the KUnit Wrapper (if, for example, you need to +integrate with other systems, or use an architecture other than UML), KUnit can +be included in any kernel, and the results read out and parsed manually. + +.. note:: + KUnit is not designed for use in a production system, and it's possible that + tests may reduce the stability or security of the system. + + + +Configuring the kernel +---------------------- + +In order to enable KUnit itself, you simply need to enable the ``CONFIG_KUNIT`` +Kconfig option (it's under Kernel Hacking/Kernel Testing and Coverage in +menuconfig). From there, you can enable any KUnit tests you want: they usually +have config options ending in ``_KUNIT_TEST``. + +KUnit and KUnit tests can be compiled as modules: in this case the tests in a +module will be run when the module is loaded. + +Running the tests +----------------- + +Build and run your kernel as usual. Test output will be written to the kernel +log in `TAP <https://testanything.org/>`_ format. + +.. note:: + It's possible that there will be other lines and/or data interspersed in the + TAP output. + + Writing your first test ======================= -- 2.25.0.265.gbab2e86ba0-goog

5 years, 2 months

2
1
0 0

[RFC PATCH v1] pin_on_cpu: Introduce thread CPU pinning system call

by Mathieu Desnoyers

There is an important use-case which is not possible with the "rseq" (Restartable Sequences) system call, which was left as future work. That use-case is to modify user-space per-cpu data structures belonging to specific CPUs which may be brought offline and online again by CPU hotplug. This can be used by memory allocators to migrate free memory pools when CPUs are brought offline, or by ring buffer consumers to target specific per-CPU buffers, even when CPUs are brought offline. A few rather complex prior attempts were made to solve this. Those were based on in-kernel interpreters (cpu_opv, do_on_cpu). That complexity was generally frowned upon, even by their author. This patch fulfills this use-case in a refreshingly simple way: it introduces a "pin_on_cpu" system call, which allows user-space threads to pin themselves on a specific CPU (which needs to be present in the thread's allowed cpu mask), and then clear this pinned state. "But this can already be done with sched_setaffinity", some would rightfully reply. However, there is a significant twist in the way pin_on_cpu deals with CPU hotplug compared to the allowed cpu mask. When all CPUs part of the thread's allowed cpu mask are offlined, this mask is effectively reset to include all CPUs. This behavior is completely incompatible with modifying per-cpu data structures: the updates then become racy between concurrent CPUs trying to update the given per-cpu data. Conversely, all threads pinned on a given CPU with pin_on_cpu are guaranteed to be scheduled on the same runqueue when that CPU is offline. If that CPU is brought back online, the CPU hotplug scheduler hooks are responsible for migrating back the tasks to their pinned CPU. For instance, this allows implementing this userspace library API for incrementing a per-cpu counter for a specific cpu number received as parameter: static inline __attribute__((always_inline)) int percpu_addv(intptr_t *v, intptr_t count, int cpu) { int ret; ret = rseq_addv(v, count, cpu); check: if (rseq_unlikely(ret)) { pin_on_cpu_set(cpu); ret = rseq_addv(v, count, percpu_current_cpu()); pin_on_cpu_clear(); goto check; } return 0; } Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers(a)efficios.com> Cc: Thomas Gleixner <tglx(a)linutronix.de> Cc: Joel Fernandes <joelaf(a)google.com> Cc: Peter Zijlstra <peterz(a)infradead.org> Cc: Ingo Molnar <mingo(a)redhat.com> Cc: Catalin Marinas <catalin.marinas(a)arm.com> Cc: Dave Watson <davejwatson(a)fb.com> Cc: Will Deacon <will.deacon(a)arm.com> Cc: Shuah Khan <shuah(a)kernel.org> Cc: Andi Kleen <andi(a)firstfloor.org> Cc: linux-kselftest(a)vger.kernel.org Cc: "H . Peter Anvin" <hpa(a)zytor.com> Cc: Chris Lameter <cl(a)linux.com> Cc: Russell King <linux(a)arm.linux.org.uk> Cc: Michael Kerrisk <mtk.manpages(a)gmail.com> Cc: "Paul E . McKenney" <paulmck(a)linux.vnet.ibm.com> Cc: Paul Turner <pjt(a)google.com> Cc: Boqun Feng <boqun.feng(a)gmail.com> Cc: Josh Triplett <josh(a)joshtriplett.org> Cc: Steven Rostedt <rostedt(a)goodmis.org> Cc: Ben Maurer <bmaurer(a)fb.com> Cc: linux-api(a)vger.kernel.org Cc: Andy Lutomirski <luto(a)amacapital.net> --- arch/x86/entry/syscalls/syscall_32.tbl | 1 + arch/x86/entry/syscalls/syscall_64.tbl | 1 + fs/exec.c | 1 + include/linux/sched.h | 1 + include/linux/syscalls.h | 1 + include/uapi/asm-generic/unistd.h | 5 +- include/uapi/linux/sched.h | 6 + init/init_task.c | 1 + kernel/sched/core.c | 321 +++++++++++++++++++++++-- kernel/sched/deadline.c | 54 +++-- kernel/sched/fair.c | 19 ++ kernel/sched/rt.c | 15 +- kernel/sched/sched.h | 28 +++ kernel/sys_ni.c | 1 + 14 files changed, 413 insertions(+), 42 deletions(-) diff --git a/arch/x86/entry/syscalls/syscall_32.tbl b/arch/x86/entry/syscalls/syscall_32.tbl index 15908eb9b17e..0b1081a9b872 100644 --- a/arch/x86/entry/syscalls/syscall_32.tbl +++ b/arch/x86/entry/syscalls/syscall_32.tbl @@ -440,3 +440,4 @@ 433 i386 fspick sys_fspick __ia32_sys_fspick 434 i386 pidfd_open sys_pidfd_open __ia32_sys_pidfd_open 435 i386 clone3 sys_clone3 __ia32_sys_clone3 +436 i386 pin_on_cpu sys_pin_on_cpu __ia32_sys_pin_on_cpu diff --git a/arch/x86/entry/syscalls/syscall_64.tbl b/arch/x86/entry/syscalls/syscall_64.tbl index c29976eca4a8..90f9b3cab88d 100644 --- a/arch/x86/entry/syscalls/syscall_64.tbl +++ b/arch/x86/entry/syscalls/syscall_64.tbl @@ -357,6 +357,7 @@ 433 common fspick __x64_sys_fspick 434 common pidfd_open __x64_sys_pidfd_open 435 common clone3 __x64_sys_clone3/ptregs +436 common pin_on_cpu __x64_sys_pin_on_cpu # # x32-specific system call numbers start at 512 to avoid cache impact diff --git a/fs/exec.c b/fs/exec.c index c27231234764..6d882dbdd1e3 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1827,6 +1827,7 @@ static int __do_execve_file(int fd, struct filename *filename, current->fs->in_exec = 0; current->in_execve = 0; rseq_execve(current); + current->pinned_cpu = -1; acct_update_integrals(current); task_numa_free(current, false); free_bprm(bprm); diff --git a/include/linux/sched.h b/include/linux/sched.h index 7f0bb6fff27c..ac0cac7b8d1d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -651,6 +651,7 @@ struct task_struct { /* Current CPU: */ unsigned int cpu; #endif + int pinned_cpu; unsigned int wakee_flips; unsigned long wakee_flip_decay_ts; struct task_struct *last_wakee; diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index be0d0cf788ba..46fee5af99e3 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -1000,6 +1000,7 @@ asmlinkage long sys_fspick(int dfd, const char __user *path, unsigned int flags) asmlinkage long sys_pidfd_send_signal(int pidfd, int sig, siginfo_t __user *info, unsigned int flags); +asmlinkage long sys_pin_on_cpu(int cmd, int flags, int cpu); /* * Architecture-specific system calls diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 1fc8faa6e973..43b0c956cc3c 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -851,8 +851,11 @@ __SYSCALL(__NR_pidfd_open, sys_pidfd_open) __SYSCALL(__NR_clone3, sys_clone3) #endif +#define __NR_pin_on_cpu 436 +__SYSCALL(__NR_pin_on_cpu, sys_pin_on_cpu) + #undef __NR_syscalls -#define __NR_syscalls 436 +#define __NR_syscalls 437 /* * 32 bit systems traditionally used different diff --git a/include/uapi/linux/sched.h b/include/uapi/linux/sched.h index 25b4fa00bad1..590cdc613698 100644 --- a/include/uapi/linux/sched.h +++ b/include/uapi/linux/sched.h @@ -114,4 +114,10 @@ struct clone_args { SCHED_FLAG_KEEP_ALL | \ SCHED_FLAG_UTIL_CLAMP) +enum pin_on_cpu_cmd { + PIN_ON_CPU_CMD_QUERY = 0, + PIN_ON_CPU_CMD_SET = (1 << 0), + PIN_ON_CPU_CMD_CLEAR = (1 << 1), +}; + #endif /* _UAPI_LINUX_SCHED_H */ diff --git a/init/init_task.c b/init/init_task.c index 9e5cbe5eab7b..9aabce589cc7 100644 --- a/init/init_task.c +++ b/init/init_task.c @@ -88,6 +88,7 @@ struct task_struct init_task .tasks = LIST_HEAD_INIT(init_task.tasks), #ifdef CONFIG_SMP .pushable_tasks = PLIST_NODE_INIT(init_task.pushable_tasks, MAX_PRIO), + .pinned_cpu = -1, #endif #ifdef CONFIG_CGROUP_SCHED .sched_task_group = &root_task_group, diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 8dacda4b0362..6ca904d6e0ef 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -52,6 +52,8 @@ const_debug unsigned int sysctl_sched_features = #undef SCHED_FEAT #endif +#define PIN_ON_CPU_CMD_BITMASK (PIN_ON_CPU_CMD_SET | PIN_ON_CPU_CMD_CLEAR) + /* * Number of tasks to iterate in a single balance run. * Limited because this is done with IRQs disabled. @@ -1457,8 +1459,13 @@ static inline bool is_per_cpu_kthread(struct task_struct *p) */ static inline bool is_cpu_allowed(struct task_struct *p, int cpu) { - if (!cpumask_test_cpu(cpu, p->cpus_ptr)) - return false; + if (is_pinned_task(p)) { + if (!allowed_pinned_cpu(p, cpu)) + return false; + } else { + if (!cpumask_test_cpu(cpu, p->cpus_ptr)) + return false; + } if (is_per_cpu_kthread(p)) return cpu_online(cpu); @@ -1662,6 +1669,12 @@ static int __set_cpus_allowed_ptr(struct task_struct *p, goto out; } + /* Prevent removing the currently pinned CPU from the allowed cpu mask. */ + if (is_pinned_task(p) && !cpumask_test_cpu(p->pinned_cpu, new_mask)) { + ret = -EINVAL; + goto out; + } + do_set_cpus_allowed(p, new_mask); if (p->flags & PF_KTHREAD) { @@ -1674,6 +1687,10 @@ static int __set_cpus_allowed_ptr(struct task_struct *p, p->nr_cpus_allowed != 1); } + /* Task pinned to a CPU overrides allowed cpu mask. */ + if (is_pinned_task(p)) + goto out; + /* Can the task run on the task's current CPU? If so, we're done */ if (cpumask_test_cpu(task_cpu(p), new_mask)) goto out; @@ -1813,11 +1830,20 @@ static int migrate_swap_stop(void *data) if (task_cpu(arg->src_task) != arg->src_cpu) goto unlock; - if (!cpumask_test_cpu(arg->dst_cpu, arg->src_task->cpus_ptr)) - goto unlock; - - if (!cpumask_test_cpu(arg->src_cpu, arg->dst_task->cpus_ptr)) - goto unlock; + if (is_pinned_task(arg->src_task)) { + if (!allowed_pinned_cpu(arg->src_task, arg->dst_cpu)) + goto unlock; + } else { + if (!cpumask_test_cpu(arg->dst_cpu, arg->src_task->cpus_ptr)) + goto unlock; + } + if (is_pinned_task(arg->dst_task)) { + if (!allowed_pinned_cpu(arg->dst_task, arg->src_cpu)) + goto unlock; + } else { + if (!cpumask_test_cpu(arg->src_cpu, arg->dst_task->cpus_ptr)) + goto unlock; + } __migrate_swap_task(arg->src_task, arg->dst_cpu); __migrate_swap_task(arg->dst_task, arg->src_cpu); @@ -1858,11 +1884,21 @@ int migrate_swap(struct task_struct *cur, struct task_struct *p, if (!cpu_active(arg.src_cpu) || !cpu_active(arg.dst_cpu)) goto out; - if (!cpumask_test_cpu(arg.dst_cpu, arg.src_task->cpus_ptr)) - goto out; + if (is_pinned_task(arg.src_task)) { + if (!allowed_pinned_cpu(arg.src_task, arg.dst_cpu)) + goto out; + } else { + if (!cpumask_test_cpu(arg.dst_cpu, arg.src_task->cpus_ptr)) + goto out; + } - if (!cpumask_test_cpu(arg.src_cpu, arg.dst_task->cpus_ptr)) - goto out; + if (is_pinned_task(arg.dst_task)) { + if (!allowed_pinned_cpu(arg.dst_task, arg.src_cpu)) + goto out; + } else { + if (!cpumask_test_cpu(arg.src_cpu, arg.dst_task->cpus_ptr)) + goto out; + } trace_sched_swap_numa(cur, arg.src_cpu, p, arg.dst_cpu); ret = stop_two_cpus(arg.dst_cpu, arg.src_cpu, migrate_swap_stop, &arg); @@ -2034,6 +2070,18 @@ static int select_fallback_rq(int cpu, struct task_struct *p) enum { cpuset, possible, fail } state = cpuset; int dest_cpu; + /* + * If the task is pinned to a CPU which is online, pick that pinned CPU + * number. + * If the task is pinned to a CPU which is offline, pick a CPU which is + * guaranteed to be the same for all tasks pinned to that offlined CPU. + */ + if (is_pinned_task(p)) { + if (cpu_online(p->pinned_cpu)) + return p->pinned_cpu; + else + return pinned_cpu_offline_offload(p); + } /* * If the node that the CPU is on has been offlined, cpu_to_node() * will return -1. There is no CPU on the node, and we should @@ -2104,10 +2152,15 @@ int select_task_rq(struct task_struct *p, int cpu, int sd_flags, int wake_flags) { lockdep_assert_held(&p->pi_lock); - if (p->nr_cpus_allowed > 1) - cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, wake_flags); - else - cpu = cpumask_any(p->cpus_ptr); + if (is_pinned_task(p)) + cpu = p->pinned_cpu; + else { + if (p->nr_cpus_allowed > 1) + cpu = p->sched_class->select_task_rq(p, cpu, sd_flags, + wake_flags); + else + cpu = cpumask_any(p->cpus_ptr); + } /* * In order not to call set_task_cpu() on a blocking task we need @@ -6130,8 +6183,13 @@ int migrate_task_to(struct task_struct *p, int target_cpu) if (curr_cpu == target_cpu) return 0; - if (!cpumask_test_cpu(target_cpu, p->cpus_ptr)) - return -EINVAL; + if (is_pinned_task(p)) { + if (!allowed_pinned_cpu(p, target_cpu)) + return -EINVAL; + } else { + if (!cpumask_test_cpu(target_cpu, p->cpus_ptr)) + return -EINVAL; + } /* TODO: This is not properly updating schedstats */ @@ -6300,6 +6358,7 @@ static void migrate_tasks(struct rq *dead_rq, struct rq_flags *rf) rq->stop = stop; } + #endif /* CONFIG_HOTPLUG_CPU */ void set_rq_online(struct rq *rq) @@ -6380,11 +6439,100 @@ static int cpuset_cpu_inactive(unsigned int cpu) return 0; } +static bool skip_pinned_task(int pinned_cpu, int cpu, + bool first_online) +{ + if (pinned_cpu < 0) + return true; + if (first_online) { + if (cpu_online(pinned_cpu) && pinned_cpu != cpu) + return true; + } else { + if (pinned_cpu != cpu) + return true; + } + return false; +} + +static void sched_cpu_migrate_pinned_tasks(unsigned int cpu) +{ + struct rq *rq = cpu_rq(cpu); + struct task_struct *p, *t; + bool first_online = false; + + if (cpu == cpumask_first(cpu_online_mask)) + first_online = true; + + /* + * This state transition (online && !active) when going online + * only allow bound kthreads to be scheduled. + * At this point, the CPU is completely online and running, + * but no userspace tasks are scheduled yet. + */ + read_lock(&tasklist_lock); + for_each_process_thread(p, t) { + struct rq *target_rq; + struct rq_flags rf; + int pinned_cpu; + + /* + * Migrate t to cpu if pinned to this cpu. + * + * Migrate t to cpu if its pinned cpu is offline + * and cpu becomes the new first online cpu. + * + * Transition of t->pinned_cpu to cpu can only + * happen if the thread is scheduled on cpu, which + * is impossible at this point because the cpu is + * not active. + * + * Transition of t->pinned_cpu from cpu to -1 or some + * other cpu number may happen concurrently. Therefore, + * skip early (without rq lock), and check again with + * the rq lock held to eliminate concurrent transitions + * from cpu to -1 or some other cpu number. + */ + pinned_cpu = READ_ONCE(t->pinned_cpu); + if (skip_pinned_task(pinned_cpu, cpu, first_online)) + continue; + if (pinned_cpu == cpu) + printk("pin_on_cpu migrate to owner: online cpu %d\n", + cpu); + if (first_online && !cpu_online(pinned_cpu)) + printk("pin_on_cpu migrate to new offload cpu %d\n", + cpu); + target_rq = task_rq_lock(t, &rf); + pinned_cpu = t->pinned_cpu; + if (skip_pinned_task(pinned_cpu, cpu, first_online)) + goto unlock; + WARN_ON_ONCE(target_rq == rq); + update_rq_clock(target_rq); + if (task_running(target_rq, t) || t->state == TASK_WAKING) { + struct migration_arg arg = { t, cpu }; + /* Need help from migration thread: drop lock and wait. */ + task_rq_unlock(target_rq, t, &rf); + stop_one_cpu(cpu_of(target_rq), migration_cpu_stop, &arg); + continue; + } else if (task_on_rq_queued(t)) { + /* + * OK, since we're going to drop the lock immediately + * afterwards anyway. + */ + rq = move_queued_task(target_rq, &rf, t, cpu); + } + unlock: + task_rq_unlock(target_rq, t, &rf); + } + read_unlock(&tasklist_lock); +} + int sched_cpu_activate(unsigned int cpu) { struct rq *rq = cpu_rq(cpu); struct rq_flags rf; + sched_cpu_migrate_pinned_tasks(cpu); + #ifdef CONFIG_SCHED_SMT /* * When going up, increment the number of cores with SMT present. @@ -7899,6 +8047,145 @@ struct cgroup_subsys cpu_cgrp_subsys = { #endif /* CONFIG_CGROUP_SCHED */ +static void do_set_pinned_cpu(struct task_struct *p, int cpu) +{ + struct rq *rq = task_rq(p); + bool queued, running; + + lockdep_assert_held(&p->pi_lock); + + queued = task_on_rq_queued(p); + running = task_current(rq, p); + + if (queued) { + /* + * Because __kthread_bind() calls this on blocked tasks without + * holding rq->lock. + */ + lockdep_assert_held(&rq->lock); + dequeue_task(rq, p, DEQUEUE_SAVE | DEQUEUE_NOCLOCK); + } + if (running) + put_prev_task(rq, p); + + WRITE_ONCE(p->pinned_cpu, cpu); + + if (queued) + enqueue_task(rq, p, ENQUEUE_RESTORE | ENQUEUE_NOCLOCK); + if (running) + set_next_task(rq, p); +} + +static int __do_pin_on_cpu(int cpu) +{ + struct task_struct *p = current; + struct rq_flags rf; + struct rq *rq; + int ret = 0, dest_cpu; + struct migration_arg arg = { p }; + + cpus_read_lock(); + rq = task_rq_lock(p, &rf); + update_rq_clock(rq); + if (cpu >= 0 && !cpumask_test_cpu(cpu, current->cpus_ptr)) { + ret = -EINVAL; + goto out; + } +#ifdef CONFIG_SMP + do_set_pinned_cpu(p, cpu); + if (cpu >= 0) { + if (cpu_online(cpu)) + dest_cpu = cpu; + else + dest_cpu = pinned_cpu_offline_offload(p); + if (task_cpu(p) == dest_cpu) { + /* + * If the task already runs on the pinned cpu, we're + * done. + */ + goto out; + } + } else { + /* + * When clearing the pinned cpu, we may need to migrate the + * current task if it is currently sitting on a runqueue which + * does not belong to the allowed mask. + */ + dest_cpu = cpumask_any(p->cpus_ptr); + } + arg.dest_cpu = dest_cpu; + /* Need help from migration thread: drop lock and wait. */ + task_rq_unlock(rq, p, &rf); + stop_one_cpu(cpu_of(rq), migration_cpu_stop, &arg); + + /* Preempt disable prevents hotplug on current cpu. */ + preempt_disable(); + WARN_ON_ONCE(cpu >= 0 && cpu_online(cpu) && + smp_processor_id() != cpu); + preempt_enable(); + cpus_read_unlock(); + return 0; +#endif +out: + task_rq_unlock(rq, p, &rf); + cpus_read_unlock(); + return ret; +} + +static int pin_on_cpu_set(int cpu) +{ + if (cpu < 0 || !cpu_possible(cpu)) { + return -EINVAL; + } + return __do_pin_on_cpu(cpu); +} + +static int pin_on_cpu_clear(void) +{ + return __do_pin_on_cpu(-1); +} + +/* + * sys_pin_on_cpu - pin current task to a specific cpu. + * @cmd: command to issue (enum pin_on_cpu_cmd) + * @flags: system call flags + * @cpu: cpu where the task should run. + * + * Returns -EINVAL if cmd is unknown. + * Returns -EINVAL if flags are unknown. + * Returns -EINVAL if the CPU is not part of the possible CPUs. + * Returns -EINVAL if the CPU is not part of the allowed cpu mask + * for the current task. + * + * PIN_ON_CPU_CMD_QUERY: Return the mask of supported commands. + * PIN_ON_CPU_CMD_SET: Pin the current task to a specific CPU. + * PIN_ON_CPU_CMD_CLEAR: Clear cpu pinning for current task. + * + * If the pinned CPU is online, the current task will run on that CPU. + * + * If the pinned CPU is offline, the scheduler guarantees that + * all tasks pinned to that CPU number are moved to the same + * runqueue. + * + * Removing the pinned CPU from the task's allowed cpu mask is + * forbidden. + */ +SYSCALL_DEFINE3(pin_on_cpu, int, cmd, int, flags, int, cpu) +{ + if (unlikely(flags)) + return -EINVAL; + switch (cmd) { + case PIN_ON_CPU_CMD_QUERY: + return PIN_ON_CPU_CMD_BITMASK; + case PIN_ON_CPU_CMD_SET: + return pin_on_cpu_set(cpu); + case PIN_ON_CPU_CMD_CLEAR: + return pin_on_cpu_clear(); + default: + return -EINVAL; + } +} + void dump_cpu_task(int cpu) { pr_info("Task dump for CPU %d:\n", cpu); diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index a8a08030a8f7..8a1581e8509e 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -535,24 +535,31 @@ static struct rq *dl_task_offline_migration(struct rq *rq, struct task_struct *p if (!later_rq) { int cpu; - /* - * If we cannot preempt any rq, fall back to pick any - * online CPU: - */ - cpu = cpumask_any_and(cpu_active_mask, p->cpus_ptr); - if (cpu >= nr_cpu_ids) { - /* - * Failed to find any suitable CPU. - * The task will never come back! - */ - BUG_ON(dl_bandwidth_enabled()); - + if (is_pinned_task(p)) { + if (cpu_online(p->pinned_cpu)) + cpu = p->pinned_cpu; + else + cpu = pinned_cpu_offline_offload(p); + } else { /* - * If admission control is disabled we - * try a little harder to let the task - * run. + * If we cannot preempt any rq, fall back to pick any + * online CPU: */ - cpu = cpumask_any(cpu_active_mask); + cpu = cpumask_any_and(cpu_active_mask, p->cpus_ptr); + if (cpu >= nr_cpu_ids) { + /* + * Failed to find any suitable CPU. + * The task will never come back! + */ + BUG_ON(dl_bandwidth_enabled()); + + /* + * If admission control is disabled we + * try a little harder to let the task + * run. + */ + cpu = cpumask_any(cpu_active_mask); + } } later_rq = cpu_rq(cpu); double_lock_balance(rq, later_rq); @@ -1836,9 +1843,15 @@ static void task_fork_dl(struct task_struct *p) static int pick_dl_task(struct rq *rq, struct task_struct *p, int cpu) { - if (!task_running(rq, p) && - cpumask_test_cpu(cpu, p->cpus_ptr)) - return 1; + if (!task_running(rq, p)) { + if (is_pinned_task(p)) { + if (allowed_pinned_cpu(p, cpu)) + return 1; + } else { + if (cpumask_test_cpu(cpu, p->cpus_ptr)) + return 1; + } + } return 0; } @@ -1987,7 +2000,8 @@ static struct rq *find_lock_later_rq(struct task_struct *task, struct rq *rq) /* Retry if something changed. */ if (double_lock_balance(rq, later_rq)) { if (unlikely(task_rq(task) != rq || - !cpumask_test_cpu(later_rq->cpu, task->cpus_ptr) || + (is_pinned_task(task) && !allowed_pinned_cpu(task, later_rq->cpu)) || + (!is_pinned_task(task) && !cpumask_test_cpu(later_rq->cpu, task->cpus_ptr)) || task_running(rq, task) || !dl_task(task) || !task_on_rq_queued(task))) { diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 69a81a5709ff..e96ae1ce9829 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -7223,6 +7223,25 @@ int can_migrate_task(struct task_struct *p, struct lb_env *env) lockdep_assert_held(&env->src_rq->lock); + if (is_pinned_task(p)) { + if (task_running(env->src_rq, p)) { + schedstat_inc(p->se.statistics.nr_failed_migrations_running); + return 0; + } + if (cpu_online(p->pinned_cpu)) { + if (env->dst_cpu == p->pinned_cpu) + return 1; + else + return 0; + } else { + if (env->dst_cpu == + pinned_cpu_offline_offload(p)) + return 1; + else + return 0; + } + } + /* * We do not migrate tasks that are: * 1) throttled_lb_pair, or diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 9b8adc01be3d..2774311e5750 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -1600,9 +1600,15 @@ static void put_prev_task_rt(struct rq *rq, struct task_struct *p) static int pick_rt_task(struct rq *rq, struct task_struct *p, int cpu) { - if (!task_running(rq, p) && - cpumask_test_cpu(cpu, p->cpus_ptr)) - return 1; + if (!task_running(rq, p)) { + if (is_pinned_task(p)) { + if (allowed_pinned_cpu(p, cpu)) + return 1; + } else { + if (cpumask_test_cpu(cpu, p->cpus_ptr)) + return 1; + } + } return 0; } @@ -1738,7 +1744,8 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq) * Also make sure that it wasn't scheduled on its rq. */ if (unlikely(task_rq(task) != rq || - !cpumask_test_cpu(lowest_rq->cpu, task->cpus_ptr) || + (is_pinned_task(task) && !allowed_pinned_cpu(task, lowest_rq->cpu)) || + (!is_pinned_task(task) && !cpumask_test_cpu(lowest_rq->cpu, task->cpus_ptr)) || task_running(rq, task) || !rt_task(task) || !task_on_rq_queued(task))) { diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 49ed949f850c..922bc618cc87 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -187,6 +187,34 @@ static inline int task_has_dl_policy(struct task_struct *p) return dl_policy(p->policy); } +/* + * All tasks which require to be pinned on offlined CPUs are sent + * to runqueue of the first online CPU. + */ +static inline bool is_pinned_task(struct task_struct *p) +{ + return p->pinned_cpu >= 0; +} + +static inline int pinned_cpu_offline_offload(struct task_struct *p) +{ + return cpumask_first(cpu_online_mask); +} + +static inline bool allowed_pinned_cpu(struct task_struct *p, int cpu) +{ + if (!cpu_possible(cpu)) + return false; + if (cpu_online(p->pinned_cpu)) { + if (p->pinned_cpu == cpu) + return true; + } else { + if (cpu == pinned_cpu_offline_offload(p)) + return true; + } + return false; +} + #define cap_scale(v, s) ((v)*(s) >> SCHED_CAPACITY_SHIFT) /* diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 34b76895b81e..7e5192cd8d9d 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -449,3 +449,4 @@ COND_SYSCALL(setuid16); /* restartable sequence */ COND_SYSCALL(rseq); +COND_SYSCALL(pin_on_cpu); -- 2.17.1

5 years, 3 months

5
12
0 0

[PATCH AUTOSEL 4.14 032/186] kselftest: Minimise dependency of get_size on C library interfaces

by Sasha Levin

From: Siddhesh Poyarekar <siddhesh(a)gotplt.org> [ Upstream commit 6b64a650f0b2ae3940698f401732988699eecf7a ] It was observed[1] on arm64 that __builtin_strlen led to an infinite loop in the get_size selftest. This is because __builtin_strlen (and other builtins) may sometimes result in a call to the C library function. The C library implementation of strlen uses an IFUNC resolver to load the most efficient strlen implementation for the underlying machine and hence has a PLT indirection even for static binaries. Because this binary avoids the C library startup routines, the PLT initialization never happens and hence the program gets stuck in an infinite loop. On x86_64 the __builtin_strlen just happens to expand inline and avoid the call but that is not always guaranteed. Further, while testing on x86_64 (Fedora 31), it was observed that the test also failed with a segfault inside write() because the generated code for the write function in glibc seems to access TLS before the syscall (probably due to the cancellation point check) and fails because TLS is not initialised. To mitigate these problems, this patch reduces the interface with the C library to just the syscall function. The syscall function still sets errno on failure, which is undesirable but for now it only affects cases where syscalls fail. [1] https://bugs.linaro.org/show_bug.cgi?id=5479 Signed-off-by: Siddhesh Poyarekar <siddhesh(a)gotplt.org> Reported-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Tested-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Reviewed-by: Tim Bird <tim.bird(a)sony.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/size/get_size.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/size/get_size.c b/tools/testing/selftests/size/get_size.c index d4b59ab979a09..f55943b6d1e2a 100644 --- a/tools/testing/selftests/size/get_size.c +++ b/tools/testing/selftests/size/get_size.c @@ -12,23 +12,35 @@ * own execution. It also attempts to have as few dependencies * on kernel features as possible. * - * It should be statically linked, with startup libs avoided. - * It uses no library calls, and only the following 3 syscalls: + * It should be statically linked, with startup libs avoided. It uses + * no library calls except the syscall() function for the following 3 + * syscalls: * sysinfo(), write(), and _exit() * * For output, it avoids printf (which in some C libraries * has large external dependencies) by implementing it's own * number output and print routines, and using __builtin_strlen() + * + * The test may crash if any of the above syscalls fails because in some + * libc implementations (e.g. the GNU C Library) errno is saved in + * thread-local storage, which does not get initialized due to avoiding + * startup libs. */ #include <sys/sysinfo.h> #include <unistd.h> +#include <sys/syscall.h> #define STDOUT_FILENO 1 static int print(const char *s) { - return write(STDOUT_FILENO, s, __builtin_strlen(s)); + size_t len = 0; + + while (s[len] != '\0') + len++; + + return syscall(SYS_write, STDOUT_FILENO, s, len); } static inline char *num_to_str(unsigned long num, char *buf, int len) @@ -80,12 +92,12 @@ void _start(void) print("TAP version 13\n"); print("# Testing system size.\n"); - ccode = sysinfo(&info); + ccode = syscall(SYS_sysinfo, &info); if (ccode < 0) { print("not ok 1"); print(test_name); print(" ---\n reason: \"could not get sysinfo\"\n ...\n"); - _exit(ccode); + syscall(SYS_exit, ccode); } print("ok 1"); print(test_name); @@ -101,5 +113,5 @@ void _start(void) print(" ...\n"); print("1..1\n"); - _exit(0); + syscall(SYS_exit, 0); } -- 2.20.1

5 years, 3 months

1
0
0 0

[PATCH AUTOSEL 4.19 215/252] selftests: bpf: Reset global state between reuseport test runs

by Sasha Levin

From: Lorenz Bauer <lmb(a)cloudflare.com> [ Upstream commit 51bad0f05616c43d6d34b0a19bcc9bdab8e8fb39 ] Currently, there is a lot of false positives if a single reuseport test fails. This is because expected_results and the result map are not cleared. Zero both after individual test runs, which fixes the mentioned false positives. Fixes: 91134d849a0e ("bpf: Test BPF_PROG_TYPE_SK_REUSEPORT") Signed-off-by: Lorenz Bauer <lmb(a)cloudflare.com> Signed-off-by: Daniel Borkmann <daniel(a)iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub(a)cloudflare.com> Acked-by: Martin KaFai Lau <kafai(a)fb.com> Acked-by: John Fastabend <john.fastabend(a)gmail.com> Link: https://lore.kernel.org/bpf/20200124112754.19664-5-lmb@cloudflare.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- .../selftests/bpf/test_select_reuseport.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/test_select_reuseport.c b/tools/testing/selftests/bpf/test_select_reuseport.c index 75646d9b34aaa..cdbbdab2725fc 100644 --- a/tools/testing/selftests/bpf/test_select_reuseport.c +++ b/tools/testing/selftests/bpf/test_select_reuseport.c @@ -30,7 +30,7 @@ #define REUSEPORT_ARRAY_SIZE 32 static int result_map, tmp_index_ovr_map, linum_map, data_check_map; -static enum result expected_results[NR_RESULTS]; +static __u32 expected_results[NR_RESULTS]; static int sk_fds[REUSEPORT_ARRAY_SIZE]; static int reuseport_array, outer_map; static int select_by_skb_data_prog; @@ -610,7 +610,19 @@ static void setup_per_test(int type, unsigned short family, bool inany) static void cleanup_per_test(void) { - int i, err; + int i, err, zero = 0; + + memset(expected_results, 0, sizeof(expected_results)); + + for (i = 0; i < NR_RESULTS; i++) { + err = bpf_map_update_elem(result_map, &i, &zero, BPF_ANY); + RET_IF(err, "reset elem in result_map", + "i:%u err:%d errno:%d\n", i, err, errno); + } + + err = bpf_map_update_elem(linum_map, &zero, &zero, BPF_ANY); + RET_IF(err, "reset line number in linum_map", "err:%d errno:%d\n", + err, errno); for (i = 0; i < REUSEPORT_ARRAY_SIZE; i++) close(sk_fds[i]); -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 4.19 033/252] kselftest: Minimise dependency of get_size on C library interfaces

by Sasha Levin

From: Siddhesh Poyarekar <siddhesh(a)gotplt.org> [ Upstream commit 6b64a650f0b2ae3940698f401732988699eecf7a ] It was observed[1] on arm64 that __builtin_strlen led to an infinite loop in the get_size selftest. This is because __builtin_strlen (and other builtins) may sometimes result in a call to the C library function. The C library implementation of strlen uses an IFUNC resolver to load the most efficient strlen implementation for the underlying machine and hence has a PLT indirection even for static binaries. Because this binary avoids the C library startup routines, the PLT initialization never happens and hence the program gets stuck in an infinite loop. On x86_64 the __builtin_strlen just happens to expand inline and avoid the call but that is not always guaranteed. Further, while testing on x86_64 (Fedora 31), it was observed that the test also failed with a segfault inside write() because the generated code for the write function in glibc seems to access TLS before the syscall (probably due to the cancellation point check) and fails because TLS is not initialised. To mitigate these problems, this patch reduces the interface with the C library to just the syscall function. The syscall function still sets errno on failure, which is undesirable but for now it only affects cases where syscalls fail. [1] https://bugs.linaro.org/show_bug.cgi?id=5479 Signed-off-by: Siddhesh Poyarekar <siddhesh(a)gotplt.org> Reported-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Tested-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Reviewed-by: Tim Bird <tim.bird(a)sony.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/size/get_size.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/size/get_size.c b/tools/testing/selftests/size/get_size.c index d4b59ab979a09..f55943b6d1e2a 100644 --- a/tools/testing/selftests/size/get_size.c +++ b/tools/testing/selftests/size/get_size.c @@ -12,23 +12,35 @@ * own execution. It also attempts to have as few dependencies * on kernel features as possible. * - * It should be statically linked, with startup libs avoided. - * It uses no library calls, and only the following 3 syscalls: + * It should be statically linked, with startup libs avoided. It uses + * no library calls except the syscall() function for the following 3 + * syscalls: * sysinfo(), write(), and _exit() * * For output, it avoids printf (which in some C libraries * has large external dependencies) by implementing it's own * number output and print routines, and using __builtin_strlen() + * + * The test may crash if any of the above syscalls fails because in some + * libc implementations (e.g. the GNU C Library) errno is saved in + * thread-local storage, which does not get initialized due to avoiding + * startup libs. */ #include <sys/sysinfo.h> #include <unistd.h> +#include <sys/syscall.h> #define STDOUT_FILENO 1 static int print(const char *s) { - return write(STDOUT_FILENO, s, __builtin_strlen(s)); + size_t len = 0; + + while (s[len] != '\0') + len++; + + return syscall(SYS_write, STDOUT_FILENO, s, len); } static inline char *num_to_str(unsigned long num, char *buf, int len) @@ -80,12 +92,12 @@ void _start(void) print("TAP version 13\n"); print("# Testing system size.\n"); - ccode = sysinfo(&info); + ccode = syscall(SYS_sysinfo, &info); if (ccode < 0) { print("not ok 1"); print(test_name); print(" ---\n reason: \"could not get sysinfo\"\n ...\n"); - _exit(ccode); + syscall(SYS_exit, ccode); } print("ok 1"); print(test_name); @@ -101,5 +113,5 @@ void _start(void) print(" ...\n"); print("1..1\n"); - _exit(0); + syscall(SYS_exit, 0); } -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.4 401/459] selftests/eeh: Bump EEH wait time to 60s

by Sasha Levin

From: Oliver O'Halloran <oohall(a)gmail.com> [ Upstream commit 414f50434aa2463202a5b35e844f4125dd1a7101 ] Some newer cards supported by aacraid can take up to 40s to recover after an EEH event. This causes spurious failures in the basic EEH self-test since the current maximim timeout is only 30s. Fix the immediate issue by bumping the timeout to a default of 60s, and allow the wait time to be specified via an environmental variable (EEH_MAX_WAIT). Reported-by: Steve Best <sbest(a)redhat.com> Suggested-by: Douglas Miller <dougmill(a)us.ibm.com> Signed-off-by: Oliver O'Halloran <oohall(a)gmail.com> Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> Link: https://lore.kernel.org/r/20200122031125.25991-1-oohall@gmail.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/powerpc/eeh/eeh-functions.sh | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/powerpc/eeh/eeh-functions.sh b/tools/testing/selftests/powerpc/eeh/eeh-functions.sh index 26112ab5cdf42..f52ed92b53e74 100755 --- a/tools/testing/selftests/powerpc/eeh/eeh-functions.sh +++ b/tools/testing/selftests/powerpc/eeh/eeh-functions.sh @@ -53,9 +53,13 @@ eeh_one_dev() { # is a no-op. echo $dev >/sys/kernel/debug/powerpc/eeh_dev_check - # Enforce a 30s timeout for recovery. Even the IPR, which is infamously - # slow to reset, should recover within 30s. - max_wait=30 + # Default to a 60s timeout when waiting for a device to recover. This + # is an arbitrary default which can be overridden by setting the + # EEH_MAX_WAIT environmental variable when required. + + # The current record holder for longest recovery time is: + # "Adaptec Series 8 12G SAS/PCIe 3" at 39 seconds + max_wait=${EEH_MAX_WAIT:=60} for i in `seq 0 ${max_wait}` ; do if pe_ok $dev ; then -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.4 397/459] selftests: bpf: Reset global state between reuseport test runs

by Sasha Levin

From: Lorenz Bauer <lmb(a)cloudflare.com> [ Upstream commit 51bad0f05616c43d6d34b0a19bcc9bdab8e8fb39 ] Currently, there is a lot of false positives if a single reuseport test fails. This is because expected_results and the result map are not cleared. Zero both after individual test runs, which fixes the mentioned false positives. Fixes: 91134d849a0e ("bpf: Test BPF_PROG_TYPE_SK_REUSEPORT") Signed-off-by: Lorenz Bauer <lmb(a)cloudflare.com> Signed-off-by: Daniel Borkmann <daniel(a)iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub(a)cloudflare.com> Acked-by: Martin KaFai Lau <kafai(a)fb.com> Acked-by: John Fastabend <john.fastabend(a)gmail.com> Link: https://lore.kernel.org/bpf/20200124112754.19664-5-lmb@cloudflare.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- .../selftests/bpf/test_select_reuseport.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/test_select_reuseport.c b/tools/testing/selftests/bpf/test_select_reuseport.c index 7566c13eb51a7..079d0f5a29091 100644 --- a/tools/testing/selftests/bpf/test_select_reuseport.c +++ b/tools/testing/selftests/bpf/test_select_reuseport.c @@ -30,7 +30,7 @@ #define REUSEPORT_ARRAY_SIZE 32 static int result_map, tmp_index_ovr_map, linum_map, data_check_map; -static enum result expected_results[NR_RESULTS]; +static __u32 expected_results[NR_RESULTS]; static int sk_fds[REUSEPORT_ARRAY_SIZE]; static int reuseport_array, outer_map; static int select_by_skb_data_prog; @@ -662,7 +662,19 @@ static void setup_per_test(int type, unsigned short family, bool inany) static void cleanup_per_test(void) { - int i, err; + int i, err, zero = 0; + + memset(expected_results, 0, sizeof(expected_results)); + + for (i = 0; i < NR_RESULTS; i++) { + err = bpf_map_update_elem(result_map, &i, &zero, BPF_ANY); + RET_IF(err, "reset elem in result_map", + "i:%u err:%d errno:%d\n", i, err, errno); + } + + err = bpf_map_update_elem(linum_map, &zero, &zero, BPF_ANY); + RET_IF(err, "reset line number in linum_map", "err:%d errno:%d\n", + err, errno); for (i = 0; i < REUSEPORT_ARRAY_SIZE; i++) close(sk_fds[i]); -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.4 183/459] selftests/net: make so_txtime more robust to timer variance

by Sasha Levin

From: Willem de Bruijn <willemb(a)google.com> [ Upstream commit ea6a547669b37453f2b1a5d85188d75b3613dfaa ] The SO_TXTIME test depends on accurate timers. In some virtualized environments the test has been reported to be flaky. This is easily reproduced by disabling kvm acceleration in Qemu. Allow greater variance in a run and retry to further reduce flakiness. Observed errors are one of two kinds: either the packet arrives too early or late at recv(), or it was dropped in the qdisc itself and the recv() call times out. In the latter case, the qdisc queues a notification to the error queue of the send socket. Also explicitly report this cause. Link: https://lore.kernel.org/netdev/CA+FuTSdYOnJCsGuj43xwV1jxvYsaoa_LzHQF9qMyhrk… Reported-by: Naresh Kamboju <naresh.kamboju(a)linaro.org> Signed-off-by: Willem de Bruijn <willemb(a)google.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/net/so_txtime.c | 84 +++++++++++++++++++++++- tools/testing/selftests/net/so_txtime.sh | 9 ++- 2 files changed, 88 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/net/so_txtime.c b/tools/testing/selftests/net/so_txtime.c index 34df4c8882afb..383bac05ac324 100644 --- a/tools/testing/selftests/net/so_txtime.c +++ b/tools/testing/selftests/net/so_txtime.c @@ -12,7 +12,11 @@ #include <arpa/inet.h> #include <error.h> #include <errno.h> +#include <inttypes.h> #include <linux/net_tstamp.h> +#include <linux/errqueue.h> +#include <linux/ipv6.h> +#include <linux/tcp.h> #include <stdbool.h> #include <stdlib.h> #include <stdio.h> @@ -28,7 +32,7 @@ static int cfg_clockid = CLOCK_TAI; static bool cfg_do_ipv4; static bool cfg_do_ipv6; static uint16_t cfg_port = 8000; -static int cfg_variance_us = 2000; +static int cfg_variance_us = 4000; static uint64_t glob_tstart; @@ -43,6 +47,9 @@ static struct timed_send cfg_in[MAX_NUM_PKT]; static struct timed_send cfg_out[MAX_NUM_PKT]; static int cfg_num_pkt; +static int cfg_errq_level; +static int cfg_errq_type; + static uint64_t gettime_ns(void) { struct timespec ts; @@ -90,13 +97,15 @@ static void do_send_one(int fdt, struct timed_send *ts) } -static void do_recv_one(int fdr, struct timed_send *ts) +static bool do_recv_one(int fdr, struct timed_send *ts) { int64_t tstop, texpect; char rbuf[2]; int ret; ret = recv(fdr, rbuf, sizeof(rbuf), 0); + if (ret == -1 && errno == EAGAIN) + return true; if (ret == -1) error(1, errno, "read"); if (ret != 1) @@ -113,6 +122,8 @@ static void do_recv_one(int fdr, struct timed_send *ts) if (labs(tstop - texpect) > cfg_variance_us) error(1, 0, "exceeds variance (%d us)", cfg_variance_us); + + return false; } static void do_recv_verify_empty(int fdr) @@ -125,12 +136,70 @@ static void do_recv_verify_empty(int fdr) error(1, 0, "recv: not empty as expected (%d, %d)", ret, errno); } +static void do_recv_errqueue_timeout(int fdt) +{ + char control[CMSG_SPACE(sizeof(struct sock_extended_err)) + + CMSG_SPACE(sizeof(struct sockaddr_in6))] = {0}; + char data[sizeof(struct ipv6hdr) + + sizeof(struct tcphdr) + 1]; + struct sock_extended_err *err; + struct msghdr msg = {0}; + struct iovec iov = {0}; + struct cmsghdr *cm; + int64_t tstamp = 0; + int ret; + + iov.iov_base = data; + iov.iov_len = sizeof(data); + + msg.msg_iov = &iov; + msg.msg_iovlen = 1; + + msg.msg_control = control; + msg.msg_controllen = sizeof(control); + + while (1) { + ret = recvmsg(fdt, &msg, MSG_ERRQUEUE); + if (ret == -1 && errno == EAGAIN) + break; + if (ret == -1) + error(1, errno, "errqueue"); + if (msg.msg_flags != MSG_ERRQUEUE) + error(1, 0, "errqueue: flags 0x%x\n", msg.msg_flags); + + cm = CMSG_FIRSTHDR(&msg); + if (cm->cmsg_level != cfg_errq_level || + cm->cmsg_type != cfg_errq_type) + error(1, 0, "errqueue: type 0x%x.0x%x\n", + cm->cmsg_level, cm->cmsg_type); + + err = (struct sock_extended_err *)CMSG_DATA(cm); + if (err->ee_origin != SO_EE_ORIGIN_TXTIME) + error(1, 0, "errqueue: origin 0x%x\n", err->ee_origin); + if (err->ee_code != ECANCELED) + error(1, 0, "errqueue: code 0x%x\n", err->ee_code); + + tstamp = ((int64_t) err->ee_data) << 32 | err->ee_info; + tstamp -= (int64_t) glob_tstart; + tstamp /= 1000 * 1000; + fprintf(stderr, "send: pkt %c at %" PRId64 "ms dropped\n", + data[ret - 1], tstamp); + + msg.msg_flags = 0; + msg.msg_controllen = sizeof(control); + } + + error(1, 0, "recv: timeout"); +} + static void setsockopt_txtime(int fd) { struct sock_txtime so_txtime_val = { .clockid = cfg_clockid }; struct sock_txtime so_txtime_val_read = { 0 }; socklen_t vallen = sizeof(so_txtime_val); + so_txtime_val.flags = SOF_TXTIME_REPORT_ERRORS; + if (setsockopt(fd, SOL_SOCKET, SO_TXTIME, &so_txtime_val, sizeof(so_txtime_val))) error(1, errno, "setsockopt txtime"); @@ -194,7 +263,8 @@ static void do_test(struct sockaddr *addr, socklen_t alen) for (i = 0; i < cfg_num_pkt; i++) do_send_one(fdt, &cfg_in[i]); for (i = 0; i < cfg_num_pkt; i++) - do_recv_one(fdr, &cfg_out[i]); + if (do_recv_one(fdr, &cfg_out[i])) + do_recv_errqueue_timeout(fdt); do_recv_verify_empty(fdr); @@ -280,6 +350,10 @@ int main(int argc, char **argv) addr6.sin6_family = AF_INET6; addr6.sin6_port = htons(cfg_port); addr6.sin6_addr = in6addr_loopback; + + cfg_errq_level = SOL_IPV6; + cfg_errq_type = IPV6_RECVERR; + do_test((void *)&addr6, sizeof(addr6)); } @@ -289,6 +363,10 @@ int main(int argc, char **argv) addr4.sin_family = AF_INET; addr4.sin_port = htons(cfg_port); addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + cfg_errq_level = SOL_IP; + cfg_errq_type = IP_RECVERR; + do_test((void *)&addr4, sizeof(addr4)); } diff --git a/tools/testing/selftests/net/so_txtime.sh b/tools/testing/selftests/net/so_txtime.sh index 5aa519328a5b5..3f7800eaecb1e 100755 --- a/tools/testing/selftests/net/so_txtime.sh +++ b/tools/testing/selftests/net/so_txtime.sh @@ -5,7 +5,12 @@ # Run in network namespace if [[ $# -eq 0 ]]; then - ./in_netns.sh $0 __subprocess + if ! ./in_netns.sh $0 __subprocess; then + # test is time sensitive, can be flaky + echo "test failed: retry once" + ./in_netns.sh $0 __subprocess + fi + exit $? fi @@ -18,7 +23,7 @@ tc qdisc add dev lo root fq ./so_txtime -4 -6 -c mono a,10,b,20 a,10,b,20 ./so_txtime -4 -6 -c mono a,20,b,10 b,20,a,20 -if tc qdisc replace dev lo root etf clockid CLOCK_TAI delta 200000; then +if tc qdisc replace dev lo root etf clockid CLOCK_TAI delta 400000; then ! ./so_txtime -4 -6 -c tai a,-1 a,-1 ! ./so_txtime -4 -6 -c tai a,0 a,0 ./so_txtime -4 -6 -c tai a,10 a,10 -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.4 099/459] selftests: settings: tests can be in subsubdirs

by Sasha Levin

From: Matthieu Baerts <matthieu.baerts(a)tessares.net> [ Upstream commit ac87813d4372f4c005264acbe3b7f00c1dee37c4 ] Commit 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test") adds support for a new per-test-directory "settings" file. But this only works for tests not in a sub-subdirectories, e.g. - tools/testing/selftests/rtc (rtc) is OK, - tools/testing/selftests/net/mptcp (net/mptcp) is not. We have to increase the timeout for net/mptcp tests which are not upstreamed yet but this fix is valid for other tests if they need to add a "settings" file, see the full list with: tools/testing/selftests/*/*/**/Makefile Note that this patch changes the text header message printed at the end of the execution but this text is modified only for the tests that are in sub-subdirectories, e.g. ok 1 selftests: net/mptcp: mptcp_connect.sh Before we had: ok 1 selftests: mptcp: mptcp_connect.sh But showing the full target name is probably better, just in case a subsubdir has the same name as another one in another subdirectory. Fixes: 852c8cbf34d3 (selftests/kselftest/runner.sh: Add 45 second timeout per test) Signed-off-by: Matthieu Baerts <matthieu.baerts(a)tessares.net> Reviewed-by: Kees Cook <keescook(a)chromium.org> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/kselftest/runner.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kselftest/runner.sh b/tools/testing/selftests/kselftest/runner.sh index a8d20cbb711cf..e84d901f85672 100644 --- a/tools/testing/selftests/kselftest/runner.sh +++ b/tools/testing/selftests/kselftest/runner.sh @@ -91,7 +91,7 @@ run_one() run_many() { echo "TAP version 13" - DIR=$(basename "$PWD") + DIR="${PWD#${BASE_DIR}/}" test_num=0 total=$(echo "$@" | wc -w) echo "1..$total" -- 2.20.1

5 years, 3 months

1
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[PATCH AUTOSEL 5.4 071/459] kselftest: Minimise dependency of get_size on C library interfaces

by Sasha Levin

From: Siddhesh Poyarekar <siddhesh(a)gotplt.org> [ Upstream commit 6b64a650f0b2ae3940698f401732988699eecf7a ] It was observed[1] on arm64 that __builtin_strlen led to an infinite loop in the get_size selftest. This is because __builtin_strlen (and other builtins) may sometimes result in a call to the C library function. The C library implementation of strlen uses an IFUNC resolver to load the most efficient strlen implementation for the underlying machine and hence has a PLT indirection even for static binaries. Because this binary avoids the C library startup routines, the PLT initialization never happens and hence the program gets stuck in an infinite loop. On x86_64 the __builtin_strlen just happens to expand inline and avoid the call but that is not always guaranteed. Further, while testing on x86_64 (Fedora 31), it was observed that the test also failed with a segfault inside write() because the generated code for the write function in glibc seems to access TLS before the syscall (probably due to the cancellation point check) and fails because TLS is not initialised. To mitigate these problems, this patch reduces the interface with the C library to just the syscall function. The syscall function still sets errno on failure, which is undesirable but for now it only affects cases where syscalls fail. [1] https://bugs.linaro.org/show_bug.cgi?id=5479 Signed-off-by: Siddhesh Poyarekar <siddhesh(a)gotplt.org> Reported-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Tested-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Reviewed-by: Tim Bird <tim.bird(a)sony.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/size/get_size.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/size/get_size.c b/tools/testing/selftests/size/get_size.c index 2ad45b9443550..2980b1a63366b 100644 --- a/tools/testing/selftests/size/get_size.c +++ b/tools/testing/selftests/size/get_size.c @@ -11,23 +11,35 @@ * own execution. It also attempts to have as few dependencies * on kernel features as possible. * - * It should be statically linked, with startup libs avoided. - * It uses no library calls, and only the following 3 syscalls: + * It should be statically linked, with startup libs avoided. It uses + * no library calls except the syscall() function for the following 3 + * syscalls: * sysinfo(), write(), and _exit() * * For output, it avoids printf (which in some C libraries * has large external dependencies) by implementing it's own * number output and print routines, and using __builtin_strlen() + * + * The test may crash if any of the above syscalls fails because in some + * libc implementations (e.g. the GNU C Library) errno is saved in + * thread-local storage, which does not get initialized due to avoiding + * startup libs. */ #include <sys/sysinfo.h> #include <unistd.h> +#include <sys/syscall.h> #define STDOUT_FILENO 1 static int print(const char *s) { - return write(STDOUT_FILENO, s, __builtin_strlen(s)); + size_t len = 0; + + while (s[len] != '\0') + len++; + + return syscall(SYS_write, STDOUT_FILENO, s, len); } static inline char *num_to_str(unsigned long num, char *buf, int len) @@ -79,12 +91,12 @@ void _start(void) print("TAP version 13\n"); print("# Testing system size.\n"); - ccode = sysinfo(&info); + ccode = syscall(SYS_sysinfo, &info); if (ccode < 0) { print("not ok 1"); print(test_name); print(" ---\n reason: \"could not get sysinfo\"\n ...\n"); - _exit(ccode); + syscall(SYS_exit, ccode); } print("ok 1"); print(test_name); @@ -100,5 +112,5 @@ void _start(void) print(" ...\n"); print("1..1\n"); - _exit(0); + syscall(SYS_exit, 0); } -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 526/542] tc-testing: add missing 'nsPlugin' to basic.json

by Sasha Levin

From: Davide Caratti <dcaratti(a)redhat.com> [ Upstream commit e9ed4fa7b4400d7b2cf03108842a30e6c9bd0eb2 ] since tdc tests for cls_basic need $DEV1, use 'nsPlugin' so that the following command can be run without errors: [root@f31 tc-testing]# ./tdc.py -c basic Fixes: 4717b05328ba ("tc-testing: Introduced tdc tests for basic filter") Signed-off-by: Davide Caratti <dcaratti(a)redhat.com> Signed-off-by: David S. Miller <davem(a)davemloft.net> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- .../tc-testing/tc-tests/filters/basic.json | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/tools/testing/selftests/tc-testing/tc-tests/filters/basic.json b/tools/testing/selftests/tc-testing/tc-tests/filters/basic.json index 2e361cea63bcd..98a20faf31986 100644 --- a/tools/testing/selftests/tc-testing/tc-tests/filters/basic.json +++ b/tools/testing/selftests/tc-testing/tc-tests/filters/basic.json @@ -6,6 +6,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -25,6 +28,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -44,6 +50,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -63,6 +72,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -82,6 +94,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -101,6 +116,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -120,6 +138,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -139,6 +160,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -158,6 +182,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -177,6 +204,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -196,6 +226,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -215,6 +248,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -234,6 +270,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -253,6 +292,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -272,6 +314,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -291,6 +336,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], @@ -310,6 +358,9 @@ "filter", "basic" ], + "plugins": { + "requires": "nsPlugin" + }, "setup": [ "$TC qdisc add dev $DEV1 ingress" ], -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 465/542] selftests/eeh: Bump EEH wait time to 60s

by Sasha Levin

From: Oliver O'Halloran <oohall(a)gmail.com> [ Upstream commit 414f50434aa2463202a5b35e844f4125dd1a7101 ] Some newer cards supported by aacraid can take up to 40s to recover after an EEH event. This causes spurious failures in the basic EEH self-test since the current maximim timeout is only 30s. Fix the immediate issue by bumping the timeout to a default of 60s, and allow the wait time to be specified via an environmental variable (EEH_MAX_WAIT). Reported-by: Steve Best <sbest(a)redhat.com> Suggested-by: Douglas Miller <dougmill(a)us.ibm.com> Signed-off-by: Oliver O'Halloran <oohall(a)gmail.com> Signed-off-by: Michael Ellerman <mpe(a)ellerman.id.au> Link: https://lore.kernel.org/r/20200122031125.25991-1-oohall@gmail.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/powerpc/eeh/eeh-functions.sh | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/powerpc/eeh/eeh-functions.sh b/tools/testing/selftests/powerpc/eeh/eeh-functions.sh index 26112ab5cdf42..f52ed92b53e74 100755 --- a/tools/testing/selftests/powerpc/eeh/eeh-functions.sh +++ b/tools/testing/selftests/powerpc/eeh/eeh-functions.sh @@ -53,9 +53,13 @@ eeh_one_dev() { # is a no-op. echo $dev >/sys/kernel/debug/powerpc/eeh_dev_check - # Enforce a 30s timeout for recovery. Even the IPR, which is infamously - # slow to reset, should recover within 30s. - max_wait=30 + # Default to a 60s timeout when waiting for a device to recover. This + # is an arbitrary default which can be overridden by setting the + # EEH_MAX_WAIT environmental variable when required. + + # The current record holder for longest recovery time is: + # "Adaptec Series 8 12G SAS/PCIe 3" at 39 seconds + max_wait=${EEH_MAX_WAIT:=60} for i in `seq 0 ${max_wait}` ; do if pe_ok $dev ; then -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 461/542] selftests: bpf: Reset global state between reuseport test runs

by Sasha Levin

From: Lorenz Bauer <lmb(a)cloudflare.com> [ Upstream commit 51bad0f05616c43d6d34b0a19bcc9bdab8e8fb39 ] Currently, there is a lot of false positives if a single reuseport test fails. This is because expected_results and the result map are not cleared. Zero both after individual test runs, which fixes the mentioned false positives. Fixes: 91134d849a0e ("bpf: Test BPF_PROG_TYPE_SK_REUSEPORT") Signed-off-by: Lorenz Bauer <lmb(a)cloudflare.com> Signed-off-by: Daniel Borkmann <daniel(a)iogearbox.net> Reviewed-by: Jakub Sitnicki <jakub(a)cloudflare.com> Acked-by: Martin KaFai Lau <kafai(a)fb.com> Acked-by: John Fastabend <john.fastabend(a)gmail.com> Link: https://lore.kernel.org/bpf/20200124112754.19664-5-lmb@cloudflare.com Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- .../selftests/bpf/test_select_reuseport.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/bpf/test_select_reuseport.c b/tools/testing/selftests/bpf/test_select_reuseport.c index 7566c13eb51a7..079d0f5a29091 100644 --- a/tools/testing/selftests/bpf/test_select_reuseport.c +++ b/tools/testing/selftests/bpf/test_select_reuseport.c @@ -30,7 +30,7 @@ #define REUSEPORT_ARRAY_SIZE 32 static int result_map, tmp_index_ovr_map, linum_map, data_check_map; -static enum result expected_results[NR_RESULTS]; +static __u32 expected_results[NR_RESULTS]; static int sk_fds[REUSEPORT_ARRAY_SIZE]; static int reuseport_array, outer_map; static int select_by_skb_data_prog; @@ -662,7 +662,19 @@ static void setup_per_test(int type, unsigned short family, bool inany) static void cleanup_per_test(void) { - int i, err; + int i, err, zero = 0; + + memset(expected_results, 0, sizeof(expected_results)); + + for (i = 0; i < NR_RESULTS; i++) { + err = bpf_map_update_elem(result_map, &i, &zero, BPF_ANY); + RET_IF(err, "reset elem in result_map", + "i:%u err:%d errno:%d\n", i, err, errno); + } + + err = bpf_map_update_elem(linum_map, &zero, &zero, BPF_ANY); + RET_IF(err, "reset line number in linum_map", "err:%d errno:%d\n", + err, errno); for (i = 0; i < REUSEPORT_ARRAY_SIZE; i++) close(sk_fds[i]); -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 310/542] kunit: remove timeout dependence on sysctl_hung_task_timeout_seconds

by Sasha Levin

From: Alan Maguire <alan.maguire(a)oracle.com> [ Upstream commit 1c024d45151b51c8f8d4749e65958b0bcf3e7c52 ] In discussion of how to handle timeouts, it was noted that if sysctl_hung_task_timeout_seconds is exceeded for a kunit test, the test task will be killed and an oops generated. This should suffice as a means of debugging such timeout issues for now. Hence remove use of sysctl_hung_task_timeout_secs, which has the added benefit of avoiding the need to export that symbol from the core kernel. Co-developed-by: Knut Omang <knut.omang(a)oracle.com> Signed-off-by: Knut Omang <knut.omang(a)oracle.com> Signed-off-by: Alan Maguire <alan.maguire(a)oracle.com> Reviewed-by: Stephen Boyd <sboyd(a)kernel.org> Acked-by: Brendan Higgins <brendanhiggins(a)google.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- lib/kunit/try-catch.c | 22 ++++------------------ 1 file changed, 4 insertions(+), 18 deletions(-) diff --git a/lib/kunit/try-catch.c b/lib/kunit/try-catch.c index 55686839eb619..6b9c5242017f6 100644 --- a/lib/kunit/try-catch.c +++ b/lib/kunit/try-catch.c @@ -12,7 +12,6 @@ #include <linux/completion.h> #include <linux/kernel.h> #include <linux/kthread.h> -#include <linux/sched/sysctl.h> void __noreturn kunit_try_catch_throw(struct kunit_try_catch *try_catch) { @@ -31,8 +30,6 @@ static int kunit_generic_run_threadfn_adapter(void *data) static unsigned long kunit_test_timeout(void) { - unsigned long timeout_msecs; - /* * TODO(brendanhiggins(a)google.com): We should probably have some type of * variable timeout here. The only question is what that timeout value @@ -49,22 +46,11 @@ static unsigned long kunit_test_timeout(void) * * For more background on this topic, see: * https://mike-bland.com/2011/11/01/small-medium-large.html + * + * If tests timeout due to exceeding sysctl_hung_task_timeout_secs, + * the task will be killed and an oops generated. */ - if (sysctl_hung_task_timeout_secs) { - /* - * If sysctl_hung_task is active, just set the timeout to some - * value less than that. - * - * In regards to the above TODO, if we decide on variable - * timeouts, this logic will likely need to change. - */ - timeout_msecs = (sysctl_hung_task_timeout_secs - 1) * - MSEC_PER_SEC; - } else { - timeout_msecs = 300 * MSEC_PER_SEC; /* 5 min */ - } - - return timeout_msecs; + return 300 * MSEC_PER_SEC; /* 5 min */ } void kunit_try_catch_run(struct kunit_try_catch *try_catch, void *context) -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 309/542] selftests: Uninitialized variable in test_cgcore_proc_migration()

by Sasha Levin

From: Dan Carpenter <dan.carpenter(a)oracle.com> [ Upstream commit 192c197cbca599321de95a4cf15c2fa0681140d3 ] The "c_threads" variable is used in the error handling code before it has been initialized Fixes: 11318989c381 ("selftests: cgroup: Add task migration tests") Signed-off-by: Dan Carpenter <dan.carpenter(a)oracle.com> Acked-by: Michal Koutný <mkoutny(a)suse.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/cgroup/test_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/cgroup/test_core.c b/tools/testing/selftests/cgroup/test_core.c index c5ca669feb2bd..e19ce940cd6a2 100644 --- a/tools/testing/selftests/cgroup/test_core.c +++ b/tools/testing/selftests/cgroup/test_core.c @@ -369,7 +369,7 @@ static void *dummy_thread_fn(void *arg) static int test_cgcore_proc_migration(const char *root) { int ret = KSFT_FAIL; - int t, c_threads, n_threads = 13; + int t, c_threads = 0, n_threads = 13; char *src = NULL, *dst = NULL; pthread_t threads[n_threads]; -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 209/542] selftests/net: make so_txtime more robust to timer variance

by Sasha Levin

From: Willem de Bruijn <willemb(a)google.com> [ Upstream commit ea6a547669b37453f2b1a5d85188d75b3613dfaa ] The SO_TXTIME test depends on accurate timers. In some virtualized environments the test has been reported to be flaky. This is easily reproduced by disabling kvm acceleration in Qemu. Allow greater variance in a run and retry to further reduce flakiness. Observed errors are one of two kinds: either the packet arrives too early or late at recv(), or it was dropped in the qdisc itself and the recv() call times out. In the latter case, the qdisc queues a notification to the error queue of the send socket. Also explicitly report this cause. Link: https://lore.kernel.org/netdev/CA+FuTSdYOnJCsGuj43xwV1jxvYsaoa_LzHQF9qMyhrk… Reported-by: Naresh Kamboju <naresh.kamboju(a)linaro.org> Signed-off-by: Willem de Bruijn <willemb(a)google.com> Signed-off-by: Jakub Kicinski <jakub.kicinski(a)netronome.com> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/net/so_txtime.c | 84 +++++++++++++++++++++++- tools/testing/selftests/net/so_txtime.sh | 9 ++- 2 files changed, 88 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/net/so_txtime.c b/tools/testing/selftests/net/so_txtime.c index 34df4c8882afb..383bac05ac324 100644 --- a/tools/testing/selftests/net/so_txtime.c +++ b/tools/testing/selftests/net/so_txtime.c @@ -12,7 +12,11 @@ #include <arpa/inet.h> #include <error.h> #include <errno.h> +#include <inttypes.h> #include <linux/net_tstamp.h> +#include <linux/errqueue.h> +#include <linux/ipv6.h> +#include <linux/tcp.h> #include <stdbool.h> #include <stdlib.h> #include <stdio.h> @@ -28,7 +32,7 @@ static int cfg_clockid = CLOCK_TAI; static bool cfg_do_ipv4; static bool cfg_do_ipv6; static uint16_t cfg_port = 8000; -static int cfg_variance_us = 2000; +static int cfg_variance_us = 4000; static uint64_t glob_tstart; @@ -43,6 +47,9 @@ static struct timed_send cfg_in[MAX_NUM_PKT]; static struct timed_send cfg_out[MAX_NUM_PKT]; static int cfg_num_pkt; +static int cfg_errq_level; +static int cfg_errq_type; + static uint64_t gettime_ns(void) { struct timespec ts; @@ -90,13 +97,15 @@ static void do_send_one(int fdt, struct timed_send *ts) } -static void do_recv_one(int fdr, struct timed_send *ts) +static bool do_recv_one(int fdr, struct timed_send *ts) { int64_t tstop, texpect; char rbuf[2]; int ret; ret = recv(fdr, rbuf, sizeof(rbuf), 0); + if (ret == -1 && errno == EAGAIN) + return true; if (ret == -1) error(1, errno, "read"); if (ret != 1) @@ -113,6 +122,8 @@ static void do_recv_one(int fdr, struct timed_send *ts) if (labs(tstop - texpect) > cfg_variance_us) error(1, 0, "exceeds variance (%d us)", cfg_variance_us); + + return false; } static void do_recv_verify_empty(int fdr) @@ -125,12 +136,70 @@ static void do_recv_verify_empty(int fdr) error(1, 0, "recv: not empty as expected (%d, %d)", ret, errno); } +static void do_recv_errqueue_timeout(int fdt) +{ + char control[CMSG_SPACE(sizeof(struct sock_extended_err)) + + CMSG_SPACE(sizeof(struct sockaddr_in6))] = {0}; + char data[sizeof(struct ipv6hdr) + + sizeof(struct tcphdr) + 1]; + struct sock_extended_err *err; + struct msghdr msg = {0}; + struct iovec iov = {0}; + struct cmsghdr *cm; + int64_t tstamp = 0; + int ret; + + iov.iov_base = data; + iov.iov_len = sizeof(data); + + msg.msg_iov = &iov; + msg.msg_iovlen = 1; + + msg.msg_control = control; + msg.msg_controllen = sizeof(control); + + while (1) { + ret = recvmsg(fdt, &msg, MSG_ERRQUEUE); + if (ret == -1 && errno == EAGAIN) + break; + if (ret == -1) + error(1, errno, "errqueue"); + if (msg.msg_flags != MSG_ERRQUEUE) + error(1, 0, "errqueue: flags 0x%x\n", msg.msg_flags); + + cm = CMSG_FIRSTHDR(&msg); + if (cm->cmsg_level != cfg_errq_level || + cm->cmsg_type != cfg_errq_type) + error(1, 0, "errqueue: type 0x%x.0x%x\n", + cm->cmsg_level, cm->cmsg_type); + + err = (struct sock_extended_err *)CMSG_DATA(cm); + if (err->ee_origin != SO_EE_ORIGIN_TXTIME) + error(1, 0, "errqueue: origin 0x%x\n", err->ee_origin); + if (err->ee_code != ECANCELED) + error(1, 0, "errqueue: code 0x%x\n", err->ee_code); + + tstamp = ((int64_t) err->ee_data) << 32 | err->ee_info; + tstamp -= (int64_t) glob_tstart; + tstamp /= 1000 * 1000; + fprintf(stderr, "send: pkt %c at %" PRId64 "ms dropped\n", + data[ret - 1], tstamp); + + msg.msg_flags = 0; + msg.msg_controllen = sizeof(control); + } + + error(1, 0, "recv: timeout"); +} + static void setsockopt_txtime(int fd) { struct sock_txtime so_txtime_val = { .clockid = cfg_clockid }; struct sock_txtime so_txtime_val_read = { 0 }; socklen_t vallen = sizeof(so_txtime_val); + so_txtime_val.flags = SOF_TXTIME_REPORT_ERRORS; + if (setsockopt(fd, SOL_SOCKET, SO_TXTIME, &so_txtime_val, sizeof(so_txtime_val))) error(1, errno, "setsockopt txtime"); @@ -194,7 +263,8 @@ static void do_test(struct sockaddr *addr, socklen_t alen) for (i = 0; i < cfg_num_pkt; i++) do_send_one(fdt, &cfg_in[i]); for (i = 0; i < cfg_num_pkt; i++) - do_recv_one(fdr, &cfg_out[i]); + if (do_recv_one(fdr, &cfg_out[i])) + do_recv_errqueue_timeout(fdt); do_recv_verify_empty(fdr); @@ -280,6 +350,10 @@ int main(int argc, char **argv) addr6.sin6_family = AF_INET6; addr6.sin6_port = htons(cfg_port); addr6.sin6_addr = in6addr_loopback; + + cfg_errq_level = SOL_IPV6; + cfg_errq_type = IPV6_RECVERR; + do_test((void *)&addr6, sizeof(addr6)); } @@ -289,6 +363,10 @@ int main(int argc, char **argv) addr4.sin_family = AF_INET; addr4.sin_port = htons(cfg_port); addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + + cfg_errq_level = SOL_IP; + cfg_errq_type = IP_RECVERR; + do_test((void *)&addr4, sizeof(addr4)); } diff --git a/tools/testing/selftests/net/so_txtime.sh b/tools/testing/selftests/net/so_txtime.sh index 5aa519328a5b5..3f7800eaecb1e 100755 --- a/tools/testing/selftests/net/so_txtime.sh +++ b/tools/testing/selftests/net/so_txtime.sh @@ -5,7 +5,12 @@ # Run in network namespace if [[ $# -eq 0 ]]; then - ./in_netns.sh $0 __subprocess + if ! ./in_netns.sh $0 __subprocess; then + # test is time sensitive, can be flaky + echo "test failed: retry once" + ./in_netns.sh $0 __subprocess + fi + exit $? fi @@ -18,7 +23,7 @@ tc qdisc add dev lo root fq ./so_txtime -4 -6 -c mono a,10,b,20 a,10,b,20 ./so_txtime -4 -6 -c mono a,20,b,10 b,20,a,20 -if tc qdisc replace dev lo root etf clockid CLOCK_TAI delta 200000; then +if tc qdisc replace dev lo root etf clockid CLOCK_TAI delta 400000; then ! ./so_txtime -4 -6 -c tai a,-1 a,-1 ! ./so_txtime -4 -6 -c tai a,0 a,0 ./so_txtime -4 -6 -c tai a,10 a,10 -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 115/542] selftests: settings: tests can be in subsubdirs

by Sasha Levin

From: Matthieu Baerts <matthieu.baerts(a)tessares.net> [ Upstream commit ac87813d4372f4c005264acbe3b7f00c1dee37c4 ] Commit 852c8cbf34d3 ("selftests/kselftest/runner.sh: Add 45 second timeout per test") adds support for a new per-test-directory "settings" file. But this only works for tests not in a sub-subdirectories, e.g. - tools/testing/selftests/rtc (rtc) is OK, - tools/testing/selftests/net/mptcp (net/mptcp) is not. We have to increase the timeout for net/mptcp tests which are not upstreamed yet but this fix is valid for other tests if they need to add a "settings" file, see the full list with: tools/testing/selftests/*/*/**/Makefile Note that this patch changes the text header message printed at the end of the execution but this text is modified only for the tests that are in sub-subdirectories, e.g. ok 1 selftests: net/mptcp: mptcp_connect.sh Before we had: ok 1 selftests: mptcp: mptcp_connect.sh But showing the full target name is probably better, just in case a subsubdir has the same name as another one in another subdirectory. Fixes: 852c8cbf34d3 (selftests/kselftest/runner.sh: Add 45 second timeout per test) Signed-off-by: Matthieu Baerts <matthieu.baerts(a)tessares.net> Reviewed-by: Kees Cook <keescook(a)chromium.org> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/kselftest/runner.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/kselftest/runner.sh b/tools/testing/selftests/kselftest/runner.sh index a8d20cbb711cf..e84d901f85672 100644 --- a/tools/testing/selftests/kselftest/runner.sh +++ b/tools/testing/selftests/kselftest/runner.sh @@ -91,7 +91,7 @@ run_one() run_many() { echo "TAP version 13" - DIR=$(basename "$PWD") + DIR="${PWD#${BASE_DIR}/}" test_num=0 total=$(echo "$@" | wc -w) echo "1..$total" -- 2.20.1

5 years, 3 months

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[PATCH AUTOSEL 5.5 081/542] kselftest: Minimise dependency of get_size on C library interfaces

by Sasha Levin

From: Siddhesh Poyarekar <siddhesh(a)gotplt.org> [ Upstream commit 6b64a650f0b2ae3940698f401732988699eecf7a ] It was observed[1] on arm64 that __builtin_strlen led to an infinite loop in the get_size selftest. This is because __builtin_strlen (and other builtins) may sometimes result in a call to the C library function. The C library implementation of strlen uses an IFUNC resolver to load the most efficient strlen implementation for the underlying machine and hence has a PLT indirection even for static binaries. Because this binary avoids the C library startup routines, the PLT initialization never happens and hence the program gets stuck in an infinite loop. On x86_64 the __builtin_strlen just happens to expand inline and avoid the call but that is not always guaranteed. Further, while testing on x86_64 (Fedora 31), it was observed that the test also failed with a segfault inside write() because the generated code for the write function in glibc seems to access TLS before the syscall (probably due to the cancellation point check) and fails because TLS is not initialised. To mitigate these problems, this patch reduces the interface with the C library to just the syscall function. The syscall function still sets errno on failure, which is undesirable but for now it only affects cases where syscalls fail. [1] https://bugs.linaro.org/show_bug.cgi?id=5479 Signed-off-by: Siddhesh Poyarekar <siddhesh(a)gotplt.org> Reported-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Tested-by: Masami Hiramatsu <masami.hiramatsu(a)linaro.org> Reviewed-by: Tim Bird <tim.bird(a)sony.com> Signed-off-by: Shuah Khan <skhan(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> --- tools/testing/selftests/size/get_size.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/size/get_size.c b/tools/testing/selftests/size/get_size.c index 2ad45b9443550..2980b1a63366b 100644 --- a/tools/testing/selftests/size/get_size.c +++ b/tools/testing/selftests/size/get_size.c @@ -11,23 +11,35 @@ * own execution. It also attempts to have as few dependencies * on kernel features as possible. * - * It should be statically linked, with startup libs avoided. - * It uses no library calls, and only the following 3 syscalls: + * It should be statically linked, with startup libs avoided. It uses + * no library calls except the syscall() function for the following 3 + * syscalls: * sysinfo(), write(), and _exit() * * For output, it avoids printf (which in some C libraries * has large external dependencies) by implementing it's own * number output and print routines, and using __builtin_strlen() + * + * The test may crash if any of the above syscalls fails because in some + * libc implementations (e.g. the GNU C Library) errno is saved in + * thread-local storage, which does not get initialized due to avoiding + * startup libs. */ #include <sys/sysinfo.h> #include <unistd.h> +#include <sys/syscall.h> #define STDOUT_FILENO 1 static int print(const char *s) { - return write(STDOUT_FILENO, s, __builtin_strlen(s)); + size_t len = 0; + + while (s[len] != '\0') + len++; + + return syscall(SYS_write, STDOUT_FILENO, s, len); } static inline char *num_to_str(unsigned long num, char *buf, int len) @@ -79,12 +91,12 @@ void _start(void) print("TAP version 13\n"); print("# Testing system size.\n"); - ccode = sysinfo(&info); + ccode = syscall(SYS_sysinfo, &info); if (ccode < 0) { print("not ok 1"); print(test_name); print(" ---\n reason: \"could not get sysinfo\"\n ...\n"); - _exit(ccode); + syscall(SYS_exit, ccode); } print("ok 1"); print(test_name); @@ -100,5 +112,5 @@ void _start(void) print(" ...\n"); print("1..1\n"); - _exit(0); + syscall(SYS_exit, 0); } -- 2.20.1

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[PATCH] selftests: use LDLIBS for libraries instead of LDFLAGS

by Dmitry Safonov

While building selftests, the following errors were observed: > tools/testing/selftests/timens' > gcc -Wall -Werror -pthread -lrt -ldl timens.c -o tools/testing/selftests/timens/timens > /usr/bin/ld: /tmp/ccGy5CST.o: in function `check_config_posix_timers': > timens.c:(.text+0x65a): undefined reference to `timer_create' > collect2: error: ld returned 1 exit status Quoting commit 870f193d48c2 ("selftests: net: use LDLIBS instead of LDFLAGS"): The default Makefile rule looks like: $(CC) $(CFLAGS) $(LDFLAGS) $@ $^ $(LDLIBS) When linking is done by gcc itself, no issue, but when it needs to be passed to proper ld, only LDLIBS follows and then ld cannot know what libs to link with. More detail: https://www.gnu.org/software/make/manual/html_node/Implicit-Variables.html LDFLAGS Extra flags to give to compilers when they are supposed to invoke the linker, ‘ld’, such as -L. Libraries (-lfoo) should be added to the LDLIBS variable instead. LDLIBS Library flags or names given to compilers when they are supposed to invoke the linker, ‘ld’. LOADLIBES is a deprecated (but still supported) alternative to LDLIBS. Non-library linker flags, such as -L, should go in the LDFLAGS variable. While at here, correct other selftests, not only timens ones. Reported-by: Shuah Khan <skhan(a)kernel.org> Signed-off-by: Dmitry Safonov <dima(a)arista.com> --- tools/testing/selftests/futex/functional/Makefile | 2 +- tools/testing/selftests/net/Makefile | 4 ++-- tools/testing/selftests/rtc/Makefile | 2 +- tools/testing/selftests/timens/Makefile | 2 +- 4 files changed, 5 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile index 30996306cabc..23207829ec75 100644 --- a/tools/testing/selftests/futex/functional/Makefile +++ b/tools/testing/selftests/futex/functional/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 INCLUDES := -I../include -I../../ CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES) -LDFLAGS := $(LDFLAGS) -pthread -lrt +LDLIBS := -lpthread -lrt HEADERS := \ ../include/futextest.h \ diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index b5694196430a..287ae916ec0b 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -27,5 +27,5 @@ KSFT_KHDR_INSTALL := 1 include ../lib.mk $(OUTPUT)/reuseport_bpf_numa: LDLIBS += -lnuma -$(OUTPUT)/tcp_mmap: LDFLAGS += -lpthread -$(OUTPUT)/tcp_inq: LDFLAGS += -lpthread +$(OUTPUT)/tcp_mmap: LDLIBS += -lpthread +$(OUTPUT)/tcp_inq: LDLIBS += -lpthread diff --git a/tools/testing/selftests/rtc/Makefile b/tools/testing/selftests/rtc/Makefile index de9c8566672a..2d93d65723c9 100644 --- a/tools/testing/selftests/rtc/Makefile +++ b/tools/testing/selftests/rtc/Makefile @@ -1,6 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 CFLAGS += -O3 -Wl,-no-as-needed -Wall -LDFLAGS += -lrt -lpthread -lm +LDLIBS += -lrt -lpthread -lm TEST_GEN_PROGS = rtctest diff --git a/tools/testing/selftests/timens/Makefile b/tools/testing/selftests/timens/Makefile index e9fb30bd8aeb..b4fd9a934654 100644 --- a/tools/testing/selftests/timens/Makefile +++ b/tools/testing/selftests/timens/Makefile @@ -2,6 +2,6 @@ TEST_GEN_PROGS := timens timerfd timer clock_nanosleep procfs exec TEST_GEN_PROGS_EXTENDED := gettime_perf CFLAGS := -Wall -Werror -pthread -LDFLAGS := -lrt -ldl +LDLIBS := -lrt -ldl include ../lib.mk -- 2.25.0

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[PATCH] selftests: openat2: fix build error on newer glibc

by Aleksa Sarai

It appears that newer glibcs check that openat(O_CREAT) was provided a fourth argument (rather than passing garbage), resulting in the following build error: > In file included from /usr/include/fcntl.h:301, > from helpers.c:9: > In function 'openat', > inlined from 'touchat' at helpers.c:49:11: > /usr/include/x86_64-linux-gnu/bits/fcntl2.h:126:4: error: call to > '__openat_missing_mode' declared with attribute error: openat with O_CREAT > or O_TMPFILE in third argument needs 4 arguments > 126 | __openat_missing_mode (); > | ^~~~~~~~~~~~~~~~~~~~~~~~ Reported-by: Shuah Khan <shuah(a)kernel.org> Signed-off-by: Aleksa Sarai <cyphar(a)cyphar.com> --- tools/testing/selftests/openat2/helpers.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/openat2/helpers.c b/tools/testing/selftests/openat2/helpers.c index e9a6557ab16f..5074681ffdc9 100644 --- a/tools/testing/selftests/openat2/helpers.c +++ b/tools/testing/selftests/openat2/helpers.c @@ -46,7 +46,7 @@ int sys_renameat2(int olddirfd, const char *oldpath, int touchat(int dfd, const char *path) { - int fd = openat(dfd, path, O_CREAT); + int fd = openat(dfd, path, O_CREAT, 0700); if (fd >= 0) close(fd); return fd; -- 2.25.0

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Linux 5.6-rc1 kselftest build failures

by shuah

The following tests fail to build on x86_64 openat2: tools/testing/selftests/openat2' gcc -Wall -O2 -g -fsanitize=address -fsanitize=undefined openat2_test.c helpers.c -o tools/testing/selftests/openat2/openat2_test In file included from /usr/include/fcntl.h:301, from helpers.c:9: In function ‘openat’, inlined from ‘touchat’ at helpers.c:49:11: /usr/include/x86_64-linux-gnu/bits/fcntl2.h:126:4: error: call to ‘__openat_missing_mode’ declared with attribute error: openat with O_CREAT or O_TMPFILE in third argument needs 4 arguments 126 | __openat_missing_mode (); | ^~~~~~~~~~~~~~~~~~~~~~~~ timerns: tools/testing/selftests/timens' gcc -Wall -Werror -pthread -lrt -ldl timens.c -o tools/testing/selftests/timens/timens /usr/bin/ld: /tmp/ccGy5CST.o: in function `check_config_posix_timers': timens.c:(.text+0x65a): undefined reference to `timer_create' collect2: error: ld returned 1 exit status thanks, -- Shuah

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[PATCH v2] Documentation: kunit: Make the KUnit documentation less UML-specific

by David Gow

Remove some of the outmoded "Why KUnit" rationale, and move some UML-specific information to the kunit_tool page. Also update the Getting Started guide to mention running tests without the kunit_tool wrapper. Signed-off-by: David Gow <davidgow(a)google.com> --- Thanks for your comments. I've reinstated the "Why KUnit" section with some minor changes. Changes since v1[1]: - Reinstated the "Why Kunit?" section, minus the comparison with other testing frameworks (covered in the FAQ), and the description of UML. - Moved the description of UML into to kunit_tool page. - Tidied up the wording around how KUnit is built and run to make it work without the UML description. [1]: https://lore.kernel.org/linux-kselftest/9c703dea-a9e1-94e2-c12d-3cb0a09e75a… Documentation/dev-tools/kunit/index.rst | 33 ++++---- Documentation/dev-tools/kunit/kunit-tool.rst | 7 ++ Documentation/dev-tools/kunit/start.rst | 80 ++++++++++++++++---- 3 files changed, 92 insertions(+), 28 deletions(-) diff --git a/Documentation/dev-tools/kunit/index.rst b/Documentation/dev-tools/kunit/index.rst index d16a4d2c3a41..ca6cd6dd6ab7 100644 --- a/Documentation/dev-tools/kunit/index.rst +++ b/Documentation/dev-tools/kunit/index.rst @@ -17,14 +17,23 @@ What is KUnit? ============== KUnit is a lightweight unit testing and mocking framework for the Linux kernel. -These tests are able to be run locally on a developer's workstation without a VM -or special hardware. KUnit is heavily inspired by JUnit, Python's unittest.mock, and Googletest/Googlemock for C++. KUnit provides facilities for defining unit test cases, grouping related test cases into test suites, providing common infrastructure for running tests, and much more. +KUnit consists of a kernel component, which provides a set of macros for easily +writing unit tests. Tests written against KUnit will run on kernel boot if +built-in, or when loaded if built as a module. These tests write out results to +the kernel log in `TAP <https://testanything.org/>`_ format. + +To make running these tests (and reading the results) easier, KUnit offsers +:doc:`kunit_tool <kunit-tool>`, which builds a `User Mode Linux +<http://user-mode-linux.sourceforge.net>`_ kernel, runs it, and parses the test +results. This provides a quick way of running KUnit tests during development, +without requiring a virtual machine or separate hardware. + Get started now: :doc:`start` Why KUnit? @@ -36,20 +45,11 @@ allow all possible code paths to be tested in the code under test; this is only possible if the code under test is very small and does not have any external dependencies outside of the test's control like hardware. -Outside of KUnit, there are no testing frameworks currently -available for the kernel that do not require installing the kernel on a test -machine or in a VM and all require tests to be written in userspace running on -the kernel; this is true for Autotest, and kselftest, disqualifying -any of them from being considered unit testing frameworks. +KUnit provides a common framework for unit tests within the kernel. -KUnit addresses the problem of being able to run tests without needing a virtual -machine or actual hardware with User Mode Linux. User Mode Linux is a Linux -architecture, like ARM or x86; however, unlike other architectures it compiles -to a standalone program that can be run like any other program directly inside -of a host operating system; to be clear, it does not require any virtualization -support; it is just a regular program. - -Alternatively, kunit and kunit tests can be built as modules and tests will +KUnit tests can be run on most kernel configurations, and most tests are +architecture independent. All built-in KUnit tests run on kernel startup. +Alternatively, KUnit and KUnit tests can be built as modules and tests will run when the test module is loaded. KUnit is fast. Excluding build time, from invocation to completion KUnit can run @@ -75,9 +75,12 @@ someone sends you some code. Why trust that someone ran all their tests correctly on every change when you can just run them yourself in less time than it takes to read their test log? + How do I use it? ================ * :doc:`start` - for new users of KUnit * :doc:`usage` - for a more detailed explanation of KUnit features * :doc:`api/index` - for the list of KUnit APIs used for testing +* :doc:`kunit-tool` - for more information on the kunit_tool helper script +* :doc:`faq` - for answers to some common questions about KUnit diff --git a/Documentation/dev-tools/kunit/kunit-tool.rst b/Documentation/dev-tools/kunit/kunit-tool.rst index 50d46394e97e..949af2da81e5 100644 --- a/Documentation/dev-tools/kunit/kunit-tool.rst +++ b/Documentation/dev-tools/kunit/kunit-tool.rst @@ -12,6 +12,13 @@ the Linux kernel as UML (`User Mode Linux <http://user-mode-linux.sourceforge.net/>`_), running KUnit tests, parsing the test results and displaying them in a user friendly manner. +kunit_tool addresses the problem of being able to run tests without needing a +virtual machine or actual hardware with User Mode Linux. User Mode Linux is a +Linux architecture, like ARM or x86; however, unlike other architectures it +compiles the kernel as a standalone Linux executable that can be run like any +other program directly inside of a host operating system. To be clear, it does +not require any virtualization support: it is just a regular program. + What is a kunitconfig? ====================== diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst index 4e1d24db6b13..e1c5ce80ce12 100644 --- a/Documentation/dev-tools/kunit/start.rst +++ b/Documentation/dev-tools/kunit/start.rst @@ -9,11 +9,10 @@ Installing dependencies KUnit has the same dependencies as the Linux kernel. As long as you can build the kernel, you can run KUnit. -KUnit Wrapper -============= -Included with KUnit is a simple Python wrapper that helps format the output to -easily use and read KUnit output. It handles building and running the kernel, as -well as formatting the output. +Running tests with the KUnit Wrapper +==================================== +Included with KUnit is a simple Python wrapper which runs tests under User Mode +Linux, and formats the test results. The wrapper can be run with: @@ -21,22 +20,42 @@ The wrapper can be run with: ./tools/testing/kunit/kunit.py run --defconfig -For more information on this wrapper (also called kunit_tool) checkout the +For more information on this wrapper (also called kunit_tool) check out the :doc:`kunit-tool` page. Creating a .kunitconfig -======================= -The Python script is a thin wrapper around Kbuild. As such, it needs to be -configured with a ``.kunitconfig`` file. This file essentially contains the -regular Kernel config, with the specific test targets as well. - +----------------------- +If you want to run a specific set of tests (rather than those listed in the +KUnit defconfig), you can provide Kconfig options in the ``.kunitconfig`` file. +This file essentially contains the regular Kernel config, with the specific +test targets as well. The ``.kunitconfig`` should also contain any other config +options required by the tests. + +A good starting point for a ``.kunitconfig`` is the KUnit defconfig: .. code-block:: bash cd $PATH_TO_LINUX_REPO cp arch/um/configs/kunit_defconfig .kunitconfig -Verifying KUnit Works ---------------------- +You can then add any other Kconfig options you wish, e.g.: +.. code-block:: none + + CONFIG_LIST_KUNIT_TEST=y + +:doc:`kunit_tool <kunit-tool>` will ensure that all config options set in +``.kunitconfig`` are set in the kernel ``.config`` before running the tests. +It'll warn you if you haven't included the dependencies of the options you're +using. + +.. note:: + Note that removing something from the ``.kunitconfig`` will not trigger a + rebuild of the ``.config`` file: the configuration is only updated if the + ``.kunitconfig`` is not a subset of ``.config``. This means that you can use + other tools (such as make menuconfig) to adjust other config options. + + +Running the tests +----------------- To make sure that everything is set up correctly, simply invoke the Python wrapper from your kernel repo: @@ -62,6 +81,41 @@ followed by a list of tests that are run. All of them should be passing. Because it is building a lot of sources for the first time, the ``Building KUnit kernel`` step may take a while. +Running tests without the KUnit Wrapper +======================================= + +If you'd rather not use the KUnit Wrapper (if, for example, you need to +integrate with other systems, or use an architecture other than UML), KUnit can +be included in any kernel, and the results read out and parsed manually. + +.. note:: + KUnit is not designed for use in a production system, and it's possible that + tests may reduce the stability or security of the system. + + + +Configuring the kernel +---------------------- + +In order to enable KUnit itself, you simply need to enable the ``CONFIG_KUNIT`` +Kconfig option (it's under Kernel Hacking/Kernel Testing and Coverage in +menuconfig). From there, you can enable any KUnit tests you want: they usually +have config options ending in ``_KUNIT_TEST``. + +KUnit and KUnit tests can be compiled as modules: in this case the tests in a +module will be run when the module is loaded. + +Running the tests +----------------- + +Build and run your kernel as usual. Test output will be written to the kernel +log in `TAP <https://testanything.org/>`_ format. + +.. note:: + It's possible that there will be other lines and/or data interspersed in the + TAP output. + + Writing your first test ======================= -- 2.25.0.265.gbab2e86ba0-goog

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[PATCH 1/2] cgroup: allow deletion of cgroups containing only dying processes

by Suren Baghdasaryan

A cgroup containing only dying tasks will be seen as empty when a userspace process reads its cgroup.procs or cgroup.tasks files. It should be safe to delete such a cgroup as it is considered empty. However if one of the dying tasks did not reach cgroup_exit then an attempt to delete the cgroup will fail with EBUSY because cgroup_is_populated() will not consider it empty until all tasks reach cgroup_exit. Such a condition can be triggered when a task consumes large amounts of memory and spends enough time in exit_mm to create delay between the moment it is flagged as PF_EXITING and the moment it reaches cgroup_exit. Fix this by detecting cgroups containing only dying tasks during cgroup destruction and proceeding with it while postponing the final step of releasing the last reference until the last task reaches cgroup_exit. Signed-off-by: Suren Baghdasaryan <surenb(a)google.com> Reported-by: JeiFeng Lee <linger.lee(a)mediatek.com> Fixes: c03cd7738a83 ("cgroup: Include dying leaders with live threads in PROCS iterations") --- include/linux/cgroup-defs.h | 3 ++ kernel/cgroup/cgroup.c | 65 +++++++++++++++++++++++++++++++++---- 2 files changed, 61 insertions(+), 7 deletions(-) diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 63097cb243cb..f9bcccbac8dd 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -71,6 +71,9 @@ enum { /* Cgroup is frozen. */ CGRP_FROZEN, + + /* Cgroup is dead. */ + CGRP_DEAD, }; /* cgroup_root->flags */ diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 735af8f15f95..a99ebddd37d9 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -795,10 +795,11 @@ static bool css_set_populated(struct css_set *cset) * that the content of the interface file has changed. This can be used to * detect when @cgrp and its descendants become populated or empty. */ -static void cgroup_update_populated(struct cgroup *cgrp, bool populated) +static bool cgroup_update_populated(struct cgroup *cgrp, bool populated) { struct cgroup *child = NULL; int adj = populated ? 1 : -1; + bool state_change = false; lockdep_assert_held(&css_set_lock); @@ -817,6 +818,7 @@ static void cgroup_update_populated(struct cgroup *cgrp, bool populated) if (was_populated == cgroup_is_populated(cgrp)) break; + state_change = true; cgroup1_check_for_release(cgrp); TRACE_CGROUP_PATH(notify_populated, cgrp, cgroup_is_populated(cgrp)); @@ -825,6 +827,21 @@ static void cgroup_update_populated(struct cgroup *cgrp, bool populated) child = cgrp; cgrp = cgroup_parent(cgrp); } while (cgrp); + + return state_change; +} + +static void cgroup_prune_dead(struct cgroup *cgrp) +{ + lockdep_assert_held(&css_set_lock); + + do { + /* put the base reference if cgroup was already destroyed */ + if (!cgroup_is_populated(cgrp) && + test_bit(CGRP_DEAD, &cgrp->flags)) + percpu_ref_kill(&cgrp->self.refcnt); + cgrp = cgroup_parent(cgrp); + } while (cgrp); } /** @@ -838,11 +855,15 @@ static void cgroup_update_populated(struct cgroup *cgrp, bool populated) static void css_set_update_populated(struct css_set *cset, bool populated) { struct cgrp_cset_link *link; + bool state_change; lockdep_assert_held(&css_set_lock); - list_for_each_entry(link, &cset->cgrp_links, cgrp_link) - cgroup_update_populated(link->cgrp, populated); + list_for_each_entry(link, &cset->cgrp_links, cgrp_link) { + state_change = cgroup_update_populated(link->cgrp, populated); + if (state_change && !populated) + cgroup_prune_dead(link->cgrp); + } } /* @@ -5458,8 +5479,26 @@ static int cgroup_destroy_locked(struct cgroup *cgrp) * Only migration can raise populated from zero and we're already * holding cgroup_mutex. */ - if (cgroup_is_populated(cgrp)) - return -EBUSY; + if (cgroup_is_populated(cgrp)) { + struct css_task_iter it; + struct task_struct *task; + + /* + * cgroup_is_populated does not account for exiting tasks + * that did not reach cgroup_exit yet. Check if all the tasks + * in this cgroup are exiting. + */ + css_task_iter_start(&cgrp->self, 0, &it); + do { + task = css_task_iter_next(&it); + } while (task && (task->flags & PF_EXITING)); + css_task_iter_end(&it); + + if (task) { + /* cgroup is indeed populated */ + return -EBUSY; + } + } /* * Make sure there's no live children. We can't test emptiness of @@ -5510,8 +5549,20 @@ static int cgroup_destroy_locked(struct cgroup *cgrp) cgroup_bpf_offline(cgrp); - /* put the base reference */ - percpu_ref_kill(&cgrp->self.refcnt); + /* + * Take css_set_lock because of the possible race with + * cgroup_update_populated. + */ + spin_lock_irq(&css_set_lock); + /* The last task might have died since we last checked */ + if (cgroup_is_populated(cgrp)) { + /* mark cgroup for future destruction */ + set_bit(CGRP_DEAD, &cgrp->flags); + } else { + /* put the base reference */ + percpu_ref_kill(&cgrp->self.refcnt); + } + spin_unlock_irq(&css_set_lock); return 0; }; -- 2.25.0.rc1.283.g88dfdc4193-goog

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