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The Telegraph: Mude von Arbeit und Schulden? Raus aus dieser Scheie?

by JosephOpick

寄件人：JosephOpick <linux-kselftest(a)vger.kernel.org> 主旨：The Telegraph: Mude von Arbeit und Schulden? Raus aus dieser Scheie? 郵件內文： Mude von niedrigen Lohnen und hohen Benzinpreisen? Es gibt eine Losung http://news-kc.cavemanorganics.com/news-bild-4196 -- This e-mail was sent from a contact form on Hearingaid (http://hearingaid.com.hk)

3 years, 2 months

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[RFC PATCH 2/2] selftests: kvm: Use the KVM API to enable dynamic XSTATE features

by Chang S. Bae

Use the KVM_X86_XCOMP_GUEST_PERM attribute, instead of the x86-specific prctl() options. Signed-off-by: Chang S. Bae <chang.seok.bae(a)intel.com> Cc: Paolo Bonzini <pbonzini(a)redhat.com> Cc: Yang Zhong <yang.zhong(a)intel.com> Cc: linux-kernel(a)vger.kernel.org Cc: kvm(a)vger.kernel.org Cc: linux-kselftest(a)vger.kernel.org --- tools/arch/x86/include/uapi/asm/kvm.h | 1 + .../selftests/kvm/lib/x86_64/processor.c | 22 ++++++++++++++----- 2 files changed, 17 insertions(+), 6 deletions(-) diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h index 46de10a809ec..6ab9a2b38061 100644 --- a/tools/arch/x86/include/uapi/asm/kvm.h +++ b/tools/arch/x86/include/uapi/asm/kvm.h @@ -461,6 +461,7 @@ struct kvm_sync_regs { /* attributes for system fd (group 0) */ #define KVM_X86_XCOMP_GUEST_SUPP 0 +#define KVM_X86_XCOMP_GUEST_PERM 1 struct kvm_vmx_nested_state_data { __u8 vmcs12[KVM_STATE_NESTED_VMX_VMCS_SIZE]; diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c index 2e6e61bbe81b..b67f28676d15 100644 --- a/tools/testing/selftests/kvm/lib/x86_64/processor.c +++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c @@ -593,8 +593,6 @@ void __vm_xsave_require_permission(int bit, const char *name) kvm_fd = open_kvm_dev_path_or_exit(); rc = __kvm_ioctl(kvm_fd, KVM_GET_DEVICE_ATTR, &attr); - close(kvm_fd); - if (rc == -1 && (errno == ENXIO || errno == EINVAL)) __TEST_REQUIRE(0, "KVM_X86_XCOMP_GUEST_SUPP not supported"); @@ -603,13 +601,25 @@ void __vm_xsave_require_permission(int bit, const char *name) __TEST_REQUIRE(bitmask & (1ULL << bit), "Required XSAVE feature '%s' not supported", name); - TEST_REQUIRE(!syscall(SYS_arch_prctl, ARCH_REQ_XCOMP_GUEST_PERM, bit)); + attr.attr = KVM_X86_XCOMP_GUEST_PERM; + attr.addr = (unsigned long) bit; + rc = __kvm_ioctl(kvm_fd, KVM_SET_DEVICE_ATTR, &attr); + if (rc == -1 && (errno == ENXIO || errno == EINVAL)) + __TEST_REQUIRE(0, "KVM_X86_XCOMP_GUEST_PERM not supported"); - rc = syscall(SYS_arch_prctl, ARCH_GET_XCOMP_GUEST_PERM, &bitmask); - TEST_ASSERT(rc == 0, "prctl(ARCH_GET_XCOMP_GUEST_PERM) error: %ld", rc); + TEST_ASSERT(rc == 0, "KVM_SET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_PERM) error: %ld", rc); + + attr.addr = (unsigned long) &bitmask; + rc = __kvm_ioctl(kvm_fd, KVM_GET_DEVICE_ATTR, &attr); + if (rc == -1 && (errno == ENXIO || errno == EINVAL)) + __TEST_REQUIRE(0, "KVM_X86_XCOMP_GUEST_PERM not supported"); + + TEST_ASSERT(rc == 0, "KVM_GET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_PERM) error: %ld", rc); TEST_ASSERT(bitmask & (1ULL << bit), - "prctl(ARCH_REQ_XCOMP_GUEST_PERM) failure bitmask=0x%lx", + "KVM_GET_DEVICE_ATTR(0, KVM_X86_XCOMP_GUEST_PERM) failure bitmask=0x%lx", bitmask); + + close(kvm_fd); } struct kvm_vcpu *vm_arch_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id, -- 2.17.1

3 years, 2 months

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[GIT PULL] Kselftest update for Linux 6.0-rc3

by Shuah Khan

Hi Linus, Please pull the following Kselftest update for Linux 6.0-rc3. This Kselftest fixes update for Linux 6.0-rc3 consists of fixes and warnings to vm and sgx test builds. sgx test fails to build without this change on new distros. diff is attached. thanks, -- Shuah ---------------------------------------------------------------- The following changes since commit 568035b01cfb107af8d2e4bd2fb9aea22cf5b868: Linux 6.0-rc1 (2022-08-14 15:50:18 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-fixes-6.0-rc3 for you to fetch changes up to bdbf0617bbc3641af158d1aeffeebb1505f76263: selftests/vm: fix inability to build any vm tests (2022-08-19 17:57:20 -0600) ---------------------------------------------------------------- linux-kselftest-fixes-6.0-rc3 This Kselftest fixes update for Linux 6.0-rc3 consists of fixes and warnings to vm and sgx test builds. ---------------------------------------------------------------- Axel Rasmussen (1): selftests/vm: fix inability to build any vm tests Kristen Carlson Accardi (1): selftests/sgx: Ignore OpenSSL 3.0 deprecated functions warning tools/testing/selftests/lib.mk | 1 + tools/testing/selftests/sgx/sigstruct.c | 6 ++++++ 2 files changed, 7 insertions(+) ----------------------------------------------------------------

3 years, 2 months

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[GIT PULL] KUnit fixes update for Linux 6.0-rc3

by Shuah Khan

Hi Linus, Please pull the following KUnit fixes update for Linux 6.0-rc3. This KUnit fixes update for Linux 6.0-rc3 consists of fixes to mmc test and fix to load .kunit_test_suites section when CONFIG_KUNIT=m, and not just when KUnit is built-in. Please note that this KUnit update touches mmc driver Kconfig and kernel/module/main.c. diff is attached. thanks, -- Shuah ---------------------------------------------------------------- The following changes since commit 568035b01cfb107af8d2e4bd2fb9aea22cf5b868: Linux 6.0-rc1 (2022-08-14 15:50:18 -0700) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-kunit-fixes-6.0-rc3 for you to fetch changes up to 41a55567b9e31cb852670684404654ec4fd0d8d6: module: kunit: Load .kunit_test_suites section when CONFIG_KUNIT=m (2022-08-15 13:51:07 -0600) ---------------------------------------------------------------- linux-kselftest-kunit-fixes-6.0-rc3 This KUnit fixes update for Linux 6.0-rc3 consists of fixes to mmc test and fix to load .kunit_test_suites section when CONFIG_KUNIT=m, and not just when KUnit is built-in. ---------------------------------------------------------------- David Gow (2): mmc: sdhci-of-aspeed: test: Fix dependencies when KUNIT=m module: kunit: Load .kunit_test_suites section when CONFIG_KUNIT=m drivers/mmc/host/Kconfig | 1 + kernel/module/main.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) ----------------------------------------------------------------

3 years, 2 months

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kselftest/next kselftest-lkdtm: 3 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61)

by kernelci.org bot

kselftest/next kselftest-lkdtm: 3 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------+------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/next/kernel/linux-kselftest-… Test: kselftest-lkdtm Tree: kselftest Branch: next Describe: linux-kselftest-next-6.0-rc2-1-gab7039dbcc61 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: ab7039dbcc61229aa635357b847a643973497561 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------+------+---------------+----------+------------------------------+------------ imx6q-sabrelite | arm | lab-collabora | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/63041d999ebcc423ea35565c Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig+kselftest Compiler: gcc-10 (arm-linux-gnueabihf-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/next/linux-kselftest-next-6.0-rc2-1… HTML log: https://storage.kernelci.org//kselftest/next/linux-kselftest-next-6.0-rc2-1… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022081… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/63041d999ebcc423ea35565d new failure (last pass: v6.0-rc1-1-gf1227dc7d0411)

3 years, 2 months

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kselftest/next kselftest-lib: 7 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61)

by kernelci.org bot

kselftest/next kselftest-lib: 7 runs, 1 regressions (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ---------------------+-------+--------------+----------+---------------------+------------ meson-g12b-odroid-n2 | arm64 | lab-baylibre | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/next/kernel/linux-kselftest-… Test: kselftest-lib Tree: kselftest Branch: next Describe: linux-kselftest-next-6.0-rc2-1-gab7039dbcc61 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: ab7039dbcc61229aa635357b847a643973497561 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ---------------------+-------+--------------+----------+---------------------+------------ meson-g12b-odroid-n2 | arm64 | lab-baylibre | gcc-10 | defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/6304220408d7d305ea355646 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig+kselftest Compiler: gcc-10 (aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110) Plain log: https://storage.kernelci.org//kselftest/next/linux-kselftest-next-6.0-rc2-1… HTML log: https://storage.kernelci.org//kselftest/next/linux-kselftest-next-6.0-rc2-1… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2022081… * kselftest-lib.login: https://kernelci.org/test/case/id/6304220408d7d305ea355647 new failure (last pass: v6.0-rc1-1-gf1227dc7d0411)

3 years, 2 months

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kselftest/next build: 8 builds: 0 failed, 8 passed (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61)

by kernelci.org bot

kselftest/next build: 8 builds: 0 failed, 8 passed (linux-kselftest-next-6.0-rc2-1-gab7039dbcc61) Full Build Summary: https://kernelci.org/build/kselftest/branch/next/kernel/linux-kselftest-nex… Tree: kselftest Branch: next Git Describe: linux-kselftest-next-6.0-rc2-1-gab7039dbcc61 Git Commit: ab7039dbcc61229aa635357b847a643973497561 Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 4 unique architectures ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, clang-15) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- defconfig+kselftest+arm64-chromebook (arm64, clang-15) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- i386_defconfig+kselftest (i386, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- multi_v7_defconfig+kselftest (arm, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, clang-15) — PASS, 0 errors, 0 warnings, 0 section mismatches -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — PASS, 0 errors, 0 warnings, 0 section mismatches --- For more info write to <info(a)kernelci.org>

3 years, 2 months

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[PATCH 0/2] kunit: add boot time parameter to enable KUnit

by Joe Fradley

There are some use cases where the kernel binary is desired to be the same for both production and testing. This poses a problem for users of KUnit as built-in tests will automatically run at startup and test modules can still be loaded leaving the kernel in an unsafe state. There is a "test" taint flag that gets set if a test runs but nothing to prevent the execution. This patch adds the kunit.enable module parameter that will need to be set to true in addition to KUNIT being enabled for KUnit tests to run. The default value is true giving backwards compatibility. However, for the production+testing use case the new config option KUNIT_ENABLE_DEFAULT_DISABLED can be enabled to default kunit.enable to false requiring the tester to opt-in by passing kunit.enable=1 to the kernel. Joe Fradley (2): kunit: add kunit.enable to enable/disable KUnit test kunit: no longer call module_info(test, "Y") for kunit modules .../admin-guide/kernel-parameters.txt | 6 ++++++ include/kunit/test.h | 1 - lib/kunit/Kconfig | 8 ++++++++ lib/kunit/test.c | 20 +++++++++++++++++++ 4 files changed, 34 insertions(+), 1 deletion(-) -- 2.37.1.595.g718a3a8f04-goog

3 years, 2 months

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[PATCH] selftests: fix a couple missing .gitignore entries

by Axel Rasmussen

Some recent commits added new test binaries, but forgot to add those to .gitignore. Now, after one does "make -C tools/testing/selftests", one ends up with some untracked files in the kernel tree. Add the test binaries to .gitignore, to avoid this minor annoyance. Fixes: d8b6171bd58a ("selftests/io_uring: test zerocopy send") Fixes: 6342140db660 ("selftests/timens: add a test for vfork+exit") Signed-off-by: Axel Rasmussen <axelrasmussen(a)google.com> --- tools/testing/selftests/net/.gitignore | 3 ++- tools/testing/selftests/timens/.gitignore | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/.gitignore b/tools/testing/selftests/net/.gitignore index 0e5751af6247..02abf8fdfd3a 100644 --- a/tools/testing/selftests/net/.gitignore +++ b/tools/testing/selftests/net/.gitignore @@ -39,4 +39,5 @@ toeplitz tun cmsg_sender unix_connect -tap \ No newline at end of file +tap +io_uring_zerocopy_tx diff --git a/tools/testing/selftests/timens/.gitignore b/tools/testing/selftests/timens/.gitignore index fe1eb8271b35..cae8dca0fbff 100644 --- a/tools/testing/selftests/timens/.gitignore +++ b/tools/testing/selftests/timens/.gitignore @@ -8,3 +8,4 @@ procfs timens timer timerfd +vfork_exec -- 2.37.1.595.g718a3a8f04-goog

3 years, 2 months

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[PATCH] selftests/seccomp: Check CAP_SYS_ADMIN capability in the test mode_filter_without_nnp

by Gautam Menghani

In the "mode_filter_without_nnp" test in seccomp_bpf, there is currently a TODO which asks to check the capability CAP_SYS_ADMIN instead of euid. This patch adds support to check if the calling process has the flag CAP_SYS_ADMIN, and also if this flag has CAP_EFFECTIVE set. Signed-off-by: Gautam Menghani <gautammenghani201(a)gmail.com> --- tools/testing/selftests/seccomp/seccomp_bpf.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 136df5b76319..16b0edc520ef 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -392,6 +392,8 @@ TEST(mode_filter_without_nnp) .filter = filter, }; long ret; + cap_t cap = cap_get_proc(); + cap_flag_value_t is_cap_sys_admin = 0; ret = prctl(PR_GET_NO_NEW_PRIVS, 0, NULL, 0, 0); ASSERT_LE(0, ret) { @@ -400,8 +402,8 @@ TEST(mode_filter_without_nnp) errno = 0; ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &prog, 0, 0); /* Succeeds with CAP_SYS_ADMIN, fails without */ - /* TODO(wad) check caps not euid */ - if (geteuid()) { + cap_get_flag(cap, CAP_SYS_ADMIN, CAP_EFFECTIVE, &is_cap_sys_admin); + if (!is_cap_sys_admin) { EXPECT_EQ(-1, ret); EXPECT_EQ(EACCES, errno); } else { -- 2.34.1

3 years, 2 months

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