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[PATCH] selftests/mm: Don't needlessly use sudo to obtain root in run_vmtests.sh

by Mark Brown

When opening yama/ptrace_scope we unconditionally use sudo to ensure we are running as root, resulting in failures if running in a minimal root filesystem where sudo is not installed. Since automated test systems will typically just run all of kselftest as root (and many kselftests rely on this for full functionality) add a check to see if we're already root and only invoke sudo if not. Since I am unclear what the intended effect of the command being run is I have not added any error handling for the case where we fail to obtain root. Signed-off-by: Mark Brown <broonie(a)kernel.org> --- tools/testing/selftests/mm/run_vmtests.sh | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/mm/run_vmtests.sh b/tools/testing/selftests/mm/run_vmtests.sh index fe140a9f4f9d..c8ca830dba93 100755 --- a/tools/testing/selftests/mm/run_vmtests.sh +++ b/tools/testing/selftests/mm/run_vmtests.sh @@ -248,6 +248,17 @@ run_test() { echo "TAP version 13" | tap_output +HAVE_ROOT=0 +if [ "$(id -u)" = "0" ]; then + AS_ROOT= + HAVE_ROOT=1 +elif [ "$(command -v sudo)" != "" ]; then + AS_ROOT=sudo + HAVE_ROOT=1 +else + echo # WARNING: Unable to run as root +fi + CATEGORY="hugetlb" run_test ./hugepage-mmap shmmax=$(cat /proc/sys/kernel/shmmax) @@ -363,7 +374,8 @@ CATEGORY="hmm" run_test bash ./test_hmm.sh smoke # MADV_POPULATE_READ and MADV_POPULATE_WRITE tests CATEGORY="madv_populate" run_test ./madv_populate -(echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope 2>&1) | tap_prefix +# FIXME: What if we can't get root? +(echo 0 | ${AS_ROOT} tee /proc/sys/kernel/yama/ptrace_scope 2>&1) | tap_prefix CATEGORY="memfd_secret" run_test ./memfd_secret # KSM KSM_MERGE_TIME_HUGE_PAGES test with size of 100 --- base-commit: 445a555e0623387fa9b94e68e61681717e70200a change-id: 20240209-kselftest-mm-check-deps-01a825e5fed4 Best regards, -- Mark Brown <broonie(a)kernel.org>

1 year, 10 months

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kselftest/next kselftest-seccomp: 2 runs, 1 regressions (v6.8-rc1-32-g345e8abe4c355)

by kernelci.org bot

kselftest/next kselftest-seccomp: 2 runs, 1 regressions (v6.8-rc1-32-g345e8abe4c355) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ----------------------------+------+-------------+----------+------------------------------+------------ stm32mp157a-dhcor-avenger96 | arm | lab-broonie | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/job/kselftest/branch/next/kernel/v6.8-rc1-32-g345… Test: kselftest-seccomp Tree: kselftest Branch: next Describe: v6.8-rc1-32-g345e8abe4c355 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 345e8abe4c355bc24bab3f4a5634122e55be8665 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ----------------------------+------+-------------+----------+------------------------------+------------ stm32mp157a-dhcor-avenger96 | arm | lab-broonie | gcc-10 | multi_v7_defconfig+kselftest | 1 Details: https://kernelci.org/test/plan/id/65cc665746126920c2637012 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/v6.8-rc1-32-g345e8abe4c355/arm… HTML log: https://storage.kernelci.org//kselftest/next/v6.8-rc1-32-g345e8abe4c355/arm… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023062… * kselftest-seccomp.login: https://kernelci.org/test/case/id/65cc665746126920c2637013 new failure (last pass: v6.8-rc1)

1 year, 10 months

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kselftest/next kselftest-livepatch: 1 runs, 1 regressions (v6.8-rc1-32-g345e8abe4c355)

by kernelci.org bot

kselftest/next kselftest-livepatch: 1 runs, 1 regressions (v6.8-rc1-32-g345e8abe4c355) 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/v6.8-rc1-32-g345… Test: kselftest-livepatch Tree: kselftest Branch: next Describe: v6.8-rc1-32-g345e8abe4c355 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 345e8abe4c355bc24bab3f4a5634122e55be8665 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/65cc6163387b991438637014 Results: 1 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/v6.8-rc1-32-g345e8abe4c355/arm… HTML log: https://storage.kernelci.org//kselftest/next/v6.8-rc1-32-g345e8abe4c355/arm… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023062… * kselftest-livepatch.shardfile-livepatch: https://kernelci.org/test/case/id/65cc6163387b991438637016 new failure (last pass: v6.8-rc1) 2024-02-14T06:44:10.893373 / # 2024-02-14T06:44:10.900024 2024-02-14T06:44:16.051965 / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12761214/extract-nfsrootfs-4r6083o6' 2024-02-14T06:44:16.063460 export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12761214/extract-nfsrootfs-4r6083o6' 2024-02-14T06:44:18.308382 / # export NFS_SERVER_IP='192.168.201.1' 2024-02-14T06:44:18.319349 export NFS_SERVER_IP='192.168.201.1' 2024-02-14T06:44:18.438006 / # # 2024-02-14T06:44:18.445186 # 2024-02-14T06:44:18.562958 / # export SHELL=/bin/bash 2024-02-14T06:44:18.573046 export SHELL=/bin/bash ... (47 line(s) more)

1 year, 10 months

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kselftest/next kselftest-lkdtm: 2 runs, 1 regressions (v6.8-rc1-32-g345e8abe4c355)

by kernelci.org bot

kselftest/next kselftest-lkdtm: 2 runs, 1 regressions (v6.8-rc1-32-g345e8abe4c355) 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/v6.8-rc1-32-g345… Test: kselftest-lkdtm Tree: kselftest Branch: next Describe: v6.8-rc1-32-g345e8abe4c355 URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git SHA: 345e8abe4c355bc24bab3f4a5634122e55be8665 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/65cc631d8d16bbc0b2637012 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/v6.8-rc1-32-g345e8abe4c355/arm… HTML log: https://storage.kernelci.org//kselftest/next/v6.8-rc1-32-g345e8abe4c355/arm… Rootfs: http://storage.kernelci.org/images/rootfs/debian/bullseye-kselftest/2023062… * kselftest-lkdtm.login: https://kernelci.org/test/case/id/65cc631d8d16bbc0b2637013 failing since 440 days (last pass: v6.1-rc1-23-g00dd59519141, first fail: v6.1-rc1-23-g8008d88e6d16)

1 year, 10 months

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kselftest/next build: 5 builds: 2 failed, 3 passed, 2 errors, 5 warnings (v6.8-rc1-32-g345e8abe4c355)

by kernelci.org bot

kselftest/next build: 5 builds: 2 failed, 3 passed, 2 errors, 5 warnings (v6.8-rc1-32-g345e8abe4c355) Full Build Summary: https://kernelci.org/build/kselftest/branch/next/kernel/v6.8-rc1-32-g345e8a… Tree: kselftest Branch: next Git Describe: v6.8-rc1-32-g345e8abe4c355 Git Commit: 345e8abe4c355bc24bab3f4a5634122e55be8665 Git URL: https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git Built: 4 unique architectures Build Failures Detected: i386: i386_defconfig+kselftest: (gcc-10) FAIL x86_64: x86_64_defconfig+kselftest: (gcc-10) FAIL Errors and Warnings Detected: arm64: defconfig+kselftest (gcc-10): 1 warning arm: multi_v7_defconfig+kselftest (gcc-10): 1 warning i386: i386_defconfig+kselftest (gcc-10): 1 error, 1 warning x86_64: x86_64_defconfig+kselftest (gcc-10): 1 error, 1 warning x86_64_defconfig+kselftest (clang-16): 1 warning Errors summary: 2 include/linux/fortify-string.h:57:29: error: ‘__builtin_memcpy’ offset 32 is out of the bounds [0, 0] [-Werror=array-bounds] Warnings summary: 2 include/linux/fortify-string.h:57:29: warning: ‘__builtin_memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds] 2 cc1: all warnings being treated as errors 1 vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x39: relocation to !ENDBR: .text+0x14cfd6 ================================================================================ Detailed per-defconfig build reports: -------------------------------------------------------------------------------- defconfig+kselftest (arm64, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: include/linux/fortify-string.h:57:29: warning: ‘__builtin_memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds] -------------------------------------------------------------------------------- i386_defconfig+kselftest (i386, gcc-10) — FAIL, 1 error, 1 warning, 0 section mismatches Errors: include/linux/fortify-string.h:57:29: error: ‘__builtin_memcpy’ offset 32 is out of the bounds [0, 0] [-Werror=array-bounds] Warnings: cc1: all warnings being treated as errors -------------------------------------------------------------------------------- multi_v7_defconfig+kselftest (arm, gcc-10) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: include/linux/fortify-string.h:57:29: warning: ‘__builtin_memcpy’ offset 32 is out of the bounds [0, 0] [-Warray-bounds] -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, gcc-10) — FAIL, 1 error, 1 warning, 0 section mismatches Errors: include/linux/fortify-string.h:57:29: error: ‘__builtin_memcpy’ offset 32 is out of the bounds [0, 0] [-Werror=array-bounds] Warnings: cc1: all warnings being treated as errors -------------------------------------------------------------------------------- x86_64_defconfig+kselftest (x86_64, clang-16) — PASS, 0 errors, 1 warning, 0 section mismatches Warnings: vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x39: relocation to !ENDBR: .text+0x14cfd6 --- For more info write to <info(a)kernelci.org>

1 year, 10 months

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[PATCH] selftests: damon: add access_memory to .gitignore

by Javier Carrasco

This binary is missing in the .gitignore and stays as an untracked file. Reported-by: Bernd Edlinger <bernd.edlinger(a)hotmail.de> Closes: https://lore.kernel.org/all/AS8P193MB1285C963658008F1B2702AF7E4792@AS8P193M… Reviewed-by: SeongJae Park <sj(a)kernel.org> Signed-off-by: Javier Carrasco <javier.carrasco.cruz(a)gmail.com> --- tools/testing/selftests/damon/.gitignore | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/damon/.gitignore b/tools/testing/selftests/damon/.gitignore index d861701f0327..e65ef9d9cedc 100644 --- a/tools/testing/selftests/damon/.gitignore +++ b/tools/testing/selftests/damon/.gitignore @@ -2,3 +2,4 @@ huge_count_read_write debugfs_target_ids_read_before_terminate_race debugfs_target_ids_pid_leak +access_memory --- base-commit: 7e56cf9a7f108e8129d75cea0dabc9488fb4defa change-id: 20240214-damon_selftest_gitignore-d1586d2f58ff Best regards, -- Javier Carrasco <javier.carrasco.cruz(a)gmail.com>

1 year, 10 months

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[PATCH v3 0/4] selftests: add missing gitignore files and include generated objects

by Javier Carrasco

This series aims to keep the git status clean after building the selftests by adding some missing .gitignore files and object inclusion in existing .gitignore files. This is one of the requirements listed in the selftests documentation for new tests, but it is not always followed as desired. After adding these .gitignore files and including the generated objects, the working tree appears clean again. The new version includes a missing entry fot the .gitignore in damon, which was reported by Bernd Edlinger <bernd.edlinger(a)hotmail.de>, who also proposed a patch for it as well as for other missing .gitignore files covered by v1. Bernd has been added to the corresponding patch as the reporter. If a different tag is desired, I am fine with it. To: Shuah Khan <shuah(a)kernel.org> To: SeongJae Park <sj(a)kernel.org> To: Bernd Edlinger <bernd.edlinger(a)hotmail.de> Cc: linux-kselftest(a)vger.kernel.org Cc: linux-kernel(a)vger.kernel.org Cc: damon(a)lists.linux.dev Cc: linux-mm(a)kvack.org Signed-off-by: Javier Carrasco <javier.carrasco.cruz(a)gmail.com> Changes in v3: - General: base on mm-unstable to avoid conflicts. - damon: add missing Closes tag. - Link to v2: https://lore.kernel.org/r/20240212-selftest_gitignore-v2-0-75f0de50a178@gma… Changes in v2: - Remove patch for netfilter (not relevant anymore). - Add patch for damon (missing binary in .gitignore). - Link to v1: https://lore.kernel.org/r/20240101-selftest_gitignore-v1-0-eb61b09adb05@gma… --- Javier Carrasco (4): selftests: uevent: add missing gitignore selftests: thermal: intel: power_floor: add missing gitignore selftests: thermal: intel: workload_hint: add missing gitignore selftests: damon: add access_memory to .gitignore tools/testing/selftests/damon/.gitignore | 1 + tools/testing/selftests/thermal/intel/power_floor/.gitignore | 1 + tools/testing/selftests/thermal/intel/workload_hint/.gitignore | 1 + tools/testing/selftests/uevent/.gitignore | 1 + 4 files changed, 4 insertions(+) --- base-commit: 7e56cf9a7f108e8129d75cea0dabc9488fb4defa change-id: 20240101-selftest_gitignore-7da2c503766e Best regards, -- Javier Carrasco <javier.carrasco.cruz(a)gmail.com>

1 year, 10 months

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resctrl selftests ready for inclusion

by Reinette Chatre

Hi Shuah, Could you please consider Ilpo's resctrl selftest enhancements [1] for inclusion into kselftest's "next" branch in preparation for the next merge window? Thank you very much. Reinette [1] https://lore.kernel.org/lkml/20231215150515.36983-1-ilpo.jarvinen@linux.int…

1 year, 10 months

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[PATCH net 0/2] selftests: net: more pmtu.sh fixes

by Paolo Abeni

The mentioned test is still flaky, unusally enough in 'fast' environments. Patch 2/2 [try to] address the existing issues, while patch 1/2 introduces more strict tests for the existing net helpers, to hopefully prevent future pain. Paolo Abeni (2): selftests: net: more strict check in net_helper selftests: net: more pmtu.sh fixes tools/testing/selftests/net/net_helper.sh | 11 +++++++---- tools/testing/selftests/net/pmtu.sh | 4 ++-- 2 files changed, 9 insertions(+), 6 deletions(-) -- 2.43.0

1 year, 10 months

2
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[PATCH net] selftests: net: cope with slow env in so_txtime.sh test

by Paolo Abeni

The mentioned test is failing in slow environments: # SO_TXTIME ipv4 clock monotonic # ./so_txtime: recv: timeout: Resource temporarily unavailable not ok 1 selftests: net: so_txtime.sh # exit=1 Tuning the tolerance in the test binary is error-prone and doomed to failures is slow-enough environment. Just resort to suppress any error in such cases. Note to suppress them we need first to refactor a bit the code moving it to explicit error handling. Fixes: af5136f95045 ("selftests/net: SO_TXTIME with ETF and FQ") Signed-off-by: Paolo Abeni <pabeni(a)redhat.com> --- tools/testing/selftests/net/so_txtime.sh | 29 ++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/net/so_txtime.sh b/tools/testing/selftests/net/so_txtime.sh index 3f06f4d286a9..5e861ad32a42 100755 --- a/tools/testing/selftests/net/so_txtime.sh +++ b/tools/testing/selftests/net/so_txtime.sh @@ -5,6 +5,7 @@ set -e +readonly ksft_skip=4 readonly DEV="veth0" readonly BIN="./so_txtime" @@ -46,7 +47,7 @@ ip -netns "${NS2}" addr add 192.168.1.2/24 dev "${DEV}" ip -netns "${NS1}" addr add fd::1/64 dev "${DEV}" nodad ip -netns "${NS2}" addr add fd::2/64 dev "${DEV}" nodad -do_test() { +run_test() { local readonly IP="$1" local readonly CLOCK="$2" local readonly TXARGS="$3" @@ -64,12 +65,25 @@ do_test() { fi local readonly START="$(date +%s%N --date="+ 0.1 seconds")" + ip netns exec "${NS2}" "${BIN}" -"${IP}" -c "${CLOCK}" -t "${START}" -S "${SADDR}" -D "${DADDR}" "${RXARGS}" -r & ip netns exec "${NS1}" "${BIN}" -"${IP}" -c "${CLOCK}" -t "${START}" -S "${SADDR}" -D "${DADDR}" "${TXARGS}" wait "$!" } +do_test() { + run_test $@ + [ $? -ne 0 ] && ret=1 +} + +do_fail_test() { + run_test $@ + [ $? -eq 0 ] && ret=1 +} + ip netns exec "${NS1}" tc qdisc add dev "${DEV}" root fq +set +e +ret=0 do_test 4 mono a,-1 a,-1 do_test 6 mono a,0 a,0 do_test 6 mono a,10 a,10 @@ -77,13 +91,20 @@ do_test 4 mono a,10,b,20 a,10,b,20 do_test 6 mono a,20,b,10 b,20,a,20 if ip netns exec "${NS1}" tc qdisc replace dev "${DEV}" root etf clockid CLOCK_TAI delta 400000; then - ! do_test 4 tai a,-1 a,-1 - ! do_test 6 tai a,0 a,0 + do_fail_test 4 tai a,-1 a,-1 + do_fail_test 6 tai a,0 a,0 do_test 6 tai a,10 a,10 do_test 4 tai a,10,b,20 a,10,b,20 do_test 6 tai a,20,b,10 b,10,a,20 else echo "tc ($(tc -V)) does not support qdisc etf. skipping" + [ $ret -eq 0 ] && ret=$ksft_skip fi -echo OK. All tests passed +if [ $ret -eq 0 ]; then + echo OK. All tests passed +elif [[ $ret -ne $ksft_skip && -n "$KSFT_MACHINE_SLOW" ]]; then + echo "Ignoring errors due to slow environment" 1>&2 + ret=0 +fi +exit $ret -- 2.43.0

1 year, 10 months

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