Greeting, FYI, we noticed the following commit (built with gcc-9): commit: 80bd5afdd8568e41fc3a75c695bb179e0d9eee4d ("[PATCH v3] fs/exec: require argv[0] presence in do_execveat_common()") url: https://github.com/0day-ci/linux/commits/Ariadne-Conill/fs-exec-require-argv-0-presence-in-do_execveat_common/20220127-080829 base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 2c271fe77d52a0555161926c232cd5bc07178b39 patch link: https://lore.kernel.org/lkml/20220127000724.15106-1-ariadne@dereferenced.org in testcase: xfstests version: xfstests-x86_64-972d710-1_20220127 with following parameters: disk: 4HDD fs: f2fs test: generic-group-31 ucode: 0xe2 test-description: xfstests is a regression test suite for xfs and other files ystems. test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git on test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz with 32G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot user :warn : [ 208.077271] run fstests generic/633 at 2022-01-30 04:50:49 kern :warn : [ 208.529090] Attempted to run process '/dev/fd/5/file1' with NULL argv user :notice: [ 208.806756] generic/633 [failed, exit status 1]- output mismatch (see /lkp/benchmarks/xfstests/results//generic/633.out.bad) user :notice: [ 208.826454] --- tests/generic/633.out 2022-01-27 11:54:16.000000000 +0000 user :notice: [ 208.842458] +++ /lkp/benchmarks/xfstests/results//generic/633.out.bad 2022-01-30 04:50:49.769538285 +0000 user :notice: [ 208.859622] @@ -1,2 +1,4 @@ user :warn : [ 208.860623] run fstests generic/634 at 2022-01-30 04:50:49 user :notice: [ 208.866037] QA output created by 633 user :notice: [ 208.889262] Silence is golden user :notice: [ 208.901240] +idmapped-mounts.c: 3608: setid_binaries - Invalid argument - failure: sys_execveat user :notice: [ 208.918907] +idmapped-mounts.c: 13953: run_test - Success - failure: setid binaries on regular mounts user :notice: [ 208.935261] ... user :notice: [ 208.949376] (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/633.out /lkp/benchmarks/xfstests/results//generic/633.out.bad' to see the entire diff) To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests sudo bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run sudo bin/lkp run generated-yaml-file # if come across any failure that blocks the test, # please remove ~/.lkp and /lkp dir to run from a clean state. --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang