[linus:master] [landlock] 874c8f8382: kernel-selftests.landlock.audit_test.audit.thread.fail

[kernel test robot <oliver.sang@intel.com>]

Hello,

kernel test robot noticed "kernel-selftests.landlock.audit_test.audit.thread.fail" on:

commit: 874c8f83826c95c62c21d9edfe9ef43e5c346724 ("landlock: Fix LOG_SUBDOMAINS_OFF inheritance across fork()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master      dca922e019dd758b4c1b4bec8f1d509efddeaab4]
[test failed on linux-next/master 9974969c14031a097d6b45bcb7a06bb4aa525c40]

in testcase: kernel-selftests
version: kernel-selftests-x86_64-9f2693489ef8-1_20260201
with following parameters:

	group: landlock



config: x86_64-rhel-9.4-kselftests
compiler: gcc-14
test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)



If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202604300436.a07fae12-lkp@intel.com


# timeout set to 300
# selftests: landlock: audit_test
# TAP version 13
# 1..12
# # Starting 12 tests from 10 test cases.
# #  RUN           audit.log_subdomains_off_fork ...
# #            OK  audit.log_subdomains_off_fork
# ok 1 audit.log_subdomains_off_fork
# #  RUN           audit.thread ...
# # audit_test.c:252:thread:Expected 0 (0) == matches_log_signal(_metadata, self->audit_fd, child_data.parent_pid, &denial_dom) (-11)
# # audit_test.c:254:thread:Expected denial_dom (1) != 1 (1)
# # audit_test.c:257:thread:Expected 0 (0) == matches_log_domain_allocated(self->audit_fd, getpid(), &allocated_dom) (-11)
# # audit_test.c:259:thread:Expected denial_dom (1) == allocated_dom (2)
# DATA: audit(1777390809.810:10): domain=1a323af0a status=allocated mode=enforcing pid=2437 uid=0 exe="/opt/rootfs/tmp/kselftests/landlock/landlock/audit_test" comm="audit_test"
# ERROR: no match for pattern: ^audit([0-9.:]\+): domain=\([0-9a-f]\+\) status=deallocated denials=1$
# # audit_test.c:275:thread:Expected 0 (0) == matches_log_domain_deallocated(self->audit_fd, 1, &deallocated_dom) (-2)
# # audit_test.c:277:thread:Expected denial_dom (1) == deallocated_dom (0)
# # thread: Test failed
# #          FAIL  audit.thread
# not ok 2 audit.thread



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260430/202604300436.a07fae12-lkp@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki