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Date:   Tue, 5 Dec 2023 16:48:02 +0800
From:   kernel test robot <oliver.sang@intel.com>
To:     Hengqi Chen <hengqi.chen@gmail.com>
CC:     <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
        <linux-kselftest@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
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        <oliver.sang@intel.com>
Subject: Re: [PATCH v3 3/3] selftests/seccomp: Test seccomp filter load and
 attach
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Hello,

kernel test robot noticed "kernel-selftests.seccomp.seccomp_bpf.fail" on:

commit: 95084d9b2b5f0b593724819288f3cb4e2c585cb0 ("[PATCH v3 3/3] selftests/seccomp: Test seccomp filter load and attach")
url: https://github.com/intel-lab-lkp/linux/commits/Hengqi-Chen/seccomp-Introduce-SECCOMP_LOAD_FILTER-operation/20231129-134337
base: https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git for-next/seccomp
patch link: https://lore.kernel.org/all/20231129053440.41522-4-hengqi.chen@gmail.com/
patch subject: [PATCH v3 3/3] selftests/seccomp: Test seccomp filter load and attach

in testcase: kernel-selftests
version: kernel-selftests-x86_64-60acb023-1_20230329
with following parameters:

	group: group-s


compiler: gcc-12
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade 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/202312051652.ecd5fbc7-oliver.sang@intel.com


we noticed one test added in this commit can pass, but another will fail.


# #  RUN           global.seccomp_filter_load_and_attach ...
# #            OK  global.seccomp_filter_load_and_attach
# ok 56 global.seccomp_filter_load_and_attach
# #  RUN           global.seccomp_attach_fd_failed ...
# # seccomp_bpf.c:4792:seccomp_attach_fd_failed:Expected errno (22) == EFAULT (14)
# # seccomp_attach_fd_failed: Test terminated by assertion
# #          FAIL  global.seccomp_attach_fd_failed
# not ok 57 global.seccomp_attach_fd_failed

...

# # FAILED: 97 / 98 tests passed.
# # Totals: pass:97 fail:1 xfail:0 xpass:0 skip:0 error:0
not ok 1 selftests: seccomp: seccomp_bpf # exit=1


we applied the patch set upon 31c65705a8cfa like below:

95084d9b2b5f0 (linux-review/Hengqi-Chen/seccomp-Introduce-SECCOMP_LOAD_FILTER-operation/20231129-134337) selftests/seccomp: Test seccomp filter load and attach
8fcda1c36e519 seccomp: Introduce new flag SECCOMP_FILTER_FLAG_FILTER_FD
bd86f21cfe1e0 seccomp: Introduce SECCOMP_LOAD_FILTER operation
31c65705a8cfa (kees/for-next/seccomp, kees/for-linus/seccomp) perf/benchmark: fix seccomp_unotify benchmark for 32-bit
ce9ecca0238b1 (tag: v6.6-rc2, hyperv/hyperv-next) Linux 6.6-rc2


not sure if this is the correct base, or is there any other dependency to run
new test seccomp_attach_fd_failed?


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231205/202312051652.ecd5fbc7-oliver.sang@intel.com


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