[linus:master] [selftests] 58e2847ad2: kernel-selftests.openat2.resolve_test.fail

[linus:master] [selftests] 58e2847ad2: kernel-selftests.openat2.resolve_test.fail

[kernel test robot]

Hello,

kernel test robot noticed "kernel-selftests.openat2.resolve_test.fail" on:

commit: 58e2847ad2e6322a25dedf8b4549ff924baf8395 ("selftests: line buffer test program's stdout")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master


[test failed on linus/master 0bb80ecc33a8fb5a682236443c1e740d5c917d1d]
[test failed on linux-next/master 7bc675554773f09d88101bf1ccfc8537dc7c0be9]

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

	group: group-02



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/202309121342.97e2f008-oliver.sang@intel.com


besides kernel-selftests.openat2.resolve_test, we also observed

ea09800bf17561a0 58e2847ad2e6322a25dedf8b454
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :6          100%           6:6     kernel-selftests.openat2.openat2_test.fail
           :6          100%           6:6     kernel-selftests.openat2.resolve_test.fail

which pass on parent commit.

however, there are other tests such like below "perf_events: sigtrap_threads"
are not impacted by this commit.

we want to consult with you if there is some special config need to do after
this commit? Thanks a lot!



TAP version 13
1..3
# timeout set to 300
# selftests: openat2: openat2_test
# ==4052==ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD.
not ok 1 selftests: openat2: openat2_test # exit=1
# timeout set to 300
# selftests: openat2: resolve_test
# ==4070==ASan runtime does not come first in initial library list; you should either link runtime to your application or manually preload it with LD_PRELOAD.
not ok 2 selftests: openat2: resolve_test # exit=1

...

TAP version 13
1..2
# timeout set to 120
# selftests: perf_events: sigtrap_threads
# TAP version 13
# 1..5
# # Starting 5 tests from 1 test cases.
# #  RUN           sigtrap_threads.remain_disabled ...
# #            OK  sigtrap_threads.remain_disabled
# ok 1 sigtrap_threads.remain_disabled

...


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230912/202309121342.97e2f008-oliver.sang@intel.com



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

Re: [linus:master] [selftests] 58e2847ad2: kernel-selftests.openat2.resolve_test.fail

[Ryan Roberts]

On 12/09/2023 07:17, kernel test robot wrote:
> 
> 
> Hello,
> 
> kernel test robot noticed "kernel-selftests.openat2.resolve_test.fail" on:
> 
> commit: 58e2847ad2e6322a25dedf8b4549ff924baf8395 ("selftests: line buffer test program's stdout")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

Thanks for the report - I'm looking into this now and will get back to you once
I have some more info.

Thanks,
Ryan

Re: [linus:master] [selftests] 58e2847ad2: kernel-selftests.openat2.resolve_test.fail

[Ryan Roberts]

On 12/09/2023 13:16, Ryan Roberts wrote:
> On 12/09/2023 07:17, kernel test robot wrote:
>>
>>
>> Hello,
>>
>> kernel test robot noticed "kernel-selftests.openat2.resolve_test.fail" on:
>>
>> commit: 58e2847ad2e6322a25dedf8b4549ff924baf8395 ("selftests: line buffer test program's stdout")
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 
> Thanks for the report - I'm looking into this now and will get back to you once
> I have some more info.

I found the problem and sent a patch to the list with the explanation of what it
going on. Sorry about that!

https://lore.kernel.org/lkml/20230912135048.1755771-1-ryan.roberts@arm.com/

> 
> Thanks,
> Ryan
>