[linux-next:master] [filelock] b6be371400: ltp.fcntl17_64.fail

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hi, Jeff Layton,

we reported a (dramatic) performance regression for this commit
([linux-next:master] [filelock]  b6be371400: stress-ng.lockf.ops_per_sec -100.0% regression)

now we also observed it could cause some func failure. FYI.


Hello,

kernel test robot noticed "ltp.fcntl17_64.fail" on:

commit: b6be3714005c3933886be71011f19119e219e77c ("filelock: convert __locks_insert_block, conflict and deadlock checks to use file_lock_core")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master ae00c445390b349e070a64dc62f08aa878db7248]

in testcase: ltp
version: ltp-x86_64-14c1f76-1_20240210
with following parameters:

	disk: 1HDD
	fs: ext4
	test: syscalls-03/fcntl17_64



compiler: gcc-12
test machine: 4 threads 1 sockets Intel(R) Core(TM) i3-3220 CPU @ 3.30GHz (Ivy Bridge) with 8G 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202402182151.3a4faafd-oliver.sang@xxxxxxxxx



Running tests.......
<<<test_start>>>
tag=fcntl17_64 stime=1708853783
cmdline="fcntl17_64"
contacts=""
analysis=exit
<<<test_output>>>
fcntl17     0  TINFO  :  Enter preparation phase
fcntl17     0  TINFO  :  Exit preparation phase
fcntl17     0  TINFO  :  Enter block 1
fcntl17     1  TFAIL  :  fcntl17.c:429: Alarm expired, deadlock not detected
fcntl17     0  TWARN  :  fcntl17.c:430: You may need to kill child processes by hand
fcntl17     2  TFAIL  :  fcntl17.c:363: parent_wait() failed
fcntl17     3  TFAIL  :  fcntl17.c:605: child 2 didn't deadlock, returned: 4
fcntl17     4  TFAIL  :  fcntl17.c:295: fcntl on file failed, errno =9
fcntl17     5  TFAIL  :  fcntl17.c:295: fcntl on file failed, errno =9
fcntl17     6  TFAIL  :  fcntl17.c:619: Block 1 FAILED
fcntl17     0  TINFO  :  Exit block 1
fcntl17     0  TWARN  :  tst_tmpdir.c:342: tst_rmdir: rmobj(/fs/sda2/tmpdir/ltp-qtpqayjsB8/LTP_fcn2s19iy) failed: unlink(/fs/sda2/tmpdir/ltp-qtpqayjsB8/LTP_fcn2s19iy) failed; errno=2: ENOENT
incrementing stop
<<<execution_status>>>
initiation_status="ok"
duration=10 termination_type=exited termination_id=5 corefile=no
cutime=0 cstime=1
<<<test_end>>>
INFO: ltp-pan reported some tests FAIL
LTP Version: 20240129-39-g3f79bcb94

       ###############################################################

            Done executing testcases.
            LTP Version:  20240129-39-g3f79bcb94
       ###############################################################




The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240218/202402182151.3a4faafd-oliver.sang@xxxxxxxxx



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





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