ubuntu_ltp/inotify12 failed on B/F

[Francis Ginther]

Issue found on 5.4.0-123.139 with LTP test suite updated to ac1a3e40

This is not a regression but rather a new test case:
https://github.com/linux-test-project/ltp/commit/1873da95525315588d770ed3b516c6b4daff9af0

INFO: Test start time: Fri Aug 5 04:10:24 UTC 2022
COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 22128 -n 22128 -f /tmp/ltp-toAzwtf5MP/alltests -l /dev/null -C /dev/null -T /dev/null
LOG File: /dev/null
FAILED COMMAND File: /dev/null
TCONF COMMAND File: /dev/null
Running tests.......
tst_test.c:1526: TINFO: Timeout per run is 0h 00m 40s
inotify12.c:72: TINFO: Test #0: Watch for multi events
inotify12.c:88: TPASS: Correct mask in inotify fdinfo
inotify12.c:102: TPASS: Got 1st event as expected
inotify12.c:133: TPASS: Got 2nd event as expected
inotify12.c:72: TINFO: Test #1: Watch for single event
inotify12.c:85: TFAIL: Incorrect mask 2 in inotify fdinfo (expected 80000002)
inotify12.c:102: TPASS: Got 1st event as expected
inotify12.c:138: TPASS: Got no more events as expected
inotify12.c:72: TINFO: Test #2: Watch for events on linked file
inotify12.c:85: TFAIL: Incorrect mask 2 in inotify fdinfo (expected 4000002)
inotify12.c:102: TPASS: Got 1st event as expected
inotify12.c:138: TPASS: Got no more events as expected

HINT: You _MAY_ be missing kernel fixes:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a32e697cda27

Summary:
passed 7
failed 2
broken 0
skipped 0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20220527
INFO: Test end time: Fri Aug 5 04:10:24 UTC 2022

[Francis Ginther (fginther)]

Also seen on bionic.

[Po-Hsu Lin (cypressyew)]

Seems to be fixed, need to go through all the existing hints.

[Po-Hsu Lin (cypressyew)]

Still visible on X-4.4.0-1121.131 KVM, keep this open.