shmat04 from ubuntu_ltp_syscalls failed on M-6.5 (TFAIL: shmid_ds.shm_nattch (1) != 0 (0))

[Po-Hsu Lin]

This is a new test case added on Mar.13 pulled in to our repo with update 8f21ebba42 LTP 20240524

Test failed with:
INFO: Test start time: Wed Jun 19 03:14:49 UTC 2024
COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 174687 -n 174687 -f /tmp/ltp-RwNN15ELf6/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:1733: TINFO: LTP version: 20240524
tst_test.c:1617: TINFO: Timeout per run is 0h 00m 30s
shmat04.c:76: TINFO: Key id: 1627514058
shmat04.c:77: TINFO: Page size: 65536
shmat04.c:45: TINFO: Attached at 0x6d2e1d1f0000. key: 9 - size: 196608
shmat04.c:50: TINFO: Number of attaches: 1
shmat04.c:57: TINFO: Number of attaches: 3
shmat04.c:58: TINFO: Delete attached memory
shmat04.c:63: TINFO: Number of attaches: 1
shmat04.c:68: TFAIL: shmid_ds.shm_nattch (1) != 0 (0)

HINT: You _MAY_ be missing kernel fixes:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fc0c8f9089c2

Summary:
passed 0
failed 1
broken 0
skipped 0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20240524
INFO: Test end time: Wed Jun 19 03:14:49 UTC 2024

We don't have commit fc0c8f9089c2 in our mantic tree. Since this will be the last cycle for Mantic kernel, this bug will be solely for tracking purpose.