waitid10 in ubuntu_ltp_syscalls failed on 4.15 / 5.4 / 5.13 / 5.15 ARM64 (2 failures)

Issue found on X-AWS 4.15.0-1127.136~16.04.1

Test failed with:
waitid10.c:36: TFAIL: infop->si_status (0) != SIGFPE (8)
waitid10.c:40: TFAIL: infop->si_code (1) != CLD_DUMPED (3)

INFO: Test start time: Wed Apr 6 12:10:26 UTC 2022
COMMAND: /opt/ltp/bin/ltp-pan -q -e -S -a 11606 -n 11606 -f /tmp/ltp-i5IjuzF7Zd/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_buffers.c:55: TINFO: Test is using guarded buffers
tst_test.c:1458: TINFO: Timeout per run is 0h 05m 00s
waitid10.c:34: TPASS: waitid(P_ALL, 0, infop, WEXITED) passed
waitid10.c:35: TPASS: infop->si_pid == pidchild (11649)
waitid10.c:36: TFAIL: infop->si_status (0) != SIGFPE (8)
waitid10.c:37: TPASS: infop->si_signo == SIGCHLD (17)
waitid10.c:40: TFAIL: infop->si_code (1) != CLD_DUMPED (3)

Summary:
passed 3
failed 2
broken 0
skipped 0
warnings 0
INFO: ltp-pan reported some tests FAIL
LTP Version: 20220121
INFO: Test end time: Wed Apr 6 12:10:26 UTC 2022

This is not a regression, but a new test case