msgrcv03 from ubuntu_ltp_syscalls failed on B-aws-4.15 ARM64

[Po-Hsu Lin]

Issue found on 4.15.0-1088.93-aws ARM64 instances (a1.2xlarge, a1.large, a1.medium)

 startup='Wed Nov 18 14:38:47 2020'
 CONFIG_CHECKPOINT_RESTORE
 ^
 Missing value

 tst_kconfig.c:475: TBROK: Invalid kconfig variables!
 tag=msgrcv03 stime=1605710327 dur=0 exit=exited stat=2 core=no cu=0 cs=0

Test failed because config requirement not met.

[Po-Hsu Lin (cypressyew)]

Here is the test log from 4.15.0-1087.92-aws with LTP Test suite HEAD SHA1: 62e322fad

 startup='Wed Oct 21 14:02:53 2020'
 tst_kconfig.c:62: TINFO: Parsing kernel config '/boot/config-4.15.0-1087-aws'
 tst_test.c:1250: TINFO: Timeout per run is 0h 05m 00s
 msgrcv03.c:60: TINFO: EINVAL for MSG_COPY without IPC_NOWAIT
 msgrcv03.c:70: TPASS: msgrcv() failed as expected: EINVAL (22)
 msgrcv03.c:60: TINFO: EINVAL for MSG_COPY with MSG_EXCEPT
 msgrcv03.c:70: TPASS: msgrcv() failed as expected: EINVAL (22)
 msgrcv03.c:60: TINFO: ENOMSG with IPC_NOWAIT and MSG_COPY but with less than msgtyp messages
 msgrcv03.c:70: TPASS: msgrcv() failed as expected: ENOMSG (42)

 Summary:
 passed 3
 failed 0
 skipped 0
 warnings 0
 tag=msgrcv03 stime=1603288973 dur=0 exit=exited stat=0 core=no cu=0 cs=0

It looks like this commit upstream is the cause:
https://github.com/linux-test-project/ltp/commit/fdfa17f76b636b944ade511374ad1d282034f31c#diff-4c6ff7202c9730e476736ebe1e0475b19bbd777077f307f2b758328479ea56d6

[Po-Hsu Lin (cypressyew)]

http://lists.linux.it/pipermail/ltp/2020-November/019900.html

[Po-Hsu Lin (cypressyew)]

Issue fixed upstream:
https://github.com/linux-test-project/ltp/commit/afc79319323f84ad77bf517ef57686d7cbb75651