FreeBSD-main-amd64-test - Build #24196 - Still Unstable

FreeBSD-main-amd64-test - Build #24196 (0afcac3e37e911f7e387ebeb2aae19b2b00ca4cc) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24196/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24196/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/24196/console

Status explanation:
"Unstable" - some tests are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

b166580681e3af173ec368656019d02ba1cc55ad by fuz:
lib/libc/tests/string/memcmp_test.c: extend test to support custom

c6cc06d465a98270ef734ffec7c9012ec3a1bd17 by fuz:
lib/libc/tests/string: expand memcmp test to bcmp, timingsafe_{b,mem}cmp

ebaea1bcd2eb0aa90937637ed305184b6fedc69b by emaste:
x86: AMD Zen2: Zenbleed chicken bit mitigation

bd572be78436473a2ad4c1b78728b739c74ef238 by emaste:
setusercontext(): Fix gap when setting a realtime-class priority

b8c1aadef9d80786daf731300c33d3a001261422 by emaste:
login_cap.c: Don't set errno to ERANGE on memory allocation failure

c4b927c341e23eea17f75d139aafcf58545c5b0e by markj:
geli tests: Use shorter passphrases in setkey_passphrase

ccac440f7cbb013de41aa3933f3f7be77225c44f by brooks:
libprocstat: style: space after switch

6b3bb233cd0c3eeeb70e388a62b142b4f22b62b2 by kib:
amd64 cpu_fetch_syscall_args_fallback(): fix whitespace

39024a89146902ca9aba250130b828ad9aced99d by kib:
syscalls: fix missing SIGSYS for several ENOSYS errors

b82b4ae752501469053979393e33bbfa74fbc9d2 by kib:
sysentvec: add SV_SIGSYS flag

5804a1623054d865618d77cfac86978f03b8111a by kib:
nosys(): add kern.signosys tunable/sysctl to control SIGSYS

7acc4240ce00af540093b47ad00be0508310b515 by kib:
linuxolator: fix nosys() to not send SIGSYS

0afcac3e37e911f7e387ebeb2aae19b2b00ca4cc by kib:
SIGSYS: add tests



The failed test cases:

5 tests failed.
FAILED:  sys.fs.fusefs.mknod.main

Error Message:
Returned non-success exit status 1

FAILED:  sys.netinet6.frag6.frag6_19.frag6_19

Error Message:
Global IPv6 statistics do not match: 19 != 20

FAILED:  sys.net.if_ovpn.if_ovpn.ra

Error Message:
atf-check failed; see the output of the test for details

FAILED:  usr.bin.file.file_test.contrib_file_tests

Error Message:
atf-check failed; see the output of the test for details

FAILED:  sys.fs.tmpfs.times_test.empty

Error Message:
Incorrect atime