FreeBSD-main-amd64-test - Build #25237 - Still Unstable

FreeBSD-main-amd64-test - Build #25237 (8b0682644e2da9c595d9249c9a0c8eb499421b5e) - Still Unstable

Build information: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25237/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25237/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-main-amd64-test/25237/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)

b667c40f9ff6db3ad5978368b3771e675759b474 by emaste:
src.conf.5: regen after addition of _FORTIFY_SOURCE build knob

8b0682644e2da9c595d9249c9a0c8eb499421b5e by kevans:
Fix the GCC build after _FORTIFY_SOURCE import



The failed test cases:

3 tests failed.
FAILED:  sys.netpfil.common.dummynet.pf_queue

Error Message:
We failed prioritisation 1 times

FAILED:  sys.kern.unix_seqpacket_test.random_eor_and_waitall

Error Message:
/usr/src/tests/sys/kern/unix_seqpacket_test.c:1182: send(params->sock, &params->sendbuf[off], len, flags) == len not met

FAILED:  sys.netinet6.divert.ipdivert_ip6_output_remote_success

Error Message:
1 != 0 (1 != 0)