$ sudo kyua debug -k /usr/tests/lib/libc/rpc/Kyuafile rpc_test:raw Process with PID 10287 exited with signal 11 and dumped core; attempting to gather stack trace [New LWP 100098] Core was generated by `/usr/tests/lib/libc/rpc/rpc_test -vunprivileged-user=tests -r/tmp/kyua.NuDXK8/2/'. Program terminated with signal SIGSEGV, Segmentation fault. #0 0x0000000000000000 in ?? () #0 0x0000000000000000 in ?? () #1 0x0000000800f1c1ac in svc_getreq_common () from /lib/libc.so.7 #2 0x0000000800f190c0 in ?? () from /lib/libc.so.7 #3 0x0000000000401bd8 in ?? () #4 0x0000000800c4738c in atf_tc_run () from /usr/lib/private/libatf-c.so.1 #5 0x0000000800c44082 in atf_tp_main () from /usr/lib/private/libatf-c.so.1 #6 0x000000000040136f in ?? () #7 0x0000000800623000 in ?? () #8 0x0000000000000000 in ?? () GDB exited successfully Files left in work directory after failure: rpc_test.core rpc_test:raw -> broken: Premature exit; test case received signal 11 (core dumped) $
A commit references this bug: Author: ngie Date: Fri Feb 10 01:26:50 UTC 2017 New revision: 313500 URL: https://svnweb.freebsd.org/changeset/base/313500 Log: Expect :raw to fail with a SIGSEGV on ^/stable/10 I haven't fully dug into why this happens, but it happens deterministically on ^/stable/10, but not on ^/stable/11 or ^/head PR: 216954 Sponsored by: Dell EMC Isilon Changes: stable/10/contrib/netbsd-tests/lib/libc/rpc/t_rpc.c
I'm not in a position to test this, but it's plausible it was fixed in r318327.
A commit references this bug: Author: ngie Date: Tue May 23 19:45:31 UTC 2017 New revision: 318756 URL: https://svnweb.freebsd.org/changeset/base/318756 Log: :raw no longer SIGSEGVs on FreeBSD; revert the signal expectation This is a direct commit to ^/stable/10, since this expectation was only added to ^/stable/10's copy of t_raw.c. PR: 216954 Sponsored by: Dell EMC Isilon Changes: stable/10/contrib/netbsd-tests/lib/libc/rpc/t_rpc.c
Confirmed fixed after recent back ports.