I am expecting that RHEL7.5 still has problems with Samba and SSSD library problems e.g. I
see this comment indicating that RHEL 7.5 beta sssd (even with default Samba in RHEL) is
broken
https://github.com/cockpit-project/cockpit/issues/7916
The crash is in a similar location (memberof.so+1000):
-- Unit sssd.service has begun starting up.
Nov 03 00:04:03
sfrench-dd1-protocols-021117223937311.lab.com sssd[13557]: Starting up
Nov 03 00:04:03
sfrench-dd1-protocols-021117223937311.lab.com kernel: sssd[13557]:
segfault at 7f7d149a5d78 ip 00007f7d149a5d78 sp 00007ffe4fc16fd8 error 15 in
memberof.so[7f7d149a5000+1000]
Nov 03 00:04:03
sfrench-dd1-protocols-021117223937311.lab.com systemd[1]: sssd.service:
control process exited, code=exited status=1
Nov 03 00:04:03
sfrench-dd1-protocols-021117223937311.lab.com systemd[1]: Failed to start
System Security Services Daemon.