kerberos_fetch_pac() can segfault if pac_blob is passed as NULL and then the NULL pointer is dereferenced.
Created attachment 10590 [details] v4-2-test patch
Created attachment 10591 [details] v4-1-test patch This is a backport, not just a cherry-pick!
Comment on attachment 10591 [details] v4-1-test patch LGTM.
Re-assigning to Karolin for inclusion in 4.1.next, 4.2.0.
(In reply to Jeremy Allison from comment #4) Pushed to autobuild-v4-[1|2]-test.
Pushed to both branches. Closing out bug report. Thanks!