Created attachment 184118 [details] files/patch-fts_mailbox_list_deinit If FTS is enabled, "imap" crashes reproducible for specific combinations of users and mail clients: Jul 6 07:05:43 imap dovecot: imap(username): Fatal: master: service(imap): child 42247 killed with signal 11 (core not dumped - set service imap { drop_priv_before_exec=yes }) This is a known bug according to http://www.mail-archive.com/dovecot@dovecot.org/msg70073.html A fix exists but hasn't been merged to release branch. Attached is a drop-in patch for the port.
The patch is part of current dovecot-2.2.32 so this case can be closed.
Oh geez I forgot all about this PR! Sorry about that, thank you for tracking the fix.