smbd segfaults if do_map_to_guest_server_info() fails. See https://retrace.fedoraproject.org/faf/reports/733511/ Patch follows ...
Created attachment 11268 [details] patch for 4.2
Created attachment 11269 [details] patch for 4.1
Comment on attachment 11268 [details] patch for 4.2 Looks good.
Comment on attachment 11269 [details] patch for 4.1 Looks good.
Karolin, please add the patches to the next releases. Thanks!
Pushed to v4-[1,2]-test