The rspamd version 3.11.0 from server:mail segfaults on startup on Leap 15.6.
(Yes, this is no official version but could also affect Tumbleweed or other
backports.)

The following happens directly after trying to start the service:

Dez 21 09:54:03 ds9 rspamd[2522]: Stack trace (most recent call last):
Dez 21 09:54:03 ds9 rspamd[2522]: #10   Object "[0xffffffffffffffff]", at
0xffffffffffffffff, in
Dez 21 09:54:03 ds9 rspamd[2522]: #9    Object "/usr/bin/rspamd", at
0x563da9ce3f50, in
Dez 21 09:54:03 ds9 rspamd[2522]: #8    Object "/lib64/libc.so.6", at
0x7fc787c40fb4, in __libc_start_main
Dez 21 09:54:03 ds9 rspamd[2522]: #7    Object "/lib64/libc.so.6", at
0x7fc787c40eeb, in
Dez 21 09:54:03 ds9 rspamd[2522]: #6    Object "/usr/bin/rspamd", at
0x563da9ce34e8, in
Dez 21 09:54:03 ds9 rspamd[2522]: #5    Object
"/usr/lib64/librspamd-server.so", at 0x7fc7884a2904, in
rspamd_default_log_function
Dez 21 09:54:03 ds9 rspamd[2522]: #4    Object
"/usr/lib64/librspamd-server.so", at 0x7fc7884a286c, in rspamd_default_logv
Dez 21 09:54:03 ds9 rspamd[2522]: #3    Object
"/usr/lib64/librspamd-server.so", at 0x7fc7884a22bd, in rspamd_common_logv
Dez 21 09:54:03 ds9 rspamd[2522]: #2    Object
"/usr/lib64/librspamd-server.so", at 0x7fc78855ab84, in rspamd_vsnprintf
Dez 21 09:54:03 ds9 rspamd[2522]: #1    Object
"/usr/lib64/librspamd-server.so", at 0x7fc78855a572, in rspamd_vprintf_common
Dez 21 09:54:03 ds9 rspamd[2522]: #0    Object "/lib64/libc.so.6", at
0x7fc787cca6b6, in
Dez 21 09:54:03 ds9 rspamd[2522]: Segmentation fault (Address not mapped to
object [0xd5269d40])

Downgrading to 3.10.2 (one revision earlier from OBS) solved the issue.