samba - Apr 2023 - Problem with Samba 4.18 and Zabbix-Server 6.x

Hello samba-people,

Ive upgraded our Debian Bullseye servers to Samba 4.18 (thanks to mjt's 
repositories) and zabbix-server refuses to start with a seg fault. 
Downgrading back to 4.17 (from bullseye-backports) fixes the issue.

This happens with Zabbix Server 6.2.7, 6.2.8, 6.2.9, 6.4.0 and 6.4.1. 
Ive created a bug report for zabbix here: 
https://support.zabbix.com/browse/ZBX-22658. You can find a (kinda big) 
log file there too.

But I think maybe samba is at fault here, because downgrading to 4.17 
fixes the SIGSEGV.

Does anybody have any insight on why zabbix is crashing after updating 
samba? The libnss_* libraries seem to be loaded into zabbix - maybe they 
are doing something wrong?

Thanks and have a nice day, Matthias.

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