[Samba] bind9 failure when using dlz_bind

samba samba at txschroeder.family
Thu Jun 27 20:53:03 UTC 2024


Using latest samba 4.20.2 from Debian Trixie repositories, the latest 
bind9 upgrade to version 9.19.24 fails to start on DC's using dlz_bind.  
Reverting back to bind9 9.19.21 restores full functionality.  On 
standalone systems running the same samba version with the latest bind9, 
named starts with no issues.

The most recent dlz_bind version available is dlz_bind9_18.so. Since the 
kernel is mentioned in the error, that version is linux-image-6.8.12-amd64.

The syslog error message is shown below.  Has anyone else experienced this?

Dale

024-06-27T15:09:06.107527-05:00 dc1 named[241471]: generating session key for dynamic DNS
2024-06-27T15:09:06.108437-05:00 dc1 named[241471]: Loading 'AD DNS Zone' using driver dlopen
2024-06-27T15:09:06.194010-05:00 dc1 kernel: named[241471]: segfault at 8 ip 00007f8684019340 sp 00007ffc10f80760 error 4 in libc.so.6[7f8683fa8000+157000] likely on CPU 2 (core 2, socket 0)

2024-06-27T15:09:06.195998-05:00 dc1 systemd[1]: named.service: Main process exited, code=killed, status=11/SEGV
2024-06-27T15:09:06.196199-05:00 dc1 systemd[1]: named.service: Failed with result 'signal'.
2024-06-27T15:09:06.196534-05:00 dc1 systemd[1]: Failed to start named.service - BIND Domain Name Server.




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