samba - Jul 2024 - Bind9 9.18.28 crashes after loading AD DNS Zone

On Fri, 26 Jul 2024 08:38:58 +0200
Matthias K?hne | Ellerhold Aktiengesellschaft via samba
<samba at lists.samba.org> wrote:
> Hello lovely samba-people,
> 
> this morning all of our DCs (debian bookworm) upgraded their bind9 
> packages to 9.18.28 (from 9.18.24). Afterwards the named service
> would not come up successfully and crash after loading the DLZ:
> 
> Jul 26 07:32:12 rad-1.ad.ellerhold.lan named[1903]: sizing zone task 
> pool based on 64 zones
> Jul 26 07:32:12 rad-1.ad.ellerhold.lan named[1903]: Loading 'AD DNS 
> Zone' using driver dlopen
> Jul 26 07:32:13 rad-1.ad.ellerhold.lan named[1903]: free(): invalid
> size Jul 26 07:32:13 rad-1.ad.ellerhold.lan systemd[1]:
> named.service: Main process exited, code=dumped, status=6/ABRT
> Jul 26 07:32:13 rad-1.ad.ellerhold.lan systemd[1]: named.service:
> Failed with result 'core-dump'.
> 
> This was rather bad, because all of our DC did update at the same
> time and weve lost all DNS abilities... Downgrading to 9.18.24 fixes
> the issue and named works again.
> 
> I guess this crash happens because of the Samba DLZ? Were currently
> at Samba version 2:4.20.2+dfsg-7~mjt-deb12 .
> 
> Is this issue known? 
Yes
> Can I somehow help to diagnose this?
I can tell you how to fix it, never mind diagnose it ;-)

See here:

https://lists.samba.org/archive/samba/2024-July/249371.html

Rowland

Hello Rowland,

thank you very much!

Ive read the mails but I didnt realize that this may be the same problem.

I can confirm that your workaround fixes the issue.

Regards, Matthias.

Am 26.07.24 um 08:48 schrieb Rowland Penny via samba:
> On Fri, 26 Jul 2024 08:38:58 +0200
> Matthias K?hne | Ellerhold Aktiengesellschaft via samba
> <samba at lists.samba.org> wrote:
>
>> Hello lovely samba-people,
>>
>> this morning all of our DCs (debian bookworm) upgraded their bind9
>> packages to 9.18.28 (from 9.18.24). Afterwards the named service
>> would not come up successfully and crash after loading the DLZ:
>>
>> Jul 26 07:32:12 rad-1.ad.ellerhold.lan named[1903]: sizing zone task
>> pool based on 64 zones
>> Jul 26 07:32:12 rad-1.ad.ellerhold.lan named[1903]: Loading 'AD DNS
>> Zone' using driver dlopen
>> Jul 26 07:32:13 rad-1.ad.ellerhold.lan named[1903]: free(): invalid
>> size Jul 26 07:32:13 rad-1.ad.ellerhold.lan systemd[1]:
>> named.service: Main process exited, code=dumped, status=6/ABRT
>> Jul 26 07:32:13 rad-1.ad.ellerhold.lan systemd[1]: named.service:
>> Failed with result 'core-dump'.
>>
>> This was rather bad, because all of our DC did update at the same
>> time and weve lost all DNS abilities... Downgrading to 9.18.24 fixes
>> the issue and named works again.
>>
>> I guess this crash happens because of the Samba DLZ? Were currently
>> at Samba version 2:4.20.2+dfsg-7~mjt-deb12 .
>>
>> Is this issue known?
> Yes
>
>> Can I somehow help to diagnose this?
> I can tell you how to fix it, never mind diagnose it ;-)
>
> See here:
>
> https://lists.samba.org/archive/samba/2024-July/249371.html
>
> Rowland
>
>
-- 
Senior Webentwickler
Datenschutzbeauftragter

Ellerhold Aktiengesellschaft
Friedrich-List-Str. 4
01445 Radebeul

Telefon: +49 (0) 351 83933-61
Web: www.ellerhold.de
Facebook: www.facebook.com/ellerhold.gruppe
Instagram: www.instagram.com/ellerhold.gruppe
LinkedIn: www.linkedin.com/company/ellerhold-gruppe

Amtsgericht Dresden / HRB 23769
Vorstand: Stephan Ellerhold, Maximilian Ellerhold
Vorsitzender des Aufsichtsrates: Frank Ellerhold



---Diese E-Mail und Ihre Anlagen enthalten vertrauliche Mitteilungen. Sollten
Sie nicht der beabsichtigte Adressat sein, so bitten wir Sie um Mitteilung und
um sofortiges l?schen dieser E-Mail und der Anlagen.

Unsere Hinweise zum Datenschutz finden Sie hier:
http://www.ellerhold.de/datenschutz/

This e-mail and its attachments are privileged and confidential. If you are not
the intended recipient, please notify us and immediately delete this e-mail and
its attachments.

You can find our privacy policy here: http://www.ellerhold.de/datenschutz/