Re: public DoH/DoT dnsdist 1.9.8 exited on signal 11

Remi Gacogne via Pdns-users <[email protected]> Thu, 30 Jan 2025 10:30:36 +0100

Newsgroups	gmane.network.dns.powerdns.user
Message-ID	<[email protected]>

Hi Christoph,

On 29/01/2025 23:26, Christoph via Pdns-users wrote:
> our public DoH/DoT dnsdist instance just crashed.
> It is the first time I see a dnsdist crash.
> Unfortunately we do not have any core dump.
> 
> Jan 29 22:48:09 kernel: pid 75804 (dnsdist), jid 0, uid 208: exited on 
> signal 11 (no core dump - bad address)
> 
> Our dnsdist runs behind an nginx and forwards queries to recursors.
 > [...]
> Are there any currently known bugs that could cause this?

I'm not aware of any bug in 1.9.8 that could cause a crash, no. It's 
hard to narrow it down with the information you have, unfortunately. Did 
you upgrade recently from a previous version of dnsdist (in which case I 
can look at the diff since the previous version)? Or perhaps did you 
change something in the configuration? I don't see anything out of the 
ordinary in your configuration.

Best regards,
-- 
Remi Gacogne
PowerDNS.COM BV - https://www.powerdns.com/

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