Re: Fwd: NSD 4.2.0 intermittent segfaults @ libssl ?

Wouter Wijngaards <[email protected]> Tue, 18 Jun 2019 15:44:51 +0200

Newsgroups	gmane.network.dns.nsd.general
Message-ID	<[email protected]>

Hi Andreas,

On 6/18/19 2:51 PM, A. Schulze wrote:
> 
> A. Schulze:
> 
>> now with debug symbols installed :-)
>>
>> (gdb) bt
>> #0  0x00007ffbee334a8a in SSL_free () from
>> /lib/x86_64-linux-gnu/libssl.so.1.1
>> #1  0x000055d50cb2ce1a in cleanup_tcp_handler (data=0x55d50ec17d80) at
>> server.c:3001
>> #2  0x000055d50cb2dfd8 in handle_tcp_reading (fd=<optimized out>,
>> event=<optimized out>, arg=0x55d50ec17d80) at server.c:3188
>> #3  0x00007ffbed81a413 in ev_invoke_pending () from
>> /lib/x86_64-linux-gnu/libev.so.4
>> #4  0x00007ffbed81da06 in ev_run () from /lib/x86_64-linux-gnu/libev.so.4
>> #5  0x00007ffbed81ffd9 in event_base_loop () from
>> /lib/x86_64-linux-gnu/libev.so.4
>> #6  0x000055d50cb30bdd in server_child (nsd=nsd@entry=0x55d50cdbffa0
>> <nsd>) at server.c:2652
>> #7  0x000055d50cb30fcb in restart_child_servers
>> (nsd=nsd@entry=0x55d50cdbffa0 <nsd>,
>> region=region@entry=0x55d50ebf9490, netio=netio@entry=0x55d50ec0f7c0,
>> xfrd_sock_p=0x55d50ebca532) at server.c:427
>> #8  0x000055d50cb3244c in server_main (nsd=0x55d50cdbffa0 <nsd>) at
>> server.c:2200
>> #9  0x000055d50cae3ff7 in main (argc=<optimized out>, argv=<optimized
>> out>) at nsd.c:1147
> 
> should I try to provide more details?

That does not seem necessary, this looks like bug #15, with a commit for it:
https://github.com/NLnetLabs/nsd/commit/ec8d14f8aa32903e894033c678a7268091002a92

Perhaps that commit can solve your problem?

> 
> Andreas
> 
> 
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