nsd users - Jun 2019 - Fwd: NSD 4.2.0 intermittent segfaults @ libssl ?

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 at entry=0x55d50cdbffa0  
> <nsd>) at server.c:2652
> #7  0x000055d50cb30fcb in restart_child_servers  
> (nsd=nsd at entry=0x55d50cdbffa0 <nsd>,  
> region=region at entry=0x55d50ebf9490,  
> netio=netio at 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?

Andreas

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 at entry=0x55d50cdbffa0
>> <nsd>) at server.c:2652
>> #7? 0x000055d50cb30fcb in restart_child_servers
>> (nsd=nsd at entry=0x55d50cdbffa0 <nsd>,
>> region=region at entry=0x55d50ebf9490, netio=netio at
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
> 
> 
> _______________________________________________
> nsd-users mailing list
> nsd-users at NLnetLabs.nl
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