[Oisf-devel] 77b708=WIN?

[Martin Holste]

Must be some kind of concurrency issue or thread locking or something.  As I
said, the segfaults seem to only occur when under the highest load.  OTOH,
I'm not able to reproduce my issue from a readfile, so I'm skeptical that
it's the same one, but hopefully it's related.  Godspeed!

On Thursday, September 29, 2011, Victor Julien <victor at inliniac.net> wrote:
> On 09/26/2011 09:22 PM, Martin Holste wrote:
>>> How much ram does this take?
>> About 18 GB.  I have 144, so this is no problem for me :)
>>
>>> You're running the git master which was last updated the 21st, so we
>>> won't have later code that can be of influence.
>>
>> Ok, maybe it's running with the ac full that's done it, but I thought
>> I had tried that before.
>>
>> Meanwhile, no joy on the segfaults:
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> [Switching to Thread 0x7fffd8ff9710 (LWP 9655)]
>> 0x00007ffff67e4f19 in free () from /lib64/libc.so.6
>> (gdb) bt
>> #0  0x00007ffff67e4f19 in free () from /lib64/libc.so.6
>> #1  0x00007ffff7bd884e in htp_tx_destroy (tx=0x7ffe200aef80) at
>> htp_transaction.c:115
>> #2  0x00007ffff7bd5e12 in htp_conn_destroy (conn=0x7fff5a0bfb90) at
>> htp_connection.c:65
>> #3  0x00007ffff7bd1112 in htp_connp_destroy_all (connp=0x7fffe746e4c0)
>> at htp_connection_parser.c:197
>> #4  0x000000000061f97a in HTPStateFree (state=<value optimized out>)
>> at app-layer-htp.c:210
>> #5  0x000000000061399b in AppLayerParserCleanupState
>> (f=0x7ffea0459c60) at app-layer-parser.c:1240
>> #6  0x0000000000437665 in FlowL7DataPtrFree (f=0x4007ffe200afef0) at
flow.c:127
>> #7  0x00000000004376cf in FlowClearMemory (f=0x7ffea0459c60,
>> proto_map=<value optimized out>) at flow.c:1323
>> #8  0x00000000004379a3 in FlowPrune (q=0x9441d0, ts=0x7fffd8ff8e60,
>> try_cnt=0) at flow.c:372
>> #9  0x000000000043a682 in FlowManagerThread (td=<value optimized out>)
>> at flow-manager.c:170
>> #10 0x00007ffff6f265f0 in start_thread () from /lib64/libpthread.so.0
>> #11 0x00007ffff683f87d in clone () from /lib64/libc.so.6
>> #12 0x0000000000000000 in ?? ()
>>
>
> I'm tracing a similar and hopefully related segv condition currently.
> It's a tricky one. It always happens in the same place in the pcap, but
> when I extract the exact stream it's fine. Odd. Oh well, digging deeper.
>
> --
> ---------------------------------------------
> Victor Julien
> http://www.inliniac.net/
> PGP: http://www.inliniac.net/victorjulien.asc
> ---------------------------------------------
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openinfosecfoundation.org/pipermail/oisf-devel/attachments/20110929/03610634/attachment-0002.html>