[Snort-devel] Snort Segmentation Fault

Russ Combs rcombs at ...402...
Thu Feb 14 16:05:47 EST 2013


Thanks.  I do not have BotHunter.  The pcap and your conf, suitably
modified, do not cause an issue on my 292.

-- Can you send the backtrace from the core file?  You will need to build
with debug enabled.

-- Can you reproduce w/o BotHunter?

-- Can you test with the latest Snort release?

Thanks
Russ

On Thu, Feb 14, 2013 at 3:17 PM, z@@f at ...3370... @}{m3D <go2zaafar at ...2499...> wrote:

> To make the email short,
> Here is the output of snort running over this pcap file. (
> http://sysnet.org.pk/upload/snort_issue_output.txt)
> Here is the script I used to run snort (
> http://sysnet.org.pk/upload/run_snort_script.txt). This is basically
> "runsnort.sh" script that comes with BotHunter to run snort.
>
> final command line this script generate is like this:-
>
> snort-2.9.0.1-bh/src/snort -r theOne.pcap -u $_curUser -S "snort_sym_config=snort_bh_syms.conf" -c snort.curruser.conf
>
>
> Here(http://sysnet.org.pk/upload/snort_bh_syms.conf) is
> snort_bh_syms.conf file.
> Here(http://sysnet.org.pk/upload/snort.curruser.conf) is
> snort.curruser.conf.
>
> *current scripts/outputs/configs are of snort-2.9.0.1 but I tried with
> latest release of BotHunter, which contain snort-2.9.2.3 and same bug.
>
> Regards,
> Zaafar
>
>
> On Thu, Feb 14, 2013 at 11:20 PM, Russ Combs <rcombs at ...402...>wrote:
>
>> Hi - thanks for the report.  Can you also provide your build options,
>> conf, and command line?
>>
>>  On Thu, Feb 14, 2013 at 1:05 PM, z@@f at ...3370... @}{m3D <go2zaafar at ...2499...>wrote:
>>
>>> Hello,
>>>
>>> I was running BotHunter ( latest, the one that uses "Snort 2.9.2.3 +
>>> applied numerous stability (bug) fixes." ) and snort was crashing on my
>>> 500GB pcap file. Upon digging into the main cause, there was a dns query
>>> that was crashing snort.
>>>
>>> Here (http://sysnet.org.pk/upload/theOne.pcap) is the pcap file
>>> containing only 1 packet that crashes snort. To testing this pcap, use
>>> "115.186.147.79" as your HOME_NET. I bypassed this bug by removing this IP
>>> from the list of HOME_NET.
>>>
>>> Regards,
>>> Zaafar
>>>
>>>
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>>
>>
>
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