Wireshark-dev: Re: [Wireshark-dev] fuzz testing segfault found
From: Matthijs Mekking <matthijs@xxxxxxxxxxxx>
Date: Mon, 05 Mar 2007 10:10:54 +0100
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Done: http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1415

I should correct myself: With wireshark 0.99.4 it produces a SIGTRAP,
wireshark 0.99.4-shim6 produces a segfault...

Matthijs

Stephen Fisher wrote:
> On Thu, Mar 01, 2007 at 04:06:15PM +0100, Matthijs Mekking wrote:
> 
>> when I was fuzz testing my shim6 (www.shim6.org) enabled wireshark 
>> implementation, I found a segfault during the testing of:
>>
>> http://wiki.wireshark.org/SampleCaptures?action=AttachFile&do=get&target=iseries.cap
>>
>> However, when fuzz testing the original wireshark (0.99.4), this same 
>> error occurs. So, I assume it was not in my newly written code, but an 
>> earlier error. Thought I should mention it.
> 
> Thanks for bringing this to our attention.  The fuzz test script 
> introduces errors into a capture file and then runs tshark on the new 
> file to make sure it doesn't crash.  This means that your run of 
> fuzz-test.sh may be different than mine (which just ran over 700 times 
> on that capture file without a crash).  There should be a capture file 
> file in your /tmp directory with the name fuzz-<date+pid>.pcap that 
> caused the crash.  Could you attach that file to a new bug report 
> (compressing the file with gzip will reduce the size a lot) so we can 
> find and test a fix.
> 
> 
> Steve
> 
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> 

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