Wireshark-bugs: [Wireshark-bugs] [Bug 8431] New Dissector Patch - USB PTP / MTP

Date: Wed, 13 Mar 2013 02:27:05 +0000

Comment # 24 on bug 8431 from
(In reply to comment #23)
> Created attachment 10236 [details]
> Add ddd debugger launch capabilities to test-fuzzed
> 
> I added a -d option to launch ddd for the test-fuzzed replay script.   As a
> non-C guru it was not clear to me that you need to 
> 1. re-run with random environment variables to get the same failure as fuzz
> and
> 2. run everything from libtool

I like the idea, not 100% sure of the implementation. I'll give it some
thought, but I agree that something like this would be good. I did mention the
'special debugging flags' already on the wiki page (in the section on
reproducing fuzz-test failures). The libtool thing is not really my area of
expertise, I just use it :P

> hopefully this can make it to the fuzz page and help the next person.  A
> link from there to http://wiki.wireshark.org/Development/Tips would be great
> too.

Good idea. I will fit that in somewhere.

> Also, it would be nice if there were a way to turn off -O2 easily so the
> debugger is more effective.  I manually hacked configure and did a make
> clean, but perhaps there is an easier way.

Not that I'm aware of. I've just gotten used to debugging optimized code, which
is a terrible answer, I know. If you think of something better, patches are
welcome :)


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