Wireshark-bugs: [Wireshark-bugs] [Bug 8828] DCOM-SYSACT dissector crash
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 08 Jul 2013 06:26:59 +0000

Comment # 9 on bug 8828 from 
(In reply to comment #8)
> I replaced some of the assertions with if-branches for expert info in
> r50432. I didn't actually put expert info in to make backporting easier,
> since the expert API has changed.
> 
> There is still one:
> WARNING **: Dissector bug, protocol ISystemActivator, in packet 995:
> packet-dcom-sysact.c:600: failed assertion "len <= size"
> 
> which I'm not sure of.

Evan,

As to this assertion failure, it is also caused by fuzz mutation.

I have capture the picture and mark the abnormal value with oval circle.
I have provided the picture as an attachment.

As we can see, the number is 3355443288, which will be a minus value if 
being treated as a value of type gint. 
That is the reason why "DISSECTOR_ASSERT(len <= size);" fails.

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