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Wireshark-dev: Re: [Wireshark-dev] Malformed packet

From: Brian Oleksa <oleksab@xxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 18 Feb 2010 13:57:33 -0500

Mike

Unfortunately.. I do not have a debugger available.

It doesn't appear to be reading beyond the end of the packet....but without a debugger handy... I am not sure how I can tell.

Any other help is greatly appreciated.

Thanks,
Brian



Mike Morrin wrote:
-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx
[mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of Brian Oleksa
Sent: 18 February 2010 15:49
To: Developer support list for Wireshark
Subject: [Wireshark-dev] Malformed packet


Why would I be getting a Malformed Packet error..??

I wrote a dissector where I am dissecting several packets to which I am very happy with the outcome in the wireshark gui. I am getting exactly what I am expecting to get (as I hard coded the data in the packets).

But at the end of every packet... I get this highlighted pink line that says "Malformed Packet".

Again....I am very happy with the outcome of all the packets that I am dissecting (which tells me that my dissector "appears" to be working properly).

Any ideas..??

Is your dissector trying to read beyond the end of the packet?

If you can run inside a debugger, then try putting a breakpoint on the
Wireshark exception handler, it should quickly show you how the
exception is triggered.





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