Wireshark-bugs: [Wireshark-bugs] [Bug 3422] New dissector for Genisys protocol
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 20 Apr 2009 12:32:17 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3422





--- Comment #5 from Jaap Keuter <jaap.keuter@xxxxxxxxx>  2009-04-20 12:32:15 PDT ---
(In reply to comment #4)
> I'm little unclear on the first part of your comment.  Do you mean that
> tvb_get_ptr might produce a pointer to a buffer that doesn't have 'length'
> bytes?

I guess it will, but how are we to be sure the code respects length? Other than
reviewing all possible code paths and fuzztest it with (non-available) samples
captures.
To avoid all this work the safe tvb access functions were created. This will
gracefully handle these accesses, however flawed they are.


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