Wireshark-bugs: [Wireshark-bugs] [Bug 8352] MP2T dissector tries to combine empty fragments

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 29 Oct 2013 21:54:57 +0000

changed bug 8352

What Removed Added
Status CONFIRMED RESOLVED
CC   [email protected]
Resolution --- FIXED

Comment # 2 on bug 8352 from 
I finally got around to debugging this.

An MPEG2-TS packet that contains a section has a pointer_field. This field
contains the offset to the start of the section. If pointer_field>0, the packet
contains the final fragment of something else, followed by the start of the
section. In this case, a fragment should be added.

If pointer_field==0, the section starts right after the pointer_field. There's
no point in adding a fragment. The mp2t dissector added an empty fragment. This
caused an assert during reassembly.

r52969 should fix this. Hopefully, this covers all cases.

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