Wireshark-bugs: [Wireshark-bugs] [Bug 1200] Wireshark hangs while opening a particular capture file

From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sat, 4 Nov 2006 00:55:29 +0000 (GMT)

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1200


stephentfisher@xxxxxxxxx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         OS/Version|Windows XP                  |All
           Platform|PC                          |All
            Summary|Wireshark stops reponding on|Wireshark hangs while
                   |files larger than 1.5 meg   |opening a particular capture
                   |                            |file




------- Comment #2 from stephentfisher@xxxxxxxxx  2006-11-04 00:55 GMT -------
Changed summary to better reflect problem.  Updated hardware/OS to all as I can
reproduce it on Windows and FreeBSD. 

This hang is happening in reassemble.c in the for() loop starting at line 751
and at the memcpy() on line 781.  Commenting out the else & memcpy works around
the problem for currently unknown reasons at packet #6230.

Re-saving this file without frame #6230 causes the problem to happen next at
#6304.  One common theme between the two packets is that each is part of a
reassembled group of packets where one packet was included twice, once with
about 1367 bytes and the next time with only 1 byte.  Should this ever happen
in the first place?


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