Wireshark-bugs: [Wireshark-bugs] [Bug 6659] New: lapdm dissector tries to defragment segment of
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sat, 10 Dec 2011 06:11:13 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6659

           Summary: lapdm dissector tries to defragment segment of
                    different streams
           Product: Wireshark
           Version: SVN
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Trivial
          Priority: Low
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: laforge@xxxxxxxxxxxx


Harald Welte <laforge@xxxxxxxxxxxx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Attachment #7557|                            |review_for_checkin?
               Flag|                            |

Created an attachment (id=7557)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=7557)
patch to use circuit_id and p2p_dir in lapdm defragmentor

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
When thre are LAPDm fragments of multiple streams in one pcap file, the LAPDm
dissector mixes them up, i.e. tries to combine fragments of multiple streams
together into one stream.

In order to fix this, we can use fields like pinfo->circuit_id and
pinfo->p2p_dir which have to be set by the underlying link layer.

Thanks to Sylvain Munaut <tnt@xxxxxxxxxxx> and iZsh for the fix/patch

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