Wireshark-bugs: [Wireshark-bugs] [Bug 6939] New: RFC3261 Decoded CSeq is being limited to 2**31-
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 12 Mar 2012 02:07:29 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6939

           Summary: RFC3261 Decoded CSeq is being limited to 2**31-1
                    (2147483647)
           Product: Wireshark
           Version: 1.7.x (Experimental)
          Platform: x86
               URL: https://reviewboard.asterisk.org/r/1699/
        OS/Version: Debian
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: sivad.a@xxxxxxxxxxxxxxx
                CC: sivad.a@xxxxxxxxxxxxxxx


Build Information:
astrid-test:/usr/src/wireshark# ./tshark -v
TShark 1.7.1 (SVN Rev 40784 from /trunk)

Copyright 1998-2012 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (32-bit) with GLib 2.24.2, with libpcap, with libz 1.2.3.4, without
POSIX capabilities, without SMI, without c-ares, without ADNS, without Lua,
without Python, with GnuTLS 2.8.6, with Gcrypt 1.4.5, with MIT Kerberos,
without
GeoIP.

Running on Linux 2.6.32-5-686, with locale en_NZ.UTF-8, with libpcap version
1.1.1, with libz 1.2.3.4.

Built using gcc 4.4.5.

--
The decoded sequence number (CSeq) is being displayed incorrectly,
an incremented CSeq can reach values upto 2**32-1 (4294967295)

This bug became apparent when debugging asterisk CSeq numbers.
https://reviewboard.asterisk.org/r/1699/ which has now been commited to trunk.

Please Refer to following Errata ID: 3098 and Errata ID: 3102
at http://www.rfc-editor.org/errata_search.php?rfc=3261

Below is the output from tshark 1.7.1 svn

        Call-ID: 7d3dbb3d3b20f172@192.168.5.141
        CSeq: 2147497936 NOTIFY
            Sequence Number: 2147483647            <<< this is incorrect 
            Method: NOTIFY
        User-Agent: Asterisk PBX SVN-trunk-r353466M
        Subscription-State: active
        Event: dialog
        Content-Type: application/dialog-info+xml
        Content-Length: 209
    Message Body
        <?xml version="1.0"?>\n
        <dialog-info xmlns="urn:ietf:params:xml:ns:dialog-info" version="14290"
state="full" entity="sip:8612@192.168.5.41">\n
        <dialog id="8612">\n
        <state>terminated</state>\n
        </dialog>\n
        </dialog-info>\n

I didn't get an emailed copy of this, so sorry if it's a duplicate.

Alec Davis

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