Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 5450] New: Reassembly function works with V1.2.1, but doesn't work with V1.4.1

[bugzilla-daemon@xxxxxxxxxxxxx]

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5450

           Summary: Reassembly function works with V1.2.1, but doesn't
                    work with V1.4.1
           Product: Wireshark
           Version: 1.4.1
          Platform: x86
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: slx3zhu@xxxxxxxxx


Created an attachment (id=5538)
 --> (https://bugs.wireshark.org/bugzilla/attachment.cgi?id=5538)
some values passed to "fragment_add_seq_check()" and returned values from that
func and "process_reassembled_data()"

Build Information:
Version 1.4.1-myprotocol123

Copyright 1998-2010 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 with GTK+ 2.16.6, (32-bit) with GLib 2.22.4, with WinPcap (version
unknown), with libz 1.2.3, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.8.5, with
Gcrypt 1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Nov
 5 2010), with AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.2
(packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.5, Gcrypt 1.4.5, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 30729

Wireshark is Open Source Software released under the GNU General Public
License.

Check the man page and http://www.wireshark.org for more information.
--
A special dissector is compiled with Wireshark 1.4.1. The reassembly function
is working in Wireshark 1.2.1 environment, but it does not work with Wireshark
1.4.1, i.e. the message is segmented into three parts with both versions. It is
able to reassemble in 1.2.1, but unable to do in 1.4.1. When run with 1.4.1,
the return value from the function "fragment_add_seq_check()" is NULL pointer.
In 1.2.1, it returns a pointer (see the attachment).

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