Wireshark-bugs: [Wireshark-bugs] [Bug 3409] New: Wireshark Crashes in dissect_bssapp With Invali
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 13 Apr 2009 12:44:09 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3409

           Summary: Wireshark Crashes in dissect_bssapp With Invalid
                    sccp_info Pointer
           Product: Wireshark
           Version: 1.0.6
          Platform: x86
        OS/Version: Red Hat
            Status: NEW
          Severity: Critical
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: rbywater@xxxxxxxxxx


Build Information:
Version 1.0.6

Copyright 1998-2009 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+ 2.4.13, with GLib 2.4.7, with libpcap 0.8.3, with libz
1.2.1.2, with POSIX capabilities (Linux), without libpcre, without SMI, without
ADNS, without Lua, without GnuTLS, without Gcrypt, with MIT Kerberos, without
PortAudio, without AirPcap.
NOTE: this build doesn't support the "matches" operator for Wireshark filter
syntax.

Running on Linux 2.6.9-55.0.2.ELsmp, with libpcap version 0.8.3.

Built using gcc 4.1.1 20070105 (Red Hat 4.1.1-53).

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

Check the man page and http://www.wireshark.org for more information.
--
While tracing sua messaging, intermittent wirewshark crashes occur in
dissect_bssapp.  A cursory look at the core files in gdb reveals an invalid
sccp_info pointer.  This happens frequently on our system, however, no method
for reproducing the problem has been identified.

I have multiple core files that all point to the same problem.  Unfortunately,
they are all 40+MB in size.  So, we may need to discuss an alternative means of
adding those files to the bug report.


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