Wireshark-bugs: [Wireshark-bugs] [Bug 1001] New: free() invalid pointer in dissect_802_3 at packet-ieee8023.c:71

From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 13 Jul 2006 21:16:54 +0000 (GMT)

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1001

           Summary: free() invalid pointer in dissect_802_3 at packet-
                    ieee8023.c:71
           Product: Wireshark
           Version: 0.99.0
          Platform: PC
               URL: http://bugs.gentoo.org/show_bug.cgi?id=133092
        OS/Version: Linux
            Status: NEW
          Severity: Major
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: gentoo-a7x@xxxxxxxxxxxxxxx


(repost of http://bugs.ethereal.com/bugzilla/show_bug.cgi?id=1019)
--
Build information:
# ethereal -v
ethereal 0.99.0

Copyright 1998-2006 Gerald Combs <gerald@xxxxxxxxxxxx> 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+ 2.8.19, with GLib 2.10.3, with libpcap 0.9.4,
with libz 1.2.3, with libpcre 6.3, without UCD-SNMP or Net-SNMP, without ADNS,
without Lua.

Running with libpcap version 0.9.4 on Linux 2.6.16-gentoo-r12-t3.
--

The exception handling code at line 71 of packet-ieee8023.c attempts to free an
invalid pointer.  Neither ethereal nor tethereal will run for more than a few
milliseconds before crashing:

# ethereal  (then click on "Start a new live capture")
*** glibc detected *** free(): invalid pointer: 0xbfc980c8 ***
Aborted (core dumped)

# tethereal
Capturing on eth0
*** glibc detected *** free(): invalid pointer: 0xbfc77d28 ***
Aborted (core dumped)

Full stack traces and a few more details are available at Gentoo's bugzilla
(http://bugs.gentoo.org/show_bug.cgi?id=133092).


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