Wireshark-bugs: [Wireshark-bugs] [Bug 1976] New: "DISSECTOR_ASSERT_NOT_REACHED" failures in packet-ber.c from LDAP

From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Tue, 6 Nov 2007 04:33:36 +0000 (GMT)

http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1976

           Summary: "DISSECTOR_ASSERT_NOT_REACHED" failures in packet-ber.c
                    from LDAP
           Product: Wireshark
           Version: SVN
          Platform: Macintosh
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: Low
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: guy@xxxxxxxxxxxx


Build Information:
wireshark 0.99.7 (SVN Rev 23369)

Copyright 1998-2007 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+ 2.12.1, with GLib 2.14.2, with libpcap 0.9.5, with libz
1.2.3, 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 Darwin 9.0.0, with libpcap version 0.9.5.

Built using gcc 4.0.1 (Apple Inc. build 5465).


--
 Doing a capture gave a bunch of

    Warn Dissector bug, protocol LDAP, in packet {N}: packet-ber.c:1193: failed
assertion "DISSECTOR_ASSERT_NOT_REACHED"

warnings.

That's from dissect_ber_integer64(), which is warning that the item's length is
between 1 and 8, and that the type of the field is not any of the FT_INTn or
FT_UINTn types.

I don't have the capture (it was a live capture, and I didn't notice the errors
until after I'd quit Wireshark), but I'll look at the LDAP dissector at some
point to see if there are any obvious errors of that sort.


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