Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 12676] New: Dissector bug, protocol CIP: C:\buildbot\wireshark

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Bug ID	12676
Summary	Dissector bug, protocol CIP: C:\buildbot\wireshark
Product	Wireshark
Version	unspecified
Hardware	x86-64
OS	Windows 7
Status	UNCONFIRMED
Severity	Major
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	timsang@gmail.com

Created attachment 14770 [details]
pcap with error

Build Information:
Version 2.0.5 (v2.0.5-0-ga3be9c6 from master-2.0)

Copyright 1998-2016 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 (64-bit) with Qt 5.3.2, with WinPcap (4_1_3), with libz 1.2.8, with
GLib 2.42.0, with SMI 0.4.8, with c-ares 1.11.0, with Lua 5.2, with GnuTLS
3.2.15, with Gcrypt 1.6.2, with MIT Kerberos, with GeoIP, with QtMultimedia,
with AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with locale
English_United States.1252, with WinPcap version 4.1.3 (packet.dll version
4.1.0.2980), based on libpcap version 1.0 branch 1_0_rel0b (20091008), with
GnuTLS 3.2.15, with Gcrypt 1.6.2, without AirPcap.
       Intel(R) Xeon(R) CPU E5-1620 0 @ 3.60GHz (with SSE4.2), with 8149MB of
physical memory.


Built using Microsoft Visual C++ 12.0 build 40629

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

Check the man page and http://www.wireshark.org for more information.
--
I was using 2.0.2 earlier today and was dissecting CIP ETHERNET/IP industrial
protocol without issue.  I upgraded to 2.0.5 and the same pcap is now showing:

[Dissector bug, protocol CIP:
C:\buildbot\wireshark\wireshark-2.0-64\windows-2012r2-x64\build\epan\tvbuff.c:532:
failed assertion "tvb && tvb->initialized"]

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