Wireshark-bugs: [Wireshark-bugs] [Bug 12535] New: L2 packets like Probe requests shown as Malfor
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 15 Jun 2016 20:42:35 +0000
Bug ID 12535
Summary L2 packets like Probe requests shown as Malformed packets
Product Wireshark
Version 2.0.4
Hardware x86
OS Windows 7
Status UNCONFIRMED
Severity Major
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter mastersyl@gmail.com 

Created attachment 14654 [details]
Wireless capture with Ixia VeriWave

Build Information:
Version 2.0.4 (v2.0.4-0-gdd7746e 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 C, 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) Core(TM) i5-4300U CPU @ 1.90GHz (with SSE4.2), with 8089MB 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.
--
Wireless capture included

With the latest version of Wireshark, some of the packets are shownn as
malformed while with version Version 1.12.12 (v1.12.12-0-g2f634e8 from
master-1.12) this problem does not occurs.

Packet 193: Probe request is Malformed.  The following discrepencies was
observed:
in 2.0.4
ixveriwave.frame_length == 95
frame[155:4] == e0:f9:53:c0 added

In 1.12.12
ixveriwave.frame_length == 74

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