Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 12348] New: Incorrect error on MPA pdu length on iWARP packets

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Bug ID	12348
Summary	Incorrect error on MPA pdu length on iWARP packets
Product	Wireshark
Version	1.12.3
Hardware	x86
OS	Windows 7
Status	UNCONFIRMED
Severity	Normal
Priority	Low
Component	Capture file support (libwiretap)
Assignee	bugzilla-admin@wireshark.org
Reporter	michaelsh86@gmail.com

Created attachment 14490 [details]
iWARP

Build Information:
Version 1.12.3 (v1.12.3-0-gbb3e9a0 from master-1.12)

Copyright 1998-2015 Gerald Combs <gerald@wireshark.org> 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 (64-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.2.15, with Gcrypt 1.6.2,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jan  7 2015),
with
AirPcap.

Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 3.2.15, Gcrypt 1.6.2, without AirPcap.
Intel(R) Core(TM) i7-4600M CPU @ 2.90GHz, with 8097MB of physical memory.


Built using Microsoft Visual C++ 10.0 build 40219

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According to RFC5044, the pdu length (in MPA header) doesn't include the
padding bytes.
When there is a padding, although the pdu length appears as a correct value in
the packet, the Wireshark claims that it's incorrect.

It shows an error message that the actual length is not as the expected one.
The weird thing is that the expected value is the one that appears on the
packet.

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