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Bug ID	10165
Summary	USB Dissector Bug: Fails Assertion for Class-specific control in URBs
Classification	Unclassified
Product	Wireshark
Version	Git
Hardware	x86
OS	All
Status	UNCONFIRMED
Severity	Major
Priority	Low
Component	Dissection engine (libwireshark)
Assignee	bugzilla-admin@wireshark.org
Reporter	sean.stalley@intel.com

Build Information:
wireshark 1.99.0 (v1.99.0-rc1-172-g60ce7bc from unknown)

Copyright 1998-2014 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+ 3.8.6, with Cairo 1.12.16, with Pango 1.32.5, with
GLib 2.38.1, with libpcap, with libz 1.2.8, with POSIX capabilities (Linux),
without libnl, without SMI, without c-ares, without ADNS, without Lua, without
Python, with GnuTLS 2.12.23, with Gcrypt 1.5.0, with MIT Kerberos, without
GeoIP, without PortAudio, with AirPcap.

Running on Linux 3.11.0-22-generic, with locale en_US.UTF-8, with libpcap
version 1.4.0, with libz 1.2.8, GnuTLS 2.12.23, Gcrypt 1.5.0, without AirPcap.
       Intel(R) Core(TM) i7-2600K CPU @ 3.40GHz

Built using gcc 4.8.1.
--
Seen using the usb_memory_stick.pcap trace:
http://wiki.wireshark.org/SampleCaptures?action="">

the URB_CONTROL in packets which should be passed on to the USBHUB dissector
fail the assertion member->length.

This patch unintentionally fixes the problem:
https://code.wireshark.org/review/#/c/1992/

Terminal Error Output:

10:04:51          Warn Dissector bug, protocol USB, in packet 3:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 7:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 9:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 11:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 13:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 15:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 19:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 29:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 51:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 53:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 3:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 7:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 9:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 11:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 13:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 15:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 19:
tvbuff_composite.c:235: failed assertion "member->length"
10:04:51          Warn Dissector bug, protocol USB, in packet 29:
tvbuff_composite.c:235: failed assertion "member->length"
10:12:36          Warn Dissector bug, protocol USB, in packet 9:
tvbuff_composite.c:235: failed assertion "member->length"

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