Wireshark-bugs: [Wireshark-bugs] [Bug 10731] New: Buildbot crash output: fuzz-2014-11-26-6119.pc
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 26 Nov 2014 14:50:02 +0000
Bug ID 10731
Summary Buildbot crash output: fuzz-2014-11-26-6119.pcap
Product Wireshark
Version unspecified
Hardware x86-64
URL https://www.wireshark.org/download/automated/captures/fuzz-2014-11-26-6119.pcap
OS Ubuntu
Status CONFIRMED
Severity Major
Priority High
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter buildbot-do-not-reply@wireshark.org 

Problems have been found with the following capture file:

https://www.wireshark.org/download/automated/captures/fuzz-2014-11-26-6119.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/42-etherXXXXLKiDsS

Build host information:
Linux wsbb04 3.13.0-39-generic #66-Ubuntu SMP Tue Oct 28 13:30:27 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 14.04.1 LTS
Release:    14.04
Codename:    trusty

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_BUILDNUMBER=3071
BUILDBOT_URL=http://buildbot.wireshark.org/trunk/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_SLAVENAME=clang-code-analysis
BUILDBOT_GOT_REVISION=691f647acdfee71ef37453f146674999a2b43b6c

Return value:  134

Dissector bug:  0

Valgrind error count:  0



Git commit
commit 691f647acdfee71ef37453f146674999a2b43b6c
Author: AndersBroman <anders.broman@ericsson.com>
Date:   Wed Nov 26 13:36:03 2014 +0100

    [MGCP] When changing tvb_length(tvb) -> tvb_reported_length(tvb) it turns
    out that tvb_new_subset(tvb, tvb_sectionbegin, sectionlen, -1) causes a
    problem as reported_length is set to -1, set it to sectionlen.

    Change-Id: I650d3fa1390be5add66ed44d0f70929b9eb0aad6
    Reviewed-on: https://code.wireshark.org/review/5505
    Reviewed-by: Anders Broman <a.broman58@gmail.com>


Command and args:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install/bin/tshark
-nVxr

**
ERROR:wmem_allocator_strict.c:77:wmem_strict_block_check_canaries: assertion
failed: (canary[i] == WMEM_CANARY_VALUE)

[ no debug trace ]

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