Wireshark-bugs: [Wireshark-bugs] [Bug 11486] New: Buildbot crash output: fuzz-2015-08-29-3107.pc
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sat, 29 Aug 2015 20:20:02 +0000
Bug ID 11486
Summary Buildbot crash output: fuzz-2015-08-29-3107.pcap
Product Wireshark
Version unspecified
Hardware x86-64
URL https://www.wireshark.org/download/automated/captures/fuzz-2015-08-29-3107.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-2015-08-29-3107.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/coap-cbor.pcap

Build host information:
Linux wsbb04 3.13.0-61-generic #100-Ubuntu SMP Wed Jul 29 11:21:34 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 14.04.3 LTS
Release:    14.04
Codename:    trusty

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_BUILDNUMBER=3305
BUILDBOT_URL=http://buildbot.wireshark.org/trunk/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_SLAVENAME=clang-code-analysis
BUILDBOT_GOT_REVISION=1663224c24b38dac3218c8690d1035f5b63a548f

Return value:  134

Dissector bug:  0

Valgrind error count:  0



Git commit
commit 1663224c24b38dac3218c8690d1035f5b63a548f
Author: Guy Harris <guy@alum.mit.edu>
Date:   Fri Aug 28 16:31:33 2015 -0700

    Block sizes are unsigned 32-bit quantities; don't stuff them into an int.

    *Especially* don't stuff the amount of remaining data in a block into an
    int that will then be passed to file_skip() as an amount to skip ahead,
    as a Really Large Value will turn into a negative value and produce
    various forms of bizarre and tricky-to-debug behavior.

    Change-Id: I4d0a6b36fe50df84925690ad688a3ab0433ceb17
    Reviewed-on: https://code.wireshark.org/review/10299
    Reviewed-by: Guy Harris <guy@alum.mit.edu>


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

**
ERROR:wmem_core.c:50:wmem_alloc: assertion failed: (allocator->in_scope)

[ no debug trace ]

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