Wireshark-bugs: [Wireshark-bugs] [Bug 13091] New: Buildbot crash output: fuzz-2016-11-04-5740.pc
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 04 Nov 2016 06:10:04 +0000
Bug ID 13091
Summary Buildbot crash output: fuzz-2016-11-04-5740.pcap
Product Wireshark
Version unspecified
Hardware x86-64
URL https://www.wireshark.org/download/automated/captures/fuzz-2016-11-04-5740.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-2016-11-04-5740.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/11275-cops-fuzz-test.pcap

Build host information:
Linux wsbb04 4.4.0-45-generic #66-Ubuntu SMP Wed Oct 19 14:12:37 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 16.04.1 LTS
Release:    16.04
Codename:    xenial

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_WORKERNAME=clang-code-analysis
BUILDBOT_BUILDNUMBER=3770
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_GOT_REVISION=f269290252aaec71eca184292eb5ba1681c6e2e6

Return value:  0

Dissector bug:  0

Valgrind error count:  1



Git commit
commit f269290252aaec71eca184292eb5ba1681c6e2e6
Author: Joakim Karlsson <oakimk@gmail.com>
Date:   Tue Nov 1 19:36:32 2016 +0100

    gtp: decoding correlation-id

    Change-Id: Ie9d399c10b6599bfc463e27ca3cfcb3c06d8b588
    Reviewed-on: https://code.wireshark.org/review/18605
    Petri-Dish: Alexis La Goutte <alexis.lagoutte@gmail.com>
    Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
    Reviewed-by: Anders Broman <a.broman58@gmail.com>


==24444== Memcheck, a memory error detector
==24444== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==24444== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==24444== Command:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install.plain/bin/tshark
-nr /fuzz/buildbot/clangcodeanalysis/valgrind-fuzz/fuzz-2016-11-04-5740.pcap
==24444== 
==24444== Conditional jump or move depends on uninitialised value(s)
==24444==    at 0x6B9D624: dissect_cops_pdu (packet-cops.c:1102)
==24444==    by 0x7189DB5: tcp_dissect_pdus (packet-tcp.c:3266)
==24444==    by 0x6B9BFF1: dissect_cops (packet-cops.c:1134)
==24444==    by 0x69AF9C5: call_dissector_through_handle (packet.c:650)
==24444==    by 0x69AF9C5: call_dissector_work (packet.c:725)
==24444==    by 0x69AF88E: dissector_try_uint_new (packet.c:1290)
==24444==    by 0x718A2CF: decode_tcp_ports (packet-tcp.c:5197)
==24444==    by 0x718B6DF: process_tcp_payload (packet-tcp.c:5260)
==24444==    by 0x718ABA0: desegment_tcp (packet-tcp.c:2778)
==24444==    by 0x718ABA0: dissect_tcp_payload (packet-tcp.c:5327)
==24444==    by 0x718F819: dissect_tcp (packet-tcp.c:6209)
==24444==    by 0x69AF9C5: call_dissector_through_handle (packet.c:650)
==24444==    by 0x69AF9C5: call_dissector_work (packet.c:725)
==24444==    by 0x69AF88E: dissector_try_uint_new (packet.c:1290)
==24444==    by 0x6DDC9C2: ip_try_dissect (packet-ip.c:1978)
==24444==    by 0x6DDC9C2: dissect_ip_v4 (packet-ip.c:2441)
==24444== 
==24444== 
==24444== HEAP SUMMARY:
==24444==     in use at exit: 6,086,408 bytes in 9,733 blocks
==24444==   total heap usage: 266,555 allocs, 256,822 frees, 37,383,659 bytes
allocated
==24444== 
==24444== LEAK SUMMARY:
==24444==    definitely lost: 504 bytes in 91 blocks
==24444==    indirectly lost: 640 bytes in 5 blocks
==24444==      possibly lost: 0 bytes in 0 blocks
==24444==    still reachable: 6,085,264 bytes in 9,637 blocks
==24444==         suppressed: 0 bytes in 0 blocks
==24444== Rerun with --leak-check=full to see details of leaked memory
==24444== 
==24444== For counts of detected and suppressed errors, rerun with: -v
==24444== Use --track-origins=yes to see where uninitialised values come from
==24444== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

[ no debug trace ]

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