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Bug ID	13044
Summary	Buildbot crash output: fuzz-2016-10-25-19751.pcap
Product	Wireshark
Version	unspecified
Hardware	x86-64
URL	https://www.wireshark.org/download/automated/captures/fuzz-2016-10-25-19751.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-2016-10-25-19751.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=3757
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_GOT_REVISION=ce9405b00b0bc49fef5a21f984251a1e0065580b

Return value:  0

Dissector bug:  0

Valgrind error count:  1



Git commit
commit ce9405b00b0bc49fef5a21f984251a1e0065580b
Author: Jakub Zawadzki <darkjames-ws@darkjames.pl>
Date:   Fri Oct 21 18:43:06 2016 +0200

    cleanup: move extra libs to EPAN_EXTRA_LIBS

    Every program linking with epan lib added some extra dependencies.
    Keep these in EPAN_EXTRA_LIBS.

    Change-Id: I3fac0974ef6a46675d35ee7b9862674923369b67
    Reviewed-on: https://code.wireshark.org/review/18356
    Petri-Dish: Anders Broman <a.broman58@gmail.com>
    Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
    Reviewed-by: Anders Broman <a.broman58@gmail.com>


==16112== Memcheck, a memory error detector
==16112== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==16112== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==16112== Command:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install.plain/bin/tshark
-nr /fuzz/buildbot/clangcodeanalysis/valgrind-fuzz/fuzz-2016-10-25-19751.pcap
==16112== 
==16112== Conditional jump or move depends on uninitialised value(s)
==16112==    at 0x6B94A04: dissect_cops_pdu (packet-cops.c:1102)
==16112==    by 0x717F325: tcp_dissect_pdus (packet-tcp.c:3266)
==16112==    by 0x6B933D1: dissect_cops (packet-cops.c:1134)
==16112==    by 0x69A5665: call_dissector_through_handle (packet.c:650)
==16112==    by 0x69A5665: call_dissector_work (packet.c:725)
==16112==    by 0x69A552E: dissector_try_uint_new (packet.c:1290)
==16112==    by 0x717F83F: decode_tcp_ports (packet-tcp.c:5197)
==16112==    by 0x7180C4F: process_tcp_payload (packet-tcp.c:5260)
==16112==    by 0x7180110: desegment_tcp (packet-tcp.c:2778)
==16112==    by 0x7180110: dissect_tcp_payload (packet-tcp.c:5327)
==16112==    by 0x7184D89: dissect_tcp (packet-tcp.c:6209)
==16112==    by 0x69A5665: call_dissector_through_handle (packet.c:650)
==16112==    by 0x69A5665: call_dissector_work (packet.c:725)
==16112==    by 0x69A552E: dissector_try_uint_new (packet.c:1290)
==16112==    by 0x6DD27D2: ip_try_dissect (packet-ip.c:1976)
==16112==    by 0x6DD27D2: dissect_ip_v4 (packet-ip.c:2439)
==16112== 
==16112== 
==16112== HEAP SUMMARY:
==16112==     in use at exit: 6,086,409 bytes in 9,733 blocks
==16112==   total heap usage: 266,089 allocs, 256,356 frees, 37,368,775 bytes
allocated
==16112== 
==16112== LEAK SUMMARY:
==16112==    definitely lost: 504 bytes in 91 blocks
==16112==    indirectly lost: 640 bytes in 5 blocks
==16112==      possibly lost: 0 bytes in 0 blocks
==16112==    still reachable: 6,085,265 bytes in 9,637 blocks
==16112==         suppressed: 0 bytes in 0 blocks
==16112== Rerun with --leak-check=full to see details of leaked memory
==16112== 
==16112== For counts of detected and suppressed errors, rerun with: -v
==16112== Use --track-origins=yes to see where uninitialised values come from
==16112== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

[ no debug trace ]

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