Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 13205] New: Buildbot crash output: fuzz-2016-12-05-27827.pcap

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Bug ID	13205
Summary	Buildbot crash output: fuzz-2016-12-05-27827.pcap
Product	Wireshark
Version	unspecified
Hardware	x86-64
URL	https://www.wireshark.org/download/automated/captures/fuzz-2016-12-05-27827.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-2016-12-05-27827.pcap

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

Build host information:
Linux wsbb04 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 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=3804
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_GOT_REVISION=d8086cc38610b52281ddad74b9954f6ca509746c

Return value:  0

Dissector bug:  0

Valgrind error count:  1



Git commit
commit d8086cc38610b52281ddad74b9954f6ca509746c
Author: Gerald Combs <gerald@wireshark.org>
Date:   Sun Dec 4 08:24:03 2016 -0800

    [Automatic update for 2016-12-04]

    Update manuf, services enterprise-numbers, translations, and other items.

    Change-Id: Id29d87f78e1cac18817de2bbb8ce01a8b3c22bf8
    Reviewed-on: https://code.wireshark.org/review/19067
    Reviewed-by: Gerald Combs <gerald@wireshark.org>


==21001== Memcheck, a memory error detector
==21001== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==21001== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==21001== Command:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install.plain/bin/tshark
-nr /fuzz/buildbot/clangcodeanalysis/valgrind-fuzz/fuzz-2016-12-05-27827.pcap
==21001== 
==21001== Conditional jump or move depends on uninitialised value(s)
==21001==    at 0x6B01274: dissect_cops_pdu (packet-cops.c:1105)
==21001==    by 0x70DE8A5: tcp_dissect_pdus (packet-tcp.c:3318)
==21001==    by 0x6AFFC11: dissect_cops (packet-cops.c:1137)
==21001==    by 0x6918635: call_dissector_through_handle (packet.c:648)
==21001==    by 0x6918635: call_dissector_work (packet.c:723)
==21001==    by 0x69184FE: dissector_try_uint_new (packet.c:1188)
==21001==    by 0x70DEBD7: decode_tcp_ports (packet-tcp.c:5244)
==21001==    by 0x70DFC4F: process_tcp_payload (packet-tcp.c:5297)
==21001==    by 0x70DF1A8: desegment_tcp (packet-tcp.c:2840)
==21001==    by 0x70DF1A8: dissect_tcp_payload (packet-tcp.c:5364)
==21001==    by 0x70E3C17: dissect_tcp (packet-tcp.c:6248)
==21001==    by 0x6918635: call_dissector_through_handle (packet.c:648)
==21001==    by 0x6918635: call_dissector_work (packet.c:723)
==21001==    by 0x69184FE: dissector_try_uint_new (packet.c:1188)
==21001==    by 0x6D3A6DF: ip_try_dissect (packet-ip.c:1976)
==21001== 
==21001== 
==21001== HEAP SUMMARY:
==21001==     in use at exit: 457,886 bytes in 9,944 blocks
==21001==   total heap usage: 260,315 allocs, 250,371 frees, 32,889,796 bytes
allocated
==21001== 
==21001== LEAK SUMMARY:
==21001==    definitely lost: 1,689 bytes in 53 blocks
==21001==    indirectly lost: 8,477 bytes in 265 blocks
==21001==      possibly lost: 0 bytes in 0 blocks
==21001==    still reachable: 447,720 bytes in 9,626 blocks
==21001==         suppressed: 0 bytes in 0 blocks
==21001== Rerun with --leak-check=full to see details of leaked memory
==21001== 
==21001== For counts of detected and suppressed errors, rerun with: -v
==21001== Use --track-origins=yes to see where uninitialised values come from
==21001== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

[ no debug trace ]

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