Wireshark-bugs: [Wireshark-bugs] [Bug 13156] New: Buildbot crash output: fuzz-2016-11-19-6232.pc

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sat, 19 Nov 2016 03:10:03 +0000
Bug ID 13156
Summary Buildbot crash output: fuzz-2016-11-19-6232.pcap
Product Wireshark
Version unspecified
Hardware x86-64
URL https://www.wireshark.org/download/automated/captures/fuzz-2016-11-19-6232.pcap
OS Ubuntu
Status CONFIRMED
Severity Major
Priority High
Component Dissection engine (libwireshark)
Assignee [email protected]
Reporter [email protected] 

Problems have been found with the following capture file:

https://www.wireshark.org/download/automated/captures/fuzz-2016-11-19-6232.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://[email protected]:29418/wireshark
BUILDBOT_WORKERNAME=clang-code-analysis
BUILDBOT_BUILDNUMBER=3783
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_GOT_REVISION=c27404655650a3648f576663d07394105fd5ef30

Return value:  0

Dissector bug:  0

Valgrind error count:  1



Git commit
commit c27404655650a3648f576663d07394105fd5ef30
Author: Peter Wu <[email protected]>
Date:   Tue Nov 8 15:20:30 2016 +0100

    cmake: install icons and .desktop files

    Based on the install-data-local target from Makefile.am.

    Change-Id: Ia2ff6b90475a30ed219019fd80afd1a498e3133c
    Reviewed-on: https://code.wireshark.org/review/18708
    Reviewed-by: Peter Wu <[email protected]>
    Petri-Dish: Peter Wu <[email protected]>
    Tested-by: Peter Wu <[email protected]>
    Tested-by: Petri Dish Buildbot <[email protected]>
    Reviewed-by: Balint Reczey <[email protected]>
    Tested-by: Balint Reczey <[email protected]>


==30904== Memcheck, a memory error detector
==30904== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==30904== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==30904== Command:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install.plain/bin/tshark
-nr /fuzz/buildbot/clangcodeanalysis/valgrind-fuzz/fuzz-2016-11-19-6232.pcap
==30904== 
==30904== Conditional jump or move depends on uninitialised value(s)
==30904==    at 0x6B99BE4: dissect_cops_pdu (packet-cops.c:1102)
==30904==    by 0x7189535: tcp_dissect_pdus (packet-tcp.c:3468)
==30904==    by 0x6B985B1: dissect_cops (packet-cops.c:1134)
==30904==    by 0x69AA215: call_dissector_through_handle (packet.c:650)
==30904==    by 0x69AA215: call_dissector_work (packet.c:725)
==30904==    by 0x69AA0DE: dissector_try_uint_new (packet.c:1290)
==30904==    by 0x7189A4F: decode_tcp_ports (packet-tcp.c:5420)
==30904==    by 0x718AD6F: process_tcp_payload (packet-tcp.c:5483)
==30904==    by 0x718A2C8: desegment_tcp (packet-tcp.c:2990)
==30904==    by 0x718A2C8: dissect_tcp_payload (packet-tcp.c:5550)
==30904==    by 0x718EE9C: dissect_tcp (packet-tcp.c:6434)
==30904==    by 0x69AA215: call_dissector_through_handle (packet.c:650)
==30904==    by 0x69AA215: call_dissector_work (packet.c:725)
==30904==    by 0x69AA0DE: dissector_try_uint_new (packet.c:1290)
==30904==    by 0x6DDAA72: ip_try_dissect (packet-ip.c:1978)
==30904==    by 0x6DDAA72: dissect_ip_v4 (packet-ip.c:2441)
==30904== 
==30904== 
==30904== HEAP SUMMARY:
==30904==     in use at exit: 6,085,647 bytes in 9,731 blocks
==30904==   total heap usage: 265,726 allocs, 255,995 frees, 37,334,206 bytes
allocated
==30904== 
==30904== LEAK SUMMARY:
==30904==    definitely lost: 536 bytes in 92 blocks
==30904==    indirectly lost: 768 bytes in 6 blocks
==30904==      possibly lost: 0 bytes in 0 blocks
==30904==    still reachable: 6,084,343 bytes in 9,633 blocks
==30904==         suppressed: 0 bytes in 0 blocks
==30904== Rerun with --leak-check=full to see details of leaked memory
==30904== 
==30904== For counts of detected and suppressed errors, rerun with: -v
==30904== Use --track-origins=yes to see where uninitialised values come from
==30904== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)

[ no debug trace ]

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