Wireshark-bugs: [Wireshark-bugs] [Bug 12690] New: Buildbot crash output: fuzz-2016-07-29-17870.p
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Fri, 29 Jul 2016 16:40:03 +0000
Bug ID 12690
Summary Buildbot crash output: fuzz-2016-07-29-17870.pcap
Product Wireshark
Version unspecified
Hardware x86-64
URL https://www.wireshark.org/download/automated/captures/fuzz-2016-07-29-17870.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-2016-07-29-17870.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/0000.cap

Build host information:
Linux wsbb04 3.13.0-92-generic #139-Ubuntu SMP Tue Jun 28 20:42:26 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 14.04.4 LTS
Release:    14.04
Codename:    trusty

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_BUILDNUMBER=14
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-2.2/
BUILDBOT_BUILDERNAME=Fuzz Test
BUILDBOT_SLAVENAME=fuzz-test
BUILDBOT_GOT_REVISION=8c7ab5f2b2c18f23c1baa856e30ff8dcb0b7151c

Return value:  0

Dissector bug:  0

Valgrind error count:  1



Git commit
commit 8c7ab5f2b2c18f23c1baa856e30ff8dcb0b7151c
Author: Pascal Quantin <pascal.quantin@gmail.com>
Date:   Thu Jul 28 19:56:56 2016 +0200

    proto.c: do not perform bound checks in
proto_tree_add_text(_valist)_internal if tvb is NULL

    As seen in bug 12676, some buggy dissectors do not systematically provide a
tvb when calling proto_tree_add_XXX functions.
    On stable branch, let's deactivate the bound checks in that case.

    Bug: 12676
    Change-Id: Ia3cf0b0972c127f34feca2e097e0ec1fd1753b23
    Reviewed-on: https://code.wireshark.org/review/16752
    Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
    Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
    Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>


==17920== Memcheck, a memory error detector
==17920== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==17920== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info
==17920== Command:
/home/wireshark/builders/wireshark-2.2-fuzz/fuzztest/install/bin/tshark -nr
/fuzz/buildbot/fuzztest/valgrind-fuzz-2.2/fuzz-2016-07-29-17870.pcap
==17920== 
==17920== 
==17920== HEAP SUMMARY:
==17920==     in use at exit: 1,511,140 bytes in 39,711 blocks
==17920==   total heap usage: 264,166 allocs, 224,455 frees, 30,405,258 bytes
allocated
==17920== 
==17920== LEAK SUMMARY:
==17920==    definitely lost: 332,918 bytes in 148 blocks
==17920==    indirectly lost: 725,222 bytes in 29,926 blocks
==17920==      possibly lost: 0 bytes in 0 blocks
==17920==    still reachable: 453,000 bytes in 9,637 blocks
==17920==         suppressed: 0 bytes in 0 blocks
==17920== Rerun with --leak-check=full to see details of leaked memory
==17920== 
==17920== For counts of detected and suppressed errors, rerun with: -v
==17920== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)

[ no debug trace ]

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