Wireshark-bugs: [Wireshark-bugs] [Bug 12953] New: Buildbot crash output: fuzz-2016-09-26-15740.p
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 26 Sep 2016 22:30:03 +0000
Bug ID 12953
Summary Buildbot crash output: fuzz-2016-09-26-15740.pcap
Product Wireshark
Version unspecified
Hardware x86-64
URL https://www.wireshark.org/download/automated/captures/fuzz-2016-09-26-15740.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-2016-09-26-15740.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/12695-AllJoynSample2.pcapng

Build host information:
Linux wsbb04 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:42:33 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=fuzz-test
BUILDBOT_BUILDNUMBER=95
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-2.2/
BUILDBOT_BUILDERNAME=Fuzz Test
BUILDBOT_GOT_REVISION=8d95155048fdff8894a8ae6ff5f0edd81c8bbd4d

Return value:  0

Dissector bug:  0

Valgrind error count:  1



Git commit
commit 8d95155048fdff8894a8ae6ff5f0edd81c8bbd4d
Author: Gerald Combs <gerald@wireshark.org>
Date:   Wed Sep 21 15:38:16 2016 -0700

    Check for ASAN when fuzzing.

    Try to determine if we passed -fsanitize=address to gcc or clang and
    adjust the ASAN variable fuzz-test.sh, randpkt-test.sh and
    test-captures.sh accordingly.

    Change-Id: I88a34828fb5875e1a74a3b180ffb3da37daac0bd
    Reviewed-on: https://code.wireshark.org/review/17848
    Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
    (cherry picked from commit 17546ad88378fbeaad25e571e0fa35e7a5bfa622)
    Reviewed-on: https://code.wireshark.org/review/17934


==2919== Memcheck, a memory error detector
==2919== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==2919== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==2919== Command:
/home/wireshark/builders/wireshark-2.2-fuzz/fuzztest/install/bin/tshark -nr
/fuzz/buildbot/fuzztest/valgrind-fuzz-2.2/fuzz-2016-09-26-15740.pcap
==2919== 
==2919== Invalid read of size 1
==2919==    at 0x69DF86E: handle_message_body_parameters
(packet-alljoyn.c:1456)
==2919==    by 0x69DF86E: handle_message_header_body (packet-alljoyn.c:1613)
==2919==    by 0x69DF86E: dissect_AllJoyn_message (packet-alljoyn.c:1726)
==2919==    by 0x694953E: call_dissector_through_handle (packet.c:648)
==2919==    by 0x694953E: call_dissector_work (packet.c:723)
==2919==    by 0x6949C68: dissector_try_uint_new (packet.c:1188)
==2919==    by 0x710442C: decode_tcp_ports (packet-tcp.c:5026)
==2919==    by 0x71046B4: process_tcp_payload (packet-tcp.c:5098)
==2919==    by 0x7105053: desegment_tcp (packet-tcp.c:2700)
==2919==    by 0x7105053: dissect_tcp_payload (packet-tcp.c:5165)
==2919==    by 0x7106B88: dissect_tcp (packet-tcp.c:6036)
==2919==    by 0x694953E: call_dissector_through_handle (packet.c:648)
==2919==    by 0x694953E: call_dissector_work (packet.c:723)
==2919==    by 0x6949C68: dissector_try_uint_new (packet.c:1188)
==2919==    by 0x6D50C55: ip_try_dissect (packet-ip.c:1976)
==2919==    by 0x6D51E24: dissect_ip_v4 (packet-ip.c:2438)
==2919==    by 0x694953E: call_dissector_through_handle (packet.c:648)
==2919==    by 0x694953E: call_dissector_work (packet.c:723)
==2919==  Address 0x12b0d3a3 is 0 bytes after a block of size 3 alloc'd
==2919==    at 0x4C2FD5F: realloc (in
/usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==2919==    by 0xA31B7E7: g_realloc (in
/lib/x86_64-linux-gnu/libglib-2.0.so.0.4800.1)
==2919==    by 0x753C9EA: wmem_simple_realloc (wmem_allocator_simple.c:90)
==2919==    by 0x753E12C: wmem_strbuf_finalize (wmem_strbuf.c:288)
==2919==    by 0x695D9A9: get_stringzpad_value (proto.c:1631)
==2919==    by 0x695D9A9: proto_tree_add_item_ret_string_and_length
(proto.c:2414)
==2919==    by 0x695DD3B: proto_tree_add_item_ret_string (proto.c:2442)
==2919==    by 0x69DE7D1: parse_arg (packet-alljoyn.c:1004)
==2919==    by 0x69DF76C: handle_message_field (packet-alljoyn.c:1358)
==2919==    by 0x69DF76C: handle_message_header_fields (packet-alljoyn.c:1414)
==2919==    by 0x69DF76C: handle_message_header_body (packet-alljoyn.c:1594)
==2919==    by 0x69DF76C: dissect_AllJoyn_message (packet-alljoyn.c:1726)
==2919==    by 0x694953E: call_dissector_through_handle (packet.c:648)
==2919==    by 0x694953E: call_dissector_work (packet.c:723)
==2919==    by 0x6949C68: dissector_try_uint_new (packet.c:1188)
==2919==    by 0x710442C: decode_tcp_ports (packet-tcp.c:5026)
==2919==    by 0x71046B4: process_tcp_payload (packet-tcp.c:5098)
==2919== 
==2919== 
==2919== HEAP SUMMARY:
==2919==     in use at exit: 447,704 bytes in 9,617 blocks
==2919==   total heap usage: 271,012 allocs, 261,395 frees, 33,185,517 bytes
allocated
==2919== 
==2919== LEAK SUMMARY:
==2919==    definitely lost: 343 bytes in 20 blocks
==2919==    indirectly lost: 362 bytes in 4 blocks
==2919==      possibly lost: 0 bytes in 0 blocks
==2919==    still reachable: 446,999 bytes in 9,593 blocks
==2919==         suppressed: 0 bytes in 0 blocks
==2919== Rerun with --leak-check=full to see details of leaked memory
==2919== 
==2919== For counts of detected and suppressed errors, rerun with: -v
==2919== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 1 from 1)

[ no debug trace ]

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