https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16641
Bug ID: 16641
Summary: Buildbot crash output: fuzz-2020-06-19-5129.pcap
Product: Wireshark
Version: unspecified
Hardware: x86-64
OS: Ubuntu
Status: CONFIRMED
Severity: Major
Priority: High
Component: Dissection engine (libwireshark)
Assignee: bugzilla-ad...@wireshark.org
Reporter: buildbot-do-not-re...@wireshark.org
Target Milestone: ---
Problems have been found with the following capture file:
https://www.wireshark.org/download/automated/captures/fuzz-2020-06-19-5129.pcap
stderr:
Input file:
/home/wireshark/menagerie/menagerie/14031-rti_default_domain_discovery_announcements.pcapng
Build host information:
Linux build6 4.15.0-106-generic #107-Ubuntu SMP Thu Jun 4 11:27:52 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID: Ubuntu
Description: Ubuntu 18.04.4 LTS
Release: 18.04
Codename: bionic
Buildbot information:
BUILDBOT_WORKERNAME=clang-code-analysis
BUILDBOT_BUILDNUMBER=5234
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_URL=http://buildbot.wireshark.org/wireshark-master/
BUILDBOT_REPOSITORY=ssh://wireshark-build...@code.wireshark.org:29418/wireshark
BUILDBOT_GOT_REVISION=e6726a4608c79f7c853e25218fc08c893910c7fc
Return value: 0
Dissector bug: 0
Valgrind error count: 25
Git commit
commit e6726a4608c79f7c853e25218fc08c893910c7fc
Author: Uli Heilmeier <u...@heilmeier.eu>
Date: Wed Jun 17 20:46:17 2020 +0200
PIM: Check return value of dissect_pim_addr()
Check the return value of dissect_pim_addr()
Change-Id: I783afeb6302b15fbaa7af4df5aadfdf64639acbc
Reviewed-on: https://code.wireshark.org/review/37496
Reviewed-by: Alexis La Goutte <alexis.lagou...@gmail.com>
Petri-Dish: Alexis La Goutte <alexis.lagou...@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broma...@gmail.com>
Command and args: ./tools/valgrind-wireshark.sh -b
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install.plain/bin
==27657== Memcheck, a memory error detector
==27657== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==27657== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info
==27657== Command:
/home/wireshark/builders/wireshark-master-fuzz/clangcodeanalysis/install.plain/bin/tshark
-nr /fuzz/buildbot/clangcodeanalysis/valgrind-fuzz/fuzz-2020-06-19-5129.pcap
==27657==
==27657== Conditional jump or move depends on uninitialised value(s)
==27657== at 0x775050B: rtps_util_insert_type_mapping_in_registry
(packet-rtps.c:4413)
==27657== by 0x774C4DB: dissect_parameter_sequence (packet-rtps.c:6872)
==27657== by 0x77550AC: dissect_serialized_data (packet-rtps.c:7148)
==27657== by 0x7758E4B: dissect_RTPS_DATA (packet-rtps.c:9092)
==27657== by 0x7749E0A: dissect_rtps_submessage_v2 (packet-rtps.c:10218)
==27657== by 0x7749576: dissect_rtps (packet-rtps.c:10543)
==27657== by 0x7748B02: dissect_rtps_udp (packet-rtps.c:10568)
==27657== by 0x839F222: dissector_try_heuristic (packet.c:2815)
==27657== by 0x7966475: decode_udp_ports (packet-udp.c:709)
==27657== by 0x7968F19: dissect (packet-udp.c:1261)
==27657== by 0x796727D: dissect_udp (packet-udp.c:1267)
==27657== by 0x83A0F57: call_dissector_through_handle (packet.c:712)
==27657==
==27657==
==27657== HEAP SUMMARY:
==27657== in use at exit: 43,319 bytes in 204 blocks
==27657== total heap usage: 326,349 allocs, 326,145 frees, 40,261,283 bytes
allocated
==27657==
==27657== LEAK SUMMARY:
==27657== definitely lost: 0 bytes in 0 blocks
==27657== indirectly lost: 0 bytes in 0 blocks
==27657== possibly lost: 304 bytes in 1 blocks
==27657== still reachable: 42,212 bytes in 170 blocks
==27657== suppressed: 803 bytes in 33 blocks
==27657== Rerun with --leak-check=full to see details of leaked memory
==27657==
==27657== For counts of detected and suppressed errors, rerun with: -v
==27657== Use --track-origins=yes to see where uninitialised values come from
==27657== ERROR SUMMARY: 25 errors from 1 contexts (suppressed: 0 from 0)
[ no debug trace ]
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