Wireshark-bugs: [Wireshark-bugs] [Bug 10026] New: Buildbot crash output: fuzz-2014-04-22-12025.p
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 23 Apr 2014 00:50:03 +0000
Bug ID 10026
Summary Buildbot crash output: fuzz-2014-04-22-12025.pcap
Classification Unclassified
Product Wireshark
Version unspecified
Hardware x86-64
URL http://www.wireshark.org/download/automated/captures/fuzz-2014-04-22-12025.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:

http://www.wireshark.org/download/automated/captures/fuzz-2014-04-22-12025.pcap

stderr:
Input file: /home/wireshark/menagerie/menagerie/nam.enc

Build host information:
Linux wsbb04 3.2.0-60-generic #91-Ubuntu SMP Wed Feb 19 03:54:44 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
Distributor ID:    Ubuntu
Description:    Ubuntu 12.04.4 LTS
Release:    12.04
Codename:    precise

Buildbot information:
BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark
BUILDBOT_BUILDNUMBER=2707
BUILDBOT_URL=http://buildbot.wireshark.org/trunk/
BUILDBOT_BUILDERNAME=Clang Code Analysis
BUILDBOT_SLAVENAME=clang-code-analysis
BUILDBOT_GOT_REVISION=f746d5ec1daaa58802989dae8cbb731582c44d19

Return value:  133

Dissector bug:  0

Valgrind error count:  0



Git commit
commit f746d5ec1daaa58802989dae8cbb731582c44d19
Author: Peter Wu <peter@lekensteyn.nl>
Date:   Tue Apr 22 15:30:37 2014 +0200

    Fix ASAN error due to invalid type

    ei_array is supposed to be an array of expert_entry items. However, it
    was initialized of an array of expert_info_t items which is much larger.
    This caused an ASAN error when running `tshark -z expert` because
    expert_stat_packet wants to read past the stack.

    Fix this by correcting the type. While at it, reduce the size of
    expert_entry for 64-bit systems (reduces initial memory usage by 8
    kilobytes) and avoid a redundant g_array_index call.

    Change-Id: I2e08676a5e242743ed502dd2836806604ea75cc0
    Reviewed-on: https://code.wireshark.org/review/1275
    Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
    Reviewed-by: Michael Mann <mmann78@netscape.net>


Command and args:
/home/wireshark/builders/trunk-clang-ca/clangcodeanalysis/install/bin/tshark
-nVxr


** (process:24153): WARNING **: Dissector bug, protocol KRB5, in packet 1771:
packet-ber.c:1905: failed assertion "DISSECTOR_ASSERT_NOT_REACHED"

** (process:24153): WARNING **: Dissector bug, protocol KRB5, in packet 2179:
packet-ber.c:1905: failed assertion "DISSECTOR_ASSERT_NOT_REACHED"

(process:24153): GLib-ERROR **: /build/buildd/glib2.0-2.32.4/./glib/gmem.c:165:
failed to allocate 2661195422 bytes

[ no debug trace ]

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