Buildbot crash output: fuzz-2014-08-01-15014.pcap
This issue was migrated from bug 10333 in our old bug tracker.
Original bug information:
Reporter: Buildbot Builder
Status: RESOLVED FIXED
Product: Wireshark
Component: Dissection engine (libwireshark)
OS: Ubuntu
Platform: x86-64
Version: unspecified
Activity
Problems have been found with the following capture file: http://www.wireshark.org/download/automated/captures/fuzz-2014-08-01-15014.pcap stderr: Input file: /home/wireshark/menagerie/menagerie/3333-promet.cap Build host information: Linux wsbb04 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty Buildbot information: BUILDBOT_REPOSITORY=ssh://wireshark-buildbot@code.wireshark.org:29418/wireshark BUILDBOT_BUILDNUMBER=2894 BUILDBOT_URL=http://buildbot.wireshark.org/trunk/ BUILDBOT_BUILDERNAME=Clang Code Analysis BUILDBOT_SLAVENAME=clang-code-analysis BUILDBOT_GOT_REVISION=dc9b44c5e216ddd8fca54e8a2d2b0387a54f1f83 Return value: 133 Dissector bug: 0 Valgrind error count: 0 Git commit commit dc9b44c5e216ddd8fca54e8a2d2b0387a54f1f83 Author: Jeff Morriss <jeff.morriss.ws@gmail.com> Date: Thu Jul 31 17:26:04 2014 -0400 Ignore RPM output directories. Change-Id: I35cda66d512448317f3c7d6ed922f9dca2893690 Reviewed-on: https://code.wireshark.org/review/3304 Reviewed-by: Evan Huus <eapache@gmail.com> Command and args: /home/wireshark/builders/trunk-clang-ca/clangcodeanalysis/install/bin/tshark -nVxr GLib-ERROR **: (NULL) message [ no debug trace ]added crash libwireshark osubuntu labels
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Looks like an infinite loop in tvb_raw_text_add defined in packet-megaco.c. Having trouble figuring out exactly the problem though, looks like tvb_linebegin just isn't getting set at line 3254 which is really odd... I'd say compiler bug but I'm reproducing this on a totally different compiler from the fuzz-bot.
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Change 3343 had a related patch set uploaded by Evan Huus: Fix an infinite loop when the line has no length
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Change 3344 had a related patch set uploaded by Evan Huus: Fix an infinite loop when the line has no length
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Change 3345 had a related patch set uploaded by Evan Huus: Fix an infinite loop when the line has no length
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Change 3343 merged by Anders Broman: Fix an infinite loop when the line has no length
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Change 3344 merged by Anders Broman: Fix an infinite loop when the line has no length
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Change 3345 merged by Anders Broman: Fix an infinite loop when the line has no length
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Change 4423 had a related patch set uploaded by Balint Reczey: Fix an infinite loop when the line has no length
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Change 4423 merged by Balint Reczey: Fix an infinite loop when the line has no length