Wireshark-bugs: [Wireshark-bugs] [Bug 7737] New: Wireshark hangs with 100% CPU usage if reading

Date: Wed, 19 Sep 2012 02:28:56 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7737

           Summary: Wireshark hangs with 100% CPU usage if reading a
                    certain packet
           Product: Wireshark
           Version: 1.8.2
          Platform: x86
        OS/Version: Debian
            Status: NEW
          Severity: Major
          Priority: Low
         Component: Wireshark
        AssignedTo: bugzilla-admin@xxxxxxxxxxxxx
        ReportedBy: abang@xxxxxxxxxxx


Build Information:
wireshark 1.8.2

Copyright 1998-2012 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled (32-bit) with GTK+ 2.24.10, with Cairo 1.12.2, with Pango 1.30.0, with
GLib 2.32.3, with libpcap, with libz 1.2.7, with POSIX capabilities (Linux),
with SMI 0.4.8, with c-ares 1.9.1, with Lua 5.1, without Python, with GnuTLS
2.12.20, with Gcrypt 1.5.0, with MIT Kerberos, with GeoIP, with PortAudio
V19-devel (built Dec  7 2011 23:44:47), with AirPcap.

Running on Linux 3.2.0-3-686-pae, with locale de_DE.UTF-8, with libpcap version
1.3.0, with libz 1.2.7, GnuTLS 2.12.20, Gcrypt 1.5.0, without AirPcap.

Built using gcc 4.7.1.

--
If I try to load the attached pcap file (wireshark packet.pcap), created with
tcpdump, Wireshark hangs with 100% CPU usage.

This is the "tshark" output:

$ tshark -O ipv6 -r packet.pcap
Frame 1: 68 bytes on wire (544 bits), 68 bytes captured (544 bits)
Ethernet II, Src: Cisco_d5:51:c0 (00:13:19:d5:51:c0), Dst:
IPv6mcast_00:00:00:66 (33:33:00:00:00:66)
Internet Protocol Version 6, Src: fe80::abba:1 (fe80::abba:1), Dst: ff02::66
(ff02::66)
    0110 .... = Version: 6
        [0110 .... = This field makes the filter "ip.version == 6" possible: 6]
    .... 1110 0000 .... .... .... .... .... = Traffic class: 0x000000e0
        .... 1110 00.. .... .... .... .... .... = Differentiated Services
Field: Class Selector 7 (0x00000038)
        .... .... ..0. .... .... .... .... .... = ECN-Capable Transport (ECT):
Not set
        .... .... ...0 .... .... .... .... .... = ECN-CE: Not set
    .... .... .... 0000 0000 0000 0000 0000 = Flowlabel: 0x00000000
    Payload length: 14
    Next header: UDP (17)
    Hop limit: 255
    Source: fe80::abba:1 (fe80::abba:1)
    Destination: ff02::66 (ff02::66)
    [Source GeoIP: Unknown]
    [Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: hsrpv6 (2029), Dst Port: hsrpv6 (2029)
Cisco Hot Standby Router Protocol

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