Wireshark-bugs: [Wireshark-bugs] [Bug 12199] New: Can't debug with gdb.
Date: Sun, 28 Feb 2016 16:16:47 +0000
Bug ID 12199
Summary Can't debug with gdb.
Product Wireshark
Version Git
Hardware x86
OS Ubuntu
Status UNCONFIRMED
Severity Major
Priority Low
Component Qt UI
Assignee bugzilla-admin@wireshark.org
Reporter kubsztal@gmail.com

Build Information:
Wireshark 2.1.0 (v2.1.0rc0-2099-g996cc44 from master)

Copyright 1998-2016 Gerald Combs <gerald@wireshark.org> and contributors.
License GPLv2+: GNU GPL version 2 or later
<http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
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 (64-bit) with Qt 4.8.6, with libpcap, without POSIX capabilities,
without libnl, with libz 1.2.8, with GLib 2.40.2, without SMI, without c-ares,
without ADNS, without Lua, without GnuTLS, with Gcrypt 1.6.1, without Kerberos,
without GeoIP, without QtMultimedia, without AirPcap.

Running on Linux 3.18.7-031807-generic, with locale C, with libpcap version
1.5.3, with libz 1.2.8, with Gcrypt 1.6.1.
Intel(R) Core(TM) i7-4771 CPU @ 3.50GHz (with SSE4.2)

Built using gcc 4.8.4.

--
System: Mint 17.3 XFCE

After reaching breakpoint almost whole system freezes. Only mouse pointer and
"LED" keys are active. Reproduction steps:

1. libtool --mode=execute gdb wireshark

2. b PacketListModel::recreateVisibleRows

Breakpoint 1 at 0x4b06b0: file packet_list_model.cpp, line 95.

3. r

Starting program: /home/kubsztal/wdred3tb/Projects/wireshark/.libs/lt-wireshark 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffdc7fe700 (LWP 15959)]
[New Thread 0x7fffdbffd700 (LWP 15960)]
(lt-wireshark:15955): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed
(lt-wireshark:15955): Gtk-CRITICAL **: IA__gtk_widget_get_direction: assertion
'GTK_IS_WIDGET (widget)' failed
[New Thread 0x7fffd95c1700 (LWP 17123)]

4. Click on "Random packet generator: randpkt" and generate some random packets

/home/kubsztal/wdred3tb/Projects/wireshark/extcap/.libs/lt-randpktdump
--capture --extcap-interface randpkt --fifo
/tmp/wireshark_extcap_20160228171021_uMS88Z --all-random true --type arp
--maxbytes 100 --count 10 
[New Thread 0x7fffd0cb8700 (LWP 17190)]

5. Apply a display filter (udp or tcp).

6. System frozen.


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