midori crashes when closing a tab while loading

[Xavi Conde]

1. open midori
2. open a tab by clicking on some link with middle button
3. while the progress icons is still running, close the tab.
4. midori crashes.

GDB trace:

xavi@xavi-HP-Compaq-dc7100-CMT-PR640UC:~$ gdb midori
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2.1) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/bin/midori...(no debugging symbols found)...done.
(gdb) r
Starting program: /usr/bin/midori
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[New Thread 0xb34eeb40 (LWP 4238)]
[New Thread 0xb2affb40 (LWP 4239)]
[New Thread 0xb20ffb40 (LWP 4240)]
[New Thread 0xb17feb40 (LWP 4241)]
[Thread 0xb17feb40 (LWP 4241) exited]
[New Thread 0xb17feb40 (LWP 4242)]
[New Thread 0xb0dffb40 (LWP 4244)]
[New Thread 0xb05feb40 (LWP 4245)]
Adblock: no metadata found in /home/xavi/.cache/midori/adblock/7633b662d2599019614f01ffcd7bec2b (broken download?)
[Thread 0xb0dffb40 (LWP 4244) exited]

(npviewer.bin:4256): Gtk-WARNING **: No s'ha trobat el motor de tema al module_path: «pixmap»,

(npviewer.bin:4256): Gtk-WARNING **: No s'ha trobat el motor de tema al module_path: «pixmap»,

(npviewer.bin:4256): Gtk-WARNING **: No s'ha trobat el motor de tema al module_path: «pixmap»,

(npviewer.bin:4256): Gtk-WARNING **: No s'ha trobat el motor de tema al module_path: «pixmap»,

(npviewer.bin:4256): Gtk-WARNING **: No s'ha trobat el motor de tema al module_path: «pixmap»,
[New Thread 0xb0dffb40 (LWP 4267)]
[New Thread 0xa8fc0b40 (LWP 4268)]

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e020'
[Thread 0xb05feb40 (LWP 4245) exited]

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e170'

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e2c0'

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e410'

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e560'
[New Thread 0xb05feb40 (LWP 4269)]
[New Thread 0xa6e2db40 (LWP 4270)]
Adblock: no metadata found in /home/xavi/.cache/midori/adblock/7633b662d2599019614f01ffcd7bec2b (broken download?)
[Thread 0xb0dffb40 (LWP 4267) exited]
[Thread 0xb05feb40 (LWP 4269) exited]
[New Thread 0xb05feb40 (LWP 4271)]
[Thread 0xb05feb40 (LWP 4271) exited]
[New Thread 0xb05feb40 (LWP 4272)]
[Thread 0xa6e2db40 (LWP 4270) exited]
[New Thread 0xa6e2db40 (LWP 4273)]
[Thread 0xb05feb40 (LWP 4272) exited]
[New Thread 0xb05feb40 (LWP 4274)]
[Thread 0xb05feb40 (LWP 4274) exited]
[New Thread 0xb05feb40 (LWP 4275)]

(midori4:4235): GLib-GObject-WARNING **: invalid cast from `GtkLabel' to `MidoriView'

** (midori4:4235): CRITICAL **: midori_browser_switched_tab: assertion `MIDORI_IS_VIEW (new_view)' failed

(midori4:4235): GLib-GObject-WARNING **: invalid cast from `GtkLabel' to `MidoriView'

(midori4:4235): GLib-GObject-WARNING **: invalid cast from `GtkLabel' to `MidoriView'

** (midori4:4235): CRITICAL **: midori_view_is_blank: assertion `MIDORI_IS_VIEW (view)' failed

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e6b0'
[Thread 0xb05feb40 (LWP 4275) exited]
[New Thread 0xb05feb40 (LWP 4276)]
[New Thread 0xb0dffb40 (LWP 4277)]
[New Thread 0xa155fb40 (LWP 4278)]
[New Thread 0xa0d5eb40 (LWP 4279)]
[Thread 0xb0dffb40 (LWP 4277) exited]
[Thread 0xb05feb40 (LWP 4276) exited]
[Thread 0xa0d5eb40 (LWP 4279) exited]
[Thread 0xa6e2db40 (LWP 4273) exited]
[New Thread 0xa6e2db40 (LWP 4280)]
[New Thread 0xa0d5eb40 (LWP 4281)]
[New Thread 0xb05feb40 (LWP 4282)]
[Thread 0xa0d5eb40 (LWP 4281) exited]

(midori4:4235): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.32.3/./gobject/gsignal.c:2455: signal `context-menu' is invalid for instance `0x8113e800'
[New Thread 0xa0d5eb40 (LWP 4283)]
[New Thread 0xb0dffb40 (LWP 4284)]
[Thread 0xb0dffb40 (LWP 4284) exited]

** (midori4:4235): CRITICAL **: midori_browser_get_action_group: assertion `MIDORI_IS_BROWSER (browser)' failed

** (midori4:4235): CRITICAL **: midori_context_action_add_action_group: assertion `action_group != NULL' failed

Program received signal SIGSEGV, Segmentation fault.
0x8003276c in midori_browser_get_n_pages ()