Bug#718436: dconf-tools: dconf-editor segfaults when selected item is removed

[Nagaev Boris]

Package: dconf-tools
Version: 0.12.1-3

When item opened in dconf-editor is removed using external program,
then dconf-editor segfaults.

1. Create custom keyboard shortcut using System settings > Hardware >
Keyboard > Shortcuts.
2. Open dconf-editor
** (dconf-editor:9590): WARNING **: dconf-schema.vala:330: Unknown
property on <schema>, extends

** (dconf-editor:9590): WARNING **: dconf-schema.vala:330: Unknown
property on <schema>, extends

** (dconf-editor:9590): WARNING **: dconf-schema.vala:401: Unknown tag <comment>

** (dconf-editor:9590): WARNING **: dconf-schema.vala:401: Unknown tag <comment>

** (dconf-editor:9590): WARNING **: dconf-schema.vala:401: Unknown tag <comment>
3. Navigate to org.gnome.settings-daemon.plugins.media-keys.custom-keybindings.custom0
4. Remove keyboard shortcut from program opened in (1).
5. Segfault.
#0  0x0805100b in key_get_value ()
#1  0x08051054 in key_get_type_string ()
#2  0x0805bc46 in key_value_renderer_set_key ()
#3  0xb771ee5a in g_object_set_property () from
/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#4  0xb7ba874d in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#5  0xb76445e2 in g_hash_table_foreach () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#6  0xb7ba85d5 in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#7  0xb7badeab in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#8  0xb7c7e5fb in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#9  0xb77157a7 in ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#10 0xb7717121 in ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#11 0xb7730279 in g_signal_emit_valist () from
/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#12 0xb7730cd3 in g_signal_emit () from
/usr/lib/i386-linux-gnu/libgobject-2.0.so.0
#13 0xb7baa2fe in gtk_cell_area_apply_attributes () from
/usr/lib/i386-linux-gnu/libgtk-3.so.0
#14 0xb7db2836 in gtk_tree_view_column_cell_set_cell_data () from
/usr/lib/i386-linux-gnu/libgtk-3.so.0
#15 0xb7d972b6 in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#16 0xb7d9cfa8 in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#17 0xb7d9d0ec in ?? () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#18 0xb7a81cae in ?? () from /usr/lib/i386-linux-gnu/libgdk-3.so.0
#19 0xb7652190 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#20 0xb76546d3 in g_main_context_dispatch () from
/lib/i386-linux-gnu/libglib-2.0.so.0
#21 0xb7654a70 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#22 0xb7654ecb in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#23 0xb7c7773d in gtk_main () from /usr/lib/i386-linux-gnu/libgtk-3.so.0
#24 0x0804fc9c in configuration_editor_main ()
#25 0x0804def0 in main ()

I am using Debian GNU/Linux 7.1, kernel 3.2.0-4-686-pae and libc6 2.13-38