balsa crashes on exit

[Willem Riede <wriede riede org>]

This is balsa 2.3.7 on fc5-devel x86_64:


Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 46912496328656 (LWP 21612)]
bndx_selection_changed (selection=0x65fcc0, data=Variable "data" is not available.
) at balsa-index.c:547
547         if (mailbox->state == LB_MAILBOX_STATE_TREECLEANING)
(gdb) bt
#0  bndx_selection_changed (selection=0x65fcc0, data=Variable "data" is not available.
) at balsa-index.c:547
#1  0x00000032bcd0ace8 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#2  0x00000032bcd1a1da in g_signal_override_class_closure () from /usr/lib64/libgobject-2.0.so.0
#3  0x00000032bcd1b3d5 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#4  0x00000032bcd1b68d in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#5  0x00000032bf6bea1f in gtk_tree_view_set_model () from /usr/lib64/libgtk-x11-2.0.so.0
#6  0x0000000000428de8 in bndx_destroy (obj=0x713c50) at balsa-index.c:237
#7  0x00000032bcd0adb3 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#8  0x00000032bcd1a8e4 in g_signal_override_class_closure () from /usr/lib64/libgobject-2.0.so.0
#9  0x00000032bcd1b3d5 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#10 0x00000032bcd1b68d in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#11 0x00000032bf627230 in gtk_object_destroy () from /usr/lib64/libgtk-x11-2.0.so.0
#12 0x00000032bcd0c93b in g_object_run_dispose () from /usr/lib64/libgobject-2.0.so.0
#13 0x00000032bf64213d in gtk_scrolled_window_get_type () from /usr/lib64/libgtk-x11-2.0.so.0
#14 0x00000032bf5970fb in gtk_container_set_resize_mode () from /usr/lib64/libgtk-x11-2.0.so.0
#15 0x00000032bcd0adb3 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#16 0x00000032bcd1a8e4 in g_signal_override_class_closure () from /usr/lib64/libgobject-2.0.so.0
#17 0x00000032bcd1b3d5 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#18 0x00000032bcd1b68d in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#19 0x00000032bf627230 in gtk_object_destroy () from /usr/lib64/libgtk-x11-2.0.so.0
#20 0x00000032bcd0c617 in g_object_unref () from /usr/lib64/libgobject-2.0.so.0
#21 0x00000032bf6dfe0b in gtk_widget_unparent () from /usr/lib64/libgtk-x11-2.0.so.0
#22 0x00000032bf620d8c in gtk_notebook_set_show_tabs () from /usr/lib64/libgtk-x11-2.0.so.0
#23 0x00000032bf620f79 in gtk_notebook_remove_page () from /usr/lib64/libgtk-x11-2.0.so.0
#24 0x00000032bcd0ace8 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#25 0x00000032bcd1a8e4 in g_signal_override_class_closure () from /usr/lib64/libgobject-2.0.so.0
#26 0x00000032bcd1b3d5 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#27 0x00000032bcd1b68d in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#28 0x00000032bf627230 in gtk_object_destroy () from /usr/lib64/libgtk-x11-2.0.so.0
#29 0x00000032bcd0c93b in g_object_run_dispose () from /usr/lib64/libgobject-2.0.so.0
#30 0x000000000042431f in balsa_app_destroy () at balsa-app.c:428
#31 0x00000000004494b5 in balsa_cleanup () at main.c:706
#32 0x00000032bcd0ace8 in g_closure_invoke () from /usr/lib64/libgobject-2.0.so.0
#33 0x00000032bcd1a1da in g_signal_override_class_closure () from /usr/lib64/libgobject-2.0.so.0
#34 0x00000032bcd1b3d5 in g_signal_emit_valist () from /usr/lib64/libgobject-2.0.so.0
#35 0x00000032bcd1b68d in g_signal_emit () from /usr/lib64/libgobject-2.0.so.0
#36 0x00000032bf627230 in gtk_object_destroy () from /usr/lib64/libgtk-x11-2.0.so.0
#37 0x00000032bcd0c93b in g_object_run_dispose () from /usr/lib64/libgobject-2.0.so.0
#38 0x00000032bf60b973 in gtk_main_do_event () from /usr/lib64/libgtk-x11-2.0.so.0
#39 0x00000032bdf4267f in gdk_add_client_message_filter () from /usr/lib64/libgdk-x11-2.0.so.0
#40 0x00000032bc424ba1 in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#41 0x00000032bc4278be in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#42 0x00000032bc427c10 in g_main_loop_run () from /usr/lib64/libglib-2.0.so.0
#43 0x00000032bf60bbf5 in gtk_main () from /usr/lib64/libgtk-x11-2.0.so.0
#44 0x0000000000449af7 in main (argc=1, argv=0x7ffffffcaf68) at main.c:658
#45 0x00000032bbb1ce9f in __libc_start_main () from /lib64/libc.so.6
#46 0x00000000004207a9 in _start ()
#47 0x00007ffffffcaf58 in ?? ()
#48 0x0000000000000000 in ?? ()
(gdb)

Any idea of what's going wrong?

Thanks, Willem Riede.