tasklist crash by KDE application

[Yuusuke Tahara <m5021212 u-aizu ac jp>]

Hi,

I noticed that some KDE application cause a crash of tasklist_applet.
This is backtrace:

#0  0x4034aedc in gdk_image_get () from /usr/lib/libgdk-1.2.so.0
#1  0x4049a37e in gdk_pixbuf_get_from_drawable ()
   from /usr/lib/libgdk_pixbuf.so.1
#2  0x804d354 in task_notifier (func_data=0x0, gwmh_task=0x80a93e8, 
    ntype=GWMH_NOTIFY_NEW, imask=0) at tasklist_applet.c:537
#3  0x8051493 in task_marshaller (hook=0x809c058, data_p=0xbffff780)
    at gwmh.c:1578
#4  0x40094b2f in g_hook_list_marshal_check () from /usr/lib/libglib-1.2.so.0
#5  0x805151e in gwmh_task_notify (task=0x80a93e8, ntype=GWMH_NOTIFY_NEW, 
    imask=0) at gwmh.c:1598
#6  0x805165d in task_new (window=0x80a93b0) at gwmh.c:1641
#7  0x80519d2 in client_list_sync (xwindow_ids=0x80a8160, n_ids=22)
    at gwmh.c:1761
#8  0x805085f in gwmh_desk_update (imask=GWMH_DESK_INFO_FORCE_EVERYTHING)
    at gwmh.c:1027
#9  0x8051022 in gwmh_idle_handler (data=0x0) at gwmh.c:1389
#10 0x40097d36 in g_timeout_add () from /usr/lib/libglib-1.2.so.0
#11 0x40096d29 in g_get_current_time () from /usr/lib/libglib-1.2.so.0
#12 0x40097333 in g_get_current_time () from /usr/lib/libglib-1.2.so.0
#13 0x400974cc in g_main_run () from /usr/lib/libglib-1.2.so.0
#14 0x40298d37 in gtk_main () from /usr/lib/libgtk-1.2.so.0
#15 0x400220fc in applet_widget_gtk_main () from /usr/lib/libpanel_applet.so.0
#16 0x804db8b in main (argc=1, argv=0xbffffb14) at tasklist_applet.c:807

The application (kfinger, kxicq) sets KWM_WIN_ICON property like this:

KWM_WIN_ICON(KWM_WIN_ICON) = 0x0, 0x0

but other normal application sets the value with non-zero. The
tasklist display a mini-icon for such application. On the other hands, 
the application which have zero value cause the carsh because it may
cause an illegal memory access. Is this GNOME bug? or KDE?

I'm using gnome-core-1.1.1, or October GNOME has same problem.

--- Tahara Yuusuke <m5021212@u-aizu.ac.jp>
-> The University of Aizu / Department of Computer Systems
-> http://www.u-aizu.ac.jp/~m5021212/
-> http://gehenna.u-aizu.ac.jp/~tahara/
-> ICQ: 38459330(@work), 35702748(@lab), 14439176(@home)