menu-cache segfault

$ gdb pcmanfm
GNU gdb (GDB) Fedora (7.4.50.20120120-50.fc17)
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Reading symbols from /usr/bin/pcmanfm...done.
(gdb) run
Starting program: /usr/bin/pcmanfm
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
[New Thread 0xb23f4b40 (LWP 13906)]
[New Thread 0xb19ffb40 (LWP 13907)]
[Thread 0xb19ffb40 (LWP 13907) exited]
[Thread 0xb23f4b40 (LWP 13906) exited]
[New Thread 0xb23f4b40 (LWP 13908)]
[New Thread 0xb19ffb40 (LWP 13909)]
Detaching after fork from child process 13910.

(pcmanfm:13903): GLib-GIO-CRITICAL **: g_icon_hash: assertion `G_IS_ICON (icon)' failed

(pcmanfm:13903): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed

(pcmanfm:13903): GLib-GIO-CRITICAL **: g_icon_hash: assertion `G_IS_ICON (icon)' failed
[Thread 0xb19ffb40 (LWP 13909) exited]
[New Thread 0xb19ffb40 (LWP 13913)]

(pcmanfm:13903): GLib-GIO-CRITICAL **: g_icon_hash: assertion `G_IS_ICON (icon)' failed

(pcmanfm:13903): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
[Thread 0xb19ffb40 (LWP 13913) exited]
[New Thread 0xb19ffb40 (LWP 13914)]

(pcmanfm:13903): GLib-GIO-CRITICAL **: g_icon_hash: assertion `G_IS_ICON (icon)' failed

(pcmanfm:13903): GLib-GObject-CRITICAL **: g_object_ref: assertion `G_IS_OBJECT (object)' failed

(pcmanfm:13903): GLib-GIO-CRITICAL **: g_icon_hash: assertion `G_IS_ICON (icon)' failed

Program received signal SIGSEGV, Segmentation fault.
reload_notify (cache=0x81eea48) at menu-cache.c:386
386	        CacheReloadNotifier* n = (CacheReloadNotifier*)l->data;
Missing separate debuginfos, use: debuginfo-install gamin-0.1.10-12.fc17.i686 libexif-0.6.20-2.fc17.i686
(gdb) bt
#0  reload_notify (cache=0x81eea48) at menu-cache.c:386
#1  menu_cache_reload (cache=0x81eea48) at menu-cache.c:446
#2  0xb736cd7f in on_server_io (ch=0xb1a0bc38, cond=G_IO_IN, user_data=user_data@entry=0x0) at menu-cache.c:747
#3  0xb73f803f in g_io_unix_dispatch (source=source@entry=0xb1a0bc80, callback=0xb736cbd0 <on_server_io>, user_data=0x0) at giounix.c:166
#4  0xb73b5fbb in g_main_dispatch (context=0x80981c8) at gmain.c:2539
#5  g_main_context_dispatch (context=context@entry=0x80981c8) at gmain.c:3075
#6  0xb73b6360 in g_main_context_iterate (context=0x80981c8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>)
    at gmain.c:3146
#7  0xb73b67c3 in g_main_loop_run (loop=loop@entry=0x80bfe70) at gmain.c:3340
#8  0xb7ae0b30 in IA__gtk_main () at gtkmain.c:1257
#9  0x0805195e in main (argc=1, argv=0xbffff2e4) at pcmanfm.c:232