Version-Release number of selected component:
control-center-3.14.0-1.fc21

Additional info:
reporter:       libreport-2.2.3
backtrace_rating: 4
cmdline:        gnome-control-center --overview
crash_function: g_type_check_instance_cast
executable:     /usr/bin/gnome-control-center
kernel:         3.16.3-302.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 g_type_check_instance_cast at gtype.c:4013
 #1 set_fingerprint_label at um-fingerprint-dialog.c:216
 #2 _g_closure_invoke_va at gclosure.c:831
 #8 gtk_button_do_release at gtkbutton.c:1890
 #9 gtk_real_button_released at gtkbutton.c:2008
 #14 multipress_released_cb at gtkbutton.c:611
 #15 ffi_call_unix64 at ../src/x86/unix64.S:76
 #16 ffi_call at ../src/x86/ffi64.c:525
 #17 g_cclosure_marshal_generic_va at gclosure.c:1541
 #18 _g_closure_invoke_va at gclosure.c:831