Comment 2 for bug 959174

StacktraceTop:
 g_dbus_is_name (string=0xaaaaaaaa <Address 0xaaaaaaaa out of bounds>) at /build/buildd/glib2.0-2.31.20/./gio/gdbusutils.c:133
 g_dbus_message_set_sender (message=0xb52028f0, value=0xaaaaaaaa <Address 0xaaaaaaaa out of bounds>) at /build/buildd/glib2.0-2.31.20/./gio/gdbusmessage.c:2694
 bus_dbus_impl_connection_filter_cb (dbus_connection=0xb5c03418, message=0xb52028f0, incoming=1, user_data=0x93c3c10) at dbusimpl.c:1483
 on_worker_message_received (worker=0xb5c0f600, message=<optimized out>, user_data=0xb5c03418) at /build/buildd/glib2.0-2.31.20/./gio/gdbusconnection.c:2281
 _g_dbus_worker_emit_message_received (message=0xb5209b80, worker=0xb5c0f600) at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:492