[prevent][30953] Fix for out-of-bounds access

bug if already fixed in upstream:
https://github.com/GNOME/at-spi2-atk/commit/3288122192d10a1657d06bb8513cb68df6cbeba5

Change-Id: Iad1b14bfb9e73a33ffea4d87a6ff9551e47d49fc

diff --git a/atk-adaptor/event.c b/atk-adaptor/event.c
index 4d8ca22..a8f5569 100644 (file)
--- a/atk-adaptor/event.c
+++ b/atk-adaptor/event.c
@@ -388,7 +388,7 @@ signal_is_needed (AtkObject *obj, const gchar *klass, const gchar *major,
   if (!spi_global_app_data->events_initialized)
     return TRUE;
 
-  data [0] = ensure_proper_format (klass + 21);
+  data [0] = ensure_proper_format (klass[0] ? klass + 21 : klass);
   data [1] = ensure_proper_format (major);
   data [2] = ensure_proper_format (minor);
   data [3] = NULL;