[Wayland] Fix CodeQL overflow warning

lbonn · Mar 6, 2024 · 47ae31e · 47ae31e
1 parent d8ba203
commit 47ae31e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/source/wayland/display.c b/source/wayland/display.c
@@ -166,7 +166,11 @@ wayland_buffer_pool *display_buffer_pool_new(gint width, gint height) {
   size_t pool_size;
 
   stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, width);
-  size = stride * height;
+  if (stride < 0) {
+    g_warning("cairo stride width calculation failure");
+    return NULL;
+  }
+  size = (size_t)stride * height;
   pool_size = size * wayland->buffer_count;
 
   gchar filename[PATH_MAX];