ui/gtk3/switcher: Avoid to unref m_engines with double run

m_engines could be a buffer overflow if switcher.run() is called again and m_engines is unrefed durling showing the swicher popup. BUG=rhbz#2081055
ibus · Nov 2, 2022 · cd621f8 · cd621f8
1 parent ddead51
commit cd621f8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/ui/gtk3/switcher.vala b/ui/gtk3/switcher.vala
@@ -143,6 +143,8 @@ class Switcher : Gtk.Window {
         assert (m_loop == null);
         assert (index < engines.length);
 
+        if (m_is_running)
+            return index;
         m_is_running = true;
         m_keyval = keyval;
         m_modifiers = state;