Full UBSan support - many fixes!

1 files changed, 3 insertions, 0 deletions

diff --git a/apps/wm.c b/apps/wm.c
index abbb2bd..a9f22d5 100644
--- a/apps/wm.c
+++ b/apps/wm.c
@@ -251,6 +251,9 @@ static void handle_event_keyboard(struct event_keyboard *event)
 	else if (event->scancode == KEY_LEFTCTRL || event->scancode == KEY_RIGHTCTRL)
 		special_keys.ctrl ^= 1;
 
+	if (event->scancode > KEYMAP_LENGTH)
+		return;
+
 	char ch;
 	if (special_keys.shift)
 		ch = keymap->shift_map[event->scancode];