sway

commit c0bce9138b9009724b8b5650ec2ec00b06b948b2
parent 2bece94b9bf2cf099d2f166808385ce8a7940476
Author: Di Ma <focus64@gmail.com>
Date:   Sun, 22 Mar 2020 16:25:27 -0700

Fix a use-after-free error in switch binding

Diffstat:
M
sway/commands/bind.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sway/commands/bind.c b/sway/commands/bind.c
@@ -608,7 +608,7 @@ void seat_execute_command(struct sway_seat *seat, struct sway_binding *binding) 
 			return;
 		}
 		memcpy(deferred, binding, sizeof(struct sway_binding));
-		deferred->command = strdup(binding->command);
+		deferred->command = binding->command ? strdup(binding->command) : NULL;
 		list_add(seat->deferred_bindings, deferred);
 		return;
 	}