From 0f5cd2423cd74c72758ee8e28d3a8234d5c13b34 Mon Sep 17 00:00:00 2001 From: Di Ma Date: Sun, 22 Mar 2020 16:25:27 -0700 Subject: [PATCH] Fix a use-after-free error in switch binding --- sway/commands/bind.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sway/commands/bind.c b/sway/commands/bind.c index 51ac373cb..35991e765 100644 --- a/sway/commands/bind.c +++ b/sway/commands/bind.c @@ -606,7 +606,7 @@ 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; }