From 4f4c540bb9ec47c77ff30e1a7ddd7d00d63c67b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Leonardo=20Hern=C3=A1ndez=20Hern=C3=A1ndez?=
 <leohdz172@proton.me>
Date: Thu, 16 Nov 2023 21:00:16 -0600
Subject: [PATCH] prevent a use-after-free at exit

---
 dwl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dwl.c b/dwl.c
index 37dc27f66400081e9d1e7594004f747fd89a8836..82b7248c7bdc7268c74e72a6ff12edb82d26257f 100644
--- a/dwl.c
+++ b/dwl.c
@@ -627,6 +627,7 @@ cleanup(void)
 {
 #ifdef XWAYLAND
 	wlr_xwayland_destroy(xwayland);
+	xwayland = NULL;
 #endif
 	wl_display_destroy_clients(dpy);
 	if (child_pid > 0) {