From cff0123ce62a1f721d3aa2ac0fb58019787a7778 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Mon, 24 Jun 2024 23:29:26 +0200
Subject: [PATCH] wl-compositor: don't send enter to defunct output globals

---
 src/protocols/core/Compositor.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/protocols/core/Compositor.cpp b/src/protocols/core/Compositor.cpp
index 4bce3f58..691267b0 100644
--- a/src/protocols/core/Compositor.cpp
+++ b/src/protocols/core/Compositor.cpp
@@ -221,6 +221,11 @@ void CWLSurfaceResource::enter(SP<CMonitor> monitor) {
         return;
     }
 
+    if (PROTO::outputs.at(monitor->szName)->isDefunct()) {
+        LOGM(ERR, "enter() called on a defunct output global");
+        return;
+    }
+
     auto output = PROTO::outputs.at(monitor->szName)->outputResourceFrom(pClient);
 
     if (!output || !output->getResource() || !output->getResource()->resource()) {