From 3dbe0e9c30d631c439fd06051b72aa3ef01b59f3 Mon Sep 17 00:00:00 2001
From: Jesse Boyd <jessepaleg@gmail.com>
Date: Thu, 7 Jun 2018 03:49:14 +1000
Subject: [PATCH] Fix potential stack overflow

---
 .../com/sk89q/worldedit/extent/AbstractDelegateExtent.java     | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/com/sk89q/worldedit/extent/AbstractDelegateExtent.java b/core/src/main/java/com/sk89q/worldedit/extent/AbstractDelegateExtent.java
index f0a4ac70..c9be9b79 100644
--- a/core/src/main/java/com/sk89q/worldedit/extent/AbstractDelegateExtent.java
+++ b/core/src/main/java/com/sk89q/worldedit/extent/AbstractDelegateExtent.java
@@ -217,7 +217,8 @@ public class AbstractDelegateExtent implements LightingExtent {
     @Nullable
     Operation commit() {
         Operation ours = commitBefore();
-        Operation other = extent.commit();
+        Operation other = null;
+        if (extent != this) other = extent.commit();
         if (ours != null && other != null) {
             return new OperationQueue(ours, other);
         } else if (ours != null) {