From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mariell Hoversholm <proximyst@proximyst.com>
Date: Sun, 27 Sep 2020 16:25:24 +0200
Subject: [PATCH] Don't mark dirty in invalid locations (SPIGOT-6086)


diff --git a/src/main/java/net/minecraft/server/level/ChunkHolder.java b/src/main/java/net/minecraft/server/level/ChunkHolder.java
index 2d81fce2f5d9320b4cc9310fd0428b96318c7237..84f179b5df2e7106913bd17e5f9e5fdd484bce10 100644
--- a/src/main/java/net/minecraft/server/level/ChunkHolder.java
+++ b/src/main/java/net/minecraft/server/level/ChunkHolder.java
@@ -379,6 +379,7 @@ public class ChunkHolder {
     }
 
     public void blockChanged(BlockPos pos) {
+        if (!pos.isValidLocation(levelHeightAccessor)) return; // Paper - SPIGOT-6086 for all invalid locations; avoid acquiring locks
         LevelChunk chunk = this.getSendingChunk(); // Paper - no-tick view distance
 
         if (chunk != null) {