From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Telesphoreo <me@telesphoreo.me>
Date: Mon, 22 Aug 2022 21:33:37 -0500
Subject: [PATCH] Fixes out of bounds HangingEntity crash exploit


diff --git a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
index 334a47b5e0d205c57dfcbb17168cbd3f21d15606..0227f4ed153d229747722ab709932741e0998dc1 100644
--- a/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/decoration/HangingEntity.java
@@ -270,6 +270,13 @@ public abstract class HangingEntity extends Entity {
     public void readAdditionalSaveData(CompoundTag nbt) {
         BlockPos blockposition = new BlockPos(nbt.getInt("TileX"), nbt.getInt("TileY"), nbt.getInt("TileZ"));
 
+        // Scissors start - Fixes exploit where bad TileX, TileY, and TileZ coordinates can crash servers
+        if (level.isLoadedAndInBounds(blockposition))
+        {
+            this.pos = blockposition;
+        }
+        // Scissors end
+
         if (!blockposition.closerThan(this.blockPosition(), 16.0D)) {
             HangingEntity.LOGGER.error("Hanging entity at invalid position: {}", blockposition);
         } else {