From 4cbd43c2c7108c739f05b4071b27c8276b7ccf2c Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Mon, 20 Jan 2014 13:44:07 +1100
Subject: [PATCH] Catch stalling on corrupted map data / NBT arrays.


diff --git a/src/main/java/net/minecraft/server/NBTTagByteArray.java b/src/main/java/net/minecraft/server/NBTTagByteArray.java
index cd5314121..1110b277f 100644
--- a/src/main/java/net/minecraft/server/NBTTagByteArray.java
+++ b/src/main/java/net/minecraft/server/NBTTagByteArray.java
@@ -43,6 +43,7 @@ public class NBTTagByteArray extends NBTList<NBTTagByte> {
     public void load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws IOException {
         nbtreadlimiter.a(192L);
         int j = datainput.readInt();
+        com.google.common.base.Preconditions.checkArgument( j < 1 << 24);
 
         nbtreadlimiter.a((long) (8 * j));
         this.data = new byte[j];
diff --git a/src/main/java/net/minecraft/server/NBTTagIntArray.java b/src/main/java/net/minecraft/server/NBTTagIntArray.java
index 36a9edd2e..e3ed32aa7 100644
--- a/src/main/java/net/minecraft/server/NBTTagIntArray.java
+++ b/src/main/java/net/minecraft/server/NBTTagIntArray.java
@@ -51,6 +51,7 @@ public class NBTTagIntArray extends NBTList<NBTTagInt> {
     public void load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws IOException {
         nbtreadlimiter.a(192L);
         int j = datainput.readInt();
+        com.google.common.base.Preconditions.checkArgument( j < 1 << 24);
 
         nbtreadlimiter.a((long) (32 * j));
         this.data = new int[j];
-- 
2.20.1