From 672a4a9a21e9a428fcf80ff56502b438fe505e2e Mon Sep 17 00:00:00 2001 From: md_5 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 7525469..7a293eb 100644 --- a/src/main/java/net/minecraft/server/NBTTagByteArray.java +++ b/src/main/java/net/minecraft/server/NBTTagByteArray.java @@ -21,6 +21,7 @@ public class NBTTagByteArray extends NBTBase { void load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws java.io.IOException { 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 f331ef3..17b0c3d 100644 --- a/src/main/java/net/minecraft/server/NBTTagIntArray.java +++ b/src/main/java/net/minecraft/server/NBTTagIntArray.java @@ -25,6 +25,7 @@ public class NBTTagIntArray extends NBTBase { void load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws java.io.IOException { int j = datainput.readInt(); + com.google.common.base.Preconditions.checkArgument( j < 1 << 24); nbtreadlimiter.a((long) (32 * j)); this.data = new int[j]; -- 2.1.0