spigot/CraftBukkit-Patches/0056-Catch-stalling-on-corrupted-map-data-NBT-arrays.patch
2017-11-17 10:24:35 +11:00

33 lines
1.5 KiB
Diff

From 0ba40106b38868a0b4ef472e3b283360b2c483b4 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 e880df5a6..c4a88e463 100644
--- a/src/main/java/net/minecraft/server/NBTTagByteArray.java
+++ b/src/main/java/net/minecraft/server/NBTTagByteArray.java
@@ -40,6 +40,7 @@ public class NBTTagByteArray extends NBTBase {
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 1e2056496..0e6ba927d 100644
--- a/src/main/java/net/minecraft/server/NBTTagIntArray.java
+++ b/src/main/java/net/minecraft/server/NBTTagIntArray.java
@@ -48,6 +48,7 @@ public class NBTTagIntArray extends NBTBase {
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];
--
2.14.1