34 lines
1.5 KiB
Diff
34 lines
1.5 KiB
Diff
From 9ac4a3b1609dd19bb6f8b14f37172207bf9ec6c0 Mon Sep 17 00:00:00 2001
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From: md_5 <git@md-5.net>
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Date: Mon, 20 Jan 2014 13:44:07 +1100
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Subject: [PATCH] Catch stalling on corrupted map data / NBT arrays.
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diff --git a/src/main/java/net/minecraft/server/NBTTagByteArray.java b/src/main/java/net/minecraft/server/NBTTagByteArray.java
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index c6b5f70..13e9d0b 100644
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--- a/src/main/java/net/minecraft/server/NBTTagByteArray.java
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+++ b/src/main/java/net/minecraft/server/NBTTagByteArray.java
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@@ -23,6 +23,7 @@ public class NBTTagByteArray extends NBTBase {
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void load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws IOException {
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nbtreadlimiter.a(192L);
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int j = datainput.readInt();
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+ com.google.common.base.Preconditions.checkArgument( j < 1 << 24);
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nbtreadlimiter.a((long) (8 * j));
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this.data = new byte[j];
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diff --git a/src/main/java/net/minecraft/server/NBTTagIntArray.java b/src/main/java/net/minecraft/server/NBTTagIntArray.java
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index 5f17034..e206e50 100644
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--- a/src/main/java/net/minecraft/server/NBTTagIntArray.java
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+++ b/src/main/java/net/minecraft/server/NBTTagIntArray.java
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@@ -27,6 +27,7 @@ public class NBTTagIntArray extends NBTBase {
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void load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws IOException {
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nbtreadlimiter.a(192L);
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int j = datainput.readInt();
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+ com.google.common.base.Preconditions.checkArgument( j < 1 << 24);
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nbtreadlimiter.a((long) (32 * j));
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this.data = new int[j];
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--
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2.5.0
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