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33 lines
1.7 KiB
Diff
33 lines
1.7 KiB
Diff
From 62e6d06d807ba0cb7b252fb83ae0070f3e1d60e5 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/nbt/NBTTagByteArray.java b/src/main/java/net/minecraft/nbt/NBTTagByteArray.java
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index d1569b1e8..b4fe8ddb5 100644
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--- a/src/main/java/net/minecraft/nbt/NBTTagByteArray.java
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+++ b/src/main/java/net/minecraft/nbt/NBTTagByteArray.java
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@@ -16,6 +16,7 @@ public class NBTTagByteArray extends NBTList<NBTTagByte> {
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public NBTTagByteArray load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws IOException {
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nbtreadlimiter.accountBits(192L);
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int j = datainput.readInt();
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+ com.google.common.base.Preconditions.checkArgument( j < 1 << 24); // Spigot
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nbtreadlimiter.accountBits(8L * (long) j);
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byte[] abyte = new byte[j];
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diff --git a/src/main/java/net/minecraft/nbt/NBTTagIntArray.java b/src/main/java/net/minecraft/nbt/NBTTagIntArray.java
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index d3f3537d0..76c2dcd52 100644
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--- a/src/main/java/net/minecraft/nbt/NBTTagIntArray.java
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+++ b/src/main/java/net/minecraft/nbt/NBTTagIntArray.java
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@@ -16,6 +16,7 @@ public class NBTTagIntArray extends NBTList<NBTTagInt> {
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public NBTTagIntArray load(DataInput datainput, int i, NBTReadLimiter nbtreadlimiter) throws IOException {
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nbtreadlimiter.accountBits(192L);
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int j = datainput.readInt();
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+ com.google.common.base.Preconditions.checkArgument( j < 1 << 24); // Spigot
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nbtreadlimiter.accountBits(32L * (long) j);
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int[] aint = new int[j];
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--
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2.25.1
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