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33 lines
1.7 KiB
Diff
33 lines
1.7 KiB
Diff
From 53e70f86a0880c38bc2ade59680aa17259ad498f 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 ee8a06cc3..c514a6a78 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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@@ -25,6 +25,7 @@ public final class NBTTagByteArray implements NBTList {
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private static byte[] readAccounted(DataInput datainput, NBTReadLimiter nbtreadlimiter) throws IOException {
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nbtreadlimiter.accountBytes(24L);
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int i = datainput.readInt();
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+ com.google.common.base.Preconditions.checkArgument( i < 1 << 24); // Spigot
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nbtreadlimiter.accountBytes(1L, (long) i);
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byte[] abyte = new byte[i];
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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 77b2be7c4..d32512e00 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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@@ -25,6 +25,7 @@ public final class NBTTagIntArray implements NBTList {
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private static int[] readAccounted(DataInput datainput, NBTReadLimiter nbtreadlimiter) throws IOException {
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nbtreadlimiter.accountBytes(24L);
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int i = datainput.readInt();
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+ com.google.common.base.Preconditions.checkArgument( i < 1 << 24); // Spigot
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nbtreadlimiter.accountBytes(4L, (long) i);
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int[] aint = new int[i];
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--
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2.49.0
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