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-rw-r--r--src/main/java/net/minecraft/server/BlockPiston.java1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/BlockPiston.java b/src/main/java/net/minecraft/server/BlockPiston.java
index 17ba1e6f..d08f4274 100644
--- a/src/main/java/net/minecraft/server/BlockPiston.java
+++ b/src/main/java/net/minecraft/server/BlockPiston.java
@@ -218,6 +218,7 @@ public class BlockPiston extends Block {
}
public static int d(int i) {
+ if ((i & 7) >= Facing.a.length) return 0; // CraftBukkit - check for AIOOB on piston data
return i & 7;
}