diff --git a/Spigot-Server-Patches/0111-Prevent-possible-infinite-loop-in-BlockPosition-iter.patch b/Spigot-Server-Patches/0111-Prevent-possible-infinite-loop-in-BlockPosition-iter.patch index b00de7d7c7..4b91a54c2e 100644 --- a/Spigot-Server-Patches/0111-Prevent-possible-infinite-loop-in-BlockPosition-iter.patch +++ b/Spigot-Server-Patches/0111-Prevent-possible-infinite-loop-in-BlockPosition-iter.patch @@ -1,11 +1,11 @@ -From 74052653db4261320e163b29c7d7e526cb0f5d99 Mon Sep 17 00:00:00 2001 +From 6ab6d576f6c1a3ab8eedff24e7d4f0181e5575d5 Mon Sep 17 00:00:00 2001 From: DemonWav Date: Sat, 26 Mar 2016 21:36:05 -0500 Subject: [PATCH] Prevent possible infinite loop in BlockPosition iterator diff --git a/src/main/java/net/minecraft/server/BlockPosition.java b/src/main/java/net/minecraft/server/BlockPosition.java -index 2d56f02..84e862b 100644 +index 2d56f02..b87c4c6 100644 --- a/src/main/java/net/minecraft/server/BlockPosition.java +++ b/src/main/java/net/minecraft/server/BlockPosition.java @@ -139,15 +139,17 @@ public class BlockPosition extends BaseBlockPosition { @@ -47,6 +47,45 @@ index 2d56f02..84e862b 100644 this.b = new BlockPosition(i, j, k); return this.b; +@@ -187,15 +201,17 @@ public class BlockPosition extends BaseBlockPosition { + + protected BlockPosition.MutableBlockPosition a() { + if (this.b == null) { +- this.b = new BlockPosition.MutableBlockPosition(blockposition.getX(), blockposition.getY(), blockposition.getZ()); ++ this.b = new BlockPosition.MutableBlockPosition(blockposition2.getX(), blockposition2.getY(), blockposition2.getZ()); // Paper - use blockposition2 instead of blockposition to prevent infinite loops + return this.b; +- } else if (this.b.equals(blockposition1)) { ++ } else if (this.b.equals(blockposition3)) { // Paper - use blockposition3 instead of blockposition1 to prevent infinite loops + return (BlockPosition.MutableBlockPosition) this.endOfData(); + } else { + int i = this.b.getX(); + int j = this.b.getY(); + int k = this.b.getZ(); + ++ // Paper start - use blockposition2 and blockposition3 to prevent infinite loops ++ /* + if (i < blockposition1.getX()) { + ++i; + } else if (j < blockposition1.getY()) { +@@ -206,6 +222,18 @@ public class BlockPosition extends BaseBlockPosition { + j = blockposition.getY(); + ++k; + } ++ */ ++ if (i < blockposition3.getX()) { ++ ++i; ++ } else if (j < blockposition3.getY()) { ++ i = blockposition2.getX(); ++ ++j; ++ } else if (k < blockposition3.getZ()) { ++ i = blockposition2.getX(); ++ j = blockposition2.getY(); ++ ++k; ++ } ++ // Paper end + + // Paper start - modify base position variables + ((BaseBlockPosition) this.b).a = i; -- 2.7.4