PaperMC/patches/server/0357-Guard-against-serializing-mismatching-chunk-coordina.patch
Jason bc127ea819
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#6222)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
eec4aab0 SPIGOT-6657: Add getPlayer to SheepDyeWoolEvent
205213c6 SPIGOT-6656: CauldronLevelChangeEvent is not fired correctly when dripstone fills the cauldron

CraftBukkit Changes:
b8c522d5 SPIGOT-6657: Add getPlayer to SheepDyeWoolEvent
f04a77dc SPIGOT-6656: CauldronLevelChangeEvent is not fired correctly when dripstone fills the cauldron
d1dbcebc SPIGOT-6653: Canceling snow bucket placement removes snow from bucket
4f34a67b #891: Fix scheduler task ID overflow and duplication issues

Spigot Changes:
d03d7f12 BUILDTOOLS-604: Rebuild patches
2021-07-18 09:41:53 +02:00

54 lines
3.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Fri, 27 Dec 2019 09:42:26 -0800
Subject: [PATCH] Guard against serializing mismatching chunk coordinate
Should help if something dumb happens
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
index 575f0bcb4db4bd58c949acc3b6a15bbeb7f842a0..79a7221b0462931e94f31ccd7c6dc2720ddfb752 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
@@ -69,6 +69,13 @@ public class ChunkSerializer {
public ChunkSerializer() {}
+ // Paper start - guard against serializing mismatching coordinates
+ // TODO Note: This needs to be re-checked each update
+ public static ChunkPos getChunkCoordinate(CompoundTag chunkData) {
+ CompoundTag levelData = chunkData.getCompound("Level");
+ return new ChunkPos(levelData.getInt("xPos"), levelData.getInt("zPos"));
+ }
+ // Paper end
// Paper start
public static final class InProgressChunkHolder {
@@ -95,8 +102,8 @@ public class ChunkSerializer {
// Paper end
ChunkGenerator chunkgenerator = world.getChunkSource().getGenerator();
BiomeSource worldchunkmanager = chunkgenerator.getBiomeSource();
- CompoundTag nbttagcompound1 = nbt.getCompound("Level");
- ChunkPos chunkcoordintpair1 = new ChunkPos(nbttagcompound1.getInt("xPos"), nbttagcompound1.getInt("zPos"));
+ CompoundTag nbttagcompound1 = nbt.getCompound("Level"); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
+ ChunkPos chunkcoordintpair1 = new ChunkPos(nbttagcompound1.getInt("xPos"), nbttagcompound1.getInt("zPos")); // Paper - diff on change, see ChunkSerializer#getChunkCoordinate
if (!Objects.equals(pos, chunkcoordintpair1)) {
ChunkSerializer.LOGGER.error("Chunk file at {} is in the wrong location; relocating. (Expected {}, got {})", pos, pos, chunkcoordintpair1);
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
index 6f13c7adce7d4b3d170045ea5ef2a841d34ae7b0..176610b31f66b890afe61f4de46c412382bb8d22 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkStorage.java
@@ -117,6 +117,13 @@ public class ChunkStorage implements AutoCloseable {
// Paper start - async chunk io
public void write(ChunkPos chunkPos, CompoundTag nbt) throws IOException {
+ // Paper start
+ if (!chunkPos.equals(ChunkSerializer.getChunkCoordinate(nbt))) {
+ String world = (this instanceof net.minecraft.server.level.ChunkMap) ? ((net.minecraft.server.level.ChunkMap)this).level.getWorld().getName() : null;
+ throw new IllegalArgumentException("Chunk coordinate and serialized data do not have matching coordinates, trying to serialize coordinate " + chunkPos.toString()
+ + " but compound says coordinate is " + ChunkSerializer.getChunkCoordinate(nbt).toString() + (world == null ? " for an unknown world" : (" for world: " + world)));
+ }
+ // Paper end
this.regionFileCache.write(chunkPos, nbt);
// Paper end - Async chunk loading
if (this.legacyStructureHandler != null) {