Paper/patches/server/0853-Warn-on-plugins-accessing-faraway-chunks.patch
Nassim Jahnke 275173e538
Updated Upstream (Bukkit/CraftBukkit)
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:
0c5d8709 SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends
255c4fdb SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot

CraftBukkit Changes:
b6b514b7e SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends
fcff84de9 SPIGOT-7399: Revert null check in CraftMetaItem#safelyAdd
44a4b5649 SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot
676969d01 SPIGOT-7389: Handle setting null items in ChiseledBookshelf Inventory
2023-06-18 13:18:11 +02:00

97 Zeilen
5.3 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Owen1212055 <23108066+Owen1212055@users.noreply.github.com>
Date: Fri, 29 Jul 2022 12:35:19 -0400
Subject: [PATCH] Warn on plugins accessing faraway chunks
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 8107c8e4a994523c75252f7762e362ab6eb13e43..b3f4469c137d221bf5f43565800df59c06101610 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -421,7 +421,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
}
private static boolean isInWorldBoundsHorizontal(BlockPos pos) {
- return pos.getX() >= -30000000 && pos.getZ() >= -30000000 && pos.getX() < 30000000 && pos.getZ() < 30000000;
+ return pos.getX() >= -30000000 && pos.getZ() >= -30000000 && pos.getX() < 30000000 && pos.getZ() < 30000000; // Dif on change
}
private static boolean isOutsideSpawnableHeight(int y) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 5deed29e78ba599c4732b9bac57f0661e4871882..1a481fb4f4228f0fea8a7dc6132248c98b727c90 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -310,9 +310,24 @@ public class CraftWorld extends CraftRegionAccessor implements World {
public boolean setSpawnLocation(int x, int y, int z) {
return this.setSpawnLocation(x, y, z, 0.0F);
}
+ // Paper start
+ private static void warnUnsafeChunk(String reason, int x, int z) {
+ // if any chunk coord is outside of 30 million blocks
+ if (x > 1875000 || z > 1875000 || x < -1875000 || z < -1875000) {
+ Plugin plugin = io.papermc.paper.util.StackWalkerUtil.getFirstPluginCaller();
+ if (plugin != null) {
+ plugin.getLogger().warning("Plugin is %s at (%s, %s), this might cause issues.".formatted(reason, x, z));
+ }
+ if (net.minecraft.server.MinecraftServer.getServer().isDebugging()) {
+ io.papermc.paper.util.TraceUtil.dumpTraceForThread("Dangerous chunk retrieval");
+ }
+ }
+ }
+ // Paper end
@Override
public Chunk getChunkAt(int x, int z) {
+ warnUnsafeChunk("getting a faraway chunk", x, z); // Paper
// Paper start - add ticket to hold chunk for a little while longer if plugin accesses it
net.minecraft.world.level.chunk.LevelChunk chunk = this.world.getChunkSource().getChunkAtIfLoadedImmediately(x, z);
if (chunk == null) {
@@ -427,6 +442,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean regenerateChunk(int x, int z) {
org.spigotmc.AsyncCatcher.catchOp("chunk regenerate"); // Spigot
+ warnUnsafeChunk("regenerating a faraway chunk", x, z); // Paper
// Paper start - implement regenerateChunk method
final ServerLevel serverLevel = this.world;
final net.minecraft.server.level.ServerChunkCache serverChunkCache = serverLevel.getChunkSource();
@@ -522,6 +538,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean loadChunk(int x, int z, boolean generate) {
org.spigotmc.AsyncCatcher.catchOp("chunk load"); // Spigot
+ warnUnsafeChunk("loading a faraway chunk", x, z); // Paper
// Paper start - Optimize this method
ChunkPos chunkPos = new ChunkPos(x, z);
ChunkAccess immediate = world.getChunkSource().getChunkAtIfLoadedImmediately(x, z); // Paper
@@ -585,6 +602,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public boolean addPluginChunkTicket(int x, int z, Plugin plugin) {
+ warnUnsafeChunk("adding a faraway chunk ticket", x, z); // Paper
Preconditions.checkArgument(plugin != null, "null plugin");
Preconditions.checkArgument(plugin.isEnabled(), "plugin is not enabled");
@@ -653,6 +671,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public void setChunkForceLoaded(int x, int z, boolean forced) {
+ warnUnsafeChunk("forceloading a faraway chunk", x, z); // Paper
this.getHandle().setChunkForced(x, z, forced);
}
@@ -965,6 +984,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
@Override
public int getHighestBlockYAt(int x, int z, org.bukkit.HeightMap heightMap) {
+ warnUnsafeChunk("getting a faraway chunk", x >> 4, z >> 4); // Paper
// Transient load for this tick
return this.world.getChunk(x >> 4, z >> 4).getHeight(CraftHeightMap.toNMS(heightMap), x, z);
}
@@ -2376,6 +2396,7 @@ public class CraftWorld extends CraftRegionAccessor implements World {
// Spigot end
// Paper start
public java.util.concurrent.CompletableFuture<Chunk> getChunkAtAsync(int x, int z, boolean gen, boolean urgent) {
+ warnUnsafeChunk("getting a faraway chunk async", x, z); // Paper
if (Bukkit.isPrimaryThread()) {
net.minecraft.world.level.chunk.LevelChunk immediate = this.world.getChunkSource().getChunkAtIfLoadedImmediately(x, z);
if (immediate != null) {