PaperMC/patches/server/0379-Prevent-Double-PlayerChunkMap-adds-crashing-server.patch
Jake Potrebic cfe3ad1b0f
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
45d9c73c SPIGOT-7043: EnderChest does not implement Lidded
86b95f34 SPIGOT-7047: Add Player#getLastDeathLocation

CraftBukkit Changes:
b2557f6ac SPIGOT-7041: Custom BiomeProvider not used when world set to type FLAT
732c50cab SPIGOT-7043: EnderChest does not implement Lidded
6209029ea SPIGOT-7048: addPassenger() not working when vehicle is player
3aa7836df SPIGOT-7047: Add Player#getLastDeathLocation
7d522cd26 SPIGOT-7050: Enchantment data of items will not be saved correctly when saved in YAML configuration file

Spigot Changes:
1dffefb4 Rebuild patches
2022-06-09 18:20:55 -07:00

48 lines
2.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 2 Apr 2020 01:42:39 -0400
Subject: [PATCH] Prevent Double PlayerChunkMap adds crashing server
Suspected case would be around the technique used in .stopRiding
Stack will identify any causer of this and warn instead of crashing.
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 492e073cfc2a43951e20fd2d15a576601e84a364..1290f55259a5ba0b855323ba59a1d9b8d5de0f57 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1642,6 +1642,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
public void addEntity(Entity entity) {
org.spigotmc.AsyncCatcher.catchOp("entity track"); // Spigot
+ // Paper start - ignore and warn about illegal addEntity calls instead of crashing server
+ if (!entity.valid || entity.level != this.level || this.entityMap.containsKey(entity.getId())) {
+ new Throwable("[ERROR] Illegal PlayerChunkMap::addEntity for world " + this.level.getWorld().getName()
+ + ": " + entity + (this.entityMap.containsKey(entity.getId()) ? " ALREADY CONTAINED (This would have crashed your server)" : ""))
+ .printStackTrace();
+ return;
+ }
+ // Paper end
if (!(entity instanceof EnderDragonPart)) {
EntityType<?> entitytypes = entity.getType();
int i = entitytypes.clientTrackingRange() * 16;
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 6c3e14ebc72f179848dfb93f17864843c8a12575..a08a996722095b01720fa985ca7165a41a932056 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -2291,7 +2291,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
public void onTrackingStart(Entity entity) {
org.spigotmc.AsyncCatcher.catchOp("entity register"); // Spigot
- ServerLevel.this.getChunkSource().addEntity(entity);
+ // ServerLevel.this.getChunkSource().addEntity(entity); // Paper - moved down below valid=true
if (entity instanceof ServerPlayer) {
ServerPlayer entityplayer = (ServerPlayer) entity;
@@ -2325,6 +2325,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
entity.updateDynamicGameEventListener(DynamicGameEventListener::add);
entity.valid = true; // CraftBukkit
+ ServerLevel.this.getChunkSource().addEntity(entity);
// Paper start - Set origin location when the entity is being added to the world
if (entity.getOriginVector() == null) {
entity.setOrigin(entity.getBukkitEntity().getLocation());