Paper/patches/server/0370-Prevent-Double-PlayerChunkMap-adds-crashing-server.patch

48 lines
2.9 KiB
Diff
Raw Normal View History

2021-06-11 14:02:28 +02:00
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 a7a3e163cc93d71c843c75f93b78573fe8118613..fc561ba1a8df5fe87b69d7e2ff18ebca04933bfe 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
2022-12-07 20:22:28 +01:00
@@ -1030,6 +1030,13 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
2021-06-11 14:02:28 +02:00
2021-06-16 00:24:12 +02:00
public void addEntity(Entity entity) {
2021-06-11 14:02:28 +02:00
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())) {
+ LOGGER.error("Illegal ChunkMap::addEntity for world " + this.level.getWorld().getName()
+ + ": " + entity + (this.entityMap.containsKey(entity.getId()) ? " ALREADY CONTAINED (This would have crashed your server)" : ""), new Throwable());
2021-06-11 14:02:28 +02:00
+ 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 52a514b657485246827bf9c153303b8b5229bf5b..62f1f568bba5fbcb68e49640adb79c9384619bc6 100644
2021-06-11 14:02:28 +02:00
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -2325,7 +2325,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
2021-06-11 14:02:28 +02:00
2021-06-14 00:05:18 +02:00
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) {
2021-12-10 15:24:07 +01:00
ServerPlayer entityplayer = (ServerPlayer) entity;
@@ -2359,6 +2359,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
2021-06-14 00:05:18 +02:00
2022-06-08 06:22:42 +02:00
entity.updateDynamicGameEventListener(DynamicGameEventListener::add);
2021-06-11 14:02:28 +02:00
entity.valid = true; // CraftBukkit
2021-06-14 00:05:18 +02:00
+ ServerLevel.this.getChunkSource().addEntity(entity);
2021-06-18 05:37:23 +02:00
// Paper start - Set origin location when the entity is being added to the world
if (entity.getOriginVector() == null) {
entity.setOrigin(entity.getBukkitEntity().getLocation());