From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: jmp <jasonpenilla2@me.com>
Date: Sun, 4 Oct 2020 19:55:25 -0700
Subject: [PATCH] Fix CME on adding a passenger in CreatureSpawnEvent


diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index d698fefd5d492bc6fe8b9e7d07108d6ba77d8576..f562f29193f30ac38112a1e9db45da4efe10eeb0 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -3434,7 +3434,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
     }
 
     private Stream<Entity> getIndirectPassengersStream() {
-        return this.passengers.stream().flatMap(Entity::getSelfAndPassengers);
+        return ImmutableList.copyOf(this.passengers).stream().flatMap(Entity::getSelfAndPassengers); // Paper
     }
 
     @Override