Paper/Spigot-Server-Patches/0136-Don-t-allow-entities-to-ride-themselves-572.patch
Shane Freeder 298c9022b0 Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appears 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:
ccb9614e #548: LivingEntity - add methods for getting/setting invisibility

CraftBukkit Changes:
f8d4da08 #743: LivingEntity - add methods for getting/setting invisibility

Spigot Changes:
17d78dbd Rebuild patches
2020-09-19 12:29:53 +01:00

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Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Alfie Cleveland <alfeh@me.com>
Date: Sun, 8 Jan 2017 04:31:36 +0000
Subject: [PATCH] Don't allow entities to ride themselves - #572
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index f5c760a8db6f509298f53df3538e7dd60f096b50..e720917159089e80dc8589ef7345644b44409c3d 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -1955,6 +1955,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
}
protected boolean addPassenger(Entity entity) { // CraftBukkit
+ if (entity == this) throw new IllegalArgumentException("Entities cannot become a passenger of themselves"); // Paper - issue 572
if (entity.getVehicle() != this) {
throw new IllegalStateException("Use x.startRiding(y), not y.addPassenger(x)");
} else {