Paper/Spigot-Server-Patches/0381-Fix-MC-161754.patch
Mariell Hoversholm 654b792caf Updated Upstream (CraftBukkit)
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

CraftBukkit Changes:
a339310c #755: Fix NPE when calling getInventory() for virtual EnderChests
2577f9bf Increase outdated build delay
1dabfdc8 #754: Fix pre-1.16 serialized SkullMeta being broken on 1.16+, losing textures
2020-09-27 11:04:51 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Tue, 24 Sep 2019 16:03:00 -0700
Subject: [PATCH] Fix MC-161754
Fixes https://github.com/PaperMC/Paper/issues/2580
We can use an entity valid check since this method is invoked for
each inventory iteraction (thanks to CB) and on player tick (vanilla).
diff --git a/src/main/java/net/minecraft/server/ContainerHorse.java b/src/main/java/net/minecraft/server/ContainerHorse.java
index 62a9f7802f3800a24a886cb7f592c803d65d1b9d..0c85658ec6f8314eb0fb30b55bdbc20dc03aa981 100644
--- a/src/main/java/net/minecraft/server/ContainerHorse.java
+++ b/src/main/java/net/minecraft/server/ContainerHorse.java
@@ -76,7 +76,7 @@ public class ContainerHorse extends Container {
@Override
public boolean canUse(EntityHuman entityhuman) {
- return this.c.a(entityhuman) && this.d.isAlive() && this.d.g((Entity) entityhuman) < 8.0F;
+ return this.c.a(entityhuman) && (this.d.isAlive() && this.d.valid) && this.d.g((Entity) entityhuman) < 8.0F; // Paper - Fix MC-161754
}
@Override