papermc/Spigot-Server-Patches/0068-Ensure-inv-drag-is-in-bounds.patch

From b2f9be4f53440860fd75b41484b8347f5e23d231 Mon Sep 17 00:00:00 2001
From: Joseph Hirschfeld <joe@ibj.io>
Date: Thu, 3 Mar 2016 02:33:53 -0600
Subject: [PATCH] Ensure inv drag is in bounds


diff --git a/src/main/java/net/minecraft/server/Container.java b/src/main/java/net/minecraft/server/Container.java
index 000b4db..e72eac4 100644
--- a/src/main/java/net/minecraft/server/Container.java
+++ b/src/main/java/net/minecraft/server/Container.java
@@ -110,7 +110,7 @@ public abstract class Container {
     }
 
     public ItemStack b(EntityHuman entityhuman, int i) {
-        Slot slot = (Slot) this.c.get(i);
+        Slot slot = i < this.c.size() ? this.c.get(i) : null; // Paper - Ensure drag in bounds
 
         return slot != null ? slot.getItem() : null;
     }
-- 
2.8.0