From f17a8ae4a73cef2e4c35c92919eff663938aac22 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..3114027 100644
--- a/src/main/java/net/minecraft/server/Container.java
+++ b/src/main/java/net/minecraft/server/Container.java
@@ -138,7 +138,7 @@ public abstract class Container {
                     this.d();
                 }
             } else if (this.g == 1) {
-                Slot slot = (Slot) this.c.get(i);
+                Slot slot = i < this.c.size() ? this.c.get(i) : null; // Paper - Ensure drag in bounds
 
                 if (slot != null && a(slot, playerinventory.getCarried(), true) && slot.isAllowed(playerinventory.getCarried()) && playerinventory.getCarried().count > this.h.size() && this.b(slot)) {
                     this.h.add(slot);
-- 
2.8.0