PaperMC/Spigot-Server-Patches/0066-Ensure-inv-drag-is-in-bounds.patch

From 6d362e1d7af4414e3819f600af7dd740719561ae 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 f9ff5cc..fd226f1 100644
--- a/src/main/java/net/minecraft/server/Container.java
+++ b/src/main/java/net/minecraft/server/Container.java
@@ -142,7 +142,7 @@ 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);
-- 
2.8.2