From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Shane Freeder <theboyetronic@gmail.com>
Date: Thu, 30 Mar 2023 03:13:58 +0100
Subject: [PATCH] Treat sequence violations like they should be


diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index ab5b354b0fb42535e8d176a219876e23f08c1f3d..e0bdb0ef35494b376960613bd6e319d179676bf3 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2043,6 +2043,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
 
     public void ackBlockChangesUpTo(int sequence) {
         if (sequence < 0) {
+            this.disconnect("Expected packet sequence nr >= 0", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION); // Paper
             throw new IllegalArgumentException("Expected packet sequence nr >= 0");
         } else {
             this.ackBlockChangesUpTo = Math.max(sequence, this.ackBlockChangesUpTo);