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 c072cccb0a80019ce2f6c9e73f965ca26f8bc42c..54ea5cfdb6fba3c66349b80e21e66b44c4dbba53 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2129,6 +2129,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
 
     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);