patches/server/0862-Treat-sequence-violations-like-they-should-be.patch


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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 7d03dd75932682ed22bf98f8052ab045468b9b30..63b340bdc21db8d068d0e8f0e7620fd7f1fb877a 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1964,6 +1964,7 @@ 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 - Treat sequence violations like they should be
             throw new IllegalArgumentException("Expected packet sequence nr >= 0");
         } else {
             this.ackBlockChangesUpTo = Math.max(sequence, this.ackBlockChangesUpTo);