Paper/patches/server/0948-Treat-sequence-violations-like-they-should-be.patch
2023-06-08 12:00:58 -07:00

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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 9ca6a2e610b6a82286bb617177bec657fbb13c72..ed54d3f9ab92b3391d459bcd92b7b00adc6e6238 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2123,6 +2123,7 @@ 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);