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Paper/patches/server/0930-Treat-sequence-violations-like-they-should-be.patch
Spottedleaf fe54a13b13 Properly call overloaded super onDisconnect
Since the method is overloaded, the call to super (which is changed
to call the overloaded method) without the additional parameters
will result in recursion.
2023-09-26 13:16:24 -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 a352011eff0d7c29a349345ce7426ef4f22f404b..acc717c59ccab1102f3e12be67438998fcda6457 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -2011,6 +2011,7 @@ 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);