#3775: Allow decompressed packets to grow to max capacity

Do not use size as max capacity, as its possible that the entity rewriter increases the size afterwards. This would result in a kick (it happens rarely as the entity ids size must differ).
SpigotMC · Jan 28, 2025 · 4fded98 · 4fded98
1 parent 6b22690
commit 4fded98
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/proxy/src/main/java/net/md_5/bungee/compress/PacketDecompressor.java b/proxy/src/main/java/net/md_5/bungee/compress/PacketDecompressor.java
@@ -41,7 +41,9 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) t
                 throw new OverflowPacketException( "Packet may not be larger than " + MAX_DECOMPRESSED_LEN + " bytes" );
             }
 
-            ByteBuf decompressed = ctx.alloc().directBuffer( size, size );
+            // Do not use size as max capacity, as its possible that the entity rewriter increases the size afterwards
+            // This would result in a kick (it happens rarely as the entity ids size must differ)
+            ByteBuf decompressed = ctx.alloc().directBuffer( size, MAX_DECOMPRESSED_LEN );
             try
             {
                 zlib.process( in, decompressed );