From 223dd8bb1aa53b7dd1fb32b8266c109a0a00e047 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=B8=96=E7=95=8C?= <i@sekai.icu>
Date: Mon, 22 Dec 2025 13:48:50 +0800
Subject: [PATCH] Fix TCP DNS response buffer

---
 protocol/dns/handle.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/protocol/dns/handle.go b/protocol/dns/handle.go
index 765e5051..e1323509 100644
--- a/protocol/dns/handle.go
+++ b/protocol/dns/handle.go
@@ -46,7 +46,8 @@ func HandleStreamDNSRequest(ctx context.Context, router adapter.DNSRouter, conn
 			conn.Close()
 			return err
 		}
-		responseBuffer := buf.NewPacket()
+		responseLength := response.Len()
+		responseBuffer := buf.NewSize(3 + responseLength)
 		defer responseBuffer.Release()
 		responseBuffer.Resize(2, 0)
 		n, err := response.PackBuffer(responseBuffer.FreeBytes())