From 89fa9367ba4548b60a0fc34e6671b2880f97f8cc Mon Sep 17 00:00:00 2001
From: Darien Raymond <admin@v2ray.com>
Date: Wed, 29 Aug 2018 16:42:14 +0200
Subject: [PATCH] release buffer on error

---
 app/dns/udpns.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/dns/udpns.go b/app/dns/udpns.go
index ca4a1ed12..5cc89e66d 100644
--- a/app/dns/udpns.go
+++ b/app/dns/udpns.go
@@ -256,6 +256,7 @@ func msgToBuffer(msg *dns.Msg) (*buf.Buffer, error) {
 		writtenBuffer, err := msg.PackBuffer(b)
 		return len(writtenBuffer), err
 	}); err != nil {
+		buffer.Release()
 		return nil, err
 	}
 	return buffer, nil