Fix close conn

outbound/shadowsocksr.go

@@ -109,11 +109,13 @@ func (h *ShadowsocksR) DialContext(ctx context.Context, network string, destinat
 		conn = h.cipher.StreamConn(h.obfs.StreamConn(conn))
 		writeIv, err := conn.(*shadowstream.Conn).ObtainWriteIV()
 		if err != nil {
+			conn.Close()
 			return nil, err
 		}
 		conn = h.protocol.StreamConn(conn, writeIv)
 		err = M.SocksaddrSerializer.WriteAddrPort(conn, destination)
 		if err != nil {
+			conn.Close()
 			return nil, E.Cause(err, "write request")
 		}
 		return conn, nil

outbound/trojan.go

@@ -124,6 +124,7 @@ func (h *trojanDialer) DialContext(ctx context.Context, network string, destinat
 		}
 	}
 	if err != nil {
+		common.Close(conn)
 		return nil, err
 	}
 	switch N.NetworkName(network) {

outbound/vless.go

@@ -123,6 +123,7 @@ func (h *VLESS) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.
 		}
 	}
 	if err != nil {
+		common.Close(conn)
 		return nil, err
 	}
 	if h.xudp {

outbound/vmess.go

@@ -154,6 +154,7 @@ func (h *vmessDialer) DialContext(ctx context.Context, network string, destinati
 		}
 	}
 	if err != nil {
+		common.Close(conn)
 		return nil, err
 	}
 	switch N.NetworkName(network) {