Update sing-box core

transport/v2raywebsocket/client.go

@@ -93,12 +93,14 @@ func (c *Client) dialContext(ctx context.Context, requestURL *url.URL, headers h
 	reader, _, err := ws.Dialer{Header: ws.HandshakeHeaderHTTP(headers), Protocols: protocols}.Upgrade(deadlineConn, requestURL)
 	deadlineConn.SetDeadline(time.Time{})
 	if err != nil {
+		conn.Close()
 		return nil, err
 	}
 	if reader != nil {
 		buffer := buf.NewSize(reader.Buffered())
 		_, err = buffer.ReadFullFrom(reader, buffer.Len())
 		if err != nil {
+			conn.Close()
 			return nil, err
 		}
 		conn = bufio.NewCachedConn(conn, buffer)

transport/v2raywebsocket/conn.go

@@ -187,6 +187,7 @@ func (c *EarlyWebsocketConn) writeRequest(content []byte) error {
 	if len(lateData) > 0 {
 		_, err = conn.Write(lateData)
 		if err != nil {
+			conn.Close()
 			return err
 		}
 	}