custom url scheme handler +QBuffer will crash the application.

void CustomSchemeHandler::requestStarted( QWebEngineUrlRequestJob * requestJob )
{
  QByteArray ba("this is a test body");
  QBuffer buffer;
  buffer.setData( ba );
  buffer.open(QBuffer::ReadOnly);
  buffer.seek(0);

  requestJob->reply( "text/html", &buffer );
//  buffer.readyRead();

}