void SimulateUnresponsiveRenderer(WebContents* web_contents,
                                  RenderWidgetHost* widget) {
  static_cast<WebContentsImpl*>(web_contents)
      ->RendererUnresponsive(RenderWidgetHostImpl::From(widget));
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.