bool RenderLayerCompositor::scrollingLayerDidChange(RenderLayer* layer)
{
    if (ScrollingCoordinator* scrollingCoordinator = this->scrollingCoordinator())
        return scrollingCoordinator->scrollableAreaScrollLayerDidChange(layer->scrollableArea());
    return false;
}

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.