bool RenderLayerCompositor::requiresCompositingForBackfaceVisibilityHidden(RenderObject* renderer) const
{
    return canRender3DTransforms() && renderer->style()->backfaceVisibility() == BackfaceVisibilityHidden;
}

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.