void RenderFrameHostImpl::DidCommitSameDocumentNavigation(
    std::unique_ptr<FrameHostMsg_DidCommitProvisionalLoad_Params>
        validated_params) {
  ScopedActiveURL scoped_active_url(
      validated_params->url,
      frame_tree_node()->frame_tree()->root()->current_origin());
  ScopedCommitStateResetter commit_state_resetter(this);

  if (IsWaitingForUnloadACK())
    return;

  TRACE_EVENT2("navigation",
               "RenderFrameHostImpl::DidCommitSameDocumentNavigation",
               "frame_tree_node", frame_tree_node_->frame_tree_node_id(), "url",
               validated_params->url.possibly_invalid_spec());

  if (!DidCommitNavigationInternal(validated_params.get(),
                                   true /* is_same_document_navigation*/))
    return;

  commit_state_resetter.disable();
}

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.