RenderFrameDevToolsAgentHost::GetOrCreateForDangling(
    FrameTreeNode* frame_tree_node) {
  RenderFrameDevToolsAgentHost* result = FindAgentHost(frame_tree_node);
  if (!result)
    result = new RenderFrameDevToolsAgentHost(frame_tree_node);
  return result;
}

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.