kern_path_mountpoint(int dfd, const char *name, struct path *path,
			unsigned int flags)
{
	struct filename s = {.name = name};
	return filename_mountpoint(dfd, &s, path, flags);
}

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.