static int read_disk_sb(struct md_rdev *rdev, int size)
{
	char b[BDEVNAME_SIZE];

	if (rdev->sb_loaded)
		return 0;

	if (!sync_page_io(rdev, 0, size, rdev->sb_page, READ, true))
		goto fail;
	rdev->sb_loaded = 1;
	return 0;

fail:
	printk(KERN_WARNING "md: disabled device %s, could not read superblock.\n",
		bdevname(rdev->bdev,b));
	return -EINVAL;
}

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.