static void mddev_put(struct mddev *mddev)
{
	struct bio_set *bs = NULL;

	if (!atomic_dec_and_lock(&mddev->active, &all_mddevs_lock))
		return;
	if (!mddev->raid_disks && list_empty(&mddev->disks) &&
	    mddev->ctime == 0 && !mddev->hold_active) {
		/* Array is not configured at all, and not held active,
		 * so destroy it */
		list_del_init(&mddev->all_mddevs);
		bs = mddev->bio_set;
		mddev->bio_set = NULL;
		if (mddev->gendisk) {
			/* We did a probe so need to clean up.  Call
			 * queue_work inside the spinlock so that
			 * flush_workqueue() after mddev_find will
			 * succeed in waiting for the work to be done.
			 */
			INIT_WORK(&mddev->del_work, mddev_delayed_delete);
			queue_work(md_misc_wq, &mddev->del_work);
		} else
			kfree(mddev);
	}
	spin_unlock(&all_mddevs_lock);
	if (bs)
		bioset_free(bs);
}

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