static int uas_cmnd_list_empty(struct uas_dev_info *devinfo)
{
	unsigned long flags;
	int i, r = 1;

	spin_lock_irqsave(&devinfo->lock, flags);

	for (i = 0; i < devinfo->qdepth; i++) {
		if (devinfo->cmnd[i]) {
			r = 0; /* Not empty */
			break;
		}
	}

	spin_unlock_irqrestore(&devinfo->lock, flags);

	return r;
}

The product reads data past the end, or before the beginning, of the intended buffer.