static int cm_sidr_rep_handler(struct cm_work *work)
{
	struct cm_sidr_rep_msg *sidr_rep_msg;
	struct cm_id_private *cm_id_priv;

	sidr_rep_msg = (struct cm_sidr_rep_msg *)
				work->mad_recv_wc->recv_buf.mad;
	cm_id_priv = cm_acquire_id(sidr_rep_msg->request_id, 0);
	if (!cm_id_priv)
		return -EINVAL; /* Unmatched reply. */

	spin_lock_irq(&cm_id_priv->lock);
	if (cm_id_priv->id.state != IB_CM_SIDR_REQ_SENT) {
		spin_unlock_irq(&cm_id_priv->lock);
		goto out;
	}
	cm_id_priv->id.state = IB_CM_IDLE;
	ib_cancel_mad(cm_id_priv->av.port->mad_agent, cm_id_priv->msg);
	spin_unlock_irq(&cm_id_priv->lock);

	cm_format_sidr_rep_event(work);
	cm_process_work(cm_id_priv, work);
	return 0;
out:
	cm_deref_id(cm_id_priv);
	return -EINVAL;
}

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.