static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv,
				struct ib_qp_attr *qp_attr,
				int *qp_attr_mask)
{
	unsigned long flags;
	int ret;

	spin_lock_irqsave(&cm_id_priv->lock, flags);
	switch (cm_id_priv->id.state) {
	case IB_CM_REQ_SENT:
	case IB_CM_MRA_REQ_RCVD:
	case IB_CM_REQ_RCVD:
	case IB_CM_MRA_REQ_SENT:
	case IB_CM_REP_RCVD:
	case IB_CM_MRA_REP_SENT:
	case IB_CM_REP_SENT:
	case IB_CM_MRA_REP_RCVD:
	case IB_CM_ESTABLISHED:
		*qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS |
				IB_QP_PKEY_INDEX | IB_QP_PORT;
		qp_attr->qp_access_flags = IB_ACCESS_REMOTE_WRITE;
		if (cm_id_priv->responder_resources)
			qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ |
						    IB_ACCESS_REMOTE_ATOMIC;
		qp_attr->pkey_index = cm_id_priv->av.pkey_index;
		qp_attr->port_num = cm_id_priv->av.port->port_num;
		ret = 0;
		break;
	default:
		ret = -EINVAL;
		break;
	}
	spin_unlock_irqrestore(&cm_id_priv->lock, flags);
	return ret;
}

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.