static int set_user_rq_size(struct mlx5_ib_dev *dev,
			    struct ib_wq_init_attr *wq_init_attr,
			    struct mlx5_ib_create_wq *ucmd,
			    struct mlx5_ib_rwq *rwq)
{
	/* Sanity check RQ size before proceeding */
	if (wq_init_attr->max_wr > (1 << MLX5_CAP_GEN(dev->mdev, log_max_wq_sz)))
		return -EINVAL;

	if (!ucmd->rq_wqe_count)
		return -EINVAL;

	rwq->wqe_count = ucmd->rq_wqe_count;
	rwq->wqe_shift = ucmd->rq_wqe_shift;
	if (check_shl_overflow(rwq->wqe_count, rwq->wqe_shift, &rwq->buf_size))
		return -EINVAL;

	rwq->log_rq_stride = rwq->wqe_shift;
	rwq->log_rq_size = ilog2(rwq->wqe_count);
	return 0;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.