The memcpy() that copies a WQE from a SRQ the QP uses an incorrect size. The size should have been the size of the rxe_send_wqe struct not the size of a pointer to it. The result is that IO operations using a SRQ on the responder side will fail. Fixes: ec0fa2445c18 ("Fix over copying in get_srq_wqe") Signed-off-by: Bob Pearson <rpearsonhpe@xxxxxxxxx> --- drivers/infiniband/sw/rxe/rxe_resp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index 685b8aebd627..5501227ddc65 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -318,7 +318,7 @@ static enum resp_states get_srq_wqe(struct rxe_qp *qp) pr_warn("%s: invalid num_sge in SRQ entry\n", __func__); return RESPST_ERR_MALFORMED_WQE; } - size = sizeof(wqe) + wqe->dma.num_sge*sizeof(struct rxe_sge); + size = sizeof(*wqe) + wqe->dma.num_sge*sizeof(struct rxe_sge); memcpy(&qp->resp.srq_wqe, wqe, size); qp->resp.wqe = &qp->resp.srq_wqe.wqe; -- 2.30.2