tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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RDMA/bnxt_re: Add missing comp_mask validation

Two existing req driver data structures have comp_mask but nothing
checks them for valid contents. Add the missing checks.

Link: https://patch.msgid.link/r/10-v3-bd56dd443069+49-bnxt_re_uapi_jgg@nvidia.com
Tested-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Acked-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

Jason Gunthorpe 0cee3aca 3f6b103c

+5 -2
+5 -2
drivers/infiniband/hw/bnxt_re/ib_verbs.c
··· 1693 1693 1694 1694 uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx); 1695 1695 if (udata) { 1696 - rc = ib_copy_validate_udata_in(udata, ureq, qp_handle); 1696 + rc = ib_copy_validate_udata_in_cm(udata, ureq, qp_handle, 0); 1697 1697 if (rc) 1698 1698 return rc; 1699 1699 } ··· 4471 4471 resp.comp_mask |= BNXT_RE_UCNTX_CMASK_QP_RATE_LIMIT_ENABLED; 4472 4472 4473 4473 if (udata->inlen) { 4474 - rc = ib_copy_validate_udata_in(udata, ureq, comp_mask); 4474 + rc = ib_copy_validate_udata_in_cm( 4475 + udata, ureq, comp_mask, 4476 + BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT | 4477 + BNXT_RE_COMP_MASK_REQ_UCNTX_VAR_WQE_SUPPORT); 4475 4478 if (rc) 4476 4479 goto cfail; 4477 4480 if (ureq.comp_mask & BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT) {