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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-10 14:41:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-10 14:41:16 -0800
commita9dbf5c8d4c90f54777f89daf0e34d390808b672 (patch)
treea88262c9b95f6551d3d5baf89de0a9762e969253 /drivers
parentaca9fa0c8d225b1446dbed798b1d2f20e37e52cf (diff)
parent646ebd4166ca00bdf682a36bd2e1c9a74d848ac6 (diff)
downloadlinux-a9dbf5c8d4c90f54777f89daf0e34d390808b672.tar.bz2
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford: "Third round of -rc fixes for 4.10 kernel: - two security related issues in the rxe driver - one compile issue in the RDMA uapi header" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: RDMA: Don't reference kernel private header from UAPI header IB/rxe: Fix mem_check_range integer overflow IB/rxe: Fix resid update
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_mr.c8
-rw-r--r--drivers/infiniband/sw/rxe/rxe_resp.c2
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index d0faca294006..86a6585b847d 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -59,9 +59,11 @@ int mem_check_range(struct rxe_mem *mem, u64 iova, size_t length)
case RXE_MEM_TYPE_MR:
case RXE_MEM_TYPE_FMR:
- return ((iova < mem->iova) ||
- ((iova + length) > (mem->iova + mem->length))) ?
- -EFAULT : 0;
+ if (iova < mem->iova ||
+ length > mem->length ||
+ iova > mem->iova + mem->length - length)
+ return -EFAULT;
+ return 0;
default:
return -EFAULT;
diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index 3435efff8799..5bcf07328972 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -479,7 +479,7 @@ static enum resp_states check_rkey(struct rxe_qp *qp,
goto err2;
}
- resid = mtu;
+ qp->resp.resid = mtu;
} else {
if (pktlen != resid) {
state = RESPST_ERR_LENGTH;