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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-07-25 20:04:59 +0300 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2013-07-30 10:10:35 -0700 |
| commit | 604296303f5f2698e4682c8aefb413554bc4b12a (patch) | |
| tree | e422fd8d3ab1a0c381a2568fb7adadcbd4996625 | |
| parent | 3b2f64d00c46e1e4e9bd0bb9bb12619adac27a4b (diff) | |
| download | linux-reiserfs-604296303f5f2698e4682c8aefb413554bc4b12a.tar.gz | |
RDMA/nes: Fix info leaks in nes_create_qp() and nes_create_cq()
We pass a few bytes of uninitialized stack memory to the user here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_verbs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 8f67fe2e91e623..5b53ca5a22840c 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1384,6 +1384,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, if (ibpd->uobject) { uresp.mmap_sq_db_index = nesqp->mmap_sq_db_index; + uresp.mmap_rq_db_index = 0; uresp.actual_sq_size = sq_size; uresp.actual_rq_size = rq_size; uresp.qp_id = nesqp->hwqp.qp_id; @@ -1767,7 +1768,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, resp.cq_id = nescq->hw_cq.cq_number; resp.cq_size = nescq->hw_cq.cq_size; resp.mmap_db_index = 0; - if (ib_copy_to_udata(udata, &resp, sizeof resp)) { + if (ib_copy_to_udata(udata, &resp, sizeof resp - sizeof resp.reserved)) { nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); kfree(nescq); return ERR_PTR(-EFAULT); |