summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw
diff options
context:
space:
mode:
authorKamenee Arumugam <kamenee.arumugam@intel.com>2017-08-21 18:26:32 -0700
committerDoug Ledford <dledford@redhat.com>2017-08-28 19:12:17 -0400
commit27147273a68ecf5738ef87ccc6cd4bb8883fca84 (patch)
treeaa1fd93479e8eb65efc093fac7a83f9af0e27b33 /drivers/infiniband/hw
parent3b7169338c1caad4d17ed5d9ed412f813c919cd2 (diff)
IB/qib: Stricter bounds checking for copy and array access
Added checking on index value of array 'guids' in qib_ruc.c. Pass in corrrect size of array for memset operation in qib_mad.c. Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Kamenee Arumugam <kamenee.arumugam@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/qib/qib_mad.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_ruc.c6
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 549c71971a1f..82d9da9b6997 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -1573,8 +1573,8 @@ static int pma_get_portcounters_cong(struct ib_pma_mad *pmp,
cntrs.port_xmit_packets -= ibp->z_port_xmit_packets;
cntrs.port_rcv_packets -= ibp->z_port_rcv_packets;
- memset(pmp->reserved, 0, sizeof(pmp->reserved) +
- sizeof(pmp->data));
+ memset(pmp->reserved, 0, sizeof(pmp->reserved));
+ memset(pmp->data, 0, sizeof(pmp->data));
/*
* Set top 3 bits to indicate interval in picoseconds in
diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c
index e6a42a8972f5..53efbb0b40c4 100644
--- a/drivers/infiniband/hw/qib/qib_ruc.c
+++ b/drivers/infiniband/hw/qib/qib_ruc.c
@@ -645,8 +645,10 @@ u32 qib_make_grh(struct qib_ibport *ibp, struct ib_grh *hdr,
hdr->hop_limit = grh->hop_limit;
/* The SGID is 32-bit aligned. */
hdr->sgid.global.subnet_prefix = ibp->rvp.gid_prefix;
- hdr->sgid.global.interface_id = grh->sgid_index ?
- ibp->guids[grh->sgid_index - 1] : ppd_from_ibp(ibp)->guid;
+ if (!grh->sgid_index)
+ hdr->sgid.global.interface_id = ppd_from_ibp(ibp)->guid;
+ else if (grh->sgid_index < QIB_GUIDS_PER_PORT)
+ hdr->sgid.global.interface_id = ibp->guids[grh->sgid_index - 1];
hdr->dgid = grh->dgid;
/* GRH header size in 32-bit words. */