Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 126/639] RDMA/qedr: Fix out of bounds index check in query pkey | Date | Fri, 24 Jan 2020 10:24:56 +0100 |
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From: Gal Pressman <galpress@amazon.com>
[ Upstream commit dbe30dae487e1a232158c24b432d45281c2805b7 ]
The pkey table size is QEDR_ROCE_PKEY_TABLE_LEN, index should be tested for >= QEDR_ROCE_PKEY_TABLE_LEN instead of > QEDR_ROCE_PKEY_TABLE_LEN.
Fixes: a7efd7773e31 ("qedr: Add support for PD,PKEY and CQ verbs") Signed-off-by: Gal Pressman <galpress@amazon.com> Acked-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/infiniband/hw/qedr/verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 9167a1c40bcf5..8fd8b97348bfe 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -67,7 +67,7 @@ static inline int qedr_ib_copy_to_udata(struct ib_udata *udata, void *src, int qedr_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey) { - if (index > QEDR_ROCE_PKEY_TABLE_LEN) + if (index >= QEDR_ROCE_PKEY_TABLE_LEN) return -EINVAL; *pkey = QEDR_ROCE_PKEY_DEFAULT; -- 2.20.1
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