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IB/mlx5: Fix leaking stack memory to userspace

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mlx5_ib_create_qp_resp was never initialized and only the first 4 bytes
were written.

Fixes: 41d902cb7c ("RDMA/mlx5: Fix definition of mlx5_ib_create_qp_resp")
Cc: <stable@vger.kernel.org>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Jason Gunthorpe 2018-08-14 15:33:52 -06:00
parent 0da9be22cd
commit 0625b4ba1a
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/mlx5/qp.c
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@ -1607,7 +1607,7 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
struct mlx5_ib_resources *devr = &dev->devr;
int inlen = MLX5_ST_SZ_BYTES(create_qp_in);
struct mlx5_core_dev *mdev = dev->mdev;
struct mlx5_ib_create_qp_resp resp;
struct mlx5_ib_create_qp_resp resp = {};
struct mlx5_ib_cq *send_cq;
struct mlx5_ib_cq *recv_cq;
unsigned long flags;