| From 0625b4ba1a5d4703c7fb01c497bd6c156908af00 Mon Sep 17 00:00:00 2001 |
| From: Jason Gunthorpe <jgg@mellanox.com> |
| Date: Tue, 14 Aug 2018 15:33:52 -0600 |
| Subject: IB/mlx5: Fix leaking stack memory to userspace |
| |
| From: Jason Gunthorpe <jgg@mellanox.com> |
| |
| commit 0625b4ba1a5d4703c7fb01c497bd6c156908af00 upstream. |
| |
| mlx5_ib_create_qp_resp was never initialized and only the first 4 bytes |
| were written. |
| |
| Fixes: 41d902cb7c32 ("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> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/infiniband/hw/mlx5/qp.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/infiniband/hw/mlx5/qp.c |
| +++ b/drivers/infiniband/hw/mlx5/qp.c |
| @@ -1626,7 +1626,7 @@ static int create_qp_common(struct mlx5_ |
| 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; |
