IB/mlx5: Fix leaking stack memory to userspace



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

Fixes: 41d902cb ("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>

parent 0da9be22

drivers/infiniband/hw/mlx5/qp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;