On Mon, Aug 02, 2021 at 08:07:17PM +0800, fuguancheng wrote:
> diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
> index c998860d7bbc..a3ea99f6fc7f 100644
> --- a/include/uapi/linux/vhost.h
> +++ b/include/uapi/linux/vhost.h
> @@ -17,6 +17,13 @@
>
> #define VHOST_FILE_UNBIND -1
>
> +/* structs used for hypervisors to send cid info. */
> +
> +struct multi_cid_message {
> + u32 number_cid;
> + u64 *cid;
> +};
> +
> /* ioctls */
>
> #define VHOST_VIRTIO 0xAF
In this case, a kernel pointer in a UAPI struct is suspicious.
So is padding after number_cid.
--
MST
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