Re: [PATCH v1] rpmsg: strcpy is not safe, use strscpy_pad() instead

From: Mathieu Poirier
Date: Fri Jun 24 2022 - 13:39:31 EST


On Thu, Jun 23, 2022 at 02:20:47PM +0500, Saud Farooqui wrote:
> Replace strcpy() with strscpy_pad() for copying the rpmsg
> device name in rpmsg_register_device_override().
>
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Saud Farooqui <farooqui_saud@xxxxxxxxxxx>
> ---
> drivers/rpmsg/rpmsg_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
> index 290c1f02da10..a4bad4b00414 100644
> --- a/drivers/rpmsg/rpmsg_core.c
> +++ b/drivers/rpmsg/rpmsg_core.c
> @@ -604,7 +604,7 @@ int rpmsg_register_device_override(struct rpmsg_device *rpdev,
> int ret;
>
> if (driver_override)
> - strcpy(rpdev->id.name, driver_override);
> + strscpy_pad(rpdev->id.name, driver_override, RPMSG_NAME_SIZE);

Applied.

Thanks,
Mathieu

>
> dev_set_name(dev, "%s.%s.%d.%d", dev_name(dev->parent),
> rpdev->id.name, rpdev->src, rpdev->dst);
> --
> 2.25.1
>