On 10/16/24 7:48 AM, Ming Lei wrote:
> UBLK_F_USER_COPY requires userspace to call write() on ublk char
> device for filling request buffer, and unprivileged device can't
> be trusted.
>
> So don't allow user copy for unprivileged device.
>
> Fixes: 1172d5b8beca ("ublk: support user copy")
I marked this one for stable as well.
--
Jens Axboe
