On Wed, Aug 22, 2018 at 01:41:26PM +0300, Dan Carpenter wrote: > The problem with this copy_to_user() calls is that they don't ensure > that "size" is less than the "length" which the user provided. > > Obviously, this is debugfs and "size" is normally going to be very small > so it probably doesn't matter, but this is the correct thing to do. > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Acked-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>