[PATCH 2/2] mtd: phram,slram: Disable when the kernel is locked down

James Morris jmorris at namei.org
Tue Sep 10 15:17:26 UTC 2019


On Tue, 10 Sep 2019, Matthew Garrett wrote:

> On Fri, Aug 30, 2019 at 11:47 AM Ben Hutchings <ben at decadent.org.uk> wrote:
> >
> > These drivers allow mapping arbitrary memory ranges as MTD devices.
> > This should be disabled to preserve the kernel's integrity when it is
> > locked down.
> >
> > * Add the HWPARAM flag to the module parameters
> > * When slram is built-in, it uses __setup() to read kernel parameters,
> >   so add an explicit check security_locked_down() check
> >
> > Signed-off-by: Ben Hutchings <ben at decadent.org.uk>
> > Cc: Matthew Garrett <mjg59 at google.com>
> > Cc: David Howells <dhowells at redhat.com>
> > Cc: Joern Engel <joern at lazybastard.org>
> > Cc: linux-mtd at lists.infradead.org
> 
> Reviewed-by: Matthew Garrett <mjg59 at google.com>
> 
> James, should I pick patches like this up and send them to you, or
> will you queue them directly after they're acked?

As long as I'm on the to or cc when they're acked, I can grab them.


-- 
James Morris
<jmorris at namei.org>



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