Re: [PATCH 11/24] uswsusp: Disable when the kernel is locked down

[Oliver Neukum]

Am Donnerstag, den 06.04.2017, 01:38 +0200 schrieb Rafael J. Wysocki:
> On Wed, Apr 5, 2017 at 10:16 PM, David Howells <dhowells@xxxxxxxxxx> wrote:
> > 
> > From: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
> > 
> > uswsusp allows a user process to dump and then restore kernel state, which
> > makes it possible to modify the running kernel.  Disable this if the kernel
> > is locked down.
> > 
> > Signed-off-by: Matthew Garrett <mjg59@xxxxxxxxxxxxx>
> > Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
> > cc: linux-pm@xxxxxxxxxxxxxxx
> 
> You probably want to disable hibernation altogether in this case.

Your swap partition may be located on an NVDIMM or be encrypted.
Isn't this a bit overly drastic?

	Regards
		Oliver