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SubjectRe: [PATCH security-next v4 23/32] selinux: Remove boot parameter
On Tue, Oct 2, 2018 at 5:05 PM, John Johansen
<> wrote:
> On 10/02/2018 04:54 PM, Kees Cook wrote:
>> That's not how I have it currently. It's a comma-separated a string,
>> including the reserved name "all". The default would just be
>> "CONFIG_LSM_ENABLE=all". Casey and I wanted this to have a way to
>> capture new LSMs by default at build-time.
> I understand where you are coming from, but speaking with my distro
> hat on, that is not going to work. As a distro Ubuntu very much wants
> to be able to offer all the LSMs built in to the kernel so the user
> can select them. But very much wants to be able to specify a default
> supported subset that is enabled at boot.
> I expect RH and Suse will feel similarily. Speaking for Ubuntu if this
> isn't available as part of lsm stacking it will get distro patched in.

Right. Ubuntu would do something like:


And that's why I wanted non-explicit lsm.enable, so that an end user
could just do:


to add loadpin.

Perhaps we could have both? "lsm.enable=+loadpin" (add loadpin to
build default list) vs "lsm.enable=loadpin" (override build default
list with ONLY loadpin).


Kees Cook
Pixel Security

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