Re: [PATCH V40 04/29] lockdown: Enforce module signatures if the kernel is locked down

From: David Howells
Date: Fri Aug 30 2019 - 12:31:17 EST


Matthew Garrett <matthewgarrett@xxxxxxxxxx> wrote:

> enum lockdown_reason {
> LOCKDOWN_NONE,
> + LOCKDOWN_MODULE_SIGNATURE,
> LOCKDOWN_INTEGRITY_MAX,
> LOCKDOWN_CONFIDENTIALITY_MAX,
> };

Aren't you mixing disjoint sets?

> + [LOCKDOWN_MODULE_SIGNATURE] = "unsigned module loading",

Wouldn't it be better to pass this string as a parameter to
security_locked_down()?

David