Re: [PATCH 2/2] integrity: double check iint_cache was initialized

[Casey Schaufler]

On 2/24/2022 6:20 AM, Petr Vorel wrote:
> Hi Mimi, Tetsuo, Kees, all,
>
> FYI this commit merged as 92063f3ca73a ("integrity: double check iint_cache was initialized")
> is the reason for openSUSE distro installer going back from lsm= to deprecated
> security= when filling default grub parameters because security=apparmor or
> security=selinux does not break boot when used with ima_policy=tcb, unlike
> using lsm.

OK, color me confused. Integrity isn't an LSM. It doesn't
call security_add_hooks().

> @Kees, @Mimi sure, people who use ima_policy=tcb will just remove lsm parameter
> or add "integrity" to it but I wonder whether there could be "integrity"
> automatic inclusion when using ima_policy=tcb. Although the point of lsm= (and
> CONFIG_LSM) is to have *ordered* list of enabled LSMs and it wouldn't be clear
> on which place.

Why would adding integrity to the lsm= make sense? It's not an LSM.

Sorry, but something is wrong here.

> Kind regards,
> Petr