On Wed, Apr 09, 2025 at 02:50:13PM -0400, Paul Moore wrote:
> Add a new LSM notifier event, LSM_STARTED_ALL, which is fired once at
> boot when all of the LSMs have been started.

This is where the lsm_names string could be built too...

Reviewed-by: Kees Cook <k...@kernel.org>


> 
> Signed-off-by: Paul Moore <p...@paul-moore.com>
> ---
>  include/linux/security.h | 1 +
>  security/lsm_init.c      | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/include/linux/security.h b/include/linux/security.h
> index 8aac21787a9f..a0ff4fc69375 100644
> --- a/include/linux/security.h
> +++ b/include/linux/security.h
> @@ -85,6 +85,7 @@ struct timezone;
>  
>  enum lsm_event {
>       LSM_POLICY_CHANGE,
> +     LSM_STARTED_ALL,
>  };
>  
>  struct dm_verity_digest {
> diff --git a/security/lsm_init.c b/security/lsm_init.c
> index c0881407ca3f..cad6d243a2a6 100644
> --- a/security/lsm_init.c
> +++ b/security/lsm_init.c
> @@ -553,6 +553,7 @@ static int __init security_initcall_late(void)
>  
>       rc = lsm_initcall(late);
>       lsm_pr_dbg("all enabled LSMs fully activated\n");
> +     call_blocking_lsm_notifier(LSM_STARTED_ALL, NULL);
>  
>       return rc;
>  }
> -- 
> 2.49.0
> 

-- 
Kees Cook

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