linux-kernel - Re: [PATCH v26 08/25] LSM: Use lsmblob in security_secid_to

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Date:   Fri, 14 May 2021 12:05:02 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Casey Schaufler <casey@...aufler-ca.com>
Cc:     casey.schaufler@...el.com, jmorris@...ei.org,
        linux-security-module@...r.kernel.org, selinux@...r.kernel.org,
        linux-audit@...hat.com, john.johansen@...onical.com,
        penguin-kernel@...ove.sakura.ne.jp, paul@...l-moore.com,
        sds@...ho.nsa.gov, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org
Subject: Re: [PATCH v26 08/25] LSM: Use lsmblob in security_secid_to_secctx

On Thu, May 13, 2021 at 01:07:50PM -0700, Casey Schaufler wrote:
> Change security_secid_to_secctx() to take a lsmblob as input
> instead of a u32 secid. It will then call the LSM hooks
> using the lsmblob element allocated for that module. The
> callers have been updated as well. This allows for the
> possibility that more than one module may be called upon
> to translate a secid to a string, as can occur in the
> audit code.
> 
> Signed-off-by: Casey Schaufler <casey@...aufler-ca.com>

This looks sensible.

Reviewed-by: Kees Cook <keescook@...omium.org>

-- 
Kees Cook