linux-kernel - Re: [PATCH v4 12/15] smack: Remove redundant pdeath

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Message-ID: <alpine.LRH.2.20.1708011050170.6845@namei.org>
Date:   Tue, 1 Aug 2017 10:50:29 +1000 (AEST)
From:   James Morris <jmorris@...ei.org>
To:     Kees Cook <keescook@...omium.org>
cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Casey Schaufler <casey@...aufler-ca.com>,
        David Howells <dhowells@...hat.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        John Johansen <john.johansen@...onical.com>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        James Morris <james.l.morris@...cle.com>,
        Andy Lutomirski <luto@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 12/15] smack: Remove redundant pdeath_signal
 clearing

On Mon, 31 Jul 2017, Kees Cook wrote:

> This removes the redundant pdeath_signal clearing in Smack: the check in
> smack_bprm_committing_creds() matches the check in smack_bprm_set_creds()
> (which used to be in the now-removed smack_bprm_securexec() hook) and
> since secureexec is now being checked for clearing pdeath_signal, this
> is redundant to the common exec code.
> 
> Cc: Casey Schaufler <casey@...aufler-ca.com>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> Acked-by: Serge Hallyn <serge@...lyn.com>
> ---
>  security/smack/smack_lsm.c | 15 ---------------
>  1 file changed, 15 deletions(-)


Reviewed-by: James Morris <james.l.morris@...cle.com>


-- 
James Morris
<jmorris@...ei.org>