linux-kernel - Re: [PATCH v3 10/16] LSM: Infrastructure management of the file security blob

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Message-ID: <CAGXu5jKUfHAK-cFj0YtqqGXypFGigpWNitVOPJx9SubSbnfkzw@mail.gmail.com>
Date:   Thu, 20 Sep 2018 10:25:28 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Casey Schaufler <casey@...aufler-ca.com>
Cc:     LSM <linux-security-module@...r.kernel.org>,
        James Morris <jmorris@...ei.org>,
        SE Linux <selinux@...ho.nsa.gov>,
        LKLM <linux-kernel@...r.kernel.org>,
        John Johansen <john.johansen@...onical.com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <sds@...ho.nsa.gov>,
        "linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Mickaël Salaün <mic@...ikod.net>,
        Salvatore Mesoraca <s.mesoraca16@...il.com>
Subject: Re: [PATCH v3 10/16] LSM: Infrastructure management of the file
 security blob

On Wed, Sep 19, 2018 at 5:21 PM, Casey Schaufler <casey@...aufler-ca.com> wrote:
> diff --git a/security/smack/smack.h b/security/smack/smack.h
> index 01a922856eba..62a22ad8ce92 100644
> --- a/security/smack/smack.h
> +++ b/security/smack/smack.h
> @@ -361,6 +361,11 @@ static inline struct task_smack *smack_cred(const struct cred *cred)
>         return cred->security;
>  }
>
> +static inline struct smack_known **smack_file(const struct file *file)
> +{
> +       return file->f_security;
> +}
> +

This (and related) still needs splitting out into it's own refactoring
patch for Smack.

-Kees

-- 
Kees Cook
Pixel Security