linux-kernel - Re: [kernel-hardening] [PATCH 00/11] S.A.R.A. a new stacked LSM

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Message-ID: <20170713195106.GD4895@mail.hallyn.com>
Date:   Thu, 13 Jul 2017 14:51:06 -0500
From:   "Serge E. Hallyn" <serge@...lyn.com>
To:     Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc:     Matt Brown <matt@...tt.com>,
        Salvatore Mesoraca <s.mesoraca16@...il.com>,
        Mickaël Salaün <mic@...ikod.net>,
        kernel list <linux-kernel@...r.kernel.org>,
        linux-security-module <linux-security-module@...r.kernel.org>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>,
        Brad Spengler <spender@...ecurity.net>,
        PaX Team <pageexec@...email.hu>,
        Casey Schaufler <casey@...aufler-ca.com>,
        Kees Cook <keescook@...omium.org>,
        James Morris <james.l.morris@...cle.com>,
        "Serge E. Hallyn" <serge@...lyn.com>
Subject: Re: [kernel-hardening] [PATCH 00/11] S.A.R.A. a new stacked LSM

Quoting Mimi Zohar (zohar@...ux.vnet.ibm.com):
> On Thu, 2017-07-13 at 08:39 -0400, Matt Brown wrote:
> The question is really from a security perspective which is better?
>  Obviously, as v2 of the patch set changed from using pathnames to
> inodes, it's pretty clear that I think inodes would be better.  Kees,
> Serge, Casey any comments?

Yes, inode seems clearly better.  Paths are too easily worked around.