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From: "Serge E. Hallyn" <serge@hallyn.com>
To: Christoph Hellwig <hch@lst.de>
Cc: cem@kernel.org, linux-fsdevel@vger.kernel.org, jack@suze.cz,
	djwong@kernel.org, serge@hallyn.com,
	linux-security-module@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org
Subject: Re: [RFC PATCH 1/4] capabily: Add new capable_noaudit
Date: Mon, 29 Jun 2026 08:49:26 -0500	[thread overview]
Message-ID: <akJ35qliH+npZ3iv@mail.hallyn.com> (raw)
In-Reply-To: <20260629122939.GA21958@lst.de>

On Mon, Jun 29, 2026 at 02:29:39PM +0200, Christoph Hellwig wrote:
> On Fri, Jun 26, 2026 at 01:45:20PM +0200, cem@kernel.org wrote:
> > +extern bool capable_noaudit(int cap);
> 
> No need for the extern.
> 
> Otherwise this does look nice an clean to me:
> 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> 
> But if the security folks don't like we can live with the more
> verbose version of it I guess.

Honestly I'm ok either way.  If people misunderstand the shortcut,
and ove-ruse it, that's safer than the other way.  The one that
scare me more is ns_capable(&current_user_ns, X).  I need to do an
audit of the current users of that.

So I'm happy to put

Reviewed-by: Serge Hallyn <serge@hallyn.com>

on the set.

  reply	other threads:[~2026-06-29 13:49 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-26 11:45 [RFC PATCH 0/4] Introduce capable_noaudit cem
2026-06-26 11:45 ` [RFC PATCH 1/4] capabily: Add new capable_noaudit cem
2026-06-26 15:16   ` Darrick J. Wong
2026-06-26 15:31   ` Paul Moore
2026-06-26 17:46     ` Serge E. Hallyn
2026-06-29 12:29   ` Christoph Hellwig
2026-06-29 13:49     ` Serge E. Hallyn [this message]
2026-06-26 11:45 ` [RFC PATCH 2/4] quota: Don't issue audit messages on quota enforcing cem
2026-06-26 15:18   ` Darrick J. Wong
2026-06-29 12:30   ` Christoph Hellwig
2026-06-26 11:45 ` [RFC PATCH 3/4] xfs: replace ns_capable_noaudit() cem
2026-06-26 15:19   ` Darrick J. Wong
2026-06-29 12:30     ` Christoph Hellwig
2026-06-29 12:30   ` Christoph Hellwig
2026-06-26 11:45 ` [RFC PATCH 4/4] capability: unexport has_capability_noaudit cem
2026-06-29 12:31   ` Christoph Hellwig
     [not found]   ` <20260626152008.GW6078@frogsfrogsfrogs>
2026-06-29 12:31     ` Christoph Hellwig

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