linux-kernel - Re: [PATCH 0/6] File Sealing & memfd

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Message-ID: <CANq1E4TufnELwEDZAkzH94Zn3gb46qvxfDboN5y2mK=Q2gk9-Q@mail.gmail.com>
Date:	Tue, 22 Apr 2014 13:55:03 +0200
From:	David Herrmann <dh.herrmann@...il.com>
To:	Florian Weimer <fweimer@...hat.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Kay Sievers <kay@...y.org>, Daniel Mack <zonque@...il.com>,
	Lennart Poettering <lennart@...ttering.net>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>
Subject: Re: [PATCH 0/6] File Sealing & memfd_create()

Hi

On Tue, Apr 22, 2014 at 11:10 AM, Florian Weimer <fweimer@...hat.com> wrote:
> Ah.  What do you recommend for recipient to recognize such descriptors?
> Would they just try to seal them and reject them if this fails?

This highly depends on your use-case. Please see the initial email in
this thread. It describes 2 example use-cases. In both cases, the
recipients read the current set of seals and verify that a given set
of seals is set.

Thanks
David
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