linux-kernel - Re: [RFC PATCH v9 09/16] block|security: add LSM blob to block

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Message-ID: <Y9jXJ8FrmAnzob7w@infradead.org>
Date:   Tue, 31 Jan 2023 00:53:59 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Fan Wu <wufan@...ux.microsoft.com>
Cc:     corbet@....net, zohar@...ux.ibm.com, jmorris@...ei.org,
        serge@...lyn.com, tytso@....edu, ebiggers@...nel.org,
        axboe@...nel.dk, agk@...hat.com, snitzer@...nel.org,
        eparis@...hat.com, paul@...l-moore.com, linux-doc@...r.kernel.org,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-fscrypt@...r.kernel.org, linux-block@...r.kernel.org,
        dm-devel@...hat.com, linux-audit@...hat.com,
        roberto.sassu@...wei.com, linux-kernel@...r.kernel.org,
        Deven Bowers <deven.desai@...ux.microsoft.com>
Subject: Re: [RFC PATCH v9 09/16] block|security: add LSM blob to block_device

On Mon, Jan 30, 2023 at 02:57:24PM -0800, Fan Wu wrote:
> From: Deven Bowers <deven.desai@...ux.microsoft.com>
> 
> block_device structures can have valuable security properties,
> based on how they are created, and what subsystem manages them.

That's a lot of cloudy talk but no real explanation.