linux-kernel - Re: [RFC PATCH v8 10/17] block|security: add LSM blob to block

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Message-ID: <20220608222807.GA7650@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>
Date:   Wed, 8 Jun 2022 15:28:07 -0700
From:   Deven Bowers <deven.desai@...ux.microsoft.com>
To:     Casey Schaufler <casey@...aufler-ca.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
Subject: Re: [RFC PATCH v8 10/17] block|security: add LSM blob to block_device

On Wed, Jun 08, 2022 at 01:07:39PM -0700, Casey Schaufler wrote:
> On 6/8/2022 12:01 PM, Deven Bowers wrote:
> >block_device structures can have valuable security properties,
> >based on how they are created, and what subsystem manages them.
> >
> >By adding LSM storage to this structure, this data can be accessed
> >at the LSM layer.
> >
> >Signed-off-by: Deven Bowers <deven.desai@...ux.microsoft.com>
> 
> Reviewed-by: Casey Schaufler <casey@...aufler-ca.com>
> 
> Not everyone is going to appreciate the infrastructure allocation
> of the block_device security blob, but I do.

Thanks Casey.