linux-kernel - Re: [PATCH v9 4/8] IMA: add policy rule to measure critical data

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Message-ID: <17b756ea-5097-215e-fcad-c2d06f46ec23@linux.microsoft.com>
Date:   Sat, 12 Dec 2020 17:21:19 -0800
From:   Tushar Sugandhi <tusharsu@...ux.microsoft.com>
To:     Tyler Hicks <tyhicks@...ux.microsoft.com>
Cc:     zohar@...ux.ibm.com, stephen.smalley.work@...il.com,
        casey@...aufler-ca.com, agk@...hat.com, snitzer@...hat.com,
        gmazyland@...il.com, paul@...l-moore.com, sashal@...nel.org,
        jmorris@...ei.org, nramas@...ux.microsoft.com,
        linux-integrity@...r.kernel.org, selinux@...r.kernel.org,
        linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, dm-devel@...hat.com
Subject: Re: [PATCH v9 4/8] IMA: add policy rule to measure critical data



On 2020-12-12 11:20 a.m., Tyler Hicks wrote:
> On 2020-12-12 10:02:47, Tushar Sugandhi wrote:
>> A new IMA policy rule is needed for the IMA hook
>> ima_measure_critical_data() and the corresponding func CRITICAL_DATA for
>> measuring the input buffer. The policy rule should ensure the buffer
>> would get measured only when the policy rule allows the action. The
>> policy rule should also support the necessary constraints (flags etc.)
>> for integrity critical buffer data measurements.
>>
>> Add a policy rule to define the constraints for restricting integrity
>> critical data measurements.
>>
>> Signed-off-by: Tushar Sugandhi <tusharsu@...ux.microsoft.com>
> 
> This looks nice. Thanks for the changes!
> 
> Reviewed-by: Tyler Hicks <tyhicks@...ux.microsoft.com>
> 
> Tyler
> 
Thanks for the detailed review on this series Tyler.
We really appreciate it.

~Tushar