Re: [PATCH v6 7/7] ima: add policy support for the new file open MAY_OPENEXEC flag

Randy Dunlap
2020-07-16T14:59:59Z

On 7/16/20 7:40 AM, Mickaël Salaün wrote:
>
> On 15/07/2020 22:40, Kees Cook wrote:
>> On Tue, Jul 14, 2020 at 08:16:38PM +0200, Mickaël Salaün wrote:
>>> From: Mimi Zohar <zohar@linux.ibm.com>
>>>
>>> The kernel has no way of differentiating between a file containing data
>>> or code being opened by an interpreter. The proposed O_MAYEXEC
>>> openat2(2) flag bridges this gap by defining and enabling the
>>> MAY_OPENEXEC flag.
>>>
>>> This patch adds IMA policy support for the new MAY_OPENEXEC flag.
>>>
>>> Example:
>>> measure func=FILE_CHECK mask=^MAY_OPENEXEC
>>> appraise func=FILE_CHECK appraise_type=imasig mask=^MAY_OPENEXEC
>>>
>>> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
>>> Reviewed-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
>>> Acked-by: Mickaël Salaün <mic@digikod.net>
>>
>> (Process nit: if you're sending this on behalf of another author, then
>> this should be Signed-off-by rather than Acked-by.)
>
> I'm not a co-author of this patch.
>

from Documentation/process/submitting-patches.rst:

The Signed-off-by: tag indicates that the signer was involved in the
development of the patch, or that he/she was in the patch's delivery path.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

--
~Randy