Messages in this thread | | | Date | Thu, 16 Jul 2020 12:13:29 -0700 | From | Kees Cook <> | Subject | Re: [PATCH v6 7/7] ima: add policy support for the new file open MAY_OPENEXEC flag |
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On Thu, Jul 16, 2020 at 07:59:20AM -0700, Randy Dunlap wrote: > 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 beat me to it. :)
-- Kees Cook
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