Re: [PATCH v3 15/19] IMA: Add support for file reads without contents

Kees Cook
2020-07-28T20:12:34Z

On Tue, Jul 28, 2020 at 09:56:40PM +0200, Greg Kroah-Hartman wrote:
> On Tue, Jul 28, 2020 at 12:44:50PM -0700, Kees Cook wrote:
> > On Mon, Jul 27, 2020 at 09:23:34AM -0400, Mimi Zohar wrote:
> > > On Fri, 2020-07-24 at 14:36 -0700, Kees Cook wrote:
> > > > From: Scott Branden <scott.branden@broadcom.com>
> > > >
> > > > When the kernel_read_file LSM hook is called with contents=false, IMA
> > > > can appraise the file directly, without requiring a filled buffer. When
> > > > such a buffer is available, though, IMA can continue to use it instead
> > > > of forcing a double read here.
> > > >
> > > > Signed-off-by: Scott Branden <scott.branden@broadcom.com>
> > > > Link: https://lore.kernel.org/lkml/20200706232309.12010-10-scott.branden@broadcom.com/
> > > > Signed-off-by: Kees Cook <keescook@chromium.org>
> > >
> > > After adjusting the comment below.
> > >
> > > Reviewed-by: Mimi Zohar <zohar@linux.ibm.com>
> >
> > Sure!
> >
> > Greg, shall I send a v4 with added Reviews and the comment change or is
> > that minor enough that you're able to do it?
>
> v4 is needed, as this series is a mess of reviewes and you will have to
> redo at least one patch and drop some others, right?

Well, I wasn't sure what your desire was, given the weirdness of taking
some and reverting others. I will do a v4 based on driver-core-next.

Thanks!

--
Kees Cook