On Wed, Jul 22, 2020 at 03:29:26PM -0700, Scott Branden wrote:
> These changes don't pass the kernel-selftest for partial reads I added
> (which are at the end of this patch v2 series).
Oh, interesting. Is there any feedback in dmesg? I wonder if I have the
LSMs configured differently than you?
>
On 2020-07-23 12:17 p.m., Kees Cook wrote:
On Wed, Jul 22, 2020 at 11:23:43PM -0700, Scott Branden wrote:
I made an adjustment in the logic of the driver with use of
request_partial_firmware_into_buf and now everything is working.
Excellent! Was there something wrong with how I ported the
req
On 2020-07-22 3:29 p.m., Scott Branden wrote:
Hi Kees,
These changes don't pass the kernel-selftest for partial reads I added
(which are at the end of this patch v2 series).
See change below added for temp workaround for issue.
Even with such change real request_partial_firmware_into_buf doesn
On Thu, Jul 23, 2020 at 10:41:07PM -0700, Scott Branden wrote:
>
>
> On 2020-07-23 12:15 p.m., Kees Cook wrote:
> > On Wed, Jul 22, 2020 at 03:29:26PM -0700, Scott Branden wrote:
> > > These changes don't pass the kernel-selftest for partial reads I added
> > > (which are at the end of this patch
On Fri, Jul 24, 2020 at 11:23:37AM -0700, Kees Cook wrote:
> On Thu, Jul 23, 2020 at 10:41:07PM -0700, Scott Branden wrote:
> >
> >
> > On 2020-07-23 12:15 p.m., Kees Cook wrote:
> > > On Wed, Jul 22, 2020 at 03:29:26PM -0700, Scott Branden wrote:
> > > > These changes don't pass the kernel-selft
Hi Kees,
These changes don't pass the kernel-selftest for partial reads I added
(which are at the end of this patch v2 series).
See change below added for temp workaround for issue.
Even with such change real request_partial_firmware_into_buf doesn't
work fully with my bcm-vk driver. I'm trying
On Wed, Jul 22, 2020 at 11:23:43PM -0700, Scott Branden wrote:
> I made an adjustment in the logic of the driver with use of
> request_partial_firmware_into_buf and now everything is working.
Excellent! Was there something wrong with how I ported the
request_partial_firmware_into_buf() changes? (S
On Fri, Jul 24, 2020 at 12:03:36PM -0700, Scott Branden wrote:
> Now I'm confused. The original patch series I made with IMA additions under
> Mimi's direction
> passed the kernel selftests with partial read. And
> request_partial_firmware_into_buf therefore worked.
> Your changes don't work with
Hi Kees,
On 2020-07-24 11:39 a.m., Kees Cook wrote:
On Fri, Jul 24, 2020 at 11:23:37AM -0700, Kees Cook wrote:
On Thu, Jul 23, 2020 at 10:41:07PM -0700, Scott Branden wrote:
On 2020-07-23 12:15 p.m., Kees Cook wrote:
On Wed, Jul 22, 2020 at 03:29:26PM -0700, Scott Branden wrote:
These chang
To perform partial reads, callers of kernel_read_file*() must have a
non-NULL file_size argument and a preallocated buffer. The new "offset"
argument can then be used to seek to specific locations in the file to
fill the buffer to, at most, "buf_size" per call.
Where possible, the LSM hooks can re
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