HW team said it can be DDR issue.

On Thu, Apr 12, 2018 at 6:00 PM, Stephen Smalley <s...@tycho.nsa.gov> wrote:

> On 04/12/2018 07:59 AM, kiran mardi wrote:
> > Hi Stephen,
> >
> > it is a field issue and we see only on 1 set. it is seen on android N
> set.
> > it is strange that it is seen on only 1 set. can it be hardware issue?
> DDR issue since we see ebitmap is giving different data?.
>
> Yes, the fact that you are getting different values from what should be
> the same policy on recovery is suspect.
>
> >
> > On Wed, Apr 11, 2018 at 7:08 PM, Stephen Smalley <s...@tycho.nsa.gov
> <mailto:s...@tycho.nsa.gov>> wrote:
> >
> >     On 04/11/2018 06:12 AM, kiran mardi wrote:
> >     > Hi All,
> >     >
> >     > I see in one of my device getting the selinux policy loading error
> during init first stage.
> >     > however the logs give every boot different error w.r.t selinux
> policy loading.
> >     >
> >     > 1st bootup of set:
> >     >
> >     > [    7.933699] init: SELinux:  Could not load policy:  Out of
> memory
> >     > [    7.938900] init: failed to load policy: Out of memory
> >     > [    7.943884] init: Security failure; rebooting into recovery
> mode...
> >     >
> >     >
> >     > 2nd bootup[to recovery]:
> >     >
> >     > [ 7.028166] SELinux: ebitmap start bit (*400*) is not a multiple
> of the map unit size (64)
> >     > [    7.035557] init: SELinux:  Could not load policy:  Invalid
> argument
> >     > [    7.041652] init: failed to load policy: Invalid argument
> >     > [    7.047031] init: Security failure; rebooting into recovery
> mode...
> >     >
> >     >
> >     > 3rd bootup[to recovery]:
> >     >
> >     > [ 7.622606] SELinux: ebitmap: map size *1048640 *does not match my
> size 64 (high bit was 0)
> >     >  [    7.630081] init: SELinux:  Could not load policy:  Invalid
> argument
> >     >  [    7.636214] init: failed to load policy: Invalid argument
> >     > [    7.641447] init: Security failure; rebooting into recovery
> mode...
> >     >
> >     >
> >     > is it problem with my kernel allocating memory for selinux sys/fs?
> >     > can i suspect RAM not working properly?
> >
> >     Sounds like the policy is corrupted.  Can you confirm that the
> policy file itself is valid, e.g. on the build host, run seinfo on the
> policy file?
> >
> >     Does your kernel match your policy?  There was an incompatible
> change in policy format between Android 6 Marshmallow and Android 7 Nougat;
> Google provided a backward compatibility patch in their common kernels so
> that Android 7 kernels could still load older policies.
> >
> >
> >
> >
> > --
> > regards,
> > kiran mardi
>
>


-- 
regards,
kiran mardi

Reply via email to