Re: [REVIEW][PATCH v2] mm: Add a user_ns owner to mm_struct and fix ptrace permission checks

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On Fri, Oct 28, 2016 at 12:39:18AM +0300, Cyrill Gorcunov wrote:
> On Thu, Oct 27, 2016 at 10:54:34AM -0500, Eric W. Biederman wrote:
> > 
> > 
> > I can't imagine either of these changes making a practical difference
> > to anyone but I am calling them out in case someone can.
> > 
> >  include/linux/mm_types.h |  1 +
> >  kernel/fork.c            |  9 ++++++---
> >  kernel/ptrace.c          | 26 +++++++++++---------------
> >  mm/init-mm.c             |  2 ++
> >  4 files changed, 20 insertions(+), 18 deletions(-)
> 
> Thanks a huge, Eric! And really sorry for delay in response,
> I managed to miss this quite important mail for me in mail
> storm. Gonna test it and will write you the results. Overall looks
> great, but better be sure and run the tests.
> 
> Reviewed-by: Cyrill Gorcunov <gorcunov@xxxxxxxxxx>

Eric, on which kernel the patch is on top of?
It doesn't apply on linux-next for some reason.

 | Date:   Thu Oct 27 14:21:59 2016 +1100
 | 
 |     Add linux-next specific files for 20161027
 |     
 |     Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>

I applied it on Linus' master and tests passed fine
(but they were passing fine even without the patch,
 only linux-next failed).
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