Re: [PATCH 01/39] memcg_write_event_control(): fix a user-triggerable oops

Michal Hocko
2024-07-30T07:38:02Z

I think it can go through Andrew as well. The patch is
https://lore.kernel.org/all/20240730051625.14349-1-viro@kernel.org/T/#u

On Tue 30-07-24 08:18:51, Al Viro wrote:
> On Tue, Jul 30, 2024 at 09:13:38AM +0200, Michal Hocko wrote:
> > On Tue 30-07-24 01:15:47, viro@kernel.org wrote:
> > > From: Al Viro <viro@zeniv.linux.org.uk>
> > >
> > > we are *not* guaranteed that anything past the terminating NUL
> > > is mapped (let alone initialized with anything sane).
> > >
> > > [the sucker got moved in mainline]
> > >
> >
> > You could have preserved
> > Fixes: 0dea116876ee ("cgroup: implement eventfd-based generic API for notifications")
> > Cc: stable
> >
> > > Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> >
> > and
> > Acked-by: Michal Hocko <mhocko@suse.com>
>
> Will do; FWIW, I think it would be better off going via the
> cgroup tree - it's completely orthogonal to the rest of the
> series, the only relation being "got caught during the same
> audit"...

--
Michal Hocko
SUSE Labs