Re: BUG: unable to handle kernel NULL pointer dereference in __list_del_entry_valid

Michal Hocko
2017-12-20T09:21:05Z

On Tue 19-12-17 17:40:19, Dmitry Vyukov wrote:
> On Tue, Dec 19, 2017 at 2:42 PM, Michal Hocko <mhocko@kernel.org> wrote:
> >> >> > Can we silence this duplicates [1] please?
> >> >> >
> >> >> > [1] http://lkml.kernel.org/r/001a1140f57806ebef05608b25a5@google.com
> >> >>
> >> >> Hi Michal,
> >> >>
> >> >> What exactly do you mean?
> >> >>
> >> >> These 2 are the same email with the same Message-ID just on different
> >> >> mailing lists. I don't see anything wrong here.
> >> >
> >> > Hmm the other one has Message-id: 001a1140f57806ebef05608b25a5@google.com
> >> > while this one has 001a11452568f5857c0560b0dc0e@google.com
> >>
> >> Ah, I see.
> >> These are reported separately because the crashes are titled
> >> differently. Kernel titled one as "general protection fault" and
> >> another as "BUG: unable to handle kernel NULL pointer dereference".
> >
> > Ahh, OK, so I've missed that part ;) I just thought it was duplicate
> > because the report seemed very familiar.
>
>
> So are these duplicates? If yes, we need to tell this syzbot:

It seems so.

--
Michal Hocko
SUSE Labs