From: Michal Hocko <mhocko@kernel.org>
To: Dmitry Vyukov <dvyukov@google.com>
Cc: syzbot
<bot+83f46cd25e266359cd056c91f6ecd20b04eddf42@syzkaller.appspotmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Johannes Weiner <hannes@cmpxchg.org>,
Hillf Danton <hillf.zj@alibaba-inc.com>,
LKML <linux-kernel@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
Mel Gorman <mgorman@techsingularity.net>,
Minchan Kim <minchan@kernel.org>,
shakeelb@google.com, syzkaller-bugs@googlegroups.com,
ying.huang@intel.com, syzkaller <syzkaller@googlegroups.com>
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in __list_del_entry_valid
Date: Tue, 19 Dec 2017 14:42:35 +0100 [thread overview]
Message-ID: <20171219134235.GW2787@dhcp22.suse.cz> (raw)
In-Reply-To: <CACT4Y+aqFuVToOQH8RnfahhonaQ=qvq5JTvL-9aAKBQAa7UOug@mail.gmail.com>
On Tue 19-12-17 14:38:35, Dmitry Vyukov wrote:
> On Tue, Dec 19, 2017 at 2:22 PM, Michal Hocko <mhocko@kernel.org> wrote:
> > On Tue 19-12-17 14:12:38, Dmitry Vyukov wrote:
> >> On Tue, Dec 19, 2017 at 2:03 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.
> What algorithm do you propose to use to merge them?
Maybe based on the stack trace?
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2017-12-19 13:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-19 12:47 syzbot
2017-12-19 13:03 ` Michal Hocko
2017-12-19 13:12 ` Dmitry Vyukov
2017-12-19 13:22 ` Michal Hocko
2017-12-19 13:38 ` Dmitry Vyukov
2017-12-19 13:42 ` Michal Hocko [this message]
2017-12-19 13:54 ` Dmitry Vyukov
2017-12-19 16:40 ` Dmitry Vyukov
2017-12-20 9:20 ` Michal Hocko
2017-12-20 9:24 ` Dmitry Vyukov
2017-12-20 10:00 ` Michal Hocko
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