linux-kernel - Re: [linux-next] do_task_stat: BUG: unable to handle kernel paging request at ffffc9000041bfd8

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Message-ID: <CALCETrV4cD7tE5F+hRE=BuHxYoM3oAchs9o0JxETqgU8LBjcaA@mail.gmail.com>
Date:   Tue, 27 Sep 2016 11:10:24 -0700
From:   Andy Lutomirski <luto@...capital.net>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [linux-next] do_task_stat: BUG: unable to handle kernel paging
 request at ffffc9000041bfd8

On Mon, Sep 26, 2016 at 5:45 PM, Tetsuo Handa
<penguin-kernel@...ove.sakura.ne.jp> wrote:
> Hello.
>
> I'm hitting below bug when a process $pid terminates while somebody else is reading
> /proc/$pid/stat . According to https://lkml.org/lkml/2016/8/21/10 , it was already
> fixed. But it seems to me that this bug is still in linux-next-20160923.
> Is this a different bug?

It is, I think.  There's still a bit of ongoing discussion about the
right fix.  I'll try to send something out today.