Re: kernel BUG at mm/gup.c:LINE!

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To: Michal Hocko <mhocko@xxxxxxxxxx>
Subject: Re: kernel BUG at mm/gup.c:LINE!
From: Oscar Salvador <osalvador@xxxxxxxxxxxxxxxxxx>
Date: Fri, 6 Jul 2018 09:40:53 +0200
Cc: Zi Yan <zi.yan@xxxxxxxxxxxxxx>, Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>, syzbot <syzbot+5dcb560fe12aa5091c06@xxxxxxxxxxxxxxxxxxxxxxxxx>, akpm@xxxxxxxxxxxxxxxxxxxx, aneesh.kumar@xxxxxxxxxxxxxxxxxx, dan.j.williams@xxxxxxxxx, kirill.shutemov@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, mst@xxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx, viro@xxxxxxxxxxxxxxxxxx, ying.huang@xxxxxxxxx
In-reply-to: <20180706053545.GD32658@dhcp22.suse.cz>
References: <000000000000fe4b15057024bacd@google.com> <da0f4abb-9401-cfac-6332-9086aadf67eb@I-love.SAKURA.ne.jp> <20180704111731.GJ22503@dhcp22.suse.cz> <FB141DA1-F8B8-4E9A-84E5-176B07463AEB@cs.rutgers.edu> <20180704121107.GL22503@dhcp22.suse.cz> <20180704151529.GA23317@techadventures.net> <20180705064335.GA32658@dhcp22.suse.cz> <20180705071839.GB30187@techadventures.net> <20180705123017.GA31959@techadventures.net> <20180706053545.GD32658@dhcp22.suse.cz>
User-agent: Mutt/1.5.23 (2014-03-12)

> Reported-by: syzbot <syzbot+5dcb560fe12aa5091c06@xxxxxxxxxxxxxxxxxxxxxxxxx>
> [osalvador: fix up vm_brk_flags s@request@len@]
> Tested-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Cc: stable
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>

hi Michal,

I gave it another spin and it works for me.

FWIW:
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
-- 
Oscar Salvador
SUSE L3

References:
- kernel BUG at mm/gup.c:LINE!
  - From: syzbot
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Tetsuo Handa
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Michal Hocko
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Zi Yan
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Michal Hocko
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Oscar Salvador
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Michal Hocko
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Oscar Salvador
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Oscar Salvador
- Re: kernel BUG at mm/gup.c:LINE!
  - From: Michal Hocko

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