From: Matthew Wilcox <willy@infradead.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Peter Xu <peterx@redhat.com>,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-mm@kvack.org, syzkaller-bugs@googlegroups.com
Subject: Re: [PATCH 0/2] mm: Two small fixes for recent syzbot reports
Date: Thu, 9 Apr 2020 04:49:40 -0700 [thread overview]
Message-ID: <20200409114940.GT21484@bombadil.infradead.org> (raw)
In-Reply-To: <20200408174732.bc448bbe41d190bfe5cc252e@linux-foundation.org>
On Wed, Apr 08, 2020 at 05:47:32PM -0700, Andrew Morton wrote:
> On Tue, 7 Apr 2020 21:40:08 -0400 Peter Xu <peterx@redhat.com> wrote:
>
> > The two patches should fix below syzbot reports:
> >
> > BUG: unable to handle kernel paging request in kernel_get_mempolicy
> > https://lore.kernel.org/lkml/0000000000002b25f105a2a3434d@google.com/
> >
> > WARNING: bad unlock balance in __get_user_pages_remote
> > https://lore.kernel.org/lkml/00000000000005c65d05a2b90e70@google.com/
>
> (Is there an email address for the syzbot operators?)
I'd suggest syzkaller-bugs@googlegroups.com (added to the Cc).
But there's a deeper problem in that we don't have anywhere to stash
that kind of information in the kernel tree right now. Perhaps a special
entry in the MAINTAINERS file for bot operators? Or one entry per bot?
> sysbot does test linux-next, yet these patches sat in linux-next for a
> month without a peep, but all hell broke loose when they hit Linus's
> tree. How could this have happened?
>
> Possibly I've been carrying a later patch which fixed all this up, but
> I'm not seeing anything like that. Nothing at all against mm/gup.c.
>
>
next prev parent reply other threads:[~2020-04-09 11:49 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-08 1:40 [PATCH 0/2] mm: Two small fixes for recent syzbot reports Peter Xu
2020-04-08 1:40 ` [PATCH 1/2] mm/mempolicy: Allow lookup_node() to handle fatal signal Peter Xu
2020-04-08 10:21 ` Michal Hocko
2020-04-08 14:20 ` Peter Xu
2020-04-08 14:30 ` Michal Hocko
2020-04-08 15:24 ` Peter Xu
2020-04-08 15:26 ` Michal Hocko
2020-04-09 7:02 ` Michal Hocko
2020-04-09 12:52 ` Peter Xu
2020-04-09 13:00 ` Peter Xu
2020-04-09 13:53 ` Michal Hocko
2020-04-09 16:42 ` Linus Torvalds
2020-04-09 16:42 ` Linus Torvalds
2020-04-14 11:04 ` Michal Hocko
2020-04-14 13:49 ` Peter Xu
2020-04-14 14:18 ` Michal Hocko
2020-04-20 12:47 ` Michal Hocko
2020-04-20 17:31 ` Linus Torvalds
2020-04-20 17:31 ` Linus Torvalds
2020-04-21 7:09 ` Michal Hocko
2020-04-08 1:40 ` [PATCH 2/2] mm/gup: Mark lock taken only after a successful retake Peter Xu
2020-04-09 0:47 ` [PATCH 0/2] mm: Two small fixes for recent syzbot reports Andrew Morton
2020-04-09 11:49 ` Matthew Wilcox [this message]
2020-04-09 13:00 ` Dmitry Vyukov
2020-04-09 13:00 ` Dmitry Vyukov
2020-04-09 18:16 ` Andrew Morton
2020-04-09 18:53 ` Linus Torvalds
2020-04-09 18:53 ` Linus Torvalds
2020-04-09 19:12 ` Andrew Morton
2020-04-09 19:46 ` Linus Torvalds
2020-04-09 19:46 ` Linus Torvalds
2020-04-09 19:56 ` Matthew Wilcox
2020-04-09 19:58 ` Linus Torvalds
2020-04-09 19:58 ` Linus Torvalds
2020-04-09 20:27 ` Eric Biggers
2020-04-09 20:34 ` Linus Torvalds
2020-04-09 20:34 ` Linus Torvalds
2020-04-09 23:34 ` Stephen Rothwell
2020-04-10 1:11 ` Theodore Y. Ts'o
2020-04-09 12:55 ` Dmitry Vyukov
2020-04-09 12:55 ` Dmitry Vyukov
2020-04-09 16:32 ` Linus Torvalds
2020-04-09 16:32 ` Linus Torvalds
2020-04-09 16:58 ` Qian Cai
2020-04-09 17:05 ` Linus Torvalds
2020-04-09 17:05 ` Linus Torvalds
2020-04-09 17:58 ` Qian Cai
2020-04-09 18:06 ` Linus Torvalds
2020-04-09 18:06 ` Linus Torvalds
2020-04-09 21:14 ` Qian Cai
2020-04-10 13:12 ` Tetsuo Handa
2020-04-10 14:26 ` Qian Cai
2020-04-10 17:26 ` Andrew Morton
2020-04-10 19:46 ` Qian Cai
2020-04-09 23:29 ` Stephen Rothwell
2020-04-13 22:06 ` Qian Cai
2020-04-13 23:05 ` Jens Axboe
2020-04-14 11:12 ` Dmitry Vyukov
2020-04-14 11:12 ` Dmitry Vyukov
2020-04-14 11:59 ` Qian Cai
2020-04-14 12:05 ` Dmitry Vyukov
2020-04-14 12:05 ` Dmitry Vyukov
2020-04-14 19:28 ` Dan Rue
2020-04-15 11:09 ` Dmitry Vyukov
2020-04-15 11:09 ` Dmitry Vyukov
2020-04-15 16:23 ` Dan Rue
2020-04-16 0:34 ` Stephen Rothwell
2020-05-11 15:29 ` Dmitry Vyukov
2020-05-11 15:29 ` Dmitry Vyukov
2020-04-14 4:07 ` Hillf Danton
2020-04-14 4:31 ` Jens Axboe
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