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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Dmitry Vyukov <dvyukov@google.com>,
	Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Peter Xu <peterx@redhat.com>,
	 LKML <linux-kernel@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>
Subject: Re: [PATCH 0/2] mm: Two small fixes for recent syzbot reports
Date: Thu, 9 Apr 2020 09:32:32 -0700	[thread overview]
Message-ID: <CAHk-=wgjGgfUfVm_DpTay5TS03pLCgUWqRpQS++90fSE2V-e=g@mail.gmail.com> (raw)
In-Reply-To: <CACT4Y+bhQVcpSkSh_OZ5ZanfFZUqn2iypLhG_Z-nWKTkaYr1jw@mail.gmail.com>

On Thu, Apr 9, 2020 at 5:55 AM Dmitry Vyukov <dvyukov@google.com> wrote:
>
> linux-next is boot-broken for more than a month and bugs are piling
> onto bugs, I've seen at least 3 different ones.
> syzbot can't get any working linux-next build for testing for a very
> long time now.

Ouch.

Ok, that's not good. It means that linux-next has basically only done
build-testing this whole cycle.

Stephen, Dmitry - is there some way linux-next could possibly kick out
trees more aggressively if syzbot can't even boot?

This merge window has seemed otherwise fairly smooth to me (famous
last words), and it's really sad how the nice page fault cleanups
ended up being such an ongoing pain when the problems _could_ have
been caught earlier. We started to get syzbot reports very quickly
after they got merged into my tree, so this is clearly something that
gets exercised well - but it would have been oh-so-much better if it
had gotten noticed in linux-next.

Kicking trees out of linux-next and making noise if they cause syzbot
failures might also make some maintainers react more..

                Linus


  reply	other threads:[~2020-04-09 16:32 UTC|newest]

Thread overview: 56+ 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
2020-04-14 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
2020-04-21  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
2020-04-09 13:00     ` Dmitry Vyukov
2020-04-09 18:16       ` Andrew Morton
2020-04-09 18:53         ` Linus Torvalds
2020-04-09 19:12           ` Andrew Morton
2020-04-09 19:46             ` Linus Torvalds
2020-04-09 19:56               ` Matthew Wilcox
2020-04-09 19:58                 ` Linus Torvalds
2020-04-09 20:27                   ` Eric Biggers
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 16:32     ` Linus Torvalds [this message]
2020-04-09 16:58       ` Qian Cai
2020-04-09 17:05         ` Linus Torvalds
2020-04-09 17:58           ` Qian Cai
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 11:59             ` Qian Cai
2020-04-14 12:05               ` Dmitry Vyukov
2020-04-14 19:28             ` Dan Rue
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
2020-04-14  4:07         ` Hillf Danton
2020-04-14  4:31           ` Jens Axboe

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