syzbot


[upstream] KASAN: null-ptr-deref Read in reclaim_high
Status: upstream: reported C repro on 2019/01/10 17:03
Reported-by: syzbot+fa11f9da42b46cea3b4a@syzkaller.appspotmail.com
First crash: 68d, last: 47d

Bisection: introduced by (bisect log):

commit 29a4b8e275d1f10c51c7891362877ef6cffae9e7
Author: Shakeel Butt <shakeelb@google.com>
Date: Wed Jan 9 22:02:21 2019 +0000

  memcg: schedule high reclaim for remote memcgs on high_work

Tree:
Crash: KASAN: null-ptr-deref Read in reclaim_high (log)
Repro: C syz .config

Sample crash report:

All crashes (1423):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2019/01/10 07:44 linux-next 6cab33af 45c0c1b1 .config log report syz C cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/10 05:32 linux-next 6cab33af 45c0c1b1 .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/31 05:49 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/31 05:08 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/31 04:08 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/31 01:09 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/31 00:53 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 23:15 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 22:11 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 21:01 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 20:53 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 19:46 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 18:03 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 16:48 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 15:13 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 13:51 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 12:41 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 12:39 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 11:33 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 10:30 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 10:24 linux-next 02495e76 aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 07:01 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 04:53 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 03:34 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 02:17 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/30 00:12 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 23:42 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 22:41 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 21:07 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 19:16 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 17:57 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 16:12 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 13:11 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 11:40 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 10:17 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 09:53 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 08:46 linux-next 39ad1c1b aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 06:15 linux-next 494367cb aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 04:11 linux-next 494367cb aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/29 01:56 linux-next 494367cb aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/28 23:33 linux-next 494367cb aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/28 23:28 linux-next 494367cb aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com
ci-upstream-linux-next-kasan-gce-root 2019/01/28 21:54 linux-next 494367cb aa432daf .config log report cgroups@vger.kernel.org, hannes@cmpxchg.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@kernel.org, vdavydov.dev@gmail.com