syzbot


WARNING in ptrace_stop
Status: upstream: reported C repro on 2020/07/23 22:03
Reported-by: syzbot+e7a125aff38791d8cb65@syzkaller.appspotmail.com
Fix commit: d136122f sched: Fix race against ptrace_freeze_trace()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 22d, last: 15d

Cause bisection: introduced by (bisect log):

commit dbfb089d360b1cc623c51a2c7cf9b99eff78e0e7
Author: Peter Zijlstra <peterz@infradead.org>
Date: Fri Jul 3 10:40:33 2020 +0000

  sched: Fix loadavg accounting race

Crash: WARNING in ptrace_stop (log)
Repro: C syz .config

Sample crash report:

Crashes (1413):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-selinux-root 2020/07/26 03:40 upstream 23ee3e4e 1f7cc1ca .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/25 16:17 upstream 68845a55 1f7cc1ca .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/24 02:35 upstream d15be546 70c104a1 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/24 00:35 upstream d15be546 70c104a1 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2020/07/23 23:56 upstream d15be546 70c104a1 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2020/07/23 11:56 upstream 8c26c87b 340ea530 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/22 13:54 upstream 4fa640dc 128cd85f .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/22 05:34 upstream 4fa640dc 21f1765e .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/21 21:51 upstream 4fa640dc 21f1765e .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/20 06:13 upstream 92188b41 9c812472 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/20 06:04 upstream 92188b41 9c812472 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-386 2020/07/25 15:37 upstream 68845a55 1f7cc1ca .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-386 2020/07/22 16:52 upstream 4fa640dc 128cd85f .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-386 2020/07/22 14:02 upstream 4fa640dc 128cd85f .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-386 2020/07/20 04:58 upstream 92188b41 9c812472 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 15:34 linux-next 26027945 cb93dc6a .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 11:21 linux-next 26027945 51265195 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/24 07:45 linux-next 4f5baedd 70c104a1 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/24 03:34 linux-next 4f5baedd 70c104a1 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/23 16:03 linux-next 4f5baedd 340ea530 .config log report syz C christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/20 03:42 upstream 92188b41 9c812472 .config log report syz christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/20 02:53 upstream 92188b41 9c812472 .config log report syz christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/20 01:57 upstream 92188b41 9c812472 .config log report syz christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-386 2020/07/22 05:12 upstream 4fa640dc 21f1765e .config log report syz christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/26 09:43 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/26 08:19 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/26 07:04 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2020/07/26 05:59 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2020/07/26 04:44 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/26 03:38 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/26 03:08 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/26 02:06 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/26 00:42 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/25 23:45 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/25 23:44 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/25 22:40 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/25 21:19 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/25 20:15 upstream 23ee3e4e 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-selinux-root 2020/07/25 19:03 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/25 18:49 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/25 17:47 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/25 17:22 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/25 14:45 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/25 14:27 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-root 2020/07/25 13:23 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce-smack-root 2020/07/25 13:19 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-kasan-gce 2020/07/25 12:13 upstream 68845a55 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-qemu-upstream 2020/07/25 00:28 upstream 68845a55 0a13649c .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-qemu-upstream 2020/07/19 21:56 upstream 92188b41 9c812472 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-qemu-upstream-386 2020/07/20 01:32 upstream 92188b41 9c812472 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 16:41 linux-next 26027945 cb93dc6a .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 14:29 linux-next 26027945 cb93dc6a .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 13:22 linux-next 26027945 cb93dc6a .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 09:44 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 08:12 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 06:58 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 05:23 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 05:17 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 04:14 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/27 02:23 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 22:32 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 20:42 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 19:36 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 18:34 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 17:29 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 16:01 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 14:46 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 14:11 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 12:57 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 11:42 linux-next 26027945 51265195 .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/26 04:57 linux-next 26027945 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com
ci-upstream-linux-next-kasan-gce-root 2020/07/25 22:24 linux-next 26027945 1f7cc1ca .config log report christian@brauner.io, ebiederm@xmission.com, linux-kernel@vger.kernel.org, liuzhiqiang26@huawei.com, oleg@redhat.com