syzbot


INFO: task hung in io_ring_exit_work
Status: upstream: reported C repro on 2021/04/05 09:16
Reported-by: syzbot+93f72b3885406bb09e0d@syzkaller.appspotmail.com
First crash: 37d, last: 1h16m

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 7e923e6a3ceb877497dd9ee70d71fa33b94f332b
Author: Peter Zijlstra <peterz@infradead.org>
Date: Wed Dec 9 15:06:06 2020 +0000

  locking/selftests: Add local_lock inversion tests

Crash: WARNING: ODEBUG bug in netdev_run_todo (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/04/08 14:02 17m asml.silence@gmail.com https://github.com/isilence/linux.git syz_test3 report log
2021/04/08 13:39 17m asml.silence@gmail.com https://github.com/isilence/linux.git syz_test2 report log
2021/04/08 00:42 17m asml.silence@gmail.com https://github.com/isilence/linux.git syz_test2 report log
2021/04/07 19:55 17m asml.silence@gmail.com https://github.com/isilence/linux.git syz_test report log
2021/04/05 19:15 17m asml.silence@gmail.com https://github.com/isilence/linux.git iowq_cancel_unbounded report log

Sample crash report:

Crashes (36):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/04/05 09:16 upstream e49d033b 6a81331a .config log report syz C INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2021/04/23 16:41 upstream 18a3c5f7 17f0b706 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-root 2021/04/23 15:59 upstream 18a3c5f7 17f0b706 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/23 15:04 upstream 18a3c5f7 17f0b706 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-root 2021/04/23 13:36 upstream 18a3c5f7 17f0b706 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2021/04/23 08:38 upstream 90c911ad 590921a5 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-selinux-root 2021/04/22 18:10 upstream 16fc44d6 33c28d03 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/22 16:56 upstream 16fc44d6 33c28d03 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/22 07:53 upstream 16fc44d6 2bc8999a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/22 03:39 upstream 16fc44d6 2bc8999a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/19 21:48 upstream bf05bf16 50f523d7 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/19 15:50 upstream bf05bf16 50f523d7 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2021/04/19 14:26 upstream bf05bf16 50f523d7 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/18 09:39 upstream 194cf482 7e2b734b .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2021/04/18 07:15 upstream 194cf482 7e2b734b .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/17 18:05 upstream 9cdbf646 7e2b734b .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/17 11:17 upstream 9cdbf646 7e2b734b .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/13 06:22 upstream 89698bec bfeda1b1 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/07 12:45 upstream 2d743660 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2021/04/06 21:36 upstream 0a50438c 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2021/04/06 07:19 upstream 0a50438c 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-root 2021/04/06 07:15 upstream 0a50438c 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/05 20:17 upstream 0a50438c 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-root 2021/04/05 15:31 upstream e49d033b 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/05 06:42 upstream e49d033b 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-root 2021/04/04 16:44 upstream 2023a53b 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/04/03 02:37 upstream d93a0d43 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/03/27 13:24 upstream 0f4498ce a8529b82 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-smack-root 2021/03/25 02:44 upstream 4ee998b0 607e3baf .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/03/23 05:17 upstream 84196390 8092f30d .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/03/23 04:21 upstream 84196390 8092f30d .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/03/21 17:25 upstream 812da4d3 17810eae .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce 2021/03/17 14:43 upstream 1df27313 fdb2bb2c .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-kasan-gce-386 2021/04/19 16:19 upstream bf05bf16 50f523d7 .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2021/04/03 17:23 linux-next 454c576c 6a81331a .config log report info INFO: task hung in io_ring_exit_work
ci-upstream-linux-next-kasan-gce-root 2021/04/01 02:43 linux-next 93129492 6a81331a .config log report info INFO: task hung in io_ring_exit_work