syzbot


INFO: task hung in switchdev_deferred_process_work (2)
Status: upstream: reported C repro on 2020/07/27 17:04
Reported-by: syzbot+8ecc009e206a956ab317@syzkaller.appspotmail.com
First crash: 371d, last: 2d09h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: SYZFAIL: ioctl(HCIDEVUP) failed (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in switchdev_deferred_process_work 35 558d 1094d 0/22 closed as invalid on 2019/10/23 07:26
linux-4.19 INFO: task hung in switchdev_deferred_process_work 26 4d22h 409d 0/1 upstream: reported on 2020/03/08 04:06

Sample crash report:

Crashes (120):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/02/28 01:08 upstream 5695e516 4c37c133 .config log report syz C INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/04/06 04:07 upstream 0a50438c 6a81331a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/04/05 07:58 upstream e49d033b 6a81331a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/02/20 04:48 upstream f40ddce8 f689d40a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/02/19 19:12 upstream f40ddce8 f689d40a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/02/14 10:54 upstream 358fecee 98682e5e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/02/02 04:14 upstream 88bb507a e6b95f32 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/01/29 12:00 upstream bec4c296 6593fd32 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/02/10 23:05 net 291009f6 a52ee10a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-kasan-gce 2021/01/29 01:42 bpf 150a2732 7df34f59 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/01/18 05:42 net 66c55602 fd103621 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/04/19 15:03 net-next e7ad33fa 50f523d7 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/04/08 00:01 net-next 0b35e0de 6a81331a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/03/26 09:00 net-next 6c996e19 6a383ecf .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/02/11 12:29 net-next e4b62cf7 a52ee10a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/02/28 12:49 linux-next d01f2f7e 4c37c133 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/01/17 02:50 upstream 0da0a8a0 65a7a854 .config log report info
ci-upstream-kasan-gce-smack-root 2021/01/16 03:39 upstream f4e087c6 65a7a854 .config log report info
ci-upstream-kasan-gce 2021/01/08 13:58 upstream f5e6c330 c104d4a3 .config log report info
ci-upstream-kasan-gce 2021/01/08 05:49 upstream f5e6c330 c104d4a3 .config log report info
ci-upstream-kasan-gce 2021/01/01 02:37 upstream f6e1ea19 79264ae3 .config log report info
ci-upstream-kasan-gce 2020/12/29 22:44 upstream dea8dcf2 80910769 .config log report info
ci-upstream-kasan-gce-root 2020/12/08 16:39 upstream cd796ed3 a7f7f4a4 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/12/04 01:23 upstream 34816d20 e6b0d314 .config log report info
ci-upstream-kasan-gce 2020/11/25 01:20 upstream 80145ac2 e34b696c .config log report info
ci-upstream-kasan-gce-root 2020/11/16 08:42 upstream 0062442e 1bf9a662 .config log report info
ci-upstream-kasan-gce 2020/10/22 06:20 upstream f804b315 be6b1582 .config log report info
ci-upstream-kasan-gce 2020/10/08 15:28 upstream c85fb28b 92390980 .config log report info
ci-upstream-kasan-gce 2020/09/23 23:34 upstream 805c6d3c 287cd75a .config log report info
ci-upstream-kasan-gce 2020/09/23 19:14 upstream 805c6d3c 287cd75a .config log report info
ci-upstream-kasan-gce-root 2020/09/18 01:40 upstream 4cbffc46 8247808b .config log report info
ci-upstream-kasan-gce 2020/09/12 17:08 upstream 729e3d09 ce441f06 .config log report
ci-upstream-kasan-gce-selinux-root 2020/07/23 16:59 upstream d15be546 340ea530 .config log report
ci-upstream-kasan-gce-root 2020/04/15 18:36 upstream 8632e9b5 3f3c5574 .config log report
ci-upstream-kasan-gce-386 2020/10/01 10:56 upstream 60e72093 a9767fb2 .config log report info
ci-upstream-kasan-gce-386 2020/09/21 20:00 upstream ba4f184e 9e1fa68e .config log report info
ci-upstream-kasan-gce-386 2020/09/21 14:59 upstream ba4f184e 9e1fa68e .config log report info
ci-upstream-net-this-kasan-gce 2020/12/30 12:02 net 4bfc4714 0fa352f2 .config log report info
ci-upstream-net-this-kasan-gce 2020/12/14 17:50 net 7f376f19 97183ed7 .config log report info
ci-upstream-net-this-kasan-gce 2020/10/03 06:04 net ab0faf5f 2653fa43 .config log report info
ci-upstream-net-this-kasan-gce 2020/10/02 23:48 net ef9da46d 4969d6ca .config log report info
ci-upstream-net-this-kasan-gce 2020/10/02 22:18 net ef9da46d 4969d6ca .config log report info
ci-upstream-net-this-kasan-gce 2020/10/02 05:32 net bb13a800 9602ddf4 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/30 15:26 net 2b3e981a 8516f6d3 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/30 09:09 net c92a7982 5abc3f1a .config log report info
ci-upstream-net-this-kasan-gce 2020/09/29 00:00 net 709a16be 6bfdbe89 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/28 22:34 net 709a16be 6bfdbe89 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/28 12:13 net 709a16be 6bfdbe89 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/25 15:15 net ad2b9b0f 4a006f63 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/09 00:15 net 19162fd4 abf9ba4f .config log report
ci-upstream-net-this-kasan-gce 2020/09/08 16:50 net 19162fd4 abf9ba4f .config log report
ci-upstream-net-kasan-gce 2021/01/14 08:11 net-next 679500e3 269d24e8 .config log report info
ci-upstream-net-kasan-gce 2021/01/12 17:03 net-next c73a4596 2c1f2513 .config log report info
ci-upstream-net-kasan-gce 2020/11/07 23:22 net-next ae0d0bb2 64069d48 .config log report info
ci-upstream-net-kasan-gce 2020/10/07 17:24 net-next 9faebeb2 1880b4a9 .config log report info
ci-upstream-net-kasan-gce 2020/09/29 02:49 net-next bcbf1be0 1b88c6d5 .config log report info
ci-upstream-net-kasan-gce 2020/09/22 18:52 net-next 92ec804f 3e8f6c27 .config log report info
ci-upstream-net-kasan-gce 2020/09/22 01:07 net-next b696db59 9e1fa68e .config log report info
ci-upstream-net-kasan-gce 2020/09/21 12:29 net-next 3cec0369 9e1fa68e .config log report info
ci-upstream-net-kasan-gce 2020/09/08 14:50 net-next 4349abdb abf9ba4f .config log report
ci-upstream-bpf-next-kasan-gce 2020/06/30 19:43 bpf-next cb8e59cc 917afeaa .config log report
ci-upstream-linux-next-kasan-gce-root 2020/12/27 11:37 linux-next d7a03a44 821e0b09 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/10/06 12:44 linux-next 2172e358 1880b4a9 .config log report info