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: 464d, last: 5h53m

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 651d 1188d 0/22 closed as invalid on 2019/10/23 07:26
linux-4.19 INFO: task hung in switchdev_deferred_process_work 30 17d 503d 0/1 upstream: reported on 2020/03/08 04:06

Sample crash report:

Crashes (168):
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 5695e5161974 4c37c133 .config log report syz C INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/07/19 15:05 upstream 2734d6c1b1a0 e6a17580 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/07/16 08:25 upstream dd9c7df94c1b f115ae98 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/07/11 03:46 upstream 3dbdb38e2869 8f5a7b8c .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/07/06 12:51 upstream 3dbdb38e2869 6c4484eb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/06/25 08:47 upstream 4a09d388f2ab 0edbbe31 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/06/24 18:30 upstream 7426cedc7dad ec865f6a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/06/22 23:17 upstream 0c18f29aae7c aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/06/13 10:58 upstream 8ecfa36cd4db 1ba81399 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/06/09 05:54 upstream 4c8684fe555e 5c2fe346 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/04/22 04:13 upstream 16fc44d6387e 2bc8999a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/04/06 04:07 upstream 0a50438c8436 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 e49d033bddf5 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 f40ddce88593 f689d40a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/02/19 19:12 upstream f40ddce88593 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 358feceebbf6 98682e5e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/07/20 05:30 net 6f20c8adb181 bc48c9ab .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/07/03 15:31 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/07/03 12:14 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/07/03 06:48 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/30 03:20 net a118ff661889 a4fccb01 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/22 17:38 net 0cd58e5c53ba aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/21 03:14 net dda2626b86c2 aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/20 21:49 net dda2626b86c2 aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/20 20:14 net dda2626b86c2 aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/20 15:59 net dda2626b86c2 aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/06/19 15:12 net 35036d69b9bd aba2b2fb .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/05/30 08:36 net 6850ec973791 325a8dab .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/05/28 02:40 net d7c5303fbc8a 858ea628 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-kasan-gce 2021/05/27 00:57 bpf f5d287126f63 858ea628 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/05/18 19:28 net 1dde47a66d4f a343ba6b .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/05/12 02:24 net 297c4de6f780 b3c3bb8e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/02/10 23:05 net 291009f656e8 a52ee10a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/24 05:36 net-next 090597b4a9c1 bc5f1d88 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/23 11:26 net-next 4431531c482a bc5f1d88 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/14 06:51 net-next 5e437416ff66 484502bd .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/13 23:23 net-next 5e437416ff66 fa0594c3 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/13 00:00 net-next 5e437416ff66 f415556d .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/10 03:43 net-next 5e437416ff66 8f5a7b8c .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/09 16:34 net-next 5e437416ff66 281e815f .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/07 13:19 net-next 5e437416ff66 4846d5c1 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/07/01 23:46 net-next 5e437416ff66 658ebc66 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/06/29 06:19 net-next 8eb517a2a4ae 9d2ab5df .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/06/26 13:37 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/06/16 03:16 net-next 925a56b2c085 990d3cbe .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/05/31 19:13 net-next a729b8e6ec3d 032639db .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/05/27 05:33 net-next c7a551b2e44a 858ea628 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/05/23 05:51 net-next f5120f599880 3c7fef33 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/05/14 23:00 net-next 30515832e987 8bdd5343 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/04/19 15:03 net-next e7ad33fa7bc5 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 0b35e0deb5be 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 6c996e19949b 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 e4b62cf7559f a52ee10a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/06/24 14:52 linux-next a1f92694393a ec865f6a .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/06/11 06:55 linux-next a1f92694393a 1ba81399 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/06/06 23:48 linux-next a1f92694393a 500c2339 .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 d01f2f7e3557 4c37c133 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/01/17 02:50 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/07/23 16:59 upstream d15be546031c 340ea530 .config log report
ci-upstream-kasan-gce-root 2020/04/15 18:36 upstream 8632e9b5645b 3f3c5574 .config log report
ci-upstream-kasan-gce-386 2020/10/01 10:56 upstream 60e720931556 a9767fb2 .config log report info
ci-upstream-bpf-next-kasan-gce 2020/06/30 19:43 bpf-next cb8e59cc8720 917afeaa .config log report