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: 549d, last: 19h56m

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 736d 1273d 0/22 closed as invalid on 2019/10/23 07:26
linux-4.19 INFO: task hung in switchdev_deferred_process_work 34 29d 588d 0/1 upstream: reported on 2020/03/08 04:06

Sample crash report:

Crashes (504):
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 2021/09/20 20:29 upstream e4e737bb5c17 af796c18 .config log report syz INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/15 18:18 upstream 3ca706c189db 07e953c1 .config log report syz INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/10/01 01:09 upstream 02d5e016800d 1d849ab4 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/30 19:47 upstream 02d5e016800d 1d849ab4 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/29 21:35 upstream 02d5e016800d be530f6c .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/29 16:10 upstream 02d5e016800d be530f6c .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/29 14:24 upstream a4e6f95a891a be530f6c .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/09/29 05:27 upstream a4e6f95a891a d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/28 16:43 upstream d33bec7b3dfa d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/28 15:42 upstream d33bec7b3dfa d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/09/28 02:26 upstream 0513e464f900 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/27 23:25 upstream 0513e464f900 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/09/27 22:22 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/09/27 19:59 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/27 10:29 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/27 09:22 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/26 20:56 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/09/26 18:15 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/26 16:41 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/26 15:01 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/26 13:45 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/09/26 12:02 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/09/26 07:50 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/26 05:56 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/26 03:39 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-selinux-root 2021/09/26 02:19 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-root 2021/09/25 22:52 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/09/25 19:38 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce 2021/09/25 16:00 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/25 14:22 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-smack-root 2021/09/25 10:54 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-386 2021/09/29 06:37 upstream a4e6f95a891a d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-386 2021/09/28 14:12 upstream 0513e464f900 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-kasan-gce-386 2021/09/27 14:45 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-this-kasan-gce 2021/10/02 23:07 net 7cd8b1542a7b db0f5787 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-kasan-gce 2021/09/28 13:09 bpf 79e2c3066675 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-kasan-gce 2021/09/28 10:26 bpf 2248c2fca9c2 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-kasan-gce 2021/09/26 21:06 bpf a3debf177f21 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/10/14 13:44 net-next 9974cb5c8790 5462d470 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-next-kasan-gce 2021/10/01 02:15 bpf-next e68ac0082787 1d849ab4 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/30 22:38 net-next 69508d43334e 1d849ab4 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/30 02:56 net-next ef91abfb20c7 be530f6c .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/29 11:52 net-next b69c99463d41 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/29 09:09 net-next b69c99463d41 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-bpf-next-kasan-gce 2021/09/29 07:24 bpf-next 72e1781a5de9 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/28 23:02 net-next b69c99463d41 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/28 19:12 net-next b69c99463d41 d82cb927 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/28 01:14 net-next b69c99463d41 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/27 06:28 net-next d59bdda85eb7 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/26 22:41 net-next d59bdda85eb7 78494d16 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/26 00:49 net-next 24aa160d5375 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/25 21:32 net-next 24aa160d5375 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-net-kasan-gce 2021/09/25 11:55 net-next acde891c243c 8cac236e .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/10/16 14:05 linux-next 7c832d2f9b95 0c5d9412 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/10/06 06:03 linux-next 29616f67fcbd 0a63fd36 .config log report info INFO: task hung in switchdev_deferred_process_work
ci-upstream-linux-next-kasan-gce-root 2021/09/21 11:40 linux-next 83fa5857d812 af796c18 .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