syzbot


INFO: task hung in register_netdevice_notifier (2)
Status: upstream: reported syz repro on 2019/10/23 07:25
Reported-by: syzbot+355f8edb2ff45d5f95fa@syzkaller.appspotmail.com
First crash: 1046d, last: 9h56m

Cause bisection: introduced by (bisect log) :
commit 6bf071bf09d4b2ff3ee8783531e2ce814f0870cb
Author: Jesper Dangaard Brouer <brouer@redhat.com>
Date: Tue Jun 18 13:05:27 2019 +0000

  xdp: page_pool related fix to cpumap

Crash: general protection fault in batadv_iv_ogm_queue_add (log)
Repro: syz .config
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in register_netdevice_notifier 64 23d 781d 0/1 upstream: reported on 2019/04/27 04:10
upstream INFO: task hung in register_netdevice_notifier 602 1160d 1172d 0/22 closed as invalid on 2018/05/03 10:15
upstream INFO: task can't die in register_netdevice_notifier 91 3d09h 288d 0/22 upstream: reported on 2020/09/01 19:50
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/05 00:53 17m penguin-kernel@i-love.sakura.ne.jp patch upstream OK
2021/06/02 14:53 17m penguin-kernel@i-love.sakura.ne.jp patch upstream OK
2021/06/02 11:11 16m penguin-kernel@i-love.sakura.ne.jp patch upstream OK
2021/06/01 13:45 16m penguin-kernel@i-love.sakura.ne.jp patch upstream report log

Sample crash report:

Crashes (10549):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/05/27 08:24 upstream 7ac3a1c1 858ea628 .config log report syz INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/16 10:26 upstream 94f0b2d4 990d3cbe .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/15 13:00 upstream 009c9aa5 58636922 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/14 12:18 upstream 009c9aa5 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/13 04:43 upstream 8ecfa36c 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/06/12 15:30 upstream ad347abe 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/11 12:17 upstream 06af8679 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/06/11 10:52 upstream 06af8679 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/06/10 03:25 upstream cd1245d7 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/06/09 16:40 upstream 368094df 84fe5d96 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce 2021/06/09 11:53 upstream 368094df 5c2fe346 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/08 21:38 upstream 4c8684fe b718257f .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/06/05 19:01 upstream e5220dd1 500c2339 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/06/05 17:10 upstream 9d32fa5d 500c2339 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/05 00:16 upstream 16f0596f 966a236b .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/06/04 14:31 upstream f88cd3fb 966a236b .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce 2021/06/04 10:41 upstream f88cd3fb 0740de69 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/06/03 02:57 upstream 324c92e5 0740de69 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/02 05:07 upstream 231bc539 032639db .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/06/01 00:04 upstream c2131f7e 032639db .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/05/31 22:50 upstream c2131f7e 032639db .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/05/31 14:59 upstream 8124c8a6 032639db .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/05/31 13:26 upstream 8124c8a6 032639db .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/05/31 05:04 upstream 8124c8a6 325a8dab .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/05/30 16:32 upstream b90e90f4 325a8dab .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-smack-root 2021/05/30 14:53 upstream b90e90f4 325a8dab .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/05/29 19:19 upstream 6799d4f2 325a8dab .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/05/29 00:11 upstream 5ff2756a 858ea628 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/05/27 14:47 upstream d7c5303f 858ea628 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-selinux-root 2021/05/27 01:45 upstream 7ac3a1c1 858ea628 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-386 2021/05/06 13:42 upstream d2b6f8a1 06c27ff5 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-this-kasan-gce 2021/06/13 21:47 net f4cdcae0 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-bpf-kasan-gce 2021/06/13 17:11 bpf 11fc79fc 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-this-kasan-gce 2021/06/06 10:14 net 3822d067 500c2339 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-this-kasan-gce 2021/06/04 00:19 net 261ba78c 0740de69 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/15 10:58 net-next 89212e16 58636922 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/15 09:13 net-next 2d7ff2d8 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/12 20:59 net-next 02b0bb51 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/12 12:33 net-next 1f1aa3fe 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/12 00:35 net-next 1f1aa3fe 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/11 18:53 net-next 76cf404c 1ba81399 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/08 06:24 net-next dc8cf755 b718257f .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/07 22:05 net-next 1a42624a e59537be .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/07 12:12 net-next 1a42624a e59537be .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/07 07:25 net-next 1a42624a 500c2339 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/05 04:34 net-next 1a42624a 500c2339 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/03 14:06 net-next 270d47dc 0740de69 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/02 11:59 net-next 5fe8e519 0740de69 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/06/01 06:26 net-next e099f3e8 032639db .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/05/31 02:06 net-next d3f2c48d 325a8dab .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/05/30 02:33 net-next 015dbf56 325a8dab .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/05/29 06:40 net-next 38e9673c 858ea628 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/05/28 18:59 net-next af9207ad 858ea628 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-net-kasan-gce 2021/05/28 13:26 net-next af9207ad 858ea628 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-bpf-next-kasan-gce 2021/05/22 08:13 bpf-next a49e72b3 3c7fef33 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-linux-next-kasan-gce-root 2021/05/05 13:52 linux-next 29955e02 06c27ff5 .config log report info INFO: task hung in register_netdevice_notifier
ci-upstream-kasan-gce-root 2021/01/17 03:22 upstream 0da0a8a0 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2019/10/22 21:33 upstream 3b7c59a1 5681358a .config log report
ci-upstream-linux-next-kasan-gce-root 2018/08/05 01:50 linux-next 116b181b 3476a2df .config log report