syzbot


possible deadlock in loop_probe
Status: upstream: reported C repro on 2021/06/16 21:18
Reported-by: syzbot+6a8a0d93c91e8fbf2e80@syzkaller.appspotmail.com
Fix commit: 962bf783ef65 mtd: break circular locks in register_mtd_blktrans
Patched on: [ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 96d, last: 67d

Cause bisection: introduced by (bisect log) :
commit 5befc7c26e5a98cd49789fb1beb52c62bd472dba
Author: Keith Busch <kbusch@kernel.org>
Date: Wed Mar 24 23:18:05 2021 +0000

  nvme: implement non-mdts command limits

Crash: WARNING: ODEBUG bug in netdev_run_todo (log)
Repro: C syz .config
duplicates (2):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
possible deadlock in loop_add C done 23846 28d 68d 0/22 closed as dup on 2021/08/08 12:58
possible deadlock in brd_probe C unreliable 15204 22d 303d 0/22 closed as dup on 2021/08/08 13:02
Patch testing requests:
Created Duration User Patch Repo Result
2021/06/18 11:46 19m penguin-kernel@i-love.sakura.ne.jp patch upstream OK
2021/06/17 13:52 19m desmondcheongzx@gmail.com patch upstream OK
2021/06/17 08:40 18m desmondcheongzx@gmail.com patch upstream OK
2021/06/17 03:27 10m desmondcheongzx@gmail.com patch upstream report log

Sample crash report:

Crashes (20656):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/07/05 17:23 upstream 3dbdb38e2869 55aa55c2 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/02 10:19 upstream e058a84bfddc 658ebc66 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/27 01:16 upstream 625acffd7ae2 9d2ab5df .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/26 22:22 upstream 625acffd7ae2 9d2ab5df .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/26 11:29 upstream b7050b242430 9d2ab5df .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/06/26 10:37 upstream b7050b242430 9d2ab5df .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/26 08:58 upstream b7050b242430 9d2ab5df .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/25 05:42 upstream 4a09d388f2ab 0edbbe31 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/06/24 14:50 upstream 7426cedc7dad ec865f6a .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/23 22:58 upstream 7266f2030eb0 fe4ab389 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/23 06:44 upstream 0c18f29aae7c aba2b2fb .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/06/20 23:51 upstream cba5e97280f5 aba2b2fb .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/06/18 23:04 upstream fd0aa1a4567d aba2b2fb .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/17 08:56 upstream 6b00bc639f1f aba2b2fb .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/06/15 07:20 upstream 009c9aa5be65 1ba81399 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/06/15 02:19 upstream 009c9aa5be65 1ba81399 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/06/13 07:46 upstream 8ecfa36cd4db 1ba81399 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/06/13 05:47 upstream 8ecfa36cd4db 1ba81399 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/03 11:21 upstream 3dbdb38e2869 55aa55c2 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/06/18 07:48 upstream fd0aa1a4567d aba2b2fb .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/06/17 21:19 upstream 70585216fe77 aba2b2fb .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/06/13 07:00 upstream 8ecfa36cd4db 1ba81399 .config log report syz C possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/08 21:13 upstream 3dbdb38e2869 1b20171a .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/01 22:46 upstream dbe69e433722 658ebc66 .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/01 03:08 upstream df04fbe8680b 38a885d1 .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/27 18:18 upstream 625acffd7ae2 9d2ab5df .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/06/25 23:55 upstream 44db63d1ad8d ae6bf8dd .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/06/15 19:34 upstream 009c9aa5be65 58636922 .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/06/13 06:06 upstream 8ecfa36cd4db 1ba81399 .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/06/23 09:31 upstream 0c18f29aae7c aba2b2fb .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/06/23 07:22 upstream 0c18f29aae7c aba2b2fb .config log report syz possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 17:56 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 16:55 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 16:16 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 15:14 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 14:32 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 13:25 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 12:38 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 11:34 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/07/11 10:40 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 08:38 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 07:51 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 06:47 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 06:30 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/11 05:19 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 03:52 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 02:46 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/11 00:31 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 23:42 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 22:38 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/07/10 22:14 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 21:09 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 19:56 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 18:50 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 17:46 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/07/10 15:33 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 14:25 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 13:05 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 12:51 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 11:47 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 10:46 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 09:42 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/07/10 09:40 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-root 2021/07/10 07:31 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/07/10 06:27 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 05:55 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/07/10 04:38 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/07/10 03:56 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce 2021/07/10 02:53 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-selinux-root 2021/07/10 02:03 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/07/10 01:38 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-smack-root 2021/07/10 01:07 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-qemu-upstream 2021/06/21 07:19 upstream 13311e74253f aba2b2fb .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/11 19:21 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/11 02:33 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/11 01:31 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/10 21:01 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/10 16:59 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/10 15:50 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-upstream-kasan-gce-386 2021/07/10 08:36 upstream 3dbdb38e2869 8f5a7b8c .config log report info possible deadlock in loop_probe
ci-qemu-upstream-386 2021/06/21 08:10 upstream 13311e74253f aba2b2fb .config log report info possible deadlock in loop_probe
ci-qemu-upstream-386 2021/06/12 21:09 upstream 141415d7379a 1ba81399 .config log report info possible deadlock in loop_probe