syzbot


INFO: task hung in linkwatch_event (2)
Status: upstream: reported C repro on 2020/04/29 09:59
Reported-by: syzbot+96ff6cfc4551fcc29342@syzkaller.appspotmail.com
First crash: 588d, last: 4d14h

Cause bisection: introduced by (bisect log) :
commit 386d4716fd91869e07c731657f2cde5a33086516
Author: Luo bin <luobin9@huawei.com>
Date: Thu Feb 27 06:34:44 2020 +0000

  hinic: fix a bug of rss configuration

Crash: INFO: task hung in io_finish_async (log)
Repro: syz .config
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 INFO: task hung in linkwatch_event C 7 700d 920d 0/1 public: reported C repro on 2019/04/10 16:14
android-44 INFO: task hung in linkwatch_event 6 1136d 1282d 0/2 auto-closed as invalid on 2019/03/05 13:11
upstream INFO: task hung in linkwatch_event C 82 728d 1340d 0/22 closed as dup on 2018/02/14 15:33
linux-4.14 INFO: task hung in linkwatch_event 5 405d 531d 0/1 auto-closed as invalid on 2021/01/05 01:42
linux-4.19 INFO: task hung in linkwatch_event (2) C 69 13h09m 584d 0/1 upstream: reported C repro on 2020/03/11 20:12
linux-4.19 INFO: task hung in linkwatch_event 3 738d 851d 0/1 auto-closed as invalid on 2020/02/07 01:11
android-49 INFO: task hung in linkwatch_event 13 900d 916d 0/3 auto-closed as invalid on 2019/10/25 08:50

Sample crash report:

Crashes (799):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/02/05 22:54 upstream dd86e7fa07a3 23a562df .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/02/03 16:51 upstream 3aaf0a27ffc2 624dad51 .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/26 07:48 upstream f8ad8187c3b5 52e37319 .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/25 07:52 upstream e68061375f79 52e37319 .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/03/31 11:53 linux-next 931294922e65 6a81331a .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/03/25 10:28 linux-next 20f1b5f9c07c 607e3baf .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2020/12/11 02:25 net-next a7105e3472bf f900b48c .config log report syz C
ci-upstream-kasan-gce-root 2021/06/18 11:34 upstream fd0aa1a4567d aba2b2fb .config log report syz INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/09/08 09:21 linux-next b2bb710d34d5 064c9eb7 .config log report syz INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2020/08/23 11:41 upstream c3d8f220d012 1da71ab0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/08/23 11:35 upstream c3d8f220d012 1da71ab0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/04/25 09:49 upstream b4f633221f0a 03d97a1b .config log report syz
ci-upstream-kasan-gce-root 2021/10/12 15:43 upstream fa5878760579 838e7e2c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/30 19:36 upstream 02d5e016800d 1d849ab4 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/09/30 12:26 upstream 02d5e016800d be530f6c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/29 17:40 upstream 02d5e016800d be530f6c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/29 14:35 upstream a4e6f95a891a be530f6c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/29 04:33 upstream a4e6f95a891a d82cb927 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/28 19:11 upstream d33bec7b3dfa d82cb927 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/28 16:08 upstream d33bec7b3dfa d82cb927 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/28 13:25 upstream 0513e464f900 d82cb927 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/27 21:33 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/27 13:29 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/27 09:58 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/09/27 08:48 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/27 04:18 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/27 03:18 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/27 02:16 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/26 20:27 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/26 16:19 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/26 12:20 upstream a3b397b4fffb 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/26 09:34 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/26 00:33 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/25 22:47 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/25 21:41 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/25 18:28 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/25 09:43 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/09/25 04:23 upstream 4c4f0c2bf341 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/24 19:27 upstream 4c4f0c2bf341 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/24 18:56 upstream 4c4f0c2bf341 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/09/24 13:45 upstream f9e36107ec70 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/24 02:38 upstream f9e36107ec70 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/09/23 12:51 upstream 58e2cf5d7946 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/09/23 01:07 upstream cf1d2c3e7e2f 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/09/22 19:26 upstream cf1d2c3e7e2f 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/10/09 19:14 upstream 717478d89fe2 838e7e2c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/09/30 16:00 upstream 02d5e016800d be530f6c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/09/29 16:18 upstream 02d5e016800d be530f6c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/09/28 17:34 upstream d33bec7b3dfa d82cb927 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/09/26 10:55 upstream a5e0aceabef6 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/28 22:50 bpf 79e2c3066675 d82cb927 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/28 12:22 bpf 79e2c3066675 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/27 17:40 bpf a3debf177f21 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/27 06:46 bpf a3debf177f21 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/25 19:52 bpf a3debf177f21 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/25 15:50 bpf a3debf177f21 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/09/25 07:28 net 4526fe74c3c5 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/25 02:33 bpf 199715243f72 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/23 17:44 bpf 7c3a00911b3d 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-kasan-gce 2021/09/23 07:38 bpf 7c3a00911b3d 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/10/08 08:59 net-next 9fe1155233c8 efe0f24d .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/10/03 22:53 bpf-next d636c8da2d60 db0f5787 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/10/02 18:12 bpf-next d636c8da2d60 db0f5787 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/10/02 05:46 bpf-next d636c8da2d60 db0f5787 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/10/01 15:38 bpf-next 6bbc7103738f cc80db95 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/09/30 20:38 bpf-next e68ac0082787 1d849ab4 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/28 00:15 net-next b69c99463d41 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/27 20:31 net-next b69c99463d41 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/09/27 20:22 bpf-next e7d5184b24fb 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/27 00:47 net-next d59bdda85eb7 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/09/26 21:54 bpf-next e7d5184b24fb 78494d16 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/24 16:34 net-next 2fcd14d0f780 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/24 07:52 net-next 2fcd14d0f780 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/24 06:06 net-next 2fcd14d0f780 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/09/23 03:26 net-next 428168f99517 8cac236e .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/09/20 13:49 linux-next 1f77990c4b79 af796c18 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/17 04:18 upstream 0da0a8a0a0e1 65a7a854 .config log report info
ci-upstream-net-kasan-gce 2020/03/08 04:06 net-next 425c075dcbb2 2e9971bb .config log report