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: 409d, last: 2d06h

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 522d 742d 0/1 public: reported C repro on 2019/04/10 16:14
android-44 INFO: task hung in linkwatch_event 6 958d 1103d 0/2 auto-closed as invalid on 2019/03/05 13:11
upstream INFO: task hung in linkwatch_event C 82 550d 1162d 0/22 closed as dup on 2018/02/14 15:33
linux-4.14 INFO: task hung in linkwatch_event 5 226d 353d 0/1 auto-closed as invalid on 2021/01/05 01:42
linux-4.19 INFO: task hung in linkwatch_event (2) C 47 1d14h 406d 0/1 upstream: reported C repro on 2020/03/11 20:12
linux-4.19 INFO: task hung in linkwatch_event 3 559d 673d 0/1 auto-closed as invalid on 2020/02/07 01:11
android-49 INFO: task hung in linkwatch_event 13 721d 738d 0/3 auto-closed as invalid on 2019/10/25 08:50

Sample crash report:

Crashes (388):
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 dd86e7fa 23a562df .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/02/03 16:51 upstream 3aaf0a27 624dad51 .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/26 07:48 upstream f8ad8187 52e37319 .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/25 07:52 upstream e6806137 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 93129492 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 20f1b5f9 607e3baf .config log report syz C INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2020/12/11 02:25 net-next a7105e34 f900b48c .config log report syz C
ci-upstream-kasan-gce-root 2020/08/23 11:41 upstream c3d8f220 1da71ab0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/08/23 11:35 upstream c3d8f220 1da71ab0 .config log report syz
ci-upstream-kasan-gce-selinux-root 2020/04/25 09:49 upstream b4f63322 03d97a1b .config log report syz
ci-upstream-kasan-gce-smack-root 2021/04/08 03:18 upstream 3a229812 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/03/30 14:23 upstream 1e43c377 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/03/05 10:54 upstream cee407c5 9d751681 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/02/28 20:02 upstream 5695e516 4c37c133 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/02/21 19:04 upstream 55f62bc8 a659b3f1 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/02/20 03:37 upstream f40ddce8 f689d40a .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/02/14 22:37 upstream 358fecee 98682e5e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/02/13 03:49 upstream dcc0b490 98682e5e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/02/12 14:48 upstream dcc0b490 a5f86b15 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/02/11 12:50 upstream 291009f6 a52ee10a .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/02/11 01:46 upstream 291009f6 a52ee10a .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/02/09 02:00 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/02/07 22:52 upstream b75dba7f 2ce644fc .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/02/04 07:34 upstream 3afe9076 624dad51 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/29 21:19 upstream bec4c296 fc9fd31e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/29 09:36 upstream bec4c296 6593fd32 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/29 07:19 upstream e5ff2cb9 7df34f59 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/01/28 13:08 upstream 76c057c8 eefc07f2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/01/23 17:45 upstream fe75a218 52e37319 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/01/19 13:21 upstream 1e2a199f 63631df1 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/01/19 10:45 upstream 1e2a199f 63631df1 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/03/20 09:02 upstream 1c273e10 3d01c4de .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/02/04 11:59 upstream 61556703 42b90a7c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/01/30 15:26 upstream 0e9bcda5 fc9fd31e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/04/18 14:39 net 88a5af94 7e2b734b .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/04/08 00:30 net 5219d601 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/03/31 07:55 net 61431a59 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/03/30 21:08 net 6e5a03bc 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/02/10 09:42 net b8776f14 2bd9619f .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/02/07 18:26 net 225353c0 2ce644fc .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/02/07 07:47 net 225353c0 2ce644fc .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/01/31 15:45 net eb4e8fac fc9fd31e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/19 17:02 net-next e7ad33fa 50f523d7 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/15 17:42 net-next 3a1aa533 fcdb12ba .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/13 21:20 net-next 8ef7adc6 a184b83e .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/08 19:05 net-next 3cd52c1e 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/08 13:22 net-next 3cd52c1e 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/01 09:02 net-next 917e2e6c 6a81331a .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/03/16 15:20 bpf-next 23f50b5a fdb2bb2c .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/03/02 15:29 net-next d310ec03 92ead296 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/03/02 13:13 net-next d310ec03 92ead296 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/02/02 07:15 net-next 1a2b60f6 e6b95f32 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/01/28 11:10 net-next d1f3bdd4 eefc07f2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/02/01 09:45 linux-next b01f250d fc9fd31e .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/01/20 13:26 linux-next 647060f3 d4f4eca5 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/01/17 04:18 upstream 0da0a8a0 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/17 01:22 upstream 0da0a8a0 65a7a854 .config log report info
ci-upstream-kasan-gce-smack-root 2021/01/15 20:43 upstream 5ee88057 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/15 03:52 upstream 14662050 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2021/01/07 22:04 upstream 71c061d2 c104d4a3 .config log report info
ci-upstream-kasan-gce-root 2021/01/06 17:38 upstream 9f1abbe9 c104d4a3 .config log report info
ci-upstream-net-this-kasan-gce 2021/01/12 08:25 net 93828834 2c1f2513 .config log report info
ci-upstream-net-this-kasan-gce 2021/01/10 16:54 net f97844f9 2c1f2513 .config log report info
ci-upstream-net-this-kasan-gce 2021/01/07 23:14 net 1f685e6a c104d4a3 .config log report info
ci-upstream-bpf-kasan-gce 2020/04/25 14:12 bpf e1cebd84 b8bb8e5f .config log report
ci-upstream-net-kasan-gce 2021/01/06 05:17 net-next f6e7a024 b1c228e1 .config log report info
ci-upstream-net-kasan-gce 2021/01/02 12:55 net-next 3db1a3fa 79264ae3 .config log report info
ci-upstream-net-kasan-gce 2020/03/08 04:06 net-next 425c075d 2e9971bb .config log report
ci-upstream-linux-next-kasan-gce-root 2021/01/03 12:06 linux-next d7a03a44 79264ae3 .config log report info