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: 469d, last: 2d02h

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 582d 802d 0/1 public: reported C repro on 2019/04/10 16:14
android-44 INFO: task hung in linkwatch_event 6 1018d 1163d 0/2 auto-closed as invalid on 2019/03/05 13:11
upstream INFO: task hung in linkwatch_event C 82 610d 1222d 0/22 closed as dup on 2018/02/14 15:33
linux-4.14 INFO: task hung in linkwatch_event 5 287d 413d 0/1 auto-closed as invalid on 2021/01/05 01:42
linux-4.19 INFO: task hung in linkwatch_event (2) C 50 9d10h 466d 0/1 upstream: reported C repro on 2020/03/11 20:12
linux-4.19 INFO: task hung in linkwatch_event 3 620d 733d 0/1 auto-closed as invalid on 2020/02/07 01:11
android-49 INFO: task hung in linkwatch_event 13 782d 798d 0/3 auto-closed as invalid on 2019/10/25 08:50

Sample crash report:

Crashes (427):
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 2021/06/18 11:34 upstream fd0aa1a4 aba2b2fb .config log report syz INFO: task hung in linkwatch_event
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 2021/06/03 00:18 upstream 231bc539 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/06/01 22:13 upstream c2131f7e 032639db .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/05/10 02:58 upstream 6efb943b bc5434be .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/04/23 15:02 upstream 18a3c5f7 17f0b706 .config log report info INFO: task hung in linkwatch_event
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-selinux-root 2021/02/12 14:48 upstream dcc0b490 a5f86b15 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/06/07 05:07 upstream decad3e1 500c2339 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/05/24 09:13 upstream 6ebb6814 3c7fef33 .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-net-this-kasan-gce 2021/06/16 03:35 net a4f0377d 990d3cbe .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/08 15:48 net aaab3076 b718257f .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/06 00:47 net 3822d067 500c2339 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/05 09:32 net 3822d067 500c2339 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/04 03:22 net 261ba78c 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/03 08:01 net ab00f3e0 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/02 03:39 net 4ef8d857 032639db .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/01 06:15 net 593f555f 032639db .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/05/27 22:56 net d7c5303f 858ea628 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/05/24 04:05 net 5eff1461 3c7fef33 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/05/16 03:10 net b81ac784 f54a5c09 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/05/12 00:08 net 297c4de6 b3c3bb8e .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-kasan-gce 2021/06/18 23:35 net-next 8fe088bd aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/18 04:20 net-next 01f1b6ed aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/16 08:26 net-next 925a56b2 990d3cbe .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/06/15 01:59 bpf-next ca16b429 1ba81399 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/11 02:00 net-next 06990739 1ba81399 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/08 17:50 net-next dc8cf755 b718257f .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/07 16:55 net-next 1a42624a e59537be .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/02 16:13 net-next 5fe8e519 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/05/30 04:41 net-next 015dbf56 325a8dab .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/05/23 06:20 net-next f5120f59 3c7fef33 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/05/22 15:48 net-next f5120f59 3c7fef33 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/05/20 23:46 net-next a49e72b3 c560a65d .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/05/18 23:01 net-next 06b38e23 a343ba6b .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/04/29 03:08 net-next 95aafe91 77e2b668 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/04/24 02:05 bpf-next 7d3c1077 17f0b706 .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-linux-next-kasan-gce-root 2021/06/18 22:17 linux-next a1f92694 aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/05/26 06:53 linux-next a1f92694 93d3a9f6 .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/04/25 07:48 linux-next e3d35712 36c88236 .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-bpf-kasan-gce 2020/04/25 14:12 bpf e1cebd84 b8bb8e5f .config log report
ci-upstream-net-kasan-gce 2020/03/08 04:06 net-next 425c075d 2e9971bb .config log report