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: 503d, last: 5h26m

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 615d 835d 0/1 public: reported C repro on 2019/04/10 16:14
android-44 INFO: task hung in linkwatch_event 6 1051d 1197d 0/2 auto-closed as invalid on 2019/03/05 13:11
upstream INFO: task hung in linkwatch_event C 82 644d 1255d 0/22 closed as dup on 2018/02/14 15:33
linux-4.14 INFO: task hung in linkwatch_event 5 320d 447d 0/1 auto-closed as invalid on 2021/01/05 01:42
linux-4.19 INFO: task hung in linkwatch_event (2) C 51 12d 499d 0/1 upstream: reported C repro on 2020/03/11 20:12
linux-4.19 INFO: task hung in linkwatch_event 3 653d 767d 0/1 auto-closed as invalid on 2020/02/07 01:11
android-49 INFO: task hung in linkwatch_event 13 815d 832d 0/3 auto-closed as invalid on 2019/10/25 08:50

Sample crash report:

Crashes (465):
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-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 2021/07/22 08:33 upstream 7b6ae471e541 29c3f20f .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/07/19 09:05 upstream 2734d6c1b1a0 f115ae98 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/07/15 18:28 upstream 8096acd7442e b9a2f64e .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/07/10 12:28 upstream 3dbdb38e2869 8f5a7b8c .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-smack-root 2021/07/05 21:33 upstream 3dbdb38e2869 55aa55c2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/07/02 10:05 upstream e058a84bfddc 658ebc66 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/06/27 07:35 upstream 625acffd7ae2 9d2ab5df .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/06/24 02:34 upstream 7266f2030eb0 fe4ab389 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-root 2021/06/23 04:05 upstream 0c18f29aae7c aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-selinux-root 2021/06/22 05:58 upstream 13311e74253f aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce 2021/06/03 00:18 upstream 231bc5390667 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-kasan-gce-386 2021/06/07 05:07 upstream decad3e1d1ed 500c2339 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/21 22:41 net 161dcc024288 29c3f20f .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/20 02:25 net 6f20c8adb181 bc48c9ab .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/17 10:39 net 5b69874f74cc f115ae98 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/12 20:44 net d2eecc596bdf f415556d .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/10 22:21 net 849fd444dd73 8f5a7b8c .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/03 22:54 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/03 16:49 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/03 12:01 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/07/03 01:29 net dbe69e433722 55aa55c2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/30 11:32 net a118ff661889 84fd4c77 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/25 17:13 net be7f62eebaff ae6bf8dd .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/16 03:35 net a4f0377db125 990d3cbe .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/08 15:48 net aaab3076d7c7 b718257f .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/06 00:47 net 3822d0670c9d 500c2339 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/05 09:32 net 3822d0670c9d 500c2339 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/04 03:22 net 261ba78cc364 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-this-kasan-gce 2021/06/03 08:01 net ab00f3e051e8 0740de69 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/19 11:14 net-next 0d6835ffe50c e6a17580 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/16 19:50 net-next 87117baf4f92 f115ae98 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/16 15:54 net-next 87117baf4f92 f115ae98 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/10 14:14 net-next 5e437416ff66 8f5a7b8c .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/09 07:54 net-next 5e437416ff66 1b20171a .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/08 10:25 net-next 5e437416ff66 95793bce .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/07/07 17:42 net-next 5e437416ff66 4846d5c1 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/07/04 19:13 bpf-next dbe69e433722 55aa55c2 .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/06/30 08:47 bpf-next 84fe73996c2e 84fd4c77 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/28 17:06 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/27 12:28 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/26 15:47 net-next ff8744b5eb11 9d2ab5df .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/18 23:35 net-next 8fe088bd4fd1 aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/18 04:20 net-next 01f1b6ed2b84 aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/16 08:26 net-next 925a56b2c085 990d3cbe .config log report info INFO: task hung in linkwatch_event
ci-upstream-bpf-next-kasan-gce 2021/06/15 01:59 bpf-next ca16b429f39b 1ba81399 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/11 02:00 net-next 0699073951e3 1ba81399 .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/08 17:50 net-next dc8cf7550a70 b718257f .config log report info INFO: task hung in linkwatch_event
ci-upstream-net-kasan-gce 2021/06/07 16:55 net-next 1a42624aecba e59537be .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/07/24 05:02 linux-next 90d856e71443 bc5f1d88 .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/07/13 08:57 linux-next db503865b9ba f415556d .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/07/11 21:37 linux-next 92510a7fd93c 8f5a7b8c .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/06/30 18:17 linux-next a1f92694393a 84fd4c77 .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/06/22 23:34 linux-next a1f92694393a aba2b2fb .config log report info INFO: task hung in linkwatch_event
ci-upstream-linux-next-kasan-gce-root 2021/06/18 22:17 linux-next a1f92694393a aba2b2fb .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-bpf-kasan-gce 2020/04/25 14:12 bpf e1cebd841b0a b8bb8e5f .config log report
ci-upstream-net-kasan-gce 2020/03/08 04:06 net-next 425c075dcbb2 2e9971bb .config log report