syzbot


INFO: task hung in misc_open (4)
Status: upstream: reported C repro on 2021/02/13 12:38
Reported-by: syzbot+358c9ab4c93da7b7238c@syzkaller.appspotmail.com
First crash: 327d, last: 15h37m

Cause bisection: failed (bisect log)

Fix bisection: the fix commit could be any of (bisect log):
  2f7b98d1e55c Merge tag 'drm-fixes-2021-04-16' of git://anongit.freedesktop.org/drm/drm
  303392fd5c16 Merge tag 'leds-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in misc_open (2) 8 764d 765d 0/22 auto-closed as invalid on 2019/12/23 14:44
upstream INFO: task hung in misc_open 2 1102d 1182d 0/22 auto-closed as invalid on 2019/04/20 12:01
upstream INFO: task hung in misc_open (3) 2 471d 479d 0/22 auto-closed as invalid on 2020/10/12 03:30

Sample crash report:

Crashes (32):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/10/27 22:43 upstream 1fc596a56b33 373bf66b .config log report syz C INFO: task hung in misc_open
ci-upstream-kasan-gce-smack-root 2021/08/24 10:10 upstream d5ae8d7f85b7 b599f2fc .config log report syz C INFO: task hung in misc_open
ci-upstream-kasan-gce-root 2021/08/16 20:34 upstream 7c60610d4767 33c26cb7 .config log report syz C INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/04/17 02:54 upstream 2f7b98d1e55c 7e2b734b .config log report syz C INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/02/09 12:30 upstream e0756cfc7d7c 2bd9619f .config log report syz C INFO: task hung in misc_open
ci-upstream-linux-next-kasan-gce-root 2021/10/01 07:33 linux-next c7b4d0e56a1d 1d849ab4 .config log report syz C INFO: task can't die in misc_open
ci-upstream-kasan-gce-selinux-root 2021/10/23 01:21 upstream 64222515138e 282f03fb .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-root 2021/10/21 09:04 upstream 8e37395c3a5d f111d03b .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/10/19 10:57 upstream 519d81956ee2 24dc29db .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-selinux-root 2021/10/17 14:18 upstream d999ade1cc86 0c5d9412 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/10/15 22:04 upstream ec681c53f8d2 0c5d9412 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/10/09 23:52 upstream 5d6ab0bb408f 838e7e2c .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/10/02 21:28 upstream ab2a7a35c4e7 db0f5787 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-root 2021/09/27 03:52 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-root 2021/09/25 20:26 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/09/04 01:07 upstream 7cca308cfdc0 d236a457 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/08/17 08:57 upstream a2824f19e606 33c26cb7 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/07/17 09:59 upstream d980cc0620ae f115ae98 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-selinux-root 2021/07/10 17:08 upstream 3dbdb38e2869 8f5a7b8c .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/05/05 02:49 upstream d2b6f8a17919 06c27ff5 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-smack-root 2021/04/09 12:58 upstream 4fa56ad0d12e 6a81331a .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-selinux-root 2021/03/03 22:52 upstream f69d02e37a85 06ed56cd .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-smack-root 2021/02/20 02:25 upstream f40ddce88593 f689d40a .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2021/02/09 07:39 upstream e0756cfc7d7c 2bd9619f .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce-386 2021/10/20 08:00 upstream d9abdee5fd5a 466b7db1 .config log report info INFO: task hung in misc_open
ci-upstream-kasan-gce 2020/12/11 15:18 upstream 33dc9614dc20 ba24ffcd .config log report info
ci-upstream-kasan-gce 2020/12/05 09:39 upstream e87297fa080a 20366b87 .config log report info
ci-upstream-linux-next-kasan-gce-root 2021/09/25 17:15 linux-next 5a5d008887b4 8cac236e .config log report info INFO: task can't die in misc_open
ci-upstream-linux-next-kasan-gce-root 2021/09/25 09:14 linux-next 5a5d008887b4 8cac236e .config log report info INFO: task can't die in misc_open
ci-upstream-linux-next-kasan-gce-root 2021/09/25 04:29 linux-next 5a5d008887b4 8cac236e .config log report info INFO: task can't die in misc_open
ci-upstream-linux-next-kasan-gce-root 2021/08/22 10:16 linux-next 86ed57fd8c93 b599f2fc .config log report info INFO: task can't die in misc_open
ci-upstream-linux-next-kasan-gce-root 2021/03/03 22:43 linux-next f6b975aabf15 06ed56cd .config log report info INFO: task can't die in misc_open