syzbot


INFO: task hung in lock_mount
Status: upstream: reported C repro on 2018/04/30 17:46
Reported-by: syzbot+221d75710bde87fa0e97@syzkaller.appspotmail.com
First crash: 1197d, last: 135d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task can't die in lock_mount 73 148d 221d 0/22 closed as dup on 2021/01/18 10:01
similar bugs (9):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in lock_mount (4) 1 5d10h 5d10h 0/1 upstream: reported on 2021/07/24 02:18
android-49 INFO: task hung in lock_mount C 103 722d 840d 0/3 public: reported C repro on 2019/04/11 08:44
linux-4.19 INFO: task hung in lock_mount 5 566d 696d 0/1 auto-closed as invalid on 2020/05/09 01:51
linux-4.19 INFO: task hung in lock_mount (2) 2 403d 409d 0/1 auto-closed as invalid on 2020/10/18 21:28
android-44 INFO: task hung in lock_mount C 4 1119d 838d 0/2 public: reported C repro on 2019/04/13 00:00
linux-4.19 INFO: task hung in lock_mount (3) 1 169d 169d 0/1 auto-closed as invalid on 2021/06/09 16:09
linux-4.14 INFO: task hung in lock_mount 2 598d 599d 0/1 auto-closed as invalid on 2020/04/07 06:26
upstream INFO: task can't die in lock_mount 73 148d 221d 0/22 closed as dup on 2021/01/18 10:01
upstream INFO: task can't die in iget5_locked 7 154d 179d 22/22 fixed on 2021/04/09 19:46

Sample crash report:

Crashes (1224):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2018/05/23 19:12 upstream a048a07d7f45 f48c20b8 .config log report syz C
ci-upstream-kasan-gce-386 2018/06/18 05:27 upstream ce397d215ccd 27c5f59f .config log report syz C
ci-upstream-kmsan-gce 2018/08/19 06:02 https://github.com/google/kmsan.git master 0cc51dc9a291 de20bcbb .config log report syz C
ci-upstream-kasan-gce-root 2021/02/08 11:11 upstream b75dba7f472c 2ce644fc .config log report syz INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/16 02:06 upstream 1e28eed17697 fdb2bb2c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/15 19:46 upstream 1e28eed17697 fdb2bb2c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/15 03:23 upstream 75013c6c52d8 cc1cff8f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/14 11:03 upstream 88fe49249c99 4a003785 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/14 04:41 upstream 88fe49249c99 4a003785 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/13 14:37 upstream f296bfd5cd04 4a003785 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/12 09:22 upstream 28806e4d9b97 429d8a6b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/12 01:13 upstream 28806e4d9b97 429d8a6b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/11 14:53 upstream a74e6a014c9d c2ca1f2a .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/11 01:55 upstream 05a59d79793d 764067f3 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/10 11:18 upstream 144c79ef3353 26967e35 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/03/09 18:21 upstream 144c79ef3353 09fbf400 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/09 08:32 upstream 144c79ef3353 09fbf400 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/08 21:38 upstream 144c79ef3353 09fbf400 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/07 22:28 upstream a38fd8748464 75506d9c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/07 22:28 upstream a38fd8748464 75506d9c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/07 20:29 upstream a38fd8748464 75506d9c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/05 17:08 upstream 280d542f6ffa 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/05 15:01 upstream 280d542f6ffa 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/03/05 10:29 upstream cee407c5cc42 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/05 09:22 upstream cee407c5cc42 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/03/05 09:01 upstream cee407c5cc42 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/03/04 18:35 upstream f69d02e37a85 d7e4e604 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/03/04 01:56 upstream f69d02e37a85 06ed56cd .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/03/03 23:41 upstream f69d02e37a85 06ed56cd .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/03 18:48 upstream f69d02e37a85 06ed56cd .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/03 08:02 upstream 7a7fd0de4a98 e5b64d68 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/03/02 20:37 upstream 7a7fd0de4a98 92ead296 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/02 05:46 upstream fe07bfda2fb9 183afb6c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/28 00:17 upstream 5695e5161974 4c37c133 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/25 04:01 upstream 719bbd4a509f fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/25 01:02 upstream 719bbd4a509f fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/24 23:18 upstream c03c21ba6f4e fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/24 15:04 upstream c03c21ba6f4e fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/23 06:38 upstream a99163e9e708 c26fb06b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/22 13:37 upstream 31caf8b2a847 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/22 13:25 upstream 31caf8b2a847 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/22 07:59 upstream 55f62bc87347 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/21 22:24 upstream 55f62bc87347 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/21 11:16 upstream e767b3530acb 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/21 10:10 upstream e767b3530acb 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/21 08:21 upstream e767b3530acb 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/03/05 16:07 upstream 280d542f6ffa 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/03/05 12:30 upstream 280d542f6ffa 9d751681 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/03/03 21:09 upstream f69d02e37a85 06ed56cd .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/03/03 08:00 upstream 7a7fd0de4a98 e5b64d68 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/25 02:52 upstream 719bbd4a509f fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/23 07:49 upstream a99163e9e708 c26fb06b .config log report info INFO: task hung in lock_mount
ci-qemu2-arm64-compat 2021/02/07 06:25 upstream 825b5991a46e 0655e081 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/01/16 15:04 upstream 1d94330a437a 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2018/04/18 16:23 upstream a27fc14219f2 52643b44 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/19 17:12 linux-next c4b9850b3676 8c88c9c1 .config log report