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: 1048d, last: 9m

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 71 28m 72d 0/21 closed as dup on 2021/01/18 10:01
similar bugs (8):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in lock_mount C 103 573d 690d 0/3 public: reported C repro on 2019/04/11 08:44
linux-4.19 INFO: task hung in lock_mount 5 417d 547d 0/1 auto-closed as invalid on 2020/05/09 01:51
linux-4.19 INFO: task hung in lock_mount (2) 2 254d 260d 0/1 auto-closed as invalid on 2020/10/18 21:28
android-44 INFO: task hung in lock_mount C 4 970d 689d 0/2 public: reported C repro on 2019/04/13 00:00
linux-4.19 INFO: task hung in lock_mount (3) 1 20d 20d 0/1 upstream: reported on 2021/02/09 16:09
linux-4.14 INFO: task hung in lock_mount 2 448d 449d 0/1 auto-closed as invalid on 2020/04/07 06:26
upstream INFO: task can't die in lock_mount 71 28m 72d 0/21 closed as dup on 2021/01/18 10:01
upstream INFO: task can't die in iget5_locked 7 5d14h 29d 0/21 upstream: reported on 2021/01/31 09:39

Sample crash report:

Crashes (1156):
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 a048a07d f48c20b8 .config log report syz C
ci-upstream-kasan-gce-386 2018/06/18 05:27 upstream ce397d21 27c5f59f .config log report syz C
ci-upstream-kmsan-gce 2018/08/19 06:02 https://github.com/google/kmsan.git master 0cc51dc9 de20bcbb .config log report syz C
ci-upstream-kasan-gce-root 2021/02/08 11:11 upstream b75dba7f 2ce644fc .config log report syz INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/03/02 05:46 upstream fe07bfda 183afb6c .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/28 00:17 upstream 5695e516 4c37c133 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/25 04:01 upstream 719bbd4a fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/25 01:02 upstream 719bbd4a fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/24 23:18 upstream c03c21ba fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/24 15:04 upstream c03c21ba fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/23 06:38 upstream a99163e9 c26fb06b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/22 13:37 upstream 31caf8b2 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/22 13:25 upstream 31caf8b2 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/22 07:59 upstream 55f62bc8 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/21 22:24 upstream 55f62bc8 a659b3f1 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/21 11:16 upstream e767b353 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/21 10:10 upstream e767b353 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/21 08:21 upstream e767b353 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/21 06:55 upstream e767b353 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/21 02:13 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/20 23:30 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/20 22:06 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/20 20:54 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/20 18:03 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/20 15:15 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/20 03:16 upstream f40ddce8 f689d40a .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/19 23:23 upstream f40ddce8 f689d40a .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/19 23:17 upstream f40ddce8 f689d40a .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/17 23:33 upstream f40ddce8 14052202 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/17 10:54 upstream f40ddce8 052f8d9f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/14 06:37 upstream ac30d8ce 98682e5e .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/12 14:02 upstream dcc0b490 a5f86b15 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/11 22:34 upstream 291009f6 a5f86b15 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/11 22:18 upstream 291009f6 a5f86b15 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/11 21:17 upstream 291009f6 a5f86b15 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/11 13:09 upstream 291009f6 a52ee10a .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/10 18:07 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/10 17:05 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/10 13:52 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/10 13:48 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/02/10 11:56 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/10 05:47 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-smack-root 2021/02/09 20:38 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce 2021/02/09 14:54 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-root 2021/02/09 08:24 upstream e0756cfc 2bd9619f .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/25 02:52 upstream 719bbd4a fcc6d71b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/23 07:49 upstream a99163e9 c26fb06b .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/20 17:59 upstream f40ddce8 3e5ed8b4 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/20 05:18 upstream f40ddce8 f689d40a .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/14 06:39 upstream ac30d8ce 98682e5e .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-386 2021/02/12 15:05 upstream dcc0b490 a5f86b15 .config log report info INFO: task hung in lock_mount
ci-qemu2-arm64-compat 2021/02/07 06:25 upstream 825b5991 0655e081 .config log report info INFO: task hung in lock_mount
ci-upstream-kasan-gce-selinux-root 2021/01/16 15:04 upstream 1d94330a 65a7a854 .config log report info
ci-upstream-kasan-gce-root 2018/04/18 16:23 upstream a27fc142 52643b44 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/10/19 17:12 linux-next c4b9850b 8c88c9c1 .config log report