syzbot


possible deadlock in mnt_want_write (2)
Status: upstream: reported on 2021/06/15 16:59
Reported-by: syzbot+b42fe626038981fb7bfa@syzkaller.appspotmail.com
First crash: 48d, last: 14d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in mnt_want_write C done done 662 294d 1102d 17/22 fixed on 2020/11/16 12:12
linux-4.19 possible deadlock in mnt_want_write C 221 5d20h 832d 0/1 upstream: reported C repro on 2019/04/19 16:54
android-49 possible deadlock in mnt_want_write 1 1085d 1085d 0/3 auto-closed as invalid on 2019/02/22 14:57
linux-4.14 possible deadlock in mnt_want_write C 4507 23d 827d 0/1 upstream: reported C repro on 2019/04/25 05:09

Sample crash report:

Crashes (8):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/07/16 02:19 upstream dd9c7df94c1b f115ae98 .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/07/16 00:58 upstream dd9c7df94c1b f115ae98 .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/07/15 04:40 upstream 8096acd7442e b9a2f64e .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/07/13 16:18 upstream 7fef2edf7cc7 fa0594c3 .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/07/12 22:27 upstream 7fef2edf7cc7 f415556d .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/07/11 20:13 upstream 98f7fdced2e0 8f5a7b8c .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/07/07 08:53 upstream 3dbdb38e2869 4846d5c1 .config log report info possible deadlock in mnt_want_write
ci-upstream-kasan-gce-smack-root 2021/06/11 16:55 upstream 06af8679449d 1ba81399 .config log report info possible deadlock in mnt_want_write