syzbot


BUG: Dentry still in use [unmount of tmpfs tmpfs]
Status: fixed on 2019/07/10 21:40
Reported-by: syzbot+7008b8b8ba7df475fdc8@syzkaller.appspotmail.com
Fix commit: 1b0b9cc8d379 vfs: fsmount: add missing mntget()
First crash: 906d, last: 906d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
KASAN: use-after-free Read in mntput C done 8 898d 904d 17/22 closed as dup on 2019/06/12 18:47
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-5-10 BUG: Dentry still in use [unmount of ext4 loop0] C error 62 18h22m 38d 0/1 closed as dup on 2021/10/28 13:08
android-54 BUG: Dentry still in use [unmount of tmpfs tmpfs] C 10 132d 303d 0/1 upstream: reported C repro on 2021/02/01 05:18
upstream BUG: Dentry still in use [unmount of tmpfs tmpfs] (2) 3 382d 378d 0/22 auto-closed as invalid on 2021/02/11 21:17

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/06/08 13:40 upstream 79c3ba3206c7 cf9c3a50 .config log report
ci-upstream-kasan-gce-smack-root 2019/06/08 13:39 upstream 79c3ba3206c7 cf9c3a50 .config log report