syzbot


KASAN: use-after-free Read in ntfs_iget
Status: fixed on 2021/04/09 19:46
Reported-by: syzbot+c584225dabdea2f71969@syzkaller.appspotmail.com
Fix commit: 4dfe6bd9 ntfs: check for valid standard information attribute
First crash: 204d, last: 204d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: use-after-free Read in ntfs_iget C done 2 115d 191d 1/1 fixed on 2021/03/23 15:18
linux-4.19 KASAN: use-after-free Read in ntfs_iget C done 1 111d 171d 1/1 fixed on 2021/03/29 19:17
upstream KASAN: use-after-free Read in ntfs_iget (2) C inconclusive 2 12d 9d04h 0/22 upstream: reported C repro on 2021/06/07 15:55
Patch testing requests:
Created Duration User Patch Repo Result
2021/02/17 14:02 18m rkovhaev@gmail.com patch upstream OK
2021/02/14 21:44 18m rkovhaev@gmail.com patch upstream OK

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2020/11/23 20:55 upstream 418baf2c 878fb17a .config log report syz C