Re: [syzbot] [ntfs?] KASAN: use-after-free Read in ntfs_test_inode

From: syzbot
Date: Sun Sep 24 2023 - 21:15:37 EST


syzbot has bisected this issue to:

commit 78a06688a4d40d9bb6138e2b9ad3353d7bf0157a
Author: Christian Brauner <brauner@xxxxxxxxxx>
Date: Thu Sep 7 16:03:40 2023 +0000

ntfs3: drop inode references in ntfs_put_super()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1674a5c1680000
start commit: 3aba70aed91f Merge tag 'gpio-fixes-for-v6.6-rc3' of git://..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1574a5c1680000
console output: https://syzkaller.appspot.com/x/log.txt?x=1174a5c1680000
kernel config: https://syzkaller.appspot.com/x/.config?x=e4ca82a1bedd37e4
dashboard link: https://syzkaller.appspot.com/bug?extid=2751da923b5eb8307b0b
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=136b4412680000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11aec0dc680000

Reported-by: syzbot+2751da923b5eb8307b0b@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 78a06688a4d4 ("ntfs3: drop inode references in ntfs_put_super()")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection