Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in unlock_page (2)

From: syzbot
Date: Fri Oct 27 2023 - 01:11:14 EST


syzbot suspects this issue was fixed by commit:

commit 013ff63b649475f0ee134e2c8d0c8e65284ede50
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Jun 30 12:17:02 2023 +0000

fs/ntfs3: Add more attributes checks in mi_enum_attr()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10677ddb680000
start commit: 18940c888c85 Merge tag 'sched_urgent_for_v6.3_rc4' of git:..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=acdb62bf488a8fe5
dashboard link: https://syzkaller.appspot.com/bug?extid=9d014e6e0df70d97c103
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15bf0adec80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1391fcd5c80000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs/ntfs3: Add more attributes checks in mi_enum_attr()

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