Re: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in ntfs_sparse_cluster

syzbot
2023-01-31T23:05:18Z

syzbot suspects this issue was fixed by commit:

commit c380b52f6c5702cc4bdda5e6d456d6c19a201a0b
Author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date: Fri Oct 7 11:02:36 2022 +0000

fs/ntfs3: Change new sparse cluster processing

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1377b979480000
start commit: e2ca6ba6ba01 Merge tag 'mm-stable-2022-12-13' of git://git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=276eb8ff64eb2c27
dashboard link: https://syzkaller.appspot.com/bug?extid=deb631beeb93bdb2df4c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10d8601b880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a09c93880000

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

#syz fix: fs/ntfs3: Change new sparse cluster processing

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