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

From: syzbot
Date: Tue Aug 27 2024 - 12:17:12 EST


syzbot suspects this issue was fixed by commit:

commit 0f9579d9e0331b6255132ac06bdf2c0a01cceb90
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Mon Jun 3 06:58:13 2024 +0000

fs/ntfs3: Add missing .dirty_folio in address_space_operations

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=116e278d980000
start commit: 34afb82a3c67 Merge tag '6.10-rc6-smb3-server-fixes' of git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=42a432cfd0e579e0
dashboard link: https://syzkaller.appspot.com/bug?extid=5b6ed16da1077f45bc8e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=110a2c7e980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1312ea4e980000

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

#syz fix: fs/ntfs3: Add missing .dirty_folio in address_space_operations

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