Re: [syzbot] [ntfs3?] WARNING in wnd_add_free_ext (2)

[syzbot]

syzbot has bisected this issue to:

commit 3880f2b816a7e4ca889b7e8a42e6c62c5706ed36
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date:   Mon Oct 25 15:31:28 2021 +0000

    fs/ntfs3: Fix fiemap + fix shrink file size (to remove preallocated space)

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=168fd89ba80000
start commit:   f6a691685962 Merge tag '6.5-rc4-smb3-client-fix' of git://..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=158fd89ba80000
console output: https://syzkaller.appspot.com/x/log.txt?x=118fd89ba80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1e3d5175079af5a4
dashboard link: https://syzkaller.appspot.com/bug?extid=5b2f934f08ab03d473ff
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13f56679a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=118b8eeda80000

Reported-by: syzbot+5b2f934f08ab03d473ff@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 3880f2b816a7 ("fs/ntfs3: Fix fiemap + fix shrink file size (to remove preallocated space)")

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