Re: [syzbot] KASAN: slab-out-of-bounds Read in mi_find_attr

From: syzbot
Date: Tue Jan 31 2023 - 04:27:30 EST


syzbot suspects this issue was fixed by commit:

commit 4f1dc7d9756e66f3f876839ea174df2e656b7f79
Author: Edward Lo <edward.lo@xxxxxxxxxxxxx>
Date: Fri Sep 9 01:04:00 2022 +0000

fs/ntfs3: Validate attribute name offset

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12e74535480000
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=a6133b41a9a0f500
dashboard link: https://syzkaller.appspot.com/bug?extid=8ebb469b64740648f1c3
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16fb2ad0480000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=164513e0480000

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

#syz fix: fs/ntfs3: Validate attribute name offset

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