Re: [syzbot] [net?] [ntfs3?] KMSAN: uninit-value in bcmp

[Dmitry Vyukov]

On Sat, 18 Feb 2023 at 23:16, syzbot
<syzbot+d8b02c920ae8f3e0be75@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> 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=149cdbcf480000
> start commit:   b7b275e60bcd Linux 6.1-rc7
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=2325e409a9a893e1
> dashboard link: https://syzkaller.appspot.com/bug?extid=d8b02c920ae8f3e0be75
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=164c4a4b880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=152bfbc9880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fs/ntfs3: Validate attribute name offset

Looks reasonable to me"

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