linux-kernel - Re: [syzbot] KASAN: slab-out-of-bounds Read in ntfs_get

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Date:   Wed, 12 Apr 2023 15:11:03 +0200
From:   Aleksandr Nogikh <nogikh@...gle.com>
To:     syzbot <syzbot+c4d950787fd5553287b7@...kaller.appspotmail.com>
Cc:     almaz.alexandrovich@...agon-software.com, dan.carpenter@...cle.com,
        eadaivs@...a.com, eadavis@...a.com, eadvis@...a.com,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        lkp@...el.com, llvm@...ts.linux.dev, nathan@...nel.org,
        ndesaulniers@...gle.com, ntfs3@...ts.linux.dev,
        pjwatson999@...il.com, syzkaller-bugs@...glegroups.com,
        trix@...hat.com
Subject: Re: [syzbot] KASAN: slab-out-of-bounds Read in ntfs_get_ea

#syz fix: fs/ntfs3: Check fields while reading

On Thu, Jan 26, 2023 at 9:13 AM syzbot
<syzbot+c4d950787fd5553287b7@...kaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b
> Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
> Date:   Mon Oct 10 10:15:33 2022 +0000
>
>     fs/ntfs3: Check fields while reading
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=15cc6199480000
> start commit:   fef7fd48922d Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=7341d0f941b3356
> dashboard link: https://syzkaller.appspot.com/bug?extid=c4d950787fd5553287b7
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=133d4479880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13f05e71880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fs/ntfs3: Check fields while reading
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
>
> --
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