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SubjectRe: [syzbot] [ntfs3?] BUG: unable to handle kernel NULL pointer dereference in ni_find_attr
On Sun, Feb 5, 2023 at 8:46 PM syzbot
<syzbot+69d15cab6309bffae739@syzkaller.appspotmail.com> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 2681631c29739509eec59cc0b34e977bb04c6cf1
> Author: Edward Lo <edward.lo@ambergroup.io>
> Date: Sat Aug 6 17:05:18 2022 +0000
>
> fs/ntfs3: Add null pointer check to attr_load_runs_vcn
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=110ad78d480000
> 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=69d15cab6309bffae739
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16b3fb9b880000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=101313bb880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: fs/ntfs3: Add null pointer check to attr_load_runs_vcn

Looks correct.
#syz fix: fs/ntfs3: Add null pointer check to attr_load_runs_vcn

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