Re: [syzbot] [ntfs3?] general protection fault in d_flags_for_inode

From: Aleksandr Nogikh
Date: Thu Jul 13 2023 - 06:17:46 EST


On Thu, Jul 13, 2023 at 11:37 AM syzbot
<syzbot+2f012b85ac8ce9be92e5@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit c43784c856483dded7956175b5786e27af6d87f1
> Author: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
> Date: Thu Dec 8 07:51:32 2022 +0000
>
> media: v4l2-mem2mem: use vb2_is_streaming()
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17e7d1bca80000

No, that's apparently unrelated. Though I don't see where exactly the
bisection went astray..
Likely because the reproducer got quite unreliable at older commits
and we made a few false "git bisect good" commands.

We will soon start automatically discarding such bisection results:
https://github.com/google/syzkaller/pull/4028

> start commit: 4da34b7d175d Merge tag 'thermal-6.1-rc2' of git://git.kern..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=ea03ca45176080bc
> dashboard link: https://syzkaller.appspot.com/bug?extid=2f012b85ac8ce9be92e5
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17834f9a880000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10edf526880000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: media: v4l2-mem2mem: use vb2_is_streaming()

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