Re: [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty_page

[Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>]

On Mon, Jun 12, 2023 at 12:30 PM Christoph Hellwig wrote:
>
> On Sun, Jun 11, 2023 at 02:18:29PM -0700, syzbot wrote:
> > syzbot has bisected this issue to:
> >
> > commit 4a445b7b6178d88956192c0202463063f52e8667
> > Author: Qu Wenruo <wqu@xxxxxxxx>
> > Date:   Sat Aug 13 08:06:53 2022 +0000
> >
> >     btrfs: don't merge pages into bio if their page offset is not contiguous
>
> I can't see how that btrfs commit would affect nilfs2..

Yeah, I think this bisection result is wrong.
I have already posted a bug-fix patch titled "nilfs2: prevent general
protection fault in nilfs_clear_dirty_page()"
for this issue.

Thanks,
Ryusuke Konishi