linux-kernel - Re: [syzbot] [nilfs?] general protection fault in nilfs_clear_dirty

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Message-ID: <20230612033023.GA16241@lst.de>
Date:   Mon, 12 Jun 2023 05:30:23 +0200
From:   Christoph Hellwig <hch@....de>
To:     syzbot <syzbot+53369d11851d8f26735c@...kaller.appspotmail.com>
Cc:     axboe@...nel.dk, dsterba@...e.com, hch@....de,
        konishi.ryusuke@...il.com, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nilfs@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        wqu@...e.com
Subject: Re: [syzbot] [nilfs?] general protection fault in
 nilfs_clear_dirty_page

On Sun, Jun 11, 2023 at 02:18:29PM -0700, syzbot wrote:
> syzbot has bisected this issue to:
> 
> commit 4a445b7b6178d88956192c0202463063f52e8667
> Author: Qu Wenruo <wqu@...e.com>
> 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..