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From:   Mauricio Oliveira <mauricio.oliveira@canonical.com>
Date:   Fri, 20 Nov 2020 10:14:05 -0300
Message-ID: <CAO9xwp1=BGpZtt4yeVicqCwascMxoJ3khG_JC9V3tpjXjOstPQ@mail.gmail.com>
Subject: Re: [Bug report] journal data mode trigger panic in jbd2_journal_commit_transaction
To:     yangerkun <yangerkun@huawei.com>
Cc:     "Theodore Y . Ts'o" <tytso@mit.edu>, adilger.kernel@dilger.ca,
        Jan Kara <jack@suse.cz>, linux-ext4@vger.kernel.org,
        "zhangyi (F)" <yi.zhang@huawei.com>, Hou Tao <houtao1@huawei.com>,
        zhangxiaoxu5@huawei.com, Ye Bin <yebin10@huawei.com>,
        hejie3@huawei.com
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Hi Kun,

On Thu, Nov 19, 2020 at 11:54 PM yangerkun <yangerkun@huawei.com> wrote:
> Hi,
>
> The follow step can reproduce the bug[1] reported before easily. And the
> bug we meet seems same. Following patch will fix the bug.
>
> 3b136499e906 ext4: fix data corruption in data=journal mode
> b90197b65518 ext4: use private version of page_zero_new_buffers() for
> data=journal mode

Since this issue is apparently on a 3.10 kernel, which is no longer
maintained upstream [see 2],
I guess you have to talk to the distro vendor about including such
patches in their kernel.

[2] https://www.kernel.org/

cheers,

-- 
Mauricio Faria de Oliveira