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Date:   Thu, 17 Feb 2022 08:29:21 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     liqiong <liqiong@nfschina.com>
Cc:     linux-mm@kvack.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org
Subject: Re: [PATCH] mm: fix dereference a null pointer in
 migrate[_huge]_page_move_mapping()
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On Thu, Feb 17, 2022 at 02:38:08PM +0800, liqiong wrote:
> Upstream has no this bug.

What do you mean by this?

confused,

greg k-h