linux-kernel - Re: [PATCH -nect RFC v2 0/2] block: fix uaf in bd_link_disk

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Message-ID: <0ad09045-1012-e86b-41f2-a88d02e8f1ed@huaweicloud.com>
Date:   Fri, 21 Oct 2022 11:15:34 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Christoph Hellwig <hch@....de>
Cc:     axboe@...nel.dk, willy@...radead.org, kch@...dia.com,
        martin.petersen@...cle.com, johannes.thumshirn@....com,
        ming.lei@...hat.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, yukuai1@...weicloud.com,
        yi.zhang@...wei.com, "yukuai (C)" <yukuai3@...wei.com>
Subject: Re: [PATCH -nect RFC v2 0/2] block: fix uaf in bd_link_disk_holder()

Hi,

在 2022/10/21 0:47, Christoph Hellwig 写道:
> As mentioned before I don't think we should make this even more
> crufty in the block layer.  See the series I just sent to move it int
> dm.

It seems we had some misunderstanding, the problem I tried to fix here
should not just related to dm, but all the caller of
bd_link_disk_holder().

Thanks,
Kuai
> 
> .
>