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

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Date:   Wed, 26 Oct 2022 19:16:46 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     Yu Kuai <yukuai1@...weicloud.com>, 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, 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, Christoph

在 2022/10/21 11:15, Yu Kuai 写道:
> 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().

Any suggestions about how to fix this problem?

Thanks,
Kuai
> 
> Thanks,
> Kuai
>>
>> .
>>
> 
> .
>