linux-kernel - Re: bdi: fix use-after-free for dev

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Message-ID: <20200416152946.GA10845@lst.de>
Date:   Thu, 16 Apr 2020 17:29:46 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Christoph Hellwig <hch@....de>, yuyufen@...wei.com, tj@...nel.org,
        jack@...e.cz, bvanassche@....org, tytso@....edu,
        gregkh@...uxfoundation.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: bdi: fix use-after-free for dev_name(bdi->dev)

On Thu, Apr 16, 2020 at 09:29:13AM -0600, Jens Axboe wrote:
> On 4/16/20 1:15 AM, Christoph Hellwig wrote:
> > Hi all,
> > 
> > the first three patches are my take on the proposal from Yufen Yu
> > to fix the use after free of the device name of the bdi device.
> > 
> > The rest is vaguely related cleanups.
> 
> Applied, thanks.

Please hold back, we still have a major issues with it.  I will resend
a fixed version tomorrow.