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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Christoph Hellwig <hch@lst.de>,
	yuyufen@huawei.com, tj@kernel.org, jack@suse.cz,
	bvanassche@acm.org, tytso@mit.edu, gregkh@linuxfoundation.org,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: bdi: fix use-after-free for dev_name(bdi->dev)
Date: Thu, 16 Apr 2020 17:29:46 +0200	[thread overview]
Message-ID: <20200416152946.GA10845@lst.de> (raw)
In-Reply-To: <874d57cb-90f1-db09-8f9d-29527451e241@kernel.dk>

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.

  reply	other threads:[~2020-04-16 15:30 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-16  7:15 bdi: fix use-after-free for dev_name(bdi->dev) Christoph Hellwig
2020-04-16  7:15 ` [PATCH 1/8] bdi: move bdi_dev_name out of line Christoph Hellwig
2020-04-16  7:52   ` Greg KH
2020-04-16 12:32   ` Jan Kara
2020-04-16  7:15 ` [PATCH 2/8] bdi: use bdi_dev_name() to get device name Christoph Hellwig
2020-04-16  7:52   ` Greg KH
2020-04-16  7:15 ` [PATCH 3/8] bdi: add a ->dev_name field to struct backing_dev_info Christoph Hellwig
2020-04-16  7:52   ` Greg KH
2020-04-16  8:34   ` Yufen Yu
2020-04-16 12:02     ` Jan Kara
2020-04-16 12:19       ` Christoph Hellwig
2020-04-16 12:22         ` Christoph Hellwig
2020-04-16 12:31           ` Jan Kara
2020-04-16  7:15 ` [PATCH 4/8] driver core: remove device_create_vargs Christoph Hellwig
2020-04-16  7:52   ` Greg KH
2020-04-16  7:15 ` [PATCH 5/8] bdi: unexport bdi_register_va Christoph Hellwig
2020-04-16  7:53   ` Greg KH
2020-04-16 12:03   ` Jan Kara
2020-04-16  7:15 ` [PATCH 6/8] bdi: remove bdi_register_owner Christoph Hellwig
2020-04-16  7:53   ` Greg KH
2020-04-16 12:05   ` Jan Kara
2020-04-16  7:15 ` [PATCH 7/8] bdi: simplify bdi_alloc Christoph Hellwig
2020-04-16  7:54   ` Greg KH
2020-04-16 12:06   ` Jan Kara
2020-04-16  7:15 ` [PATCH 8/8] bdi: remove the name field in struct backing_dev_info Christoph Hellwig
2020-04-16  7:54   ` Greg KH
2020-04-16 12:23   ` Jan Kara
2020-04-16 15:29 ` bdi: fix use-after-free for dev_name(bdi->dev) Jens Axboe
2020-04-16 15:29   ` Christoph Hellwig [this message]
2020-04-16 15:30     ` Jens Axboe

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