From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
stable@vger.kernel.org,
syzbot+825f0f9657d4e528046e@syzkaller.appspotmail.com
Subject: Re: [PATCH] block: fix use-after-free in disk_part_iter_next
Date: Tue, 5 Jan 2021 08:51:31 +0100 [thread overview]
Message-ID: <20210105075131.GA30262@lst.de> (raw)
In-Reply-To: <20201221043335.2831589-1-ming.lei@redhat.com>
On Mon, Dec 21, 2020 at 12:33:35PM +0800, Ming Lei wrote:
> Make sure that bdgrab() is done on the 'block_device' instance before
> referring to it for avoiding use-after-free.
>
> Cc: <stable@vger.kernel.org>
> Reported-by: syzbot+825f0f9657d4e528046e@syzkaller.appspotmail.com
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2021-01-05 7:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-21 4:33 [PATCH] block: fix use-after-free in disk_part_iter_next Ming Lei
2021-01-05 7:51 ` Christoph Hellwig [this message]
2021-01-05 18:35 ` Jens Axboe
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