From: Damien Le Moal <dlemoal@kernel.org>
To: Min Li <min15.li@samsung.com>,
axboe@kernel.dk, willy@infradead.org, hch@lst.de,
gregkh@linuxfoundation.org, wsa@kernel.org, vkoul@kernel.org
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] block: add capacity validation in bdev_add_partition()
Date: Mon, 19 Jun 2023 10:20:53 +0900 [thread overview]
Message-ID: <da21ac06-666f-01f1-fa8d-f660a83a9182@kernel.org> (raw)
In-Reply-To: <20230619091214.31615-1-min15.li@samsung.com>
On 6/19/23 18:12, Min Li wrote:
> In the function bdev_add_partition(),there is no check that the start
> and end sectors exceed the size of the disk before calling add_partition.
> When we call the block's ioctl interface directly to add a partition,
> and the capacity of the disk is set to 0 by driver,the command will
> continue to execute.
>
> Signed-off-by: Min Li <min15.li@samsung.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
--
Damien Le Moal
Western Digital Research
next prev parent reply other threads:[~2023-06-19 1:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20230619011354epcas5p32c094e0c9bcd1ec2184c66a5f8be3268@epcas5p3.samsung.com>
2023-06-19 9:12 ` Min Li
2023-06-19 1:20 ` Damien Le Moal [this message]
2023-06-20 18:51 ` Jens Axboe
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