2023-06-19 01:59:29

by Damien Le Moal

[permalink] [raw]
Subject: Re: [PATCH v4] block: add capacity validation in bdev_add_partition()

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 <[email protected]>
> Reviewed-by: Christoph Hellwig <[email protected]>

Reviewed-by: Damien Le Moal <[email protected]>


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Damien Le Moal
Western Digital Research