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

[Damien Le Moal]

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@xxxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>

Reviewed-by: Damien Le Moal <dlemoal@xxxxxxxxxx>


-- 
Damien Le Moal
Western Digital Research