Re: [PATCH v3] block: add check that partition length needs to be aligned with block size

[Damien Le Moal]

On 6/28/23 22:09, Min Li wrote:
> Before calling add partition or resize partition, there is no check
> on whether the length is aligned with the logical block size.
> If the logical block size of the disk is larger than 512 bytes,
> then the partition size maybe not the multiple of the logical block size,
> and when the last sector is read, bio_truncate() will adjust the bio size,
> resulting in an IO error if the size of the read command is smaller than
> the logical block size.If integrity data is supported, this will also
> result in a null pointer dereference when calling bio_integrity_free.
> 
> Signed-off-by: Min Li <min15.li@xxxxxxxxxxx>

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


-- 
Damien Le Moal
Western Digital Research