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

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Message-Id: <20230628170734.2960-1-min15.li@samsung.com>
Date:   Wed, 28 Jun 2023 17:07:34 +0000
From:   Min Li <min15.li@...sung.com>
To:     hch@....de
Cc:     axboe@...nel.dk, dlemoal@...nel.org, gregkh@...uxfoundation.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        min15.li@...sung.com, stable@...nel.org, willy@...radead.org
Subject: Re: [PATCH v3] block: add check that partition length needs to be
 aligned with block size

On Mon, Jun 28, 2023 at 04:48:36PM +0000, Christoph Hellwig  wrote: 
> They are long long in the UAPI, which is weird but has been that way
> for a long time.  So I think we need checks for negative values
> before they are shifted and converted to a sector_t.

Do you mean that we need to check if p.start and p.length are negative?

Thanks for your reply

Min li