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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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