linux-hardening - Re: [PATCH] vboxsf: Use flexible arrays for trailing string member

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] [day] [month] [year] [list]

Date:   Tue, 8 Aug 2023 14:01:55 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Larry Finger <Larry.Finger@...inger.net>
Cc:     Hans de Goede <hdegoede@...hat.com>, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] vboxsf: Use flexible arrays for trailing string member

On Tue, Aug 08, 2023 at 02:20:06PM -0500, Larry Finger wrote:
> On 7/26/23 16:55, Kees Cook wrote:
> > 
> > On Thu, 20 Jul 2023 08:15:06 -0700, Kees Cook wrote:
> > > The declaration of struct shfl_string used trailing fake flexible arrays
> > > for the string member. This was tripping FORTIFY_SOURCE since commit
> > > df8fc4e934c1 ("kbuild: Enable -fstrict-flex-arrays=3"). Replace the
> > > utf8 and utf16 members with actual flexible arrays, drop the unused ucs2
> > > member, and retriain a 2 byte padding to keep the structure size the same.
> > > 
> > > 
> > > [...]
> > 
> > Applied to for-linus/hardening, thanks!
> > 
> > [1/1] vboxsf: Use flexible arrays for trailing string member
> >        https://git.kernel.org/kees/c/a8f014ec6a21
> 
> Kees,
> 
> This patch has not been applied to kernel 6.5-rc5. Is there some problem?

Hi! Sorry, I was waiting for linux-next testing, and then got distracted
on Friday. I will send the PR to Linus today.

Thanks for the poke!

-Kees

-- 
Kees Cook