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

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Date:   Tue, 8 Aug 2023 14:20:06 -0500
From:   Larry Finger <Larry.Finger@...inger.net>
To:     Kees Cook <keescook@...omium.org>,
        Hans de Goede <hdegoede@...hat.com>
Cc:     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 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?

Larry