linux-kernel - Re: [PATCH] rsi: Remove stack VLA usage

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Message-ID: <20180311210024.GF16734@eros>
Date:   Mon, 12 Mar 2018 08:00:24 +1100
From:   "Tobin C. Harding" <me@...in.cc>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     kernel-hardening@...ts.openwall.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Tycho Andersen <tycho@...ho.ws>,
        Kees Cook <keescook@...omium.org>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: Re: [PATCH] rsi: Remove stack VLA usage

On Fri, Mar 09, 2018 at 12:37:06PM +0200, Kalle Valo wrote:
> "Tobin C. Harding" <me@...in.cc> writes:
> 
> > The kernel would like to have all stack VLA usage removed[1].  rsi uses
> > a VLA based on 'blksize'.  Elsewhere in the SDIO code maximum block size
> > is defined using a magic number.  We can use a pre-processor defined
> > constant and declare the array to maximum size.  We add a check before
> > accessing the array in case of programmer error.
> >
> > [1]: https://lkml.org/lkml/2018/3/7/621
> >
> > Signed-off-by: Tobin C. Harding <me@...in.cc>
> 
> Please CC linux-wireless list, otherwise patchwork won't see the patch
> and I can't apply it.

No worries Kelle can do, will repost as [RESEND]

thanks,
Tobin.