linux-kernel - Re: [RFC v3] crypto: ccree - protect against short scatterlists

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Message-ID: <CAMuHMdVFcsS9K=7+LfT_Tmmpz4LMS69=+EO+8_BkJoXCOfPzPA@mail.gmail.com>
Date:   Mon, 27 Jan 2020 16:22:53 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Gilad Ben-Yossef <gilad@...yossef.com>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Ofir Drang <ofir.drang@....com>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [RFC v3] crypto: ccree - protect against short scatterlists

Hi Gilad,

On Mon, Jan 27, 2020 at 4:08 PM Gilad Ben-Yossef <gilad@...yossef.com> wrote:
> Deal gracefully with the event of being handed a scatterlist
> which is shorter than expected.
>
> This mitigates a crash in some cases due to
> attempt to map empty (but not NULL) scatterlists with none
> zero lengths.
>
> Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>

Thank you, boots fine on Salvator-XS with R-Car H3ES2.0, and
CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y.

Tested-by: Geert Uytterhoeven <geert+renesas@...der.be>

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds