Re: [PATCH] mmc: dw_mmc-k3: Fix out-of-bounds access through DT alias

From: Geert Uytterhoeven
Date: Tue Feb 20 2018 - 05:50:48 EST


On Tue, Feb 20, 2018 at 10:03 AM, Geert Uytterhoeven
<geert+renesas@xxxxxxxxx> wrote:
> The hs_timing_cfg[] array is indexed using a value derived from the
> "mshcN" alias in DT, which may lead to an out-of-bounds access.
>
> Fix this by adding a range check.
>
> Fixes: 7d92895208a008a2 ("mmc: dw_mmc-k3: Fix out-of-bounds access through DT alias")

Oops

Fixes: 361c7fe9b02eee7e ("mmc: dw_mmc-k3: add sd support for hi3660")

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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