Re: [PATCH] PM / OPP: Use snprintf() instead of sprintf()

[Geert Uytterhoeven]

On Tue, Jan 5, 2016 at 11:45 AM, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> sprintf() can access memory outside of the range of the character array,
> and is risky in some situations. The driver specified prop_name string
> can be longer than NAME_MAX here (only an attacker will do that though)
> and so blindly copying it into the character array of size NAME_MAX
> isn't safe. Instead we must use snprintf() here.

Thanks!

> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

Acked-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

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
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