Re: [PATCH] dma: stm32: replace "%p" with "%pK"

[Benjamin Gaignard]

2018-07-06 21:38 GMT+02:00 Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>:
> Hi Benjamin,
>
> On Fri, Jul 6, 2018 at 3:03 PM Benjamin Gaignard
> <benjamin.gaignard@xxxxxxxxxx> wrote:
>> The format specifier "%p" can leak kernel addresses.
>> Use "%pK" instead.
>
> Still? Isn't the value randomized these days?

%p give an hashed value, with %pK you can use a sysctl to get the real
value if you are root

>
> 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



-- 
Benjamin Gaignard

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