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SubjectRe: [PATCH v2 0/3] lib/vsprintf: Hash remaining raw addresses
On Thu, Oct 11, 2018 at 10:42:46AM +0200, Geert Uytterhoeven wrote:
> Hi all,
>
> There are still two format specifiers that print unhanced kernel
> addresses, potentially leaking sensitive information regarding the
> kernel layout in memory.
>
> This patch series fixes this by printing hashed addresses instead.

Looks nice!

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

>
> Changes compared to v1:
> - Get rid of the forward declaration for ptr_to_id(),
> - Add Reviewed-by.
>
> Thanks!
>
> Geert Uytterhoeven (3):
> lib/vsprintf: Prepare for more general use of ptr_to_id()
> lib/vsprintf: Hash legacy clock addresses
> lib/vsprintf: Hash printed address for netdev bits fallback
>
> Documentation/core-api/printk-formats.rst | 5 +-
> lib/vsprintf.c | 216 +++++++++++-----------
> 2 files changed, 110 insertions(+), 111 deletions(-)
>
> --
> 2.17.1
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-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

--
With Best Regards,
Andy Shevchenko


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