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Date: Mon, 22 Feb 2016 11:31:07 -0800
From: Kees Cook <keescook@...omium.org>
To: "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: Re: [RFC 0/2] format_template attribute
On Thu, Feb 18, 2016 at 3:24 PM, Rasmus Villemoes
<linux@...musvillemoes.dk> wrote:
> I've been sitting on this for a while and would like to get some
> comments; apologies if this is inappropriate for this list. It's also
> a lot of code for not finding any bugs in the current kernel, but I
> guess that's good thing. It's on top of Emese's v2 infrastructure. It
> probably won't build with all gccs; it works for me with gcc 4.9.
Awesome! The existing checks in gcc are far from sufficient. :)
>
> Rasmus Villemoes (2):
> plugins: implement format_template attribute
> compiler.h: add __format_template
>
> arch/Kconfig | 18 ++
> drivers/hwmon/applesmc.c | 2 +-
> drivers/staging/speakup/spk_types.h | 2 +-
> include/linux/compiler.h | 7 +
> include/linux/smpboot.h | 2 +-
> include/linux/usb.h | 2 +-
> scripts/Makefile.gcc-plugins | 4 +
> tools/gcc/Makefile | 2 +
> tools/gcc/format_template.c | 331 ++++++++++++++++++++++++++++++++++++
> 9 files changed, 366 insertions(+), 4 deletions(-)
> create mode 100644 tools/gcc/format_template.c
>
> --
> 2.1.4
>
I wonder if we need something in Documention to explain this, along
with our existing __printf markings?
-Kees
--
Kees Cook
Chrome OS & Brillo Security
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