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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