linux-kernel - Re: [PATCH v3 0/5] kasan: support alloca, LLVM

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Date:   Sun, 3 Dec 2017 13:24:25 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Paul Lawrence <paullawrence@...gle.com>
Cc:     Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux-MM <linux-mm@...ck.org>,
        "open list:KERNEL BUILD + fi..." <linux-kbuild@...r.kernel.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Michael Davidson <md@...gle.com>,
        Greg Hackmann <ghackmann@...gle.com>
Subject: Re: [PATCH v3 0/5] kasan: support alloca, LLVM

On Fri, Dec 1, 2017 at 10:36 PM, Paul Lawrence <paullawrence@...gle.com> wrote:
> [PATCH v3 1/5] kasan: add compiler support for clang
>   Moved to start of patchset
>
> [PATCH v3 2/5] kasan/Makefile: Support LLVM style asan parameters.
>   Using Andrey's version.
>   Fixed up bug with testing CFLAGS_KASAN_SHADOW
>   Modifed to not output gcc style options on llvm
>
> [PATCH v3 3/5] kasan: support alloca() poisoning
>   Added alloca makefile option here
>   Modified to only unpoison the last block
>
> [PATCH v3 4/5] kasan: Add tests for alloca poisoning
>   No change
>
> [PATCH v3 5/5] kasan: added functions for unpoisoning stack variables
>   No change
>
> Paul Lawrence (5):
>   kasan: add compiler support for clang
>   kasan/Makefile: Support LLVM style asan parameters.
>   kasan: support alloca() poisoning
>   kasan: Add tests for alloca poisonong
>   kasan: added functions for unpoisoning stack variables
>
>  include/linux/compiler-clang.h |  8 +++++++
>  lib/test_kasan.c               | 22 +++++++++++++++++++
>  mm/kasan/kasan.c               | 49 ++++++++++++++++++++++++++++++++++++++++++
>  mm/kasan/kasan.h               |  8 +++++++
>  mm/kasan/report.c              |  4 ++++
>  scripts/Makefile.kasan         | 30 ++++++++++++++++----------
>  6 files changed, 110 insertions(+), 11 deletions(-)


The series looks good to me. Thanks for working on this, we need clang.