linux-kernel - Re: [PATCH v7 0/5] Warn on orphan section placement

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Date:   Wed, 2 Sep 2020 12:04:33 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Ingo Molnar <mingo@...nel.org>, Borislav Petkov <bp@...e.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Mark Rutland <mark.rutland@....com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Peter Collingbourne <pcc@...gle.com>,
        James Morse <james.morse@....com>,
        Ingo Molnar <mingo@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Nathan Chancellor <natechancellor@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        linux-arch <linux-arch@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 0/5] Warn on orphan section placement

On Tue, Sep 1, 2020 at 7:53 PM Kees Cook <keescook@...omium.org> wrote:
>
> Hi Ingo,
>
> The ever-shortening series. ;) Here is "v7", which is just the remaining
> Makefile changes to enable orphan section warnings, now updated to
> include ld-option calls.
>
> Thanks for getting this all into -tip!

For the series,
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

As the recent ppc vdso boogaloo exposed, what about the vdsos?
* arch/x86/entry/vdso/Makefile
* arch/arm/vdso/Makefile
* arch/arm64/kernel/vdso/Makefile
* arch/arm64/kernel/vdso32/Makefile

>
> -Kees
>
> v6: https://lore.kernel.org/lkml/20200821194310.3089815-1-keescook@chromium.org/
> v5: https://lore.kernel.org/lkml/20200731230820.1742553-1-keescook@chromium.org/
> v4: https://lore.kernel.org/lkml/20200629061840.4065483-1-keescook@chromium.org/
> v3: https://lore.kernel.org/lkml/20200624014940.1204448-1-keescook@chromium.org/
> v2: https://lore.kernel.org/lkml/20200622205815.2988115-1-keescook@chromium.org/
> v1: https://lore.kernel.org/lkml/20200228002244.15240-1-keescook@chromium.org/
>
> Kees Cook (5):
>   arm64/build: Warn on orphan section placement
>   arm/build: Warn on orphan section placement
>   arm/boot: Warn on orphan section placement
>   x86/build: Warn on orphan section placement
>   x86/boot/compressed: Warn on orphan section placement
>
>  arch/arm/Makefile                 | 4 ++++
>  arch/arm/boot/compressed/Makefile | 2 ++
>  arch/arm64/Makefile               | 4 ++++
>  arch/x86/Makefile                 | 4 ++++
>  arch/x86/boot/compressed/Makefile | 1 +
>  5 files changed, 15 insertions(+)
>
> --
> 2.25.1
>


-- 
Thanks,
~Nick Desaulniers