linux-kernel - Re: [PATCH v2 1/1] x86/Makefile: make -stack-alignment conditional on LLD

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAKwvOdmYVH-YpEVqdoBfvgNfcbzx71jU_27cuhuzTJ6_Emzi-g@mail.gmail.com>
Date:   Thu, 10 Jun 2021 15:58:57 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Kees Cook <keescook@...omium.org>
Cc:     Nathan Chancellor <nathan@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        Tor Vic <torvic9@...lbox.org>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "x86@...nel.org" <x86@...nel.org>,
        "clang-built-linux@...glegroups.com" 
        <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH v2 1/1] x86/Makefile: make -stack-alignment conditional on
 LLD < 13.0.0

On Thu, Jun 10, 2021 at 3:50 PM Kees Cook <keescook@...omium.org> wrote:
>
> On Thu, 10 Jun 2021 20:58:06 +0000, Tor Vic wrote:
> > Since LLVM commit 3787ee4, the '-stack-alignment' flag has been dropped
> > [1], leading to the following error message when building a LTO kernel
> > with Clang-13 and LLD-13:
> >
> >     ld.lld: error: -plugin-opt=-: ld.lld: Unknown command line argument
> >     '-stack-alignment=8'.  Try 'ld.lld --help'
> >     ld.lld: Did you mean '--stackrealign=8'?
> >
> > [...]
>
> Applied to for-next/clang/features, thanks!
>
> [1/1] x86/Makefile: make -stack-alignment conditional on LLD < 13.0.0
>       https://git.kernel.org/kees/c/e6c00f0b33ad

Can we get this into 5.13?
-- 
Thanks,
~Nick Desaulniers