linux-hardening - Re: [PATCH v9 00/15] Function Granular KASLR

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Date:   Thu, 23 Dec 2021 16:40:36 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Alexander Lobakin <alexandr.lobakin@...el.com>
Cc:     linux-hardening@...r.kernel.org, x86@...nel.org,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Kristen Carlson Accardi <kristen@...ux.intel.com>,
        Kees Cook <keescook@...omium.org>,
        Miklos Szeredi <miklos@...redi.hu>,
        Ard Biesheuvel <ardb@...nel.org>,
        Tony Luck <tony.luck@...el.com>,
        Bruce Schlobohm <bruce.schlobohm@...el.com>,
        Jessica Yu <jeyu@...nel.org>,
        kernel test robot <lkp@...el.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Evgenii Shatokhin <eshatokhin@...tuozzo.com>,
        Jonathan Corbet <corbet@....net>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Will Deacon <will@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Marios Pomonis <pomonis@...gle.com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        "H.J. Lu" <hjl.tools@...il.com>, Nicolas Pitre <nico@...xnic.net>,
        Andy Lavr <andy.lavr@...il.com>, linux-kernel@...r.kernel.org,
        linux-kbuild@...r.kernel.org, linux-arch@...r.kernel.org,
        live-patching@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH v9 00/15] Function Granular KASLR

On Thu, Dec 23, 2021 at 04:15:04PM +0100, Alexander Lobakin wrote:
> From: Alexander Lobakin <alexandr.lobakin@...el.com>
> Date: Thu, 23 Dec 2021 01:21:54 +0100
> 
> > This is a massive rework and a respin of Kristen Accardi's marvellous
> > FG-KASLR series (v5).
> 
> [ snip ]
> 
> > The series is also available here: [3]
> 
> As per request, I've published a version rebased ontop of
> linux-next-20211223 here: [4].
> 
> During the rebasing, I saw that some ASM code conflicts with, I
> guess, Peter's "execute past ret" mitigation.
> So I would also like to ask you to give me a branch which I should
> pick to base my series on top of. There's a bunch of different x86
> branches, like several in peterz-queue, x86/core etc., so I got lost
> a little.
> The one posted yesterday was based on the mainline 5.16-rc6.

For anything tip related, tip/master isn't a bad target. I did two asm
related x86 series, both are in tip/x86/core I think (/me checks, yep).

Never base anything of my queue.git, that's all throw-away/staging
stuff. Either it lives and goes on into tip or not :-)