linux-kernel - Re: [PATCH v17 00/26] Control-flow Enforcement: Shadow Stack

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Message-ID: <0a475c4c-58b0-0da7-8889-a0dbbc7d0fdc@intel.com>
Date:   Mon, 4 Jan 2021 12:08:27 -0800
From:   "Yu, Yu-cheng" <yu-cheng.yu@...el.com>
To:     x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-mm@...ck.org,
        linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Andy Lutomirski <luto@...nel.org>,
        Balbir Singh <bsingharora@...il.com>,
        Borislav Petkov <bp@...en8.de>,
        Cyrill Gorcunov <gorcunov@...il.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Eugene Syromiatnikov <esyr@...hat.com>,
        Florian Weimer <fweimer@...hat.com>,
        "H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Kees Cook <keescook@...omium.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Nadav Amit <nadav.amit@...il.com>,
        Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>,
        Peter Zijlstra <peterz@...radead.org>,
        Randy Dunlap <rdunlap@...radead.org>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>,
        Dave Martin <Dave.Martin@....com>,
        Weijiang Yang <weijiang.yang@...el.com>,
        Pengfei Xu <pengfei.xu@...el.com>, x86-patch-review@...el.com,
        "Schlobohm, Bruce" <bruce.schlobohm@...el.com>
Subject: Re: [PATCH v17 00/26] Control-flow Enforcement: Shadow Stack

On 12/29/2020 1:30 PM, Yu-cheng Yu wrote:
> Control-flow Enforcement (CET) is a new Intel processor feature that blocks
> return/jump-oriented programming attacks.  Details are in "Intel 64 and
> IA-32 Architectures Software Developer's Manual" [1].
> 
> CET can protect applications and the kernel.  This series enables only
> application-level protection, and has three parts:
> 
>    - Shadow stack [2],
>    - Indirect branch tracking [3], and
>    - Selftests [4].
> 
> I have run tests on these patches for quite some time, and they have been
> very stable.  Linux distributions with CET are available now, and Intel
> processors with CET are already on the market.  It would be nice if CET
> support can be accepted into the kernel.  I will be working to address any
> issues should they come up.
> 
> Changes in v17:
> - Rebase to v5.11-rc1.

Hi Reviewers,

After a few revisions/re-bases, I have dropped some Reviewed-by tags. 
This revision is only a re-base to the latest Linus tree.  Please kindly 
comment if there are anything still not resolved, and I appreciate very 
much Reviewed-by/Acked-by tags to satisfactory patches.

--
Thanks,
Yu-cheng