linux-kernel - Re: [PATCH v10 00/26] Control-flow Enforcement: Shadow Stack

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Message-ID: <a1e7c71c72de517a288e6273ba0c18dac2e937bc.camel@intel.com>
Date:   Thu, 21 May 2020 08:57:57 -0700
From:   Yu-cheng Yu <yu-cheng.yu@...el.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     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>
Subject: Re: [PATCH v10 00/26] Control-flow Enforcement: Shadow Stack

On Thu, 2020-05-21 at 10:15 -0500, Josh Poimboeuf wrote:
> On Wed, Apr 29, 2020 at 03:07:06PM -0700, Yu-cheng Yu wrote:
> > Control-flow Enforcement (CET) is a new Intel processor feature that blocks
> > return/jump-oriented programming attacks.  Details can be found in "Intel
> > 64 and IA-32 Architectures Software Developer's Manual" [1].
> > 
> > This series depends on the XSAVES supervisor state series that was split
> > out and submitted earlier [2].
> > 
> > I have gone through previous comments, and hope all concerns have been
> > resolved now.  Please inform me if anything is overlooked.
> > 
> > Changes in v10:
> 
> Hi Yu-cheng,
> 
> Do you have a git branch with the latest Shadow Stack and IBT branches
> applied?  I tried to apply IBT v9 on top of this, but I guess the SS
> code has changed since then and it didn't apply cleanly.

It is here:

https://github.com/yyu168/linux_cet/commits/cet

Yu-cheng