linux-kernel - Re: [RFC PATCH v3 00/24] Control Flow Enforcement: Shadow Stack

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: <20180902081350.GF28695@350D>
Date:   Sun, 2 Sep 2018 18:13:50 +1000
From:   Balbir Singh <bsingharora@...il.com>
To:     Yu-cheng Yu <yu-cheng.yu@...el.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@...capital.net>,
        Cyrill Gorcunov <gorcunov@...il.com>,
        Dave Hansen <dave.hansen@...ux.intel.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@...omiun.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>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>
Subject: Re: [RFC PATCH v3 00/24] Control Flow Enforcement: Shadow Stack

On Thu, Aug 30, 2018 at 07:38:40AM -0700, Yu-cheng Yu wrote:
> The previous version of CET patches can be found in the following
> link.
> 
>   https://lkml.org/lkml/2018/7/10/1031
> 
> Summary of changes from v2:
> 
>   Move Shadow Stack page fault handling logic to arch/x86.
>   Update can_follow_write_pte/pmd; move logic to arch/x86.
>   Fix problems in WRUSS in-line assembly.
>   Fix issues in ELF parser.
>   Split out IBT/PTRACE patches to a second set.
>   Other small fixes.
>

Quick question -- is there a simulator or some other way you've
been testing this? Just curious, if it's possible to run these
patches or just a review and internal hardware/simulator where
they are run and posted

Balbir Singh.