linux-kernel - Re: [PATCH v7 00/14] x86/alternative: text

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: <20181206100337.GF13538@hirez.programming.kicks-ass.net>
Date:   Thu, 6 Dec 2018 11:03:37 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Nadav Amit <namit@...are.com>
Cc:     Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        Nadav Amit <nadav.amit@...il.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux_dti@...oud.com, linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH v7 00/14] x86/alternative: text_poke() enhancements

On Tue, Dec 04, 2018 at 05:33:54PM -0800, Nadav Amit wrote:
> Which leads me to (b) - the patch-set is big "enough" IMHO. Indeed,
> there are open security issues in the kernel when it comes to W^X.  But
> some people would want to use Andy's temporary mm-struct for other uses.
> So additional security hardening may be left for future patches.

Yes, at the very least we should get the first 7 patches merged, since
they work and clean up the text poking irrespective of all that W^X
munging.

(also, I think you lost my ACK)