linux-kernel - Re: [klibc] process '/usr/bin/rsync' started with executable stack

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Message-ID: <202006251458.91D1E27A@keescook>
Date:   Thu, 25 Jun 2020 15:01:31 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Thorsten Glaser <tg@...ian.org>
Cc:     Dan Carpenter <dan.carpenter@...cle.com>,
        Ben Hutchings <ben@...adent.org.uk>,
        Christian Kujau <lists@...dbynature.de>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Willy Tarreau <w@....eu>, linux-kernel@...r.kernel.org,
        klibc@...ts.zytor.com, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [klibc] process '/usr/bin/rsync' started with executable stack

On Thu, Jun 25, 2020 at 09:16:10PM +0000, Thorsten Glaser wrote:
> Kees Cook dixit:
> 
> >3) fix the use of trampolines in klibc
> 
> AIUI done in klibc, but post-2.0.7

Ah-ha, I see it. Ben got it fixed in Feb. :)

https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=9d8d648e604026b32cad00a84ed6c29cbd157641

I don't see it in Debian? I remain confused, but there's hope!
https://salsa.debian.org/kernel-team/klibc/-/commits/master

-- 
Kees Cook