linux-kernel - Re: [PATCH v3] ARM: smp: add support for per-task stack canaries

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: <CAGXu5j+FzZ7FuhLvfR6Lm_d7dN2Pc3qn7xaqV6HLp6xtGy+kGg@mail.gmail.com>
Date:   Wed, 12 Dec 2018 13:26:26 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Russell King <linux@...linux.org.uk>
Cc:     kbuild test robot <lkp@...el.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>, kbuild-all@...org,
        LKML <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Emese Revfy <re.emese@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Laura Abbott <labbott@...hat.com>,
        Kernel Hardening <kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH v3] ARM: smp: add support for per-task stack canaries

On Mon, Dec 10, 2018 at 2:34 PM Kees Cook <keescook@...omium.org> wrote:
>
> On Sun, Dec 9, 2018 at 2:38 AM Russell King - ARM Linux
> <linux@...linux.org.uk> wrote:
> >
> > On Sun, Dec 09, 2018 at 06:28:11PM +0800, kbuild test robot wrote:
> > > Hi Ard,
> > >
> > > I love your patch! Perhaps something to improve:
> >
> > Hi,
> >
> > This looks to me like a false warning - how can a patch touching arch
> > code affect the result of lib/test_ubsan.c?  Please can you double-
> > check this result?
>
> Yeah, no idea. Do you want me to toss this into the ARM patch queue?
> If not, I can this through the gcc-plugin tree.

Since the ARM changes are relatively small, and it adds a new plugin,
I'll take this via the gcc-plugins tree for -next now. Please yell if
this should be done differently.

Thanks!

-- 
Kees Cook