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Message-ID: <20170528045522.GB5045@infradead.org>
Date: Sat, 27 May 2017 21:55:22 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Kees Cook <keescook@...omium.org>
Cc: Christoph Hellwig <hch@...radead.org>,
"kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>,
Laura Abbott <labbott@...hat.com>,
"x86@...nel.org" <x86@...nel.org>,
LKML <linux-kernel@...r.kernel.org>,
Bob Moore <robert.moore@...el.com>, Lv Zheng <lv.zheng@...el.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH v2 11/20] randstruct: Disable randomization of ACPICA
structs
On Sat, May 27, 2017 at 01:03:23PM -0700, Kees Cook wrote:
> On Sat, May 27, 2017 at 1:42 AM, Christoph Hellwig <hch@...radead.org> wrote:
> > On Fri, May 26, 2017 at 01:17:15PM -0700, Kees Cook wrote:
> >> Since the ACPICA source is maintained externally to the kernel, we can
> >> neither switch it to designated initializers nor mark it
> >> __no_randomize_layout. Until ACPICA-upstream changes[1] land to handle the
> >> designated initialization, explicitly skip it in the plugin.
> >>
> >> [1] https://github.com/acpica/acpica/pull/248
> >
> > I'd just overried the ACPIA bullshit process and just include these
> > changes, as they are a major improvement independent of any
> > reandomization.
>
> Well... I'd rather not. It's been explicitly NAKed by them already,
> which is why I sent the upstream solution (though it's being ignored
> currently).
Send it to linux-keernel again and we'll override their bulllshit.
We can make exceptions from our coding style and preference just because
they are idiots. And the whole ACPI mess needs urgent de-obsfucation
anyway.
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