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Date: Sat, 11 Feb 2017 10:23:16 +0100 (CET)
From: Thomas Gleixner <tglx@...utronix.de>
To: John Stultz <john.stultz@...aro.org>
cc: Jess Frazelle <me@...sfraz.com>, Rik van Riel <riel@...hat.com>,
open list <linux-kernel@...r.kernel.org>,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v2 2/5] time: mark syscore_ops as __ro_after_init
On Fri, 10 Feb 2017, John Stultz wrote:
> On Fri, Feb 10, 2017 at 5:37 PM, Jess Frazelle <me@...sfraz.com> wrote:
> > Marked syscore_ops structs as __ro_after_init when register_syscore_ops was
> > called only during init. Most of the caller functions were already annotated as
> > __init.
> > unregister_syscore_ops() was never called on these ops.
> > This protects the data structure from accidental corruption.
> >
> > Suggested-by: Kees Cook <keescook@...omium.org>
> > Signed-off-by: Jess Frazelle <me@...sfraz.com>
> > Acked-by: Rik van Riel <riel@...hat.com>
>
> Thanks for sending this out. Looks reasonable to me. I'll queue it for
> testing, targeting for 4.12.
NAK. See:
http://lkml.kernel.org/r/alpine.DEB.2.20.1702110948030.3734@nanos
Thanks,
tglx
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