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Message-Id: <20180327183419.8610a85f4ef90c68e157c5a9@linux-foundation.org>
Date: Tue, 27 Mar 2018 18:34:19 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Kees Cook <keescook@...omium.org>
Cc: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>, LKML
<linux-kernel@...r.kernel.org>, Kernel Hardening
<kernel-hardening@...ts.openwall.com>
Subject: Re: [PATCH] task_struct: Only use anon struct under randstruct
plugin
On Tue, 27 Mar 2018 17:30:47 -0700 Kees Cook <keescook@...omium.org> wrote:
> On Tue, Mar 27, 2018 at 4:03 PM, Andrew Morton
> <akpm@...ux-foundation.org> wrote:
> > On Tue, 27 Mar 2018 14:36:09 -0700 Kees Cook <keescook@...omium.org> wrote:
> >> Reported-by: Peter Zijlstra <peterz@...radead.org>
> >> Fixes: 29e48ce87f1e ("task_struct: Allow randomized")
> >> Cc: stable@...r.kernel.org
> >
> > Why cc:stable?
>
> Since the padding existed in all configs, it's kind of an ugly wart
> and should likely be fixed up for 4.14 and 4.15 -stable.
That didn't tell us much :(
Documentation/process/stable-kernel-rules.rst doesn't mention "ugly
wart".
I think what you're hearing here is that this patch needs a better
changelog, please. Not an uncommon failing, sigh. A better
explanation of the origins of this padding and a better explanation of
the reasons for backporting the fix.
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