linux-kernel - Re: [PATCH -mm] c/r: prctl: Return -EFAULT instead of -EINVAL in case if underlied VMA is not found

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Message-ID: <CAGXu5jKEaBUrF8RH+tosVZrf-qPetTPaMLNUqq2xKGaV6YrbEw@mail.gmail.com>
Date:	Tue, 24 Apr 2012 13:27:19 -0700
From:	Kees Cook <keescook@...omium.org>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	KOSAKI Motohiro <kosaki.motohiro@...il.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Tejun Heo <tj@...nel.org>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	MEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [PATCH -mm] c/r: prctl: Return -EFAULT instead of -EINVAL in case
 if underlied VMA is not found

On Tue, Apr 24, 2012 at 1:08 PM, Cyrill Gorcunov <gorcunov@...nvz.org> wrote:
> In case if underlied VMA is not found prctl_set_mm will return -EINVAL,
> but Michael proposed to return -EFAULT and Kosaki seconded.
> Make it so.
>
> Reported-by: "Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
> Signed-off-by: Cyrill Gorcunov <gorcunov@...nvz.org>

Acked-by: Kees Cook <keescook@...omium.org>

-Kees

-- 
Kees Cook
Chrome OS Security
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