linux-kernel - Re: [RFC] c/r: prctl: Add ability to set new mm_struct::exe

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Message-ID: <20120308221252.GQ21812@moon>
Date:	Fri, 9 Mar 2012 02:12:52 +0400
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Kees Cook <keescook@...omium.org>
Cc:	Andy Lutomirski <luto@...capital.net>,
	Oleg Nesterov <oleg@...hat.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Will Drewry <wad@...omium.org>
Subject: Re: [RFC] c/r: prctl: Add ability to set new mm_struct::exe_file v3

On Thu, Mar 08, 2012 at 02:03:13PM -0800, Kees Cook wrote:
> 
> How about "file_is_exec" instead, since it doesn't (and likely
> shouldn't) include the inode_permission(..., EXEC)? I'd like other
> people's thoughts on this since maybe it's not needed and I instead
> have accidentally derailed this patch with useless bike shedding.
> 

Yup. Anyway, I'm leaving the former mm_struct::exe_file patch with
EXEC test opencoded so we can do everything on top then.

	Cyrill
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