linux-kernel - Re: [PATCH] fs/proc: Add process text segment md5-summing

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Message-ID: <50A2E193.5090905@xdin.com>
Date:	Wed, 14 Nov 2012 00:11:01 +0000
From:	Arvid Brodin <Arvid.Brodin@...n.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Cyrill Gorcunov <gorcunov@...nvz.org>,
	"David Rientjes" <rientjes@...gle.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] fs/proc: Add process text segment md5-summing

On 2012-11-13 00:03, Andrew Morton wrote:
> On Mon, 12 Nov 2012 21:36:17 +0000
> Arvid Brodin <Arvid.Brodin@...n.com> wrote:
> 
>> Adds /proc/<pid>/text_md5sum which, when read, calculates an md5sum over
>> the process' text segment. This can detect some cases where the system RAM
>> has been disturbed by e.g. ESD or cosmic radiation (on systems where ECC
>> is not available). It might also detect some accidental or malicious
>> modifications of executables, where the perpetrator has not bothered to
>> cover up the tracks.
> 
> I thought the review comments regarding the earlier patch were rather
> fatal, sorry.

Ok. I get the point now at least. :) Thanks for taking the time to comment
on this!

-- 
Arvid Brodin | Consultant (Linux)
XDIN AB | Knarrarnäsgatan 7 | SE-164 40 Kista | Sweden | xdin.com--
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