linux-kernel - Re: [PATCH] proc: add "personality" to process status file

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Message-ID: <20081004214034.GA13129@x200.localdomain>
Date:	Sun, 5 Oct 2008 01:40:34 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Kees Cook <kees.cook@...onical.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] proc: add "personality" to process status file

On Thu, Oct 02, 2008 at 02:14:24PM -0700, Kees Cook wrote:
> There is no sane way to query the personality flags of arbitrary process
> from userspace.  This adds the flags to the /proc/$pid/status file.
> For example, to detect READ_IMPLIES_EXEC:
> 
> $ ./32bit-sleeper &
> [1] 6732
> $ grep ^Pers /proc/6732/status
> Personality:    00000000
> $ execstack -s 32bit-sleeper
> $ ./32bit-slepper &
> [2] 6735
> $ grep ^Pers /proc/6735/status
> Personality:    00040000

Applied to proc.git without unrelated sched.h commentary :-)
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