From: Alexey Dobriyan <adobriyan@gmail.com>
To: Kees Cook <kees.cook@canonical.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] proc: add "personality" to process status file
Date: Sun, 5 Oct 2008 01:40:34 +0400 [thread overview]
Message-ID: <20081004214034.GA13129@x200.localdomain> (raw)
In-Reply-To: <20081002211424.GJ10632@outflux.net>
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 :-)
next prev parent reply other threads:[~2008-10-04 21:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-02 21:14 Kees Cook
2008-10-02 22:46 ` Randy.Dunlap
2008-10-02 22:56 ` Kees Cook
2008-10-04 21:40 ` Alexey Dobriyan [this message]
2008-10-04 21:51 ` Arjan van de Ven
2008-10-04 22:02 ` Kees Cook
2008-10-04 23:42 ` Arjan van de Ven
2008-10-05 0:42 ` Kees Cook
2008-10-05 0:48 ` Arjan van de Ven
2008-10-05 9:11 ` Alexey Dobriyan
2008-10-05 10:07 ` Kees Cook
2008-10-05 10:14 ` [PATCH v2] proc: show personality via /proc/pid/personality Kees Cook
2008-10-05 23:20 ` Alexey Dobriyan
2008-10-07 13:39 ` Michael Kerrisk
2008-10-07 16:14 ` Kees Cook
2008-10-08 2:45 ` Michael Kerrisk
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