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Date: Tue, 4 Nov 2008 13:00:50 +0300
From: Alexey Dobriyan <adobriyan@gmail.com>
To: Vegard Nossum <vegard.nossum@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
       Al Viro <viro@zeniv.linux.org.uk>,
       "Koyama, Yoshiya" <Yoshiya.Koyama@hp.com>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, Ingo Molnar <mingo@elte.hu>,
       Pekka Enberg <penberg@cs.helsinki.fi>,
       LKML <linux-kernel@vger.kernel.org>, Greg KH <greg@kroah.com>,
       Kay Sievers <kay.sievers@vrfy.org>, linux-fsdevel@vger.kernel.org
Subject: Re: v2.6.28-rc1: readlink /proc/*/exe returns uninitialized data
	to userspace
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References: <19f34abd0810251014s7968557br38e43aa0b9cdcf09@mail.gmail.com> <200810252241.53601.rjw@sisk.pl> <m163nggvhq.fsf@frodo.ebiederm.org> <19f34abd0810261408w61b1e2dbvb9a0e16ce5a10022@mail.gmail.com> <19f34abd0811040139t8334502i7a5d8501c5fe95ac@mail.gmail.com>
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On Tue, Nov 04, 2008 at 10:39:19AM +0100, Vegard Nossum wrote:
> # uname -a
> Linux ubuntu 2.6.28-rc2-next-20081031 #60 SMP Sat Nov 1 13:19:49 CET
> 2008 i686 GNU/Linux
> # prelink -mRf /sbin/udevd
> # ./a.out /proc/4764/exe
> warning: /proc/4764/exe: got return value 38, expected 11
> 2f7362696e2f756465766400fffffffffdfffffffffffff7ffffbfff202864656c6574656429
> /sbin/udevd                  (deleted)

reproduced

As I said previously, kmemcheck rocks (slowly). :-)