From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id B429A9000BD for ; Mon, 19 Sep 2011 15:46:19 -0400 (EDT) Subject: Re: [kernel-hardening] Re: [RFC PATCH 2/2] mm: restrict access to /proc/slabinfo In-Reply-To: Your message of "Mon, 19 Sep 2011 18:46:58 +0400." <20110919144657.GA5928@albatros> From: Valdis.Kletnieks@vt.edu References: <20110910164001.GA2342@albatros> <20110910164134.GA2442@albatros> <20110914192744.GC4529@outflux.net> <20110918170512.GA2351@albatros> <20110919144657.GA5928@albatros> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1316461507_2864P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Mon, 19 Sep 2011 15:45:07 -0400 Message-ID: <14082.1316461507@turing-police.cc.vt.edu> Sender: owner-linux-mm@kvack.org List-ID: To: Vasiliy Kulikov Cc: Pekka Enberg , Andrew Morton , kernel-hardening@lists.openwall.com, Kees Cook , Cyrill Gorcunov , Al Viro , Christoph Lameter , Matt Mackall , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Dan Rosenberg , Theodore Tso , Alan Cox , Jesper Juhl , Linus Torvalds --==_Exmh_1316461507_2864P Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable On Mon, 19 Sep 2011 18:46:58 +0400, Vasiliy Kulikov said: > One note: only to _kernel_ developers. It means it is a strictly > debugging feature, which shouldn't be enabled in the production systems= . Until somebody at vendor support says =22What does 'cat /proc/slabinfo' s= ay?=22 Anybody who thinks that debugging tools should be totally disabled on =22production=22 systems probably hasn't spent enough time actually running production systems. --==_Exmh_1316461507_2864P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFOd5vDcC3lWbTT17ARAh7JAJwMrRQz4C7zYTO1eHMgucfJzL+1lgCgsuqQ L4CmG5Vw1ZZf07jYmk/uoDQ= =YcTW -----END PGP SIGNATURE----- --==_Exmh_1316461507_2864P-- -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org