From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] tcp: sysctl interface leaks 16 bytes of kernel memory Date: Thu, 11 Oct 2012 15:13:44 -0400 (EDT) Message-ID: <20121011.151344.618364814979945725.davem@davemloft.net> References: <20121011162407.2590.40301.stgit@bob.linux.org.uk> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: alan@lxorguk.ukuu.org.uk Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:38763 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932667Ab2JKTNq (ORCPT ); Thu, 11 Oct 2012 15:13:46 -0400 In-Reply-To: <20121011162407.2590.40301.stgit@bob.linux.org.uk> Sender: netdev-owner@vger.kernel.org List-ID: From: Alan Cox Date: Thu, 11 Oct 2012 17:24:14 +0100 > From: Alan Cox > > If the rc_dereference of tcp_fastopen_ctx ever fails then we copy 16 bytes > of kernel stack into the proc result. > > Signed-off-by: Alan Cox Applied and queued up for -stable.