From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759569AbYGaAOJ (ORCPT ); Wed, 30 Jul 2008 20:14:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762624AbYGaAND (ORCPT ); Wed, 30 Jul 2008 20:13:03 -0400 Received: from ns1.suse.de ([195.135.220.2]:38719 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762508AbYGaANA (ORCPT ); Wed, 30 Jul 2008 20:13:00 -0400 Date: Wed, 30 Jul 2008 16:58:43 -0700 From: Greg KH To: linux-kernel@vger.kernel.org, stable@kernel.org, jejb@kernel.org Cc: Justin Forbes , Zwane Mwaikambo , "Theodore Ts'o" , Randy Dunlap , Dave Jones , Chuck Wolber , Chris Wedgwood , Michael Krufky , Chuck Ebbert , Domenico Andreoli , Willy Tarreau , Rodrigo Rubira Branco , Jake Edge , Eugene Teo , torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Alexey Dobriyan , Vegard Nossum Subject: [patch 23/62] proc: fix /proc/*/pagemap Message-ID: <20080730235843.GY12896@suse.de> References: <20080730233050.332789722@mini.kroah.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline; filename="proc-fix-proc-pagemap-some-more.patch" In-Reply-To: <20080730234915.GA12426@suse.de> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.26 -stable review patch. If anyone has any objections, please let us know. ------------------ From: Alexey Dobriyan commit ee1e6ab6056a8b9c19377257002da98b83819531 upstream struct pagemap_walk was placed on stack, some hooks are initialized, the rest (->pgd_entry, ->pud_entry, ->pte_entry) are valid but junk. Reported-by: Eric Sesterhenn Signed-off-by: Alexey Dobriyan Cc: "Vegard Nossum" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman --- fs/proc/task_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -636,7 +636,7 @@ static ssize_t pagemap_read(struct file struct pagemapread pm; int pagecount; int ret = -ESRCH; - struct mm_walk pagemap_walk; + struct mm_walk pagemap_walk = {}; unsigned long src; unsigned long svpfn; unsigned long start_vaddr; --