Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752080Ab3HUCWt (ORCPT ); Tue, 20 Aug 2013 22:22:49 -0400 Received: from intranet.asianux.com ([58.214.24.6]:13819 "EHLO intranet.asianux.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751449Ab3HUCWs (ORCPT ); Tue, 20 Aug 2013 22:22:48 -0400 X-Spam-Score: -101.0 Message-ID: <52142422.9050209@asianux.com> Date: Wed, 21 Aug 2013 10:21:22 +0800 From: Chen Gang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 MIME-Version: 1.0 To: Mel Gorman , kosaki.motohiro@jp.fujitsu.com, riel@redhat.com, hughd@google.com, xemul@parallels.com, rientjes@google.com, Wanpeng Li CC: Cyrill Gorcunov , Andrew Morton , linux-mm@kvack.org, "linux-kernel@vger.kernel.org" Subject: [PATCH 0/3] mm: shmem: check the return value of mpol_to_str() References: <5212E8DF.5020209@asianux.com> <20130820053036.GB18673@moon> <52130194.4030903@asianux.com> <20130820064730.GD18673@moon> <52131F48.1030002@asianux.com> <52132011.60501@asianux.com> <52132432.3050308@asianux.com> <20130820082516.GE18673@moon> In-Reply-To: <20130820082516.GE18673@moon> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 628 Lines: 15 mpol_to_str() may fail, and not fill the buffer (e.g. -EINVAL), so need check about it, or buffer may not be zero based, and next seq_printf() will cause issue. Signed-off-by: Chen Gang Cc: Cyrill Gorcunov --- fs/proc/task_mmu.c | 4 +++- mm/shmem.c | 16 ++++++++++------ 2 files changed, 13 insertions(+), 7 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/