From patchwork Thu Mar 3 09:43:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Gonglei (Arei)" X-Patchwork-Id: 8490701 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A3BDC9F38C for ; Thu, 3 Mar 2016 09:46:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 210F2202AE for ; Thu, 3 Mar 2016 09:46:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 79A762012E for ; Thu, 3 Mar 2016 09:46:01 +0000 (UTC) Received: from localhost ([::1]:33475 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abPpY-00057C-Sj for patchwork-qemu-devel@patchwork.kernel.org; Thu, 03 Mar 2016 04:46:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48016) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abPpD-00052h-1L for qemu-devel@nongnu.org; Thu, 03 Mar 2016 04:45:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abPp9-0006AZ-RN for qemu-devel@nongnu.org; Thu, 03 Mar 2016 04:45:38 -0500 Received: from szxga01-in.huawei.com ([58.251.152.64]:13033) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abPp9-000694-2H; Thu, 03 Mar 2016 04:45:35 -0500 Received: from 172.24.1.48 (EHLO szxeml422-hub.china.huawei.com) ([172.24.1.48]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DFU06264; Thu, 03 Mar 2016 17:44:36 +0800 (CST) Received: from localhost (10.177.18.62) by szxeml422-hub.china.huawei.com (10.82.67.152) with Microsoft SMTP Server id 14.3.235.1; Thu, 3 Mar 2016 17:43:53 +0800 From: Gonglei To: Date: Thu, 3 Mar 2016 17:43:42 +0800 Message-ID: <1456998223-12356-6-git-send-email-arei.gonglei@huawei.com> X-Mailer: git-send-email 2.6.3.windows.1 In-Reply-To: <1456998223-12356-1-git-send-email-arei.gonglei@huawei.com> References: <1456998223-12356-1-git-send-email-arei.gonglei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.18.62] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.56D807B9.0033, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 96a4a07a24c9f93f49edac6a5945c331 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 58.251.152.64 Cc: qemu-trivial@nongnu.org, pbonzini@redhat.com, Gonglei Subject: [Qemu-devel] [PATCH 5/6] spapr: fix possible Negative array index read X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP fix CID 1351391. Signed-off-by: Gonglei Reviewed-by: Paolo Bonzini --- hw/ppc/spapr.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index e9d4abf..57d19ab 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -2221,6 +2221,10 @@ static void spapr_machine_device_plug(HotplugHandler *hotplug_dev, if (*errp) { return; } + if (node < 0 || node >= MAX_NODES) { + error_setg(errp, "Invaild node %d", node); + return; + } /* * Currently PowerPC kernel doesn't allow hot-adding memory to