From nobody Fri Apr 26 07:09:53 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1560380807; cv=none; d=zoho.com; s=zohoarc; b=K3z/wwks2Tlu8wpM6E/dxXTyC0goxKNRLUCrxafIV3KfG3/dgJe/Tqgr8P+s+2lGYCJ7ayD/tXxtO3/Y/3LkFNo97xf6y3bt4VvGq6CWpKTRL57DlwRzRN4ZkRYkyaKkwqN53hVE/V70bpEN3C3pZFVZVapLBg0+LaGlO0SKs5k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1560380807; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To:ARC-Authentication-Results; bh=bT9KKkbksWfXsH1jCyY5Q7tulRJnUH7j1UJ5SVVMNbk=; b=UZqZZZ+Tfv4ttYv6pYeMIBakct5zlECwpSpSwPNntvcJOvMln9UBJRaUx6mduVJpZNEaCzosNGUs4kQX9mvrn1Sa0nOSnTDJ2v3iRNqux4Dy1OXbG1Z1ml5vbTmtXgRtB3bFIqJA/Z9HzZc+KUN1ak/s5aLCp64H9pp/0gt6Xp4= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1560380807529745.9234691775815; Wed, 12 Jun 2019 16:06:47 -0700 (PDT) Received: from localhost ([::1]:35886 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hbCKK-0002qn-Kg for importer@patchew.org; Wed, 12 Jun 2019 19:06:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59040) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hbCGB-00070j-Pe for qemu-devel@nongnu.org; Wed, 12 Jun 2019 19:02:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hbCG8-0007uw-0Y for qemu-devel@nongnu.org; Wed, 12 Jun 2019 19:02:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43964) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hbCG6-0007ph-0S; Wed, 12 Jun 2019 19:02:23 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id DA17E300414E; Wed, 12 Jun 2019 23:02:11 +0000 (UTC) Received: from x1w.redhat.com (ovpn-204-37.brq.redhat.com [10.40.204.37]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BAF9A5F9A7; Wed, 12 Jun 2019 23:02:04 +0000 (UTC) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Date: Thu, 13 Jun 2019 01:02:02 +0200 Message-Id: <20190612230202.878-1-philmd@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Wed, 12 Jun 2019 23:02:17 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC PATCH] spapr_pci: Fix Null pointer dereferences in spapr_dt_pci_bus() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "Michael S . Tsirkin" , qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Commit 14e714900f6 refactored the call to spapr_dt_drc(), but used an incorrect object owner as argument. This fixes: /hw/ppc/spapr_pci.c: 1367 in spapr_dt_pci_bus() >>> CID 1401933: Null pointer dereferences (FORWARD_NULL) >>> Dereferencing null pointer "bus". 1367 ret =3D spapr_dt_drc(fdt, offset, OBJECT(bus->parent_dev), 1368 SPAPR_DR_CONNECTOR_TYPE_PCI); Fixes: 14e714900f6 Reported-by: Coverity (CID 1401933) Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/ppc/spapr_pci.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 957ae88bbd..e0cd3f11f1 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1364,8 +1364,7 @@ static int spapr_dt_pci_bus(SpaprPhbState *sphb, PCIB= us *bus, } } =20 - ret =3D spapr_dt_drc(fdt, offset, OBJECT(bus->parent_dev), - SPAPR_DR_CONNECTOR_TYPE_PCI); + ret =3D spapr_dt_drc(fdt, offset, OBJECT(sphb), SPAPR_DR_CONNECTOR_TYP= E_PCI); if (ret) { return ret; } --=20 2.20.1