From nobody Sun May 12 12:02:52 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=nutanix.com); dmarc=fail(p=none dis=none) header.from=nutanix.com ARC-Seal: i=2; a=rsa-sha256; t=1637909411; cv=pass; d=zohomail.com; s=zohoarc; b=mvr+EbBXqS7ZAyfrrwTPdKW72r1dfUNJ93DZPZCtF7YFFmEKYlLv1HM49oS7d6NwTrr0NdkHm/gMCZbEhV7eI6ZJytxKDttexKrKbsZ46UfaT2NtKwDHEX8oXfQ26ZTN6R+Xs1CPdcxUTpaF80eGsl9GvJXIjfZwMmPsjhrhm6k= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1637909411; h=Content-Type:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=oOo+FIV+Yv5Y3l+kk6uU+ODMkW/76lz5F9DPWPFhF0I=; b=TdPYKCn0kGXjSLIsl/TWn64WDTzNT+JWEA7TRvRzLOZSt3JxDCHrfSUwSV7vNCmparBHiga4pOKtiAhpV3GKfDQ/54jiQE5jzuO704BA/NYMIL6AGxGAMksGdSPELPwQCRXhMIkPmocccO2Oint6+l7/2ZwX/mHh4u+orsqhlws= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=nutanix.com); dmarc=fail header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1637909411121668.4820122185179; Thu, 25 Nov 2021 22:50:11 -0800 (PST) Received: from localhost ([::1]:51974 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mqV3g-0006Oz-NM for importer@patchew.org; Fri, 26 Nov 2021 01:50:08 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53056) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqUyt-0004LG-VI for qemu-devel@nongnu.org; Fri, 26 Nov 2021 01:45:15 -0500 Received: from mx0b-002c1b01.pphosted.com ([148.163.155.12]:42434) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mqUys-0006vV-2d for qemu-devel@nongnu.org; Fri, 26 Nov 2021 01:45:11 -0500 Received: from pps.filterd (m0127841.ppops.net [127.0.0.1]) by mx0b-002c1b01.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 1AQ0tNU6014474; Thu, 25 Nov 2021 22:45:05 -0800 Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10lp2101.outbound.protection.outlook.com [104.47.58.101]) by mx0b-002c1b01.pphosted.com (PPS) with ESMTPS id 3cj9b21gtt-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Nov 2021 22:45:05 -0800 Received: from PH0PR02MB7496.namprd02.prod.outlook.com (2603:10b6:510:16::12) by PH0PR02MB7605.namprd02.prod.outlook.com (2603:10b6:510:54::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4713.20; Fri, 26 Nov 2021 06:29:38 +0000 Received: from PH0PR02MB7496.namprd02.prod.outlook.com ([fe80::f9e3:ac9c:d609:691d]) by PH0PR02MB7496.namprd02.prod.outlook.com ([fe80::f9e3:ac9c:d609:691d%9]) with mapi id 15.20.4734.023; Fri, 26 Nov 2021 06:29:37 +0000 Received: from priyankar-jain.dev.nutanix.com (192.146.154.242) by PH0PR07CA0034.namprd07.prod.outlook.com (2603:10b6:510:e::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.21 via Frontend Transport; Fri, 26 Nov 2021 06:29:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; h=from : to : cc : subject : date : message-id : content-type : mime-version; s=proofpoint20171006; bh=oOo+FIV+Yv5Y3l+kk6uU+ODMkW/76lz5F9DPWPFhF0I=; b=1rUWaWyjNzPWsqb0Byuc+ZIkIZi96kU1t9PNnFTwjhCA75gqRrG79XNLmjOlZgn79R/J F1N2YJNjE5zB6QmC6raQudAGoH669I/4IOYz4fI3O5BOQTrnLFIy/nR2SCg5UCorMokd ++a94piuYNYzGK1gL+jUT+r91tKj3+VFx3MTfFmL0g9zoDBNZteqHo7p+St3py+lTgBs moLBy2vZyLejR8CuN2JxOGSezO+FpXmzQp8dn6hmXC2FOhMjXXNYbM83MsuFlX459yOG /3dLIyhPKh7SBCW6hz+OfDTmayZjehBCrX0KaOGWpWTVfz7wtyIJZHf0OWusyPew+Wir Vg== ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=gJtreh978znkjalemVXfg8eO5KoGoaEgimb87GPwEyk000/vSL1ZS3mrpIHdEomQtm3PeKZj8IsKjshd/cq562pRvTdgh51Auvy4IMyGz5WczOrAkR4dD9BTc97fohvxRPFiqPomGWqgq3zlEEfqT6Ak4CzdYjNL3dpQIRX5J7Zz/obOHdbNgDmLDyd6RtpQcoHJrMfbGNU/FeFIRZn/c4/+/VqVv1axWJqJQYcPKaEIgKrbY/cyMlbjhaxXV2VMEUA3tKonzHLyNnsjwGVSexbsLS1xMGidS4uAhgMFQcnVetlWnLmTKMCn69WoUARZhoZO/IQsfsS4zIIfFVFnqQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=oOo+FIV+Yv5Y3l+kk6uU+ODMkW/76lz5F9DPWPFhF0I=; b=iHlcPMK3CKqqM2UHhg6SH7AKTIIgU96ELHjyMzD9ZKglt1gHELaJ4LuLMPe56JRVqtFQKbywznrdKnK4ltUo4nvHleUNQTgD9QEnsjg2c5cv2DscPvc7vdBoaXemlGoq94mW2bfBlWmXM/qOW4DZpuwD0iOBMBAauW5xqJH5sYh+zUPh4f0eEx/QVN+Wc4az8eqHhavnTrJ/+f/1rfhkSDqL0xmEPMDMYatABlAQgrDsB4cahYZpRvP8q2qgUX1Q1nEwyHRsrE3ruwSB6/Z6R0e6uDXooT3oX531ARkLHMXhwBrizmyhozE24UZDU4yC5UEd3lWa6+iNbLrhYoSUMw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nutanix.com; dmarc=pass action=none header.from=nutanix.com; dkim=pass header.d=nutanix.com; arc=none From: Priyankar Jain To: qemu-devel@nongnu.org Subject: [PATCH] dbus-vmstate: Restrict error checks to registered proxies in dbus_get_proxies Date: Fri, 26 Nov 2021 06:28:34 +0000 Message-Id: <1637908114-29133-1-git-send-email-priyankar.jain@nutanix.com> X-Mailer: git-send-email 1.8.3.1 X-ClientProxiedBy: PH0PR07CA0034.namprd07.prod.outlook.com (2603:10b6:510:e::9) To PH0PR02MB7496.namprd02.prod.outlook.com (2603:10b6:510:16::12) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 3de394cf-f7ac-48fb-0efc-08d9b0a61e9c X-MS-TrafficTypeDiagnostic: PH0PR02MB7605: X-Microsoft-Antispam-PRVS: x-proofpoint-crosstenant: true X-MS-Oob-TLC-OOBClassifiers: OLM:1468; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:PH0PR02MB7496.namprd02.prod.outlook.com; PTR:; CAT:NONE; SFS:(366004)(316002)(66556008)(66476007)(6916009)(44832011)(508600001)(8676002)(86362001)(26005)(36756003)(2906002)(6486002)(54906003)(956004)(66946007)(2616005)(8936002)(83380400001)(186003)(52116002)(4326008)(5660300002)(38350700002)(7696005)(6666004)(38100700002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?I/64byuZ4oxFyQME2NFKbXv9x7/Q7A4Zxo0iGiFbAb8RDXvR4WC73xjwKEfz?= =?us-ascii?Q?oZDfgPVwiDHwC+uoQtCNwl5nXBgz+zjWmae596flVv/YHWT+YjeM/clI2zqq?= =?us-ascii?Q?tfrSI4la+2Pstg8YS9bqY/r9BZXPdc7faByJcH8wGfPQI0cAbaHmkpJEZDo9?= =?us-ascii?Q?COKaAIxT5T2as4P6vnwVPJJoultbiZoatlfRuPHJ0wOGMHB2sW22gtMxsIHS?= =?us-ascii?Q?pp7yE6F+Qy9C06BR6wT5M0m4EQODJzjZ6rZAwNgvvSFWRLzTdJoctZC+X/Tn?= =?us-ascii?Q?gQG+0TyUJcprESkBQOuhNmvgLrV2MQluOIDhzGzKV76aW95EY310Pj+2qgB2?= =?us-ascii?Q?iEKryT85//eFRIyBKUEHYtoSLL5kCfySafNtajO0BHkddaAY2Io0seAqX8y9?= =?us-ascii?Q?Am6P+mQkFniWY3jL0ef8H4M81ZiISj5iOe1KqJbVoGMm6/PV1oozP5LF1CSf?= =?us-ascii?Q?trUQ8E8T9Agz8pVwwSHnqOc+VzD/wMEXK7+nH3UAdY/sROobHWYRXIQD0OJX?= =?us-ascii?Q?l3EfNBfuQ00DXdj4aL7ovutV5aTv3SMjwyvMy3M94wWWocCJsIePzbCXdTy1?= =?us-ascii?Q?Dk9vePFmANKGgcwlwEudAcYqeJKxWWAK9ClJPifPErkhEa0h4QEOhGGW0/+c?= =?us-ascii?Q?llyFVpitjCvUkflWUChke4D8ETtrIxmGd4bxUyOhakAmngXtcjpX5HKA5uk3?= =?us-ascii?Q?4+mA+RWLN3Ud+b3aJntI9jgzCRrPKxLTNBh6DtdyPp0ujcOoqfIOkFTI+fBX?= =?us-ascii?Q?cON5Jk4gR0gsmNAH4CgEvWOAUEv5qh3icnMpX+RJ7Chpf3lp9a7SUrjjRKfM?= =?us-ascii?Q?RViNCzi4UERnM4LRtUoKKrBN5NYJ90AHW5BFsZRAJpU/0m4TKfJPDgA6UmUi?= =?us-ascii?Q?0k5ntG9Ew4m+kwtD/41NDNQXYZsC6gAyj9uZ37eSmGyp5HI5XqlN9lMtrTd9?= =?us-ascii?Q?QYG7kDCkuK0QnNx56jVi6FaBs14wmkJbI/xunl4ZkzOsUljYrwYK4BYTZa0Q?= =?us-ascii?Q?3BTajTcpgl8AN6c+91KOJYGjHayrvg37+RE/sh5gh3Pbbfxaa3uka0ZB5u9h?= =?us-ascii?Q?G/tGUoxmuzNxkNRrj8jZ18RKDI2P/3mrq16feb5qA1eT0j/Y4ZS5ZtBvap0Y?= =?us-ascii?Q?C8JRneGiXMOFF+n1Kg0YqoTlMNOU37BRToSvvPd6dG6YCcPmXaFDAylySaE6?= =?us-ascii?Q?5ik4JwYQRw/6e/iQfF4tFXMpRirCZ5BKpavLeMt6NJ7//hzXxODmvNZrStcT?= =?us-ascii?Q?Ls5AEug/GYZ4xWn4TIXJZ6whmOvu70Z9mqeTY4t9GU0h8bz/OHp+L6C/nDug?= =?us-ascii?Q?UfCo71rDUat1nzGCic+NabtAqPxUh1kI/z1DfVPCovSns5jKAC1bTgsEGXcm?= =?us-ascii?Q?orenbAKH+M7rLI0aoPKNb/3E0ZkxC7o4t6AVDaT4ntz998DpD865WC5y7c+2?= =?us-ascii?Q?3WRwCDcnWz0U0lqnvf++4PoWV3pfcxGC8jMYY10FxRtE3zdOkTB7+ke4cpFC?= =?us-ascii?Q?bYUimJ8oZPuD1Lvb6cntg1ccSUWopS1xwlrwyXbeENFUSZjT3X42DUylsKRA?= =?us-ascii?Q?Lpc2Wa6cmTw2SmOpfJfx9quVGskDaeMzvBkfu3/icpY7jWKIMxMFg6S3xv1+?= =?us-ascii?Q?XFnAueuBvapcNSUPBcQQDHb2lULNiFuGPbV3xqyteLdW10l2C7fln/TChaNn?= =?us-ascii?Q?2vbbTGAmDi3HYvKyGWQahVtij9k=3D?= X-OriginatorOrg: nutanix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 3de394cf-f7ac-48fb-0efc-08d9b0a61e9c X-MS-Exchange-CrossTenant-AuthSource: PH0PR02MB7496.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Nov 2021 06:29:37.5822 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: bb047546-786f-4de1-bd75-24e5b6f79043 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: u9TvdBi8H3UbtHt9bnY38DwPJ6c48yKV/Rmrh5lYqGg9u7U6ocDYEViV/uo4ucW/n1CJTn33xQ0vYFTzA8Gooi0aT7bgAQ6rtv7Gg4xwe4s= X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR02MB7605 X-Proofpoint-ORIG-GUID: 8zwJJa3JzK2bHKm41AnYxP31vyFgAQ5E X-Proofpoint-GUID: 8zwJJa3JzK2bHKm41AnYxP31vyFgAQ5E X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-26_02,2021-11-25_02,2020-04-07_01 X-Proofpoint-Spam-Reason: safe Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=148.163.155.12; envelope-from=priyankar.jain@nutanix.com; helo=mx0b-002c1b01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.702, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Priyankar Jain Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1637909413150100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The purpose of dbus_get_proxies to construct the proxies corresponding to t= he IDs registered to dbus-vmstate. Currenty, this function returns an error in case there is any failure while instantiating proxy for "all" the names on dbus. Ideally this function should error out only if it is not able to find and validate the proxies registered to the backend otherwise any offending process(for eg: the process purposefully may not export its Id property on the dbus) may connect to the dbus and can lead to migration failures. This commit ensures that dbus_get_proxies returns an error if it is not able to find and validate the proxies of interest(the IDs registered during the dbus-vmstate instantiation). Signed-off-by: Priyankar Jain --- backends/dbus-vmstate.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/backends/dbus-vmstate.c b/backends/dbus-vmstate.c index 9cfd758c42..ec86b5bac2 100644 --- a/backends/dbus-vmstate.c +++ b/backends/dbus-vmstate.c @@ -114,14 +114,13 @@ dbus_get_proxies(DBusVMState *self, GError **err) "org.qemu.VMState1", NULL, err); if (!proxy) { - return NULL; + continue; } =20 result =3D g_dbus_proxy_get_cached_property(proxy, "Id"); if (!result) { - g_set_error_literal(err, G_IO_ERROR, G_IO_ERROR_FAILED, - "VMState Id property is missing."); - return NULL; + g_clear_object(&proxy); + continue; } =20 id =3D g_variant_dup_string(result, &size); --=20 2.30.1 (Apple Git-130)