From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3412FC02180 for ; Mon, 13 Jan 2025 15:45:24 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 948B86B007B; Mon, 13 Jan 2025 10:45:23 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 8F8166B0083; Mon, 13 Jan 2025 10:45:23 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 724AE6B0085; Mon, 13 Jan 2025 10:45:23 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 4EA1F6B007B for ; Mon, 13 Jan 2025 10:45:23 -0500 (EST) Received: from smtpin23.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id BC8B5C0123 for ; Mon, 13 Jan 2025 15:45:22 +0000 (UTC) X-FDA: 83002852884.23.02AE56D Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf07.hostedemail.com (Postfix) with ESMTP id 537DB40012 for ; Mon, 13 Jan 2025 15:45:19 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=P9m0Be+C; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=CNXGh3Ev; spf=pass (imf07.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); dmarc=pass (policy=reject) header.from=oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1736783119; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=7AwsGVXGt5ua+Qt7wtm8hcQJyxEWLs6qlLL050tqMA8=; b=u426+n8wCUlXE5wWbg9iH4Tm2aaF9Xe/aojcXjV9r29WSfVROw66vt6FSaBw07IGxBA/4V Nh3i6p+6r2Rb4GSxroRm7InwHv+yJ0HAvMjbND5PA478wZpY8F3Fuekjw+rNkK66MOXc9M FjcOZDVIkdPh0GSyBb1P47GnMzXCbSk= ARC-Authentication-Results: i=2; imf07.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=P9m0Be+C; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=CNXGh3Ev; spf=pass (imf07.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); dmarc=pass (policy=reject) header.from=oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1736783119; a=rsa-sha256; cv=pass; b=kv1Xt6iBwchT0fUBR0qqXV2WK0rwrUzaEpm2KU/ADCXKXhui0HxGjnCE2DSp4oGrdWQbqE Hfd0ZdstQ5QT4eoM2/FkWtL16/KcS5LIEF6P130RWQNh8DaGIS96Ou+YWdf027Eutmz+H/ yKeOUD8hdGxaBxQnES1vysTGpZ+Tvas= Received: from pps.filterd (m0333520.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50DFQqXp018952; Mon, 13 Jan 2025 15:45:11 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=corp-2023-11-20; bh=7AwsGVXGt5ua+Qt7wt m8hcQJyxEWLs6qlLL050tqMA8=; b=P9m0Be+C+r34c3vZUypA9Bjr1MVVxF35bH kvikOsahDGQlxX2AqFLbdr6L3UL4if0FQRru2wumNChIj+fKXb7rmjaw8f0QPLB4 GRqEVXV4G3n6YuWTEZCAbe5UOXQxQRjUKSBJ3uav6f8IuhduY2D77CGpA0UpYjIG pf9DLv0EoUWsEWd7lylheXXzb0qvZlmgdTGKmqB7NDNw2sxl9NCuJOeNn9jok/p6 64XtvMXll8Fr3Tx+6EvYCaEtcuppmXeucWpNSsea2L/7Jx6ebadTglEXuI9JWtEJ 9sn7/06/KZ8qAHGNif4H98A7bWxnq3OeR8YQdnsFqofS6fOtLBWw== Received: from phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta03.appoci.oracle.com [138.1.37.129]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 443gpckxej-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 13 Jan 2025 15:45:10 +0000 (GMT) Received: from pps.filterd (phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 50DEA55k034897; Mon, 13 Jan 2025 15:45:09 GMT Received: from nam12-dm6-obe.outbound.protection.outlook.com (mail-dm6nam12lp2173.outbound.protection.outlook.com [104.47.59.173]) by phxpaimrmta03.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 443f374nmr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 13 Jan 2025 15:45:09 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=M35IFsK2/IxPQsMvbNjlv6JmaBct1+1EwF2f//9pnPQJyp4TMzmbnEYyWjDzWJW3W+E7Gt1HY8+E3Ce0xfba7PRqkN/iDItnPj76UOVBpjlSIGTLykSdijXImmXJMKGfTEiqHO9nSQPh+rqadvqApUpQhBRX0h0DVtWzOmflWWRLrbAg3VMEcjy/NCqxVcHlCdrgw4b4JuEk01gZBqAGWSN6v6IFo7ICSHU1anyFiR6ESj7ChYuPqOTGlKsSQfXwSp/BjTw+JqMt1Lz/nDOmoNcSqk+ez1pM9EfJlvBedJFmTNmoNhH2nfYnSYNKeAz57G5LadBTHXr0RQ37BiIScw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; 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=7AwsGVXGt5ua+Qt7wtm8hcQJyxEWLs6qlLL050tqMA8=; b=zQ3P62EN3Im3NVSTHlNdLRNC2BybLx3ggqNZfRpFh8hFgokeuANFtnXtoJCs7qDAfaOpsStWbTaOMpDXwiNDMzGcmMCsLs52hIHfXcl3z8c4Gr45Wb/uhDUeusl4QolI8LUEwi2R1cbGSXgbio++9Df/l9B5bA12XJY1rIJoalx1fDi0aYJm4d+YpZvncib3nf/ljUVGY73JlwX/tigiQev0BUQAq/s5JBZNn7rv45u1Y0nutvTPxlU/y1jOwUAe7nNdYMrQYD0npvJVIqiNp5UMKjYC3JUxd+M+BJLEn7htKOdh//ueU4owQvRSrcLltR730gwHa3JkTcKBI1bX1w== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=7AwsGVXGt5ua+Qt7wtm8hcQJyxEWLs6qlLL050tqMA8=; b=CNXGh3Ev+XoJijsupneF6Pu0FlJr7vywlTZe49XYuYK5G8zmsYxaIXSIs5YOKNRm0wlgacCkQgOXDD0lOWgdJzBV3taq4dIW9PayGZTloI0B1KJjQwgzs9zygzs9Tmh+vX5tePEzTwIxs3WhzG/n38ZkiFqv8VZhrAUgrr4prBQ= Received: from PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) by DS0PR10MB6871.namprd10.prod.outlook.com (2603:10b6:8:134::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8335.18; Mon, 13 Jan 2025 15:45:04 +0000 Received: from PH0PR10MB5777.namprd10.prod.outlook.com ([fe80::75a8:21cc:f343:f68c]) by PH0PR10MB5777.namprd10.prod.outlook.com ([fe80::75a8:21cc:f343:f68c%6]) with mapi id 15.20.8335.017; Mon, 13 Jan 2025 15:45:04 +0000 Date: Mon, 13 Jan 2025 10:45:01 -0500 From: "Liam R. Howlett" To: David Hildenbrand Cc: syzbot , akpm@linux-foundation.org, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org Subject: Re: [syzbot] [mm?] WARNING in __folio_rmap_sanity_checks (2) Message-ID: <2olghucl6y5bjio2zylnzox6gtwdh2qdhcaaafwwalbtydrmtu@2fzvs3fsuw43> Mail-Followup-To: "Liam R. Howlett" , David Hildenbrand , syzbot , akpm@linux-foundation.org, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, willy@infradead.org References: <67823fba.050a0220.216c54.001c.GAE@google.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20240425 X-ClientProxiedBy: YT4PR01CA0383.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:fd::29) To PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR10MB5777:EE_|DS0PR10MB6871:EE_ X-MS-Office365-Filtering-Correlation-Id: c45912de-272c-41b1-623b-08dd33e93f7d X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?7sb5HpzrL1y/vUbHpTBsxEAl2i5ufye+77HT6+j5HTXD++nzO+zm0xwdeJOY?= =?us-ascii?Q?JsP1xRQ8k8b7VyN+E77BHPeVHxFrK+gs6I/Bn6TZeIp8QCmOBwxXHlYZV9q6?= =?us-ascii?Q?NncvGaRjFySMjXJ4ADO/V7gWAtGpV+q0RgPLKJEcJPdZ+nArplardOVJ2vDu?= =?us-ascii?Q?Ny6XO8pHmVw+jMb8maiJhb0zUYKXBJ65WjPAEwMx8tpHzt9HKq8K9ZnPpiLo?= =?us-ascii?Q?cPeNorVR4jb9qU5hUdSDn55hoR+7V61HupnFRoBGfnSzUy7AqDsJ4Lb6fjMn?= =?us-ascii?Q?ibB/OZSjCVU/nNKRds5c/la7aAEeK40SW93GD8AuoWHl37jgdaH4f9MQODED?= =?us-ascii?Q?zwvZyDvzapVZcK5iveT0vRVUd0Ipn5T6vacO0rgdsqdYbNez5oIkQANRgBQD?= =?us-ascii?Q?/hAncFjoqA7aL4y1XU/dbN6XAd1ydHPtx/9GYnyt93rupmuvjAFobMpaSiHI?= =?us-ascii?Q?Q4SL7pBcZhlmYWfQkuyjDmIHDaV/g05Y3/Zs8SlKSmZpKQFUd8OHDhMghFyo?= =?us-ascii?Q?QLeYA1+CoK3oyUxeCHX5IXfchwqi43sqKPMkpG3bxrfnZjOY0JcT7pLDnNIj?= =?us-ascii?Q?aT/3RKaV1Je/pfbi8U3xo17W/eM07KjqiPplNszC9wT+OkZNa9JMjCe69AMn?= =?us-ascii?Q?Q2wYl0Jg0u/8cDKs2nVjivX90iJ3IpcbBQO9ulrIJz8SNSQJvWnC2apFb3zb?= =?us-ascii?Q?FDrmVi9Wx5JasVFQPBdnZPqaHeqSNvtMn/g8ewzia8ybNCIxexb7po+OB1TD?= =?us-ascii?Q?dvO98CRaHVBshHaybwyw78JOjIxW0Oa45mCGRgjmzzs4l6uQsm01ZFmx5w4u?= =?us-ascii?Q?HNjB6LX61nD1ijYj64JFCIudECjl7eSKX8xlkeNwvtxg+mPbcixgkClxLwPL?= =?us-ascii?Q?Dr4uRQm4PBKQVdJF4lJNWx4zX8a7BkH+L+1j8gyhd8s6bDVdHqD4f4eMqKXM?= =?us-ascii?Q?afx1q2wwc6qygkRHh2WNYlfD4hICeiLN7LVO1WIbF///HchOnLBFfz1x3svE?= =?us-ascii?Q?8UFXwchd4xrPOyhfCQLcr/ikglLOvlu/jlOVr3fmCUdrM1NLMRbq1aIOwETy?= =?us-ascii?Q?JbPaJbENNWi7cCMfrbxlduAfPyxw6bx38UUptT+JvSQRCO2Kbx1iOAc59n4+?= =?us-ascii?Q?g6OFPUk5Z2r9ywEPX5SEqamZ9+f9T1XCCi+NlQGY4SpBTu89XZ5+/PIUy8ru?= =?us-ascii?Q?B3jhG3W0E6JQ/u4wCyNYEPppx8LRMhfCRP4KXRgQj8mVZQGsPMYdXzlE1Ko9?= =?us-ascii?Q?xVyBbGfnX2ze8OjVP3GpOItDpU0WnxnoM+JnzAtWC/ylsQRu6Bs2EzZIqd60?= =?us-ascii?Q?ypm3m/EOKEi1PsJknxvMqSpi3Jh0aWDS1w6gYS1/SOvxtg=3D=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR10MB5777.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?54ZTrVQx9IRO8XpODsXVAlXam+2cUAdA1Nk+Uu8RS9A8cQfdnhezac0EPsfU?= =?us-ascii?Q?oN6Omkox/sH0RCnSwEUzM8QokcmddPLBi2jZLi4SO73b2zr5n92KqJvhGD9v?= =?us-ascii?Q?k0Horch+oKLgV1xMVzU4Bshk+XEIOfRgU5/JxvqvuL4tNA8yd7Tjrc0dXLn0?= =?us-ascii?Q?AJKEukvpetJYqVS2WOFcdqGFcjZUJorhR4Dp1Mza+iA1RJRQXfwYXANceICH?= =?us-ascii?Q?Gd+46tefPZ+CiLKGUOp7iI4Z/rKutZmerwQKqVWAyq510CxsJDTbS0hgdQH4?= =?us-ascii?Q?hRatsXyGZPQ/zyH4Xl7+gvHgBI/ynFfKyBMc25CHyJwbRdn9Ndfcofj+QmB7?= =?us-ascii?Q?b0EFd5yDWaTJxDzzrK+dQVMtnzPqnLluR66vsGFLu+tyrF/lYvG7B/qQ/1VU?= =?us-ascii?Q?8eRuF2zpiVtrGIrxnyPj2PQ34R9yUCZixscoLxErRJNSiX1esARaZrjKfswN?= =?us-ascii?Q?Pc+YFQ9NhWHvBQjJ6dy4C4tdILM+vBTiZh/Cr/fngizxTZXV42Y5OQehGfzB?= =?us-ascii?Q?YALow4+ZtrAJgNWx4ZoY9hL36g0PLwFqUsDuSuYNBlLkTQoJczD+eEUjUrHq?= =?us-ascii?Q?xG+qizIVYQCh+eXMbuR8J+Z8Ftw+yUILNR0yELg8UG4X/lWvxP5pRlJvwEd7?= =?us-ascii?Q?ARFV3/hVaoJQnjFAiJuhaBq9nk4RfGT1wx2Qm8EDI6SKUXMFLnldlqfbtmPw?= =?us-ascii?Q?GwOxCLS1gF5tcIKzwPkWS1DaTVok0Dowj+iisRa0mAUupbT9bB+DoTNHvB3K?= =?us-ascii?Q?HikCiOavpTejtzZQPvn6Twtmc5tBa0eUVf8UGiSMBswAW2TLdWrxqhw1gzp3?= =?us-ascii?Q?FgHqYEnkGafanaZ6H9yBzVw9SL17uH1JfRUKOBHWOiq3g/53lDZwHXoGu355?= =?us-ascii?Q?+kYTcP/72rijUgTtMenbScJgL5eGvakeG3R7XRll/O8jvTCBIhN9afmSaigQ?= =?us-ascii?Q?tIaiIDz87o4fgm/ll2jx6famOcharmfW3ziH36v0NvenNy+m/OByYH2fn3CY?= =?us-ascii?Q?wV9pcM+xLD5/pE6unwrVSXn+JPd0NfjqArBOPBTjHV3FJx+pmDa9bVcqVf6y?= =?us-ascii?Q?FEVrTuacpJip4yh5ONCgjMsue3vMm2grHxQu0pZspGRe5uqX8gmk9C/NmTyt?= =?us-ascii?Q?nPycxkcgkcm4y9Cgm9y4ZystYdZf0jd9mqpIjYQcB+sQscDvctg84C+bOb5X?= =?us-ascii?Q?WuoBZtgBlwB3FjZEG2yCqVPDP7pnoe9OxWE5Z72z6g+LmF+e46lHnx9Aef4v?= =?us-ascii?Q?EYfboB9yUu321bPybDowotFT7P4koyaDQi4b0CXANFN/eLemk+J095+UzAf5?= =?us-ascii?Q?LfA990U63Mbm5XY0SlKO8GLR2cejDNXu7U/fVa2zzECUX8e9OeygzNbas4ox?= =?us-ascii?Q?8UIGTCXzkkTYdmOP666/tfuW+DJl4h9vF1Ftc1fhw2MXv1OdZg9RAHkfUgMH?= =?us-ascii?Q?If/NKyQuA1C8CXmeCIYxWTaXsPu0K+WEkqJVYsJix9ijRTC01s30cv6aDuA2?= =?us-ascii?Q?MeiKjyBonVINlY25NowhX3RTMTbfzQp4/G8hctnW2P03phMDNP9KE9aYCqEP?= =?us-ascii?Q?u7QL1rC5Yrcouh4mHr9sU6WpNuaWq7Nh/cOpX75A?= X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: c45912de-272c-41b1-623b-08dd33e93f7d X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB5777.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Jan 2025 15:45:04.3838 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ok8R2QuAAjK33E2iI/iX03ORYfFlyj/LIPQYB66NOqB/DR4JIe/gOjugaodrqQddTyDmhROC8JnjU+Gzpf0FEA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR10MB6871 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-01-13_06,2025-01-13_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 bulkscore=0 adultscore=0 suspectscore=0 phishscore=0 malwarescore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2411120000 definitions=main-2501130131 X-Proofpoint-GUID: GPovoJMpwv1cpQvFC3AhjQVixvDAQWQT X-Proofpoint-ORIG-GUID: GPovoJMpwv1cpQvFC3AhjQVixvDAQWQT X-Rspamd-Queue-Id: 537DB40012 X-Rspamd-Server: rspam12 X-Stat-Signature: 44uu4tn1p93wtj37gkjsn5645owq9ydu X-Rspam-User: X-HE-Tag: 1736783119-988273 X-HE-Meta: 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 MwkepjtA 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: * David Hildenbrand [250113 10:40]: > On 11.01.25 10:54, syzbot wrote: > > Hello, > > > > syzbot has tested the proposed patch but the reproducer is still triggering an issue: > > WARNING in __folio_rmap_sanity_checks > > > > page last free pid 7533 tgid 7532 stack trace: > > reset_page_owner include/linux/page_owner.h:25 [inline] > > free_pages_prepare mm/page_alloc.c:1127 [inline] > > free_unref_folios+0xe39/0x18b0 mm/page_alloc.c:2706 > > folios_put_refs+0x76c/0x860 mm/swap.c:962 > > folio_batch_release include/linux/pagevec.h:101 [inline] > > truncate_inode_pages_range+0x460/0x10e0 mm/truncate.c:330 > > iomap_write_failed fs/iomap/buffered-io.c:668 [inline] > > iomap_write_iter fs/iomap/buffered-io.c:999 [inline] > > iomap_file_buffered_write+0xca5/0x11c0 fs/iomap/buffered-io.c:1039 > > xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 > > new_sync_write fs/read_write.c:586 [inline] > > vfs_write+0xaeb/0xd30 fs/read_write.c:679 > > ksys_write+0x18f/0x2b0 fs/read_write.c:731 > > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > > do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 > > entry_SYSCALL_64_after_hwframe+0x77/0x7f > > ------------[ cut here ]------------ > > WARNING: CPU: 0 PID: 7538 at ./include/linux/rmap.h:216 __folio_rmap_sanity_checks+0x33f/0x590 include/linux/rmap.h:216 > > Modules linked in: > > CPU: 0 UID: 0 PID: 7538 Comm: syz.1.57 Not tainted 6.13.0-rc6-syzkaller-gcd6313beaeae #0 > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 > > RIP: 0010:__folio_rmap_sanity_checks+0x33f/0x590 include/linux/rmap.h:216 > > Code: 0f 0b 90 e9 b7 fd ff ff e8 ee af ab ff 48 ff cb e9 f8 fd ff ff e8 e1 af ab ff 4c 89 e7 48 c7 c6 c0 9c 15 8c e8 82 6f f5 ff 90 <0f> 0b 90 e9 e9 fd ff ff e8 c4 af ab ff 48 ff cb e9 34 fe ff ff e8 > > RSP: 0018:ffffc9000c38efd8 EFLAGS: 00010246 > > RAX: f8a45fcd41963a00 RBX: ffffea00014f8000 RCX: ffffc9000c38eb03 > > RDX: 0000000000000005 RSI: ffffffff8c0aa3e0 RDI: ffffffff8c5fa860 > > RBP: 0000000000013186 R08: ffffffff901978b7 R09: 1ffffffff2032f16 > > R10: dffffc0000000000 R11: fffffbfff2032f17 R12: ffffea00014f0000 > > R13: ffffea00014f8080 R14: 0000000000000000 R15: 0000000000000002 > > FS: 00007f14451f96c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 > > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > CR2: 0000000020000140 CR3: 0000000073716000 CR4: 00000000003526f0 > > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > > Call Trace: > > > > __folio_add_rmap mm/rmap.c:1170 [inline] > > __folio_add_file_rmap mm/rmap.c:1489 [inline] > > folio_add_file_rmap_ptes+0x82/0x380 mm/rmap.c:1511 > > set_pte_range+0x30c/0x750 mm/memory.c:5065 > > filemap_map_folio_range mm/filemap.c:3563 [inline] > > filemap_map_pages+0xfbe/0x1900 mm/filemap.c:3672 > > do_fault_around mm/memory.c:5280 [inline] > > do_read_fault mm/memory.c:5313 [inline] > > do_fault mm/memory.c:5456 [inline] > > do_pte_missing mm/memory.c:3979 [inline] > > handle_pte_fault+0x3888/0x5ed0 mm/memory.c:5801 > > __handle_mm_fault mm/memory.c:5944 [inline] > > handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112 > > faultin_page mm/gup.c:1196 [inline] > > __get_user_pages+0x1c82/0x49e0 mm/gup.c:1494 > > populate_vma_page_range+0x264/0x330 mm/gup.c:1932 > > __mm_populate+0x27a/0x460 mm/gup.c:2035 > > mm_populate include/linux/mm.h:3397 [inline] > > vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:580 > > ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:546 > > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > > do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 > > entry_SYSCALL_64_after_hwframe+0x77/0x7f > > RIP: 0033:0x7f1445385d29 > > Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 > > RSP: 002b:00007f14451f9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 > > RAX: ffffffffffffffda RBX: 00007f1445575fa0 RCX: 00007f1445385d29 > > RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000 > > RBP: 00007f1445401b08 R08: 0000000000000004 R09: 0000000000000000 > > R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 > > R13: 0000000000000000 R14: 00007f1445575fa0 R15: 00007ffe4c3a7978 > > > > > > > > Tested on: > > > > commit: cd6313be Revert "vmstat: disable vmstat_work on vmstat.. > > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm mm-stable > > console output: https://syzkaller.appspot.com/x/log.txt?x=10b34bc4580000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=d18955ff6936aa88 > > dashboard link: https://syzkaller.appspot.com/bug?extid=c0673e1f1f054fac28c2 > > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 > > I tried reproducing it in manually in an x86-64 VM with the provided > config and C reproducer, so far no luck :( Yeah, same here. Thanks for testing mm-stable with the bot. > > Looking at the reports, we always seem to be dealing with an order-9 (PMD-size) XFS folio > with dentry name(?):"memory.current". > > Apparently, we're PTE-mapping that PMD_sized folio. > > [ 141.392393][ T7538] page: refcount:1025 mapcount:1 mapping:ffff88805b10ba48 index:0x400 pfn:0x53c00 > [ 141.402708][ T7538] head: order:9 mapcount:512 entire_mapcount:0 nr_pages_mapped:512 pincount:0 > [ 141.411562][ T7538] memcg:ffff88805b82e000 > [ 141.415930][ T7538] aops:xfs_address_space_operations ino:42a dentry name(?):"memory.current" > [ 141.424695][ T7538] flags: 0xfff5800000027d(locked|referenced|uptodate|dirty|lru|workingset|head|node=0|zone=1|lastcpupid=0x7ff) > [ 141.436464][ T7538] raw: 00fff5800000027d ffffea00014d0008 ffffea00014f8008 ffff88805b10ba48 > [ 141.445242][ T7538] raw: 0000000000000400 0000000000000000 0000040100000000 ffff88805b82e000 > [ 141.454649][ T7538] head: 00fff5800000027d ffffea00014d0008 ffffea00014f8008 ffff88805b10ba48 > [ 141.463708][ T7538] head: 0000000000000400 0000000000000000 0000040100000000 ffff88805b82e000 > [ 141.472549][ T7538] head: 00fff00000000209 ffffea00014f0001 ffffffff000001ff 0000000000000200 > [ 141.481225][ T7538] head: 0000000000000200 0000000000000000 0000000000000000 0000000000000000 > [ 141.490004][ T7538] page dumped because: VM_WARN_ON_FOLIO((_Generic((page), const struct page *: (const struct folio *)_compound_head(page), struct page *: (struct folio *)_compound_head(page))) != folio) > [ 141.508510][ T7538] page_owner tracks the page as allocated >