From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 873A227A112 for ; Sun, 15 Jun 2025 19:20:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.165.32 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750015251; cv=fail; b=K4zlGbyRz8HtxflHV8LcGrjMT/9Ea/TxyrLgFsFkr7C0eu+AeI9mv6F848yPv4wZPqNJn2Tfnx2oVGXq+0TURJ1yOAGjDbUckrUGsvWo4jj+pZG3cmNoq9ePZAtwn+XNK6Qi+dgBqrfXeyJeA7KyLoRdER0KJLLCd6IH4HfUFpk= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750015251; c=relaxed/simple; bh=ho8JUUEl+jGctGtc690vH01V4RTzwDsfpYHqrrOOvFA=; h=Message-ID:Date:Subject:To:References:From:In-Reply-To: Content-Type:MIME-Version; b=I2Bj2aBnDuBBhdhxPctG50AUNbUmKPO5BibJ7+4FeEqN7cphp/GA3uikGV6CI+eJ596aQw5k3tn0ssu74ItNEuZ0EV20XGgGBixBj73K5ZU2cXzjZUa6etJdSfOsxS5X8mY13Toa+qR2qxuF2attotvyiC1FYPQEteBmc71+bO4= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b=H4nYiUa+; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b=jOWIUHi3; arc=fail smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="H4nYiUa+"; dkim=pass (1024-bit key) header.d=oracle.onmicrosoft.com header.i=@oracle.onmicrosoft.com header.b="jOWIUHi3" Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 55FIsj0H014744; Sun, 15 Jun 2025 19:20:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h= content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= corp-2025-04-25; bh=JSQnX8Mnv1Q/VU/AO3gnq9R2H+fb8KChgs3HsJiV1YU=; b= H4nYiUa+C3mW4IaNkGvkszrbmpkMECUrsqmLKs7M3O0j/5eYgs/ZlIOWtmZSIYDC emBT4DIQmmLMdGcWw1qj03TRpveasna4wUhJFrYFUHhicHNWvGVKqhpo1Fv6TlFu auaPeMROw06MrfrlFSpFT34LE/PGhH+kqmrtSl0wR29Qh9V3GB3JjKYdRG1cKN+I PACz8si+fEoIufMHvowQOqNBEiHqjYjMkvZJv8ht8H3i9ylBAajatrIdcI5smFva jUhzT0DeKLt6zd85EEVSLcEw4h6cBIVKMr9Zovd06OOg8K29do1SSaP9V7rg81yI yIRdSbS0UyIVo/T27wITgA== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 47900esax9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 15 Jun 2025 19:20:26 +0000 (GMT) Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 55FGe9OO031735; Sun, 15 Jun 2025 19:20:26 GMT Received: from sn4pr2101cu001.outbound.protection.outlook.com (mail-southcentralusazon11012010.outbound.protection.outlook.com [40.93.195.10]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 478yh6xk99-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 15 Jun 2025 19:20:26 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=lG/fiSGzrsCj07sjhwlSc4BzfK/Sjhzq+pTYFa4nZMktAXr6Z0XupUA7Dm7b5zZG8Zp978CIhruLWB6lNvsvkFL07iSOoudOneK2v1opj3B+eMk8VGCucJnDGLFN6jjunIY9mfenW12q7Jz2JWhEPrvyeW6kZ1Z20Sc7oUfeQ6HM1aNPcEic/92T5XFNsRqxUzB5BEAni7lZuH8isAtBapbm71bd0PC93PxbVu9+dmsJ2NIKwZml8Ep8ia+NF0BBw9F/eQu8kf9PNuoj7akfHPsSYOey9V39J9eS8d/ZggPJyvXTstIIGVRs7WcyhZl/ptwGUtHIPKwG82XKyl7ACQ== 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=JSQnX8Mnv1Q/VU/AO3gnq9R2H+fb8KChgs3HsJiV1YU=; b=nNnRha3ikyS9WWgW/iMAINGlQwgaPuWUiV8jtyfUK7e+lxoYKdNtav6b+DCH07hH/98wi+PoGpkUeJ40IPzR6ICVRBfayEYBMHzFaE8PB80Vh0ybSKeOVAccranlF5XvMNopVKMPnj0f6g7qQ23Xpok1vuwspYkv9IeHQQS9MYU91PzopTrt/Apv6DJGVOgb/kc+2AEWkyWaDacsrNGciq9otDTOJKBpsFW1sDOXVNGEtKE5VGPloFu6teS30VRDgU0GhzwqgD2zi8948uB6pZOgQ24DXlTLCJEu54gB5qpzezwzH+EjDtk36bUW+xcKoScRKoC2CjaYTpEBZ32WMQ== 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=JSQnX8Mnv1Q/VU/AO3gnq9R2H+fb8KChgs3HsJiV1YU=; b=jOWIUHi3QdodbSPTXVT8hhZoW7787PZmIvJExm6WpKq3QNNtf9GMy1DbORDiqiAjyfYVu1y+dU16JI0Qu0nLcAWQJSH2YFo5Pl8o71cU4jJkiECPd9t6ykOZVhhvf2nOaeeXR4xkp8q4oJHwHcsJ8vg1qYlYD3Jow/Ru0y8f7Cw= Received: from DM4PR10MB7476.namprd10.prod.outlook.com (2603:10b6:8:17d::6) by SA1PR10MB7789.namprd10.prod.outlook.com (2603:10b6:806:3ab::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.18; Sun, 15 Jun 2025 19:20:23 +0000 Received: from DM4PR10MB7476.namprd10.prod.outlook.com ([fe80::f32a:f82b:f6ac:e036]) by DM4PR10MB7476.namprd10.prod.outlook.com ([fe80::f32a:f82b:f6ac:e036%7]) with mapi id 15.20.8835.025; Sun, 15 Jun 2025 19:20:22 +0000 Message-ID: Date: Sun, 15 Jun 2025 14:20:21 -0500 User-Agent: Mozilla Thunderbird Subject: Re: [External] : [syzbot] [ocfs2?] BUG: unable to handle kernel paging request in ocfs2_unlock_and_free_folios To: syzbot , jlbec@evilplan.org, joseph.qi@linux.alibaba.com, linux-kernel@vger.kernel.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com References: <684efdcd.050a0220.be214.02c1.GAE@google.com> Content-Language: en-US From: Mark Tinguely In-Reply-To: <684efdcd.050a0220.be214.02c1.GAE@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: DM6PR03CA0036.namprd03.prod.outlook.com (2603:10b6:5:40::49) To DM4PR10MB7476.namprd10.prod.outlook.com (2603:10b6:8:17d::6) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR10MB7476:EE_|SA1PR10MB7789:EE_ X-MS-Office365-Filtering-Correlation-Id: 73e667de-e7bd-49d8-f000-08ddac41ac9c X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|1800799024|376014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?QlBwaEhsUk5BTUxrL05la25aWXFIZWtiNllhaHUranc0MlFPYXdiejNDYXFp?= =?utf-8?B?Q09LSEgzMVltTjFzZDhGalRiMTRQMUpVRDFjK3NCb0RMTlBMckpkR1dOOVlB?= =?utf-8?B?aGNwMGo0TnVIVFlUanRMMTlDNXRDbCtXOE5CcjFrRUI5eksveUdWRGxSV2J5?= =?utf-8?B?NDcreFJGS0pKYkhndTlwMDZHNysxMm5sdjlCVG9SZ2ErR2RYZEdnb3lscm5I?= =?utf-8?B?enJFZURlbENyd1dHOFpPaHc5b2FvWnd2VjZnazhIWWdCUjM1eXpYTmM3QkRJ?= =?utf-8?B?Tk9teWZIcWZTUy9NeHlWdFZkNVFRL2E2dWExZnQvRExlR0Z6bVdwZHJKRWxV?= =?utf-8?B?U1ZpNkY4Yk5IU1FqQ052LzZpNE9SWGszN0hESVUyQzFxcGhjcno4cGtNNUlN?= =?utf-8?B?elNXNHdNME52ZU5OL01tcWtBUzVCQWxaMlFSajBKS3FyVFMwUjBYa2s1OEVT?= =?utf-8?B?KzluNDBTQ2FXamcvT3ZxdUp0UVFadDVjdFdqRUhsWmsxWTZoelBzS0s3VFZn?= =?utf-8?B?S1BYcFFIODU0aUpqSU82VjQvK2NyWU5EYnY1YnRUVXd2Q0k5eWxQMmZxaVVI?= =?utf-8?B?NXlhdkEzYW1BQXkzS2NIOWJOUnQ4bk56TVJCQkxqVDcvaWsxbmlwT0djOHJo?= =?utf-8?B?VVBldTR2R3hTK0Y4OFhFLzFaN1UvcW15RDdsNXlUNURjeVc1SFExM3VDTSt2?= =?utf-8?B?dzVZTHJ1OThxZmE4c2pJeHlQTDk3YllDQ2t4WlN2SEh1ZmloZlFSeExBT2oy?= =?utf-8?B?WVdxenorU3NIVy8wclpEZHRLTnZ4OE5YQmZSVHIweGVmUCtLTU8yM04wdEUw?= =?utf-8?B?QlZ2YTEzWjBWcDRIb2RxNTRWQkFtbEZwYTNaR08zcHdOYXNpaWpOWWE5UVdO?= =?utf-8?B?YkltTlRGNTZBMTA4VzNMaHN0UkptQXd3bFcyN3J1WkxFaTVsU0U0Rkh5WFdW?= =?utf-8?B?TGtFMWdDc3dPNURRY01KV0xwS1VwR0lQcGpFcG56cGhpZmhEd3k2UGhMcEF2?= =?utf-8?B?a1ZiLzNEaHpveVR6Uk9kVkNDSHVpT1doQTVkSU5UMU5GUG1YYkRYbnZ0SFMw?= =?utf-8?B?Vlp2YUJQWlRKOXhMM1BEbVhSNGRnVm40SmdDV0JXZzFUYjRUQVhrbUdQZERV?= =?utf-8?B?aGcrN0JDajYzVnphWkhDdFlxTG9OT2Z3WXJwd3A4MytScUhjekhBeUhBNXdp?= =?utf-8?B?OC9DS1pQWmppTENINWd1ekp0Rnh4WFF0UXpXc3NsSml2VzJSRktmMkZ5bXM0?= =?utf-8?B?OUFqVUhRR0pJVTBxSkY3U3F2NTJoVkIzVElzMDlveXpBVTg5SitrS0Y1Vy91?= =?utf-8?B?NTlNRUtsQ2JPUUVmZnE2OHlSNU1LR0Q2M280UVBOcmhqNTJkMkR2MVl0Sm9X?= =?utf-8?B?alQyWHVlRVdlQ05ieVhRR2cxaWZ5SDdsVUlaa3FJa1M0RXJiSUtjbUlOQzM0?= =?utf-8?B?L2w2SWZWb1h3dFJxRmNteUhEeXIrMVVxUmpVdFhJRUlsMXByR0IxSWhiRG1K?= =?utf-8?B?SmRVZHpRT0xXdzU3YVAzcXNxT2ZlalM5WCt1MzdZb280d09yWUdlVnJUaHht?= =?utf-8?B?NHphNVdSNFp6cWVmSkhKbGpSUnhyUDJoWVlpenlHU1VQWHFTVUxkL0RnSnhi?= =?utf-8?B?b2czS2VWRkovWWswajB2eVMvL25ER0I2eTZkWFZjaE5ESHBaK3Z1OGU2OWhj?= =?utf-8?B?MDlLTXBzcTRFVjFTTnVLc1pzU1A3ZzVIUXBZK05MU0ZuOCtrdGhyZktINngr?= =?utf-8?B?UUJFN0VoUENCRDM3SmFLT2J4enBZNXBCdlBPZDAvMHJNUTVSbjJHZkNleG1t?= =?utf-8?B?L2daTXFpajFYSjZzalZ0Tkl0YUhhYXhKRjRBM1pGSENlOVZ4S1JUM05HNEc5?= =?utf-8?Q?MR6LNZx9H487I?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR10MB7476.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(1800799024)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?SHhtaEN5aDU0bGxVSGZweXlydEtuNVFnNG5kNjhiVHVBeXRSWHBZSlM2V2pY?= =?utf-8?B?NmRad0NnbUQraWVpejBFTzREWndFOU0yV3RsRHc1bndaNlhJb1NMUmxkeXoz?= =?utf-8?B?TDZkVWJsMnkyaExuNWlsMkwxZ1lya2dFaFBGaUZIMXpJMGJ1WTN0VGUwS3Rx?= =?utf-8?B?eXBmQWhmRE5leXpIa3V4U2wzcXU3RG9aS2FFbDF2dXIweHhEU2E1TEVvbFdr?= =?utf-8?B?a3ZSbjlXT1N2Qm5nRjFsaXV5WldrQnErSWlCaVF1NmZld25VbWZZZUgxMzNr?= =?utf-8?B?NjJPdHA3eEpaei93VnI0QTZnUG0xb2Rxc0swQkhaV0NoalJHL09pVGRXS1NF?= =?utf-8?B?S3NFYzJtNkdRQzJyQTU2V3BhSGZuS3Fldy90YURaa0FYVDFlWWdhWmVZMTFX?= =?utf-8?B?dWJBNkJwcU4wUFFVL1dMaXhZdnZYNkovc2FVaThGeVFNSFBQTzFKLzhNRERI?= =?utf-8?B?WnE2d0o5YWlLLzdGT1hkdEs3SHpLM2hxNFRTR3cwZXRjcVlUbkdCSFRDYjRR?= =?utf-8?B?VW9xSndXNzZIdUMzWndKMHZDc24vUGdKU2xXWGRTcStzclZVVHNSWGNrOUVP?= =?utf-8?B?ZGliVUl5MkhKVUQwQytBeCtSM3dXZHh2Q2h1RWtkM3k1OFdnYSttbjRtdDBN?= =?utf-8?B?dEx4c3d0S0lFeHUwSkwyandadHBFTkFmT0lhWEJvbG5jTjZ4VmllQkxJZ3pF?= =?utf-8?B?VUIrbjlKMGhCdnBHSmx0U00zeFZzQ0ZhOGR1WDk0WkEyUThCOTdqRHNaVjF5?= =?utf-8?B?N1FwY0VDUzJIZDBWb3lQZVJhOWRNNy9YUnpKL2RFRitnTDNzQkZNdUI3UjZ1?= =?utf-8?B?c09UYkdFcVlhZ0pUbEhaWHlBZFNOU3gyMFNTVVR2VUtSd2lQQ01KdGhTWkJn?= =?utf-8?B?K0hSMlErL3VDdXZJUkY1blJNeERieHU2MG1Sc0NIYlU0VXVNVWppZEk2dGpr?= =?utf-8?B?ZSsxeFNmRkN0T2pSV2U1QVMrNm5oZU10blBYaEpQTktPcXM0RTZBUGx3aGFT?= =?utf-8?B?eXh0NlRlWVZnUHJ2Z3BUblZyWDF3TGpSYzFzUkNMRmNZV1YwMTNIRUxDeFJr?= =?utf-8?B?L0RXdTFRY3VoaTB1M1RRdUY2cHhDcGZvSFNPbEFaOFBsaUJQbDNkcXUxYnNE?= =?utf-8?B?SVNaVllRb2FhUFpYMi8xSFppcGtXWllhQnAyVmhYUkJDQ2s0NVZuNFZqQzdD?= =?utf-8?B?Y25PdjJ2TElpM1pabWVZRUUwZUhCeGd5REROZzJCeXZFYWdEcE90UjltQW5p?= =?utf-8?B?UHV1anRxdFQ4eGkzaENxdk5xdm56M3ZpNGRvYTlEUTVMS2Y3QjZqRUlSUnZS?= =?utf-8?B?eHZ5SzJiWGVhZjNYckdmNm5pVnZBTnVCSjIxYTB4cktwN01FNjltMElzNlhG?= =?utf-8?B?aXNUN3MrM1hxa0tDc0g4b0tJa2MwYVZBM2ZkaUdnbGthRVV1QXFic3dnVzJW?= =?utf-8?B?WU5JbFhQcGhzTTBPSXY4Z3lER0Y0S3Jtc0s4ZmFJZW9uNkxVdFlkYVVUSDJR?= =?utf-8?B?SlBTTjdvdjlFYlRpcjdBbXNlR09sZTRoT255bVNiVndsSnBMVDRYcVhyblJM?= =?utf-8?B?bjhUUlBPWmNISHZCK3F1OWowelUyVURRTXhVUnlLZHBRMmo3ckdySitXUWJl?= =?utf-8?B?bnVWOWUvaHJzL1JZbnE2QlZsa2NDQW5zYUcvSGtFMDUzTThQZEphZFZCQWFn?= =?utf-8?B?YnRNbUlzVUdKbkVZMHVNWU5KYW5PdEYzaGh1R0dUaklhQ2laTno1TG93b0pm?= =?utf-8?B?bExnOXhFZmlHNytDNDZwYWUzdW5XbnpSMDNjalFPUmJ6a1ZhYlhnZmpDVkNu?= =?utf-8?B?UWg5WVpwSkxicWVjbUprVzgySGhaZVErNk9UWlRrM1RWT1YvckU1YS95S3Mx?= =?utf-8?B?OFNSbytVemVtWVNtTHRwc2I5djZZalc5OFBwYzM1Z1h5YW1XUWdGbDVCbTRk?= =?utf-8?B?TEo4Ym9mVEthUW8zREc4TThiTDNPZHBzdlpRbUxtV0pDZi9EMEZ0TXFIUzZW?= =?utf-8?B?T3Q0Z3g4c0ZSN3lrVURQWUhmQllnRkJReW9HZHZNMjNLSFM3Y2ZBUTVQSEZq?= =?utf-8?B?dkxabWM4dHRtdXE0eURZaWxTU1hHQ01menVpaWo2OUp6SDlLRHNSZ2N6NGFt?= =?utf-8?B?cnUzTCtCcEsrYnVzNzBvcFdERmpscVJUK1JXbFBzVWwyMUJKQzcvSGdrczRk?= =?utf-8?B?UFE9PQ==?= 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: 73e667de-e7bd-49d8-f000-08ddac41ac9c X-MS-Exchange-CrossTenant-AuthSource: DM4PR10MB7476.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 15 Jun 2025 19:20:22.6351 (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: BDEwk3exBhnUKbyWCdNaagVkYWLQoieR18L28ILSjXB35CETCtpZaOOduJE1Z5oGTp3LHC7e2eue2w1kkmEBwcYQ0QXeXWzP/CfvF6D0bEI= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR10MB7789 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-15_08,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 spamscore=0 mlxscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2506150144 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE1MDE0NCBTYWx0ZWRfX5HC2czm+rS/P xQ9lTPNx6IRTzwMYYqIGIT+bkFdZVv/4Y6DXeRnIy496FYKPyWL7EPdUz+CVw+sYDA8p4bU+KuW CZ1jpK+/jW96/hsp3baYP6IMeIaK3PAPEJd6pquhu5pSZf51Gn0a6Ne7VlnfUV+beupZ3wobadZ C/M7c/Ix7VhDfaDkxjNiP29leBvg83dxa+cviG/N8od4T7+IcPjnPuamivYFM0p+StI5H/wW7cO OJXGjBdZdmnGfIwQxlrxargctZUDKwHZ2Mc3PJvnba1tw9uEO9Pge0Pg9h6Eg9/cX6+agHSgyel jUjyiFUPej63GYgrXArQVc9FDG21H8s/LxZVvcVx4A6K8gDqXhzwzrBAHi8Fg0QVBbDdlgfneTc lZsCvHRBRgs5JhruOFUyaUShqeS6DHuqGd2nqqL+JT2oyUm5ha5vHDtQemiRTUIbc3r361ZP X-Proofpoint-ORIG-GUID: 9adXmJTeTUifdjuNLfr9sh9Pk_FRIavh X-Authority-Analysis: v=2.4 cv=X/5SKHTe c=1 sm=1 tr=0 ts=684f1cfa cx=c_pps a=XiAAW1AwiKB2Y8Wsi+sD2Q==:117 a=XiAAW1AwiKB2Y8Wsi+sD2Q==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=GoEa3M9JfhUA:10 a=edf1wS77AAAA:8 a=3g80flMcAAAA:8 a=oHvirCaBAAAA:8 a=VwQbUJbxAAAA:8 a=yPCof4ZbAAAA:8 a=hSkVLCK3AAAA:8 a=4RBUngkUAAAA:8 a=8BHMiREs1QhTMHIffpgA:9 a=BhMdqm2Wqc4Q2JL7t0yJfBCtM/Y=:19 a=QEXdDO2ut3YA:10 a=vVHabExCe68A:10 a=slFVYn995OdndYK6izCD:22 a=DcSpbTIhAlouE1Uv7lRv:22 a=3urWGuTZa-U-TZ_dHwj2:22 a=cQPPKAXgyycSBL8etih5:22 a=_sbA2Q-Kp09kWB8D3iXc:22 X-Proofpoint-GUID: 9adXmJTeTUifdjuNLfr9sh9Pk_FRIavh On 6/15/25 12:07 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 2c4a1f3fe03e Merge tag 'bpf-fixes' of git://git.kernel.org.. > git tree: upstream > console output: https://urldefense.com/v3/__https://syzkaller.appspot.com/x/log.txt?x=1422ee0c580000__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pUpt9V_Q$ > kernel config: https://urldefense.com/v3/__https://syzkaller.appspot.com/x/.config?x=c07f08ee4bcfb276__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pSK8uLXU$ > dashboard link: https://urldefense.com/v3/__https://syzkaller.appspot.com/bug?extid=c2ea94ae47cd7e3881ec__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6ph-u8j00$ > compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 > syz repro: https://urldefense.com/v3/__https://syzkaller.appspot.com/x/repro.syz?x=13ede60c580000__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6prbA_nYw$ > C reproducer: https://urldefense.com/v3/__https://syzkaller.appspot.com/x/repro.c?x=15aab682580000__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pYMulSYo$ > > Downloadable assets: > disk image (non-bootable): https://urldefense.com/v3/__https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-2c4a1f3f.raw.xz__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pe3aDXaI$ > vmlinux: https://urldefense.com/v3/__https://storage.googleapis.com/syzbot-assets/fe90e2ba373e/vmlinux-2c4a1f3f.xz__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pfEFNVhk$ > kernel image: https://urldefense.com/v3/__https://storage.googleapis.com/syzbot-assets/fdd4ddecb119/bzImage-2c4a1f3f.xz__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pdmAa8Bs$ > mounted in repro: https://urldefense.com/v3/__https://storage.googleapis.com/syzbot-assets/77e1eb294850/mount_0.gz__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6p9rdG3dc$ > fsck result: OK (log: https://urldefense.com/v3/__https://syzkaller.appspot.com/x/fsck.log?x=1727a10c580000__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6p3yBr4Vk$ ) > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+c2ea94ae47cd7e3881ec@syzkaller.appspotmail.com > > R10: 0000000000000001 R11: 0000000000000246 R12: 0000200000000180 > R13: 00007ffd0a9a15d0 R14: 431bde82d7b634db R15: 00007f06760c301d > > (syz-executor335,5312,0):ocfs2_grab_folios_for_write:1073 ERROR: status = -12 > (syz-executor335,5312,0):ocfs2_write_begin_nolock:1791 ERROR: status = -12 > BUG: unable to handle page fault for address: fffffffffffffffc > #PF: supervisor read access in kernel mode > #PF: error_code(0x0000) - not-present page > PGD df3d067 P4D df3d067 PUD df3f067 PMD 0 > Oops: Oops: 0000 [#1] SMP KASAN NOPTI > CPU: 0 UID: 0 PID: 5312 Comm: syz-executor335 Not tainted 6.16.0-rc1-syzkaller-00010-g2c4a1f3fe03e #0 PREEMPT(full) > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 > RIP: 0010:const_folio_flags include/linux/page-flags.h:347 [inline] > RIP: 0010:folio_test_locked include/linux/page-flags.h:547 [inline] > RIP: 0010:folio_unlock+0x3a/0x160 mm/filemap.c:1498 > Code: fb 49 bf 00 00 00 00 00 fc ff df e8 20 df c8 ff 4c 8d 73 08 4d 89 f4 49 c1 ec 03 43 80 3c 3c 00 74 08 4c 89 f7 e8 76 56 2c 00 <4d> 8b 2e 4c 89 ee 48 83 e6 01 31 ff e8 d5 e3 c8 ff 49 83 e5 01 0f > RSP: 0018:ffffc9000d517128 EFLAGS: 00010246 > RAX: ffffffff81f77fd0 RBX: fffffffffffffff4 RCX: ffff8880007fc880 > RDX: 0000000000000000 RSI: 0000000000000001 RDI: fffffffffffffff4 > RBP: 0000000000000001 R08: ffff88803fedc07f R09: 1ffff11007fdb80f > R10: dffffc0000000000 R11: ffffed1007fdb810 R12: 1fffffffffffffff > R13: 0000000000000000 R14: fffffffffffffffc R15: dffffc0000000000 > FS: 000055557d696380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: fffffffffffffffc CR3: 0000000042b50000 CR4: 0000000000352ef0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > > ocfs2_unlock_and_free_folios+0x71/0x1a0 fs/ocfs2/aops.c:765 > ocfs2_free_write_ctxt fs/ocfs2/aops.c:813 [inline] > ocfs2_write_begin_nolock+0x3078/0x4340 fs/ocfs2/aops.c:1830 > ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1882 > generic_perform_write+0x2c4/0x910 mm/filemap.c:4112 > ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 > new_sync_write fs/read_write.c:593 [inline] > vfs_write+0x548/0xa90 fs/read_write.c:686 > ksys_write+0x145/0x250 fs/read_write.c:738 > do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] > do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > RIP: 0033:0x7f0676081af9 > Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 > RSP: 002b:00007ffd0a9a1498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 > RAX: ffffffffffffffda RBX: 00007ffd0a9a14c0 RCX: 00007f0676081af9 > RDX: 00000000fffffec6 RSI: 0000200000000180 RDI: 0000000000000005 > RBP: 0000000000000001 R08: 00007ffd0a9a1237 R09: 0000000000000000 > R10: 0000000000000001 R11: 0000000000000246 R12: 0000200000000180 > R13: 00007ffd0a9a15d0 R14: 431bde82d7b634db R15: 00007f06760c301d > > Modules linked in: > CR2: fffffffffffffffc > ---[ end trace 0000000000000000 ]--- > RIP: 0010:const_folio_flags include/linux/page-flags.h:347 [inline] > RIP: 0010:folio_test_locked include/linux/page-flags.h:547 [inline] > RIP: 0010:folio_unlock+0x3a/0x160 mm/filemap.c:1498 > Code: fb 49 bf 00 00 00 00 00 fc ff df e8 20 df c8 ff 4c 8d 73 08 4d 89 f4 49 c1 ec 03 43 80 3c 3c 00 74 08 4c 89 f7 e8 76 56 2c 00 <4d> 8b 2e 4c 89 ee 48 83 e6 01 31 ff e8 d5 e3 c8 ff 49 83 e5 01 0f > RSP: 0018:ffffc9000d517128 EFLAGS: 00010246 > RAX: ffffffff81f77fd0 RBX: fffffffffffffff4 RCX: ffff8880007fc880 > RDX: 0000000000000000 RSI: 0000000000000001 RDI: fffffffffffffff4 > RBP: 0000000000000001 R08: ffff88803fedc07f R09: 1ffff11007fdb80f > R10: dffffc0000000000 R11: ffffed1007fdb810 R12: 1fffffffffffffff > R13: 0000000000000000 R14: fffffffffffffffc R15: dffffc0000000000 > FS: 000055557d696380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: fffffffffffffffc CR3: 0000000042b50000 CR4: 0000000000352ef0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > ---------------- > Code disassembly (best guess): > 0: fb sti > 1: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 > 8: fc ff df > b: e8 20 df c8 ff call 0xffc8df30 > 10: 4c 8d 73 08 lea 0x8(%rbx),%r14 > 14: 4d 89 f4 mov %r14,%r12 > 17: 49 c1 ec 03 shr $0x3,%r12 > 1b: 43 80 3c 3c 00 cmpb $0x0,(%r12,%r15,1) > 20: 74 08 je 0x2a > 22: 4c 89 f7 mov %r14,%rdi > 25: e8 76 56 2c 00 call 0x2c56a0 > * 2a: 4d 8b 2e mov (%r14),%r13 <-- trapping instruction > 2d: 4c 89 ee mov %r13,%rsi > 30: 48 83 e6 01 and $0x1,%rsi > 34: 31 ff xor %edi,%edi > 36: e8 d5 e3 c8 ff call 0xffc8e410 > 3b: 49 83 e5 01 and $0x1,%r13 > 3f: 0f .byte 0xf > > > --- > This report is generated by a bot. It may contain errors. > See https://urldefense.com/v3/__https://goo.gl/tpsmEJ__;!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6pBY5u_TI$ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://urldefense.com/v3/__https://goo.gl/tpsmEJ*status__;Iw!!ACWV5N9M2RV99hQ!IgPSRxGUkIu81wjsrs1PEjg5XahZ6OCaEoVrFRGDQrtH2p3MFwalunoQnIXLF9PV2BUrFoNF-jydeFr8sJBdFnQ_9kMI9FNTCl6p8sdCeN0$ for how to communicate with syzbot. > > If the report is already addressed, let syzbot know by replying with: > #syz fix: exact-commit-title > > If you want syzbot to run the reproducer, reply with: > #syz test: git://repo/address.git branch-or-commit-hash > If you attach or paste a git patch, syzbot will apply it before testing. > > If you want to overwrite report's subsystems, reply with: > #syz set subsystems: new-subsystem > (See the list of subsystem names on the web dashboard) > > If the report is a duplicate of another one, reply with: > #syz dup: exact-subject-of-another-report > > If you want to undo deduplication, reply with: > #syz undup > Only half of the following patch was committed: https://lore.kernel.org/ocfs2-devel/925336b7-b62c-49e6-aa97-e9a417374a6f@oracle.com/T/#t Should the ocfs2_grab_folios()half be reposted? --Mark Tinguely