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 DA771C71155 for ; Fri, 20 Jun 2025 09:47:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7C3FC6B008A; Fri, 20 Jun 2025 05:47:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7746E6B008C; Fri, 20 Jun 2025 05:47:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 614906B0092; Fri, 20 Jun 2025 05:47:47 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 4CCA36B008A for ; Fri, 20 Jun 2025 05:47:47 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id EED4216046C for ; Fri, 20 Jun 2025 09:47:46 +0000 (UTC) X-FDA: 83575302132.25.4D7CD65 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf23.hostedemail.com (Postfix) with ESMTP id 8DF9E140007 for ; Fri, 20 Jun 2025 09:47:43 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=COOkrrNY; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=HcR9jIL3; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf23.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1750412863; a=rsa-sha256; cv=pass; b=D8ZZrf9AH1ELUYlSojWhVgNvNOt39mj5s/Nxbcd1VWnpKDnCEW6tkVgEHIZT5x4bqA+Cp+ JeiFmu3C5USUDI1pH27/d8NxjY4dZtsS6H0uKxlc+xfaJG+tpVe35tKob+P1gYmtkJ3li6 Ig12yuKhiuml0z/Ozc4rKdqzQJIhRks= ARC-Authentication-Results: i=2; imf23.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b=COOkrrNY; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=HcR9jIL3; dmarc=pass (policy=reject) header.from=oracle.com; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf23.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1750412863; 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=sVExcIz5oeMuNaXH86WMcWkPfWlSQKbuzFXprUGAtkI=; b=kln4ydZDAihtonilHingt/nn6JmfXlynMfW61gnlJlm+cR9tkV9FqJJjMfnW28Hg3OnXXD +aNjyWd5TqEAb5KxF4JN32oKfWoUfnn6IVJef4lSvtE22sWMhoNlrF6lTyAvgypqVhi+Xu r/5359jf8sJU1bnq/oiHNb3FBfzv6xQ= Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 55K7feb4001296; Fri, 20 Jun 2025 09:47:40 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-2025-04-25; bh=sVExcIz5oeMuNaXH86 WMcWkPfWlSQKbuzFXprUGAtkI=; b=COOkrrNYH7YEYUXdyay+MuEk3mor/rQxzC WMj/whGsqgJibNQmeTMCTRI9tPCenQ+6GomEInsHOJEFCAjJ/wTVvSa/0JqXHzlZ ZAkoCVzI8gy4lLT2T9x10BedDXOlTzlGzL6WVxRjbx0hlTOozziVy5+yCgLmep55 dStvYybOeeF0LW6+z/hszLHynIcvde8en1L/kDuEDlZkpzG4nTC+0ouXoZkc4/nt jjk7iiQskVtl9+fxiIBqJwEEol/Zyljn0HZv4JXkI2Hwa71aNqNLHcAdpNGUUXHi PY7oJh7Q3C4anj5RHg17nADNTP6RH8UVMe/873OSbHoua3Fef19Q== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 479q8raax2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Jun 2025 09:47:40 +0000 (GMT) Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 55K9S5UE038549; Fri, 20 Jun 2025 09:47:39 GMT Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11on2089.outbound.protection.outlook.com [40.107.223.89]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 478yhcrh5r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 20 Jun 2025 09:47:39 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=iDBD4W3or2yqupchQ6s0+9qobdP9kf69JScxyKhNEe3UFb9xIl6REz9VZvRrmDHqpmyqwQP+oA1o6SBOTSY6W1zPrzu39kEnULNUE9/25H24FYwMSrAj4z6U8q4JuoH+qrN/14tEo5vv1I9p8OwpKGFZv0uRLSZdaID4YJJcBfhUuXCsekBsso/HFmSDkDhc2TjwbbZhPc2cNFbw7RMyIcO/X7CzjGrmBVZ9LQYwEVPCLTTslXBWTLxKslrlmtorG+OQ3Bfvrgg7tsRYpTb2SmOu7u2sCrS7OHUiNU1UQKA4rPLrslQBHnsSzayAhShhCfrHIcEPKI87QO7tPxWmiQ== 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=sVExcIz5oeMuNaXH86WMcWkPfWlSQKbuzFXprUGAtkI=; b=AxLBjrUYhyJIEbgfYGV/ZaKf3NG2RMeUGU4PyLzJnPFCNbB85gRS0rzrCulBNy3FSN4R9RP0amvPD8Z2WN2TcSS8Mw+HyiC97n23e2DgyF2yA425NXA3G5W3XBfnancc5lWBQm3EJGodHidCcdQLhJGA05/fzwg/ZaDAxyhIXLjofsNsjqFr+4kmb+4uERlXDExiQUS0uO0frvX5LloOiJs2t8yJ4ktcnUnmZJdxp4jgi3nQjTkPs7f7JXQ40N4ENTiZYWwt9i5jyY/GerZr9bmrAzgglwGRt69oWn2npVfjst7IvQ+ygNcwyVdKrQItPef19MTFzgJ4k+wacgEoQw== 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=sVExcIz5oeMuNaXH86WMcWkPfWlSQKbuzFXprUGAtkI=; b=HcR9jIL3oqbUU1OSKFL4eIwhc+ctHYM4+y8jIrTBGS4oznWl/IDo1DViW5+k/sgvsP+yMCPrxA1RB1nXYizDOGTTLdQ9meZ3Y798wJhkjVAz/fP2fjzgjGVLYuS0/fpBCwBR04HB/A4QcFuG2J2ea5Z0a6kVx09GJA4oYkfiU8Q= Received: from DM4PR10MB8218.namprd10.prod.outlook.com (2603:10b6:8:1cc::16) by SJ2PR10MB7111.namprd10.prod.outlook.com (2603:10b6:a03:4c6::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8746.41; Fri, 20 Jun 2025 09:47:37 +0000 Received: from DM4PR10MB8218.namprd10.prod.outlook.com ([fe80::2650:55cf:2816:5f2]) by DM4PR10MB8218.namprd10.prod.outlook.com ([fe80::2650:55cf:2816:5f2%6]) with mapi id 15.20.8857.019; Fri, 20 Jun 2025 09:47:37 +0000 Date: Fri, 20 Jun 2025 10:47:34 +0100 From: Lorenzo Stoakes To: syzbot Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, jannh@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, pfalcato@suse.de, syzkaller-bugs@googlegroups.com, vbabka@suse.cz Subject: Re: [syzbot] [mm?] WARNING: bad unlock balance in move_page_tables Message-ID: <5ec25a42-88a4-418b-9c6e-3cad971105d9@lucifer.local> References: <68552c8d.a00a0220.137b3.0040.GAE@google.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <68552c8d.a00a0220.137b3.0040.GAE@google.com> X-ClientProxiedBy: LO4P123CA0677.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:351::20) To DM4PR10MB8218.namprd10.prod.outlook.com (2603:10b6:8:1cc::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR10MB8218:EE_|SJ2PR10MB7111:EE_ X-MS-Office365-Filtering-Correlation-Id: 2bedfd59-fd97-4ced-4852-08ddafdf7d4a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?sbbiI69m5QJoTBaEeXmVY3qUjcdeZg+CNDl488bgQuSSgMxaR8r8BnU1Ts5D?= =?us-ascii?Q?kryNscb16IcHdIYfSPyemI7qCKezkARQYj7o9ICuo4j2/zZ3aonDSicY/eGU?= =?us-ascii?Q?DiEap12llgIlzNm+IjJoJSO/8EYlzuqj0pGRrBucFdum5gjBWj7P7yBcLHO/?= =?us-ascii?Q?cbxodLLjTieZ5oRhpLOEJODCUWxR9OFcswwKrV2r66Jxxm9v9FarDV3voecd?= =?us-ascii?Q?25aap2tNf1V3KOp28Nq6vPpx84z+iUz/8aBTMyStAaOMOebch1yGbzCTcTNd?= =?us-ascii?Q?oPdLbsxDMwsJDaIF1PKtNrErBVtRFz3pEP0ACRAuu0yKjYp1WVU5NkTXqR6u?= =?us-ascii?Q?Mnkop8L6r2Y6egCrOu6xI7pIWbQY+6FKvbxwTSdAS/OPP57se/nUzQm7wCx7?= =?us-ascii?Q?MEmCJ3FDROmR83YMZBYwBFl7Jf2B/H1A9OCg3xLGsb9U0gAl6VRj9vmy8h7K?= =?us-ascii?Q?CUmSEqRwlo/8ezGYohLhCsQIe7gcpQ8vj37LChvPGxh54UetQyJsDlUMMoLa?= =?us-ascii?Q?A3eF6fCf2a+pgnmQKd2YeMLESttUUhveMzpvAtp65L0+SKotwYKMQxHaRr1Y?= =?us-ascii?Q?YY32UVE6CbHJ72buXS4YS40hkqIqJ2xnCGp42HVr6ZdNq0NIuwDJU9jmDv77?= =?us-ascii?Q?NaQ/crgzT6wdrHIfXNtfIJ7Phqx2LLUPpkLoeRsezj8MtnOzB19FOp4m97E5?= =?us-ascii?Q?eDH2DuZB/ES0QX5TBqSQgcWL9rOC/uJmkA2/tJRb7xzCcgkgftfQqB3Lj3pQ?= =?us-ascii?Q?MqVbOg+EwbyLEzaHX8P1Rnqyo8vYi79Sntm6/PgcfGbqI92r9ZvmSdKjPC6C?= =?us-ascii?Q?n0rUc2yaPtTS9uD2XJyaCLMJJDSQQqDmxOAKFyejjFvMhtLJT7SgrHYoTV0L?= =?us-ascii?Q?Ekfir43qLjh7GiT8Dkn0M9yEdsM2TLd5OXT/yJrYkpQ0TMf7qySgmws7XfNh?= =?us-ascii?Q?w24Q1RCFLwWf+IgLNJHYpaKR+kRNil5Y4gO0zXek9qdklXUjH1PHBjALjCAQ?= =?us-ascii?Q?rIkGPPsW8d3OVsFzTrH8pQnlUiJe4lHpJ2NkEtxNvKPYkIBrJsPn5WD6LhdU?= =?us-ascii?Q?VKtB4u3h6Qm8bqcsV+jIyOTRXWigb1pJMf0EPIaGt3PtuCcuy1XYKHC5BToU?= =?us-ascii?Q?xMaookqUjmoXyAbybT7ng30jttkDIrLJpl925ROzimA7tYpub0qYanFaQOLU?= =?us-ascii?Q?H+JTjk6SH5x4KJZz+NWyzKEnV15kqMTSyD8pej5GADSTGrBZF+IH9zgmooXR?= =?us-ascii?Q?7+SFgt4TY4c4Sbgh2IJgUrrHfJd0yTXZlvctVBP2M4u4Y0VE3JjbYga0iNM4?= =?us-ascii?Q?XLGsnBHy501PV/GhAb/5TAx1C5SUfT/nrIx9LVERAqo86uDSSBPMQ42dEti5?= =?us-ascii?Q?+XW6Lu8BSDBuuiQ3KkYS5rwK8LHi?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR10MB8218.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?TJKXHrLBuufuLYmimMQxjuEL3oQHjYjSCgjaC82U2n8j3jvvdJbGlzkFyX5m?= =?us-ascii?Q?NXp81Gga2UQI0fF/KUmTVfR4U6f0AqeUJqKyy5Ev4yhY5iG6MsuCGeY5C1Ju?= =?us-ascii?Q?Fs2Ge+JBgoaZa8+YG0Ni3b3aTggrKkwt5EUn0djUH7DOeUuHaJ+pQQ6Kk6Nn?= =?us-ascii?Q?BVIFqC4UlCHWTKWk6t8nLGJLZKNGmpGtGB4BJXJDz4SW45AbZw7Akb7U/UrT?= =?us-ascii?Q?ExIGYNQ4gZB3ebgxnKY0sIJasxAwCIF0GeOXHa08dwUA7xUfvjKNGRBXbHG7?= =?us-ascii?Q?q/zst2zuafUMPBoDZ5h8a3qBFsur+huXa+8CA218EHagIiQloQp3IHD7YYGC?= =?us-ascii?Q?MKS5zel3qIEL1AOs+A4KTlsOzd0mvdNxVz3jNhUWfqKdbSbfSN/R6T8DCjGL?= =?us-ascii?Q?YZSCDo79AswCyQoupLAb21z36JeLvcxPa/G2wD10GCn4/sZGw/h7tmiSXq/Q?= =?us-ascii?Q?wSMnVprsf9uCQ4v44f1a7UzIUOBBJosO0GpXBQiCSbbFV/hIGstzMiknxa1q?= =?us-ascii?Q?TvQE8PsCwy47B2tC58ryTeKzoiU30rCuyiWxH2X7fJJfZtmmdGP4/vQmPQnV?= =?us-ascii?Q?aZ3P0wRro3VeyOOcTHXblxnoHsLSyM6O6AHGVJ8750XDkmd6Nwwg0JDCfPFs?= =?us-ascii?Q?QXeL4nOltg3aFF8VMhZ27Ln06R/5Snpr2cSM6ydMphlkJpK7QBXeLE2IvKj2?= =?us-ascii?Q?93FZrYpf3wIIL8rV+g/ahx2xgYqVqA1QyWRup3mrrGAtaU+/dlo0Fmcv/UGw?= =?us-ascii?Q?B2+PwbyEg/907jDTEOl2AS0WZH6w5qa2Wt1HtYoVVS0GdO4a/bfHDBikXdT2?= =?us-ascii?Q?TF72Z+nvfoFib8Qu033LJohuJeXKiL3i1J2+oZGExoia7CV5bTso3p3pAcmi?= =?us-ascii?Q?q0HLIqUB7A8Axu7PXAG1veq3Xl1ZpAAam1CDe91p3kLj6M4Hp+qXVbsIY5t9?= =?us-ascii?Q?moW1/kM+NvwjZ4AH1E4iPFYPD53CCy2L9yK2vIv2xTzOb5SOUYCOeAwGadsA?= =?us-ascii?Q?Vikw6KO3GU2mRt2oAPC1E+7NI8BVO7qmof5++CGcoTyBhIT2MubiVfo2JDDt?= =?us-ascii?Q?JzYvvL3sJU1NPKSJsnej8O0BP30QKiz8JhphTTSJ76LWOhbbqROX/ZW7Gq1b?= =?us-ascii?Q?DKg4ag/NzDuBCny3m6gWLPuF74LjX9AXH1UbTyx+IIPJamHGKT4T64i7xosh?= =?us-ascii?Q?Km95JeG0aKUCF+oysr8uLRHeHaPH4Mo2m+hzVM2F7h3GERQ9A0frwDswzEDp?= =?us-ascii?Q?kCcewxpT+awW3zblIJXyDu5kFlDQUUZDSTvbJfMYwG/FfZ/tHsxLtdnw+KL5?= =?us-ascii?Q?E13K0DLjr9ElephUvCu+REJRZ1Q4zOcpYX1AA41DWxFtt1pHvGP3PMOZ4ui8?= =?us-ascii?Q?9CUHwwVly373QmmrzZsp4A4zLQKefsHmISC6et2TuNu9Mvm9Z3h4X1ezBoj0?= =?us-ascii?Q?fKpJkv9EaInougCDnyBQ9NQbMxJDRYw9E3q8TB1t4fAcX1/fHN5nHF50QHPT?= =?us-ascii?Q?DLf5DHwqksvIT1mTxExNqsRnt98p3gTnUKJlxGzM3v5xtsWAP7aSWA3DTwFk?= =?us-ascii?Q?h9HLY2bL+n2TaYdLczPckZc6RoIjjun2ECfvLYt6zObQl/EVkB0FYZ8l7CxG?= =?us-ascii?Q?8Q=3D=3D?= 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: 2bedfd59-fd97-4ced-4852-08ddafdf7d4a X-MS-Exchange-CrossTenant-AuthSource: DM4PR10MB8218.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2025 09:47:37.1887 (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: ElpsNYdw9LPhzSFK1PPQtGpEbBuqf0QiL3pJExMZ5qzqBWz4kl8LQr4ytliB/xDc4YMlUcMcYJngvZVJSqFGxKoVs33thkJz8z9VKAzCygk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ2PR10MB7111 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=2025-06-20_03,2025-06-18_03,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 malwarescore=0 mlxlogscore=999 mlxscore=0 bulkscore=0 spamscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2506200071 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjIwMDA3MCBTYWx0ZWRfX1qFd8nHIGGkf zFtbm3QLq2qvV89UcQ1AA0Hw5WESg5LrN4Ll0PkMnzKuPp0yAHBBwyiXehI5JkVGSXwcl+7n5dp 1Q87dAlg0AVpHeCF2w6GEEB+/sslVAgh+l9DGUfGyCk9yQ3kHco0lbGnjTw6XSbT4xJAUI9OWl/ p2G+7cSmU+UBnb/nPZO1XdLuA4U7g5ryuqTtXh1lsA5S+puHSnwiZXg3rmfEZJs6bxnBv0T9SqD lIPLI/cO1JiOiXVg3X/3Uezv1KnW1h2kSsUEXSTisqsIuTdBMllFRXEX9TdAx8L5zHE/4wPTlFC AKSz+R52uIV9D2snxocgvW9CN9f3wsJIObFWdtahG0xPrgrcxm+/rGpmgwuUEbm+AG3O0DUiUEF jRLdN6sTGTXEmQo43/bJN5wfUxcxfAmSO/T8fE7l7Z9SVX3W+iIvVXlkLPKL3vmrb8N+1hDN X-Proofpoint-GUID: 2RZ5SyNkgCcM3h_ZiLcfwhovXsrdvLrt X-Proofpoint-ORIG-GUID: 2RZ5SyNkgCcM3h_ZiLcfwhovXsrdvLrt X-Authority-Analysis: v=2.4 cv=dvLbC0g4 c=1 sm=1 tr=0 ts=68552e3c b=1 cx=c_pps a=zPCbziy225d3KhSqZt3L1A==:117 a=zPCbziy225d3KhSqZt3L1A==:17 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=6IFa9wvqVegA:10 a=GoEa3M9JfhUA:10 a=VwQbUJbxAAAA:8 a=1XWaLZrsAAAA:8 a=edf1wS77AAAA:8 a=3g80flMcAAAA:8 a=oHvirCaBAAAA:8 a=hSkVLCK3AAAA:8 a=4RBUngkUAAAA:8 a=z_eI-7IpzQhbFHQK6yQA:9 a=BhMdqm2Wqc4Q2JL7t0yJfBCtM/Y=:19 a=CjuIK1q_8ugA:10 a=vVHabExCe68A:10 a=slFVYn995OdndYK6izCD:22 a=DcSpbTIhAlouE1Uv7lRv:22 a=3urWGuTZa-U-TZ_dHwj2:22 a=cQPPKAXgyycSBL8etih5:22 a=_sbA2Q-Kp09kWB8D3iXc:22 cc=ntf awl=host:13206 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 8DF9E140007 X-Stat-Signature: fkidybpjzwggbjq9e1iuznd4kezzy3kr X-Rspam-User: X-HE-Tag: 1750412863-707581 X-HE-Meta: U2FsdGVkX194bxeBOXmx7OVKdLAjmdjbto4mVbSPUBmAckooKoZ9KSDP9IuYA/fitWsM1mOFC6qbgeMU74+kZy6xjxRDwHbiaEPjxTdgLUBzLMbyKdX/l2jStbTUnQW1Di4bWtGRWDQPHRMTfA4YAZDh6Ht1YDXUTv1tZlauMWjI4eQQudZW555hMHz6Y8AzSMeEtXFW+oCWKWPFl7kKexDHJrj/eJASpcVVJ41n+T05dmiAqG9WV2nd9GMkYw6WoTmZnta05SkoMhJV3Mk0bs9Mbn3sRatIKribfd9uoUDPzC1JDW8m1PNAR69Yk7zgHnWzeBAf4xi7aKe54RYxddB5BPj0IhBbfReR9D4Xgau0Hbxrdak89KOgDNO5qCSPo6A309VpcFsNiZwSE+BzbxapZ+a0cfaXuenab+ECYSh0H5DIA0ru/8eC62mOc//DCjneRVQ8eTi5tr5516aH9leziwDgE/BIp74PVlop+iE+C3svPQvPCT8USm/A1KZyjTRRwQrl1OLPoHWCvwnxSzaGGH1NrnKSndi87+DPK+Prd8GFrSzyX+QDuEJaoeRxFPE3A9fibLqwckDdBSBno3QxWaVuJz9ICKe6pWmmQLUjIcWnpxam5tQgQhs5uiYe7FAqFYZ+mmt95Dc14huT01RZDURlv2PMEXpp/82pOf7aXj6Fq+mFgqoDGFTyf6WMnc2X1FSxKfd1ao/xBMz2N8cqjs0iK6rVfUr4+P2OC/3NJ7hkWEk0o13HwLy2k+/Dym1OYGyrZM8WSh69k3L0CSx6ECLaVp8GtR0jdqmOwYEnU0EvqHSnFhQhDLusFDpnntQIHvsWCMA5LE3TXUQhLXSUaaWpy3uEiw9gqf7UAy5fvdpN8zcoFRi4RyhEf+s4k74CkAuHsY97baGgSDemB/5EO0zZfUzh9S7edKhJzASASSjTzcrSr7nw8rlH7T/wEWbLiVQKlUb1baTXM3n CVn40UMK 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 6/QVGg9H 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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: Hi this has already been fixed. #syz dup: [syzbot] [mm?] WARNING: bad unlock balance in move_pgt_entry Original report in https://lore.kernel.org/all/68512333.a70a0220.395abc.0205.GAE@google.com/ fix sent as fix-patch in https://lore.kernel.org/all/46f4db0a-4b84-45b9-8b23-bb81493f776d@lucifer.local Thanks! On Fri, Jun 20, 2025 at 02:40:29AM -0700, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 050f8ad7b58d Add linux-next specific files for 20250616 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=1032490c580000 > kernel config: https://syzkaller.appspot.com/x/.config?x=d2efc7740224b93a > dashboard link: https://syzkaller.appspot.com/bug?extid=d400c4dc8b94eed678bc > compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 > > Unfortunately, I don't have any reproducer for this issue yet. > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/49faa18d2f53/disk-050f8ad7.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/7c6f9cd7fe5d/vmlinux-050f8ad7.xz > kernel image: https://storage.googleapis.com/syzbot-assets/84a08d6403ee/bzImage-050f8ad7.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+d400c4dc8b94eed678bc@syzkaller.appspotmail.com > > ===================================== > WARNING: bad unlock balance detected! > 6.16.0-rc2-next-20250616-syzkaller #0 Not tainted > ------------------------------------- > syz.9.959/9941 is trying to release lock (&mapping->i_mmap_rwsem) at: > [] i_mmap_unlock_write include/linux/fs.h:557 [inline] > [] maybe_drop_rmap_locks mm/mremap.c:197 [inline] > [] move_pgt_entry mm/mremap.c:686 [inline] > [] move_page_tables+0xf51/0x2940 mm/mremap.c:1358 > but there are no more locks to release! > > other info that might help us debug this: > 1 lock held by syz.9.959/9941: > #0: ffff88807cafc260 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:374 [inline] > #0: ffff88807cafc260 (&mm->mmap_lock){++++}-{4:4}, at: do_mremap mm/mremap.c:2371 [inline] > #0: ffff88807cafc260 (&mm->mmap_lock){++++}-{4:4}, at: __do_sys_mremap mm/mremap.c:2453 [inline] > #0: ffff88807cafc260 (&mm->mmap_lock){++++}-{4:4}, at: __se_sys_mremap+0x3c0/0xc60 mm/mremap.c:2421 > > stack backtrace: > CPU: 1 UID: 0 PID: 9941 Comm: syz.9.959 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 > Call Trace: > > dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 > print_unlock_imbalance_bug+0xdc/0xf0 kernel/locking/lockdep.c:5301 > __lock_release kernel/locking/lockdep.c:5540 [inline] > lock_release+0x269/0x3e0 kernel/locking/lockdep.c:5892 > up_write+0x2d/0x420 kernel/locking/rwsem.c:1629 > i_mmap_unlock_write include/linux/fs.h:557 [inline] > maybe_drop_rmap_locks mm/mremap.c:197 [inline] > move_pgt_entry mm/mremap.c:686 [inline] > move_page_tables+0xf51/0x2940 mm/mremap.c:1358 > copy_vma_and_data mm/mremap.c:1807 [inline] > move_vma+0xd5e/0x2010 mm/mremap.c:1913 > mremap_to+0x7e7/0x8b0 mm/mremap.c:2106 > do_mremap mm/mremap.c:2396 [inline] > __do_sys_mremap mm/mremap.c:2453 [inline] > __se_sys_mremap+0x8f5/0xc60 mm/mremap.c:2421 > 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: 0033:0x7f4030f8e929 > 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:00007f4031dde038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 > RAX: ffffffffffffffda RBX: 00007f40311b6240 RCX: 00007f4030f8e929 > RDX: 0000000000200000 RSI: 0000000000600600 RDI: 0000200000000000 > RBP: 00007f4031010b39 R08: 0000200000a00000 R09: 0000000000000000 > R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 > R13: 0000000000000001 R14: 00007f40311b6240 R15: 00007ffc335a19c8 > > ------------[ cut here ]------------ > DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff88807b05b2e0, owner = 0x0, curr 0xffff88802cc51e00, list empty > WARNING: kernel/locking/rwsem.c:1368 at __up_write kernel/locking/rwsem.c:1367 [inline], CPU#1: syz.9.959/9941 > WARNING: kernel/locking/rwsem.c:1368 at up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630, CPU#1: syz.9.959/9941 > Modules linked in: > CPU: 1 UID: 0 PID: 9941 Comm: syz.9.959 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 > RIP: 0010:__up_write kernel/locking/rwsem.c:1367 [inline] > RIP: 0010:up_write+0x3a2/0x420 kernel/locking/rwsem.c:1630 > Code: d0 48 c7 c7 60 ee 8a 8b 48 c7 c6 80 f0 8a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 23 3b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 34 81 a1 8f 80 e1 07 80 c1 03 > RSP: 0018:ffffc90013b0f530 EFLAGS: 00010296 > RAX: 3396a5242025d900 RBX: ffff88807b05b2e0 RCX: 0000000000080000 > RDX: ffffc9000e491000 RSI: 0000000000031dc6 RDI: 0000000000031dc7 > RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 > R10: dffffc0000000000 R11: fffffbfff1bfaa14 R12: 0000000000000000 > R13: ffff88807b05b338 R14: ffff88807b05b2e0 R15: 1ffff1100f60b65d > FS: 00007f4031dde6c0(0000) GS:ffff888125d40000(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > CR2: 00007f4031dddf98 CR3: 0000000057f30000 CR4: 00000000003526f0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > Call Trace: > > i_mmap_unlock_write include/linux/fs.h:557 [inline] > maybe_drop_rmap_locks mm/mremap.c:197 [inline] > move_pgt_entry mm/mremap.c:686 [inline] > move_page_tables+0xf51/0x2940 mm/mremap.c:1358 > copy_vma_and_data mm/mremap.c:1807 [inline] > move_vma+0xd5e/0x2010 mm/mremap.c:1913 > mremap_to+0x7e7/0x8b0 mm/mremap.c:2106 > do_mremap mm/mremap.c:2396 [inline] > __do_sys_mremap mm/mremap.c:2453 [inline] > __se_sys_mremap+0x8f5/0xc60 mm/mremap.c:2421 > 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: 0033:0x7f4030f8e929 > 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:00007f4031dde038 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 > RAX: ffffffffffffffda RBX: 00007f40311b6240 RCX: 00007f4030f8e929 > RDX: 0000000000200000 RSI: 0000000000600600 RDI: 0000200000000000 > RBP: 00007f4031010b39 R08: 0000200000a00000 R09: 0000000000000000 > R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 > R13: 0000000000000001 R14: 00007f40311b6240 R15: 00007ffc335a19c8 > > > > --- > This report is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@googlegroups.com. > > syzbot will keep track of this issue. See: > https://goo.gl/tpsmEJ#status 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 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