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 54C67E7719A for ; Sat, 11 Jan 2025 04:30:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id DA8006B00B3; Fri, 10 Jan 2025 23:30:05 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D57546B00B4; Fri, 10 Jan 2025 23:30:05 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BAB6A6B00B5; Fri, 10 Jan 2025 23:30:05 -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 982086B00B3 for ; Fri, 10 Jan 2025 23:30:05 -0500 (EST) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 49ECB1610CE for ; Sat, 11 Jan 2025 04:30:05 +0000 (UTC) X-FDA: 82993893570.19.10BF9E0 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) by imf26.hostedemail.com (Postfix) with ESMTP id B9E73140009 for ; Sat, 11 Jan 2025 04:30:01 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=WbqwR86U; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b="vxICCoS/"; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf26.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; 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=1736569802; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Y5HWYX3TrNyK7Thj0kydk1Vq1W2clwfFn6aadNW6lHU=; b=s5SeWoEUVPtccGbxgnXBCij1O+Qe31eZ5DgWt3Gl7IMvY5fComrf3gBMtVchZ1Sc4zXLkg vcxTAWFcHVYBIh/88zasJnxc6pktw95/SaVap8jh0M9FaJ5rOTJ4Or/0PEUy9ZVkYmU3u+ Uacg60HB/BGS3uaZ9AKa/x0qIcX9SUQ= ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1736569802; a=rsa-sha256; cv=pass; b=dU5iGzKhSEgnZMABscApvBWSCuiZQY8503/Hh1/k9e32n5II7dwtgk6j7RW8UqgkZ9yMEx mYcy0+PKHWXNhEzDoadRq2a+FyJg7XxUkBAa/9tA9zAw6XVu4uYlsSqmuFhDL95KC91FoW W+PHv1KM6QIXWIBH4YP/87wFRWKJfps= ARC-Authentication-Results: i=2; imf26.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=WbqwR86U; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b="vxICCoS/"; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf26.hostedemail.com: domain of liam.howlett@oracle.com designates 205.220.165.32 as permitted sender) smtp.mailfrom=liam.howlett@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com Received: from pps.filterd (m0246627.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 50B4QqTZ029401; Sat, 11 Jan 2025 04:29:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= corp-2023-11-20; bh=Y5HWYX3TrNyK7Thj0kydk1Vq1W2clwfFn6aadNW6lHU=; b= WbqwR86UsrsknOpq2sT4Y8opTEwHvNzgCgf7RyIfPM6O8sF+zqsspt9NZWfkEAVL z36P7A61TFwxB/96L3rw4I3SM6DUupS1rQMeZWoMPvfQBTI32QWgCWDRqOuoFXwu cW7PB9S+8/yiM7ryJZ/ZrKysCha7t87bmCNYI2mqyDIsQPj0lOyPqedY9YfS9DN+ JY6OTKBEmmVgg03OPAV2SRBoTBDnKf7A0ePpajaVdBHfIeNbccwza5fbSVAWb9UT 8m72EbcAo9rkX4b6t9CipjF+nORrBPJyCjCJe+8kU9bs1ckNiqe4jv+SoAavb+iI 966Rz1MlJJgwA6lyANgVZw== Received: from iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta02.appoci.oracle.com [147.154.18.20]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 443f7y02tj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 11 Jan 2025 04:29:54 +0000 (GMT) Received: from pps.filterd (iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 50B1Y2WW020406; Sat, 11 Jan 2025 04:29:52 GMT Received: from nam10-mw2-obe.outbound.protection.outlook.com (mail-mw2nam10lp2049.outbound.protection.outlook.com [104.47.55.49]) by iadpaimrmta02.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 443f3bjjye-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 11 Jan 2025 04:29:52 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=kdB4qB6eMDG1HeRRVrPloaqdRQK9aIt3uUQRMDIxmZ8IdT6W+WJG1QThA02Zv0X6eatNFspgGY7Sghw6LzWnmDel8K33c9NKWRVejg05NvsTLHRWP8s167r9MY8gB69PkRCU8ZBfjx6EbtsKFoTJ0t3yAI8LlQuFrwaetDjM6xGACxo2ayLN1ZT/yj5GPreAmJi+GFhY65pwQu9LcwJVv3cHvRnUtpVGdwdeEn2Z2gxQQcFPG1Q2GrQe/KfjneDHFKxVYnpVg0TLkKsEf5MhX4pvOoua4dp3ZsE/GixdTx2LW3zFATwANkClf7l+tGSWqNK3RccVN7llBgR6uxk6XQ== 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=Y5HWYX3TrNyK7Thj0kydk1Vq1W2clwfFn6aadNW6lHU=; b=C4jeTWBDPmJlV+TzEIzWZZxbhObEqLoWqHYP43KyoupNh0rP2MtxMYSQlWGqnK+66slnNqx4d7uv500Cc6c2WtnH5stZoVVTCl5wmEGV4Q/hb4HCP7g5Xie2v63WYK2rZE7cmPL4pNqvipiL09zt4wF3IjWgeQmgK6+COy4y9S+tSQtyQh4R2OGYYcmbLtoN2eRMoIb9nyTN7UcapF8ajkI55HwyTU6fiPbJ0q4ko3If84eZCXKDLbUQefoz1MrlEUaMkoaIx30qwTiHweT4O264131nHWk3kDYd6QzNHR021/9TGHb1HP2dV5NbhWDCX0YLI9BTKLeRLMs77cHxAA== 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=Y5HWYX3TrNyK7Thj0kydk1Vq1W2clwfFn6aadNW6lHU=; b=vxICCoS/6YJ6pRAWrvH3DHh+05mf/95FGTGcVhImMX2Y9bsC0YQQ6h1kz5eBmXhtm34LKYfp6RIBQILgdXV6OhgWbIVHhlOTLo535B1nfOcC5zP2wbv6oIMW95nlF/nGOry6z9wrvdhAPzQEiavTy8Pp6dqMcbx00zGnJni1yZk= Received: from PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) by SJ0PR10MB4734.namprd10.prod.outlook.com (2603:10b6:a03:2d2::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8335.12; Sat, 11 Jan 2025 04:29:50 +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 15.20.8335.011; Sat, 11 Jan 2025 04:29:50 +0000 Date: Fri, 10 Jan 2025 23:29:47 -0500 From: "Liam R. Howlett" To: Suren Baghdasaryan Cc: Matthew Wilcox , syzbot , akpm@linux-foundation.org, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, Lorenzo Stoakes , David Hildenbrand Subject: Re: [syzbot] [mm?] WARNING in __folio_rmap_sanity_checks (2) Message-ID: Mail-Followup-To: "Liam R. Howlett" , Suren Baghdasaryan , Matthew Wilcox , syzbot , akpm@linux-foundation.org, hdanton@sina.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com, Lorenzo Stoakes , David Hildenbrand References: <676fee37.050a0220.2f3838.0497.GAE@google.com> <51de00af-9860-4617-80d4-8c9818bcce3d@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: User-Agent: NeoMutt/20240425 X-ClientProxiedBy: YT4PR01CA0377.CANPRD01.PROD.OUTLOOK.COM (2603:10b6:b01:fd::26) To PH0PR10MB5777.namprd10.prod.outlook.com (2603:10b6:510:128::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR10MB5777:EE_|SJ0PR10MB4734:EE_ X-MS-Office365-Filtering-Correlation-Id: 3ba0c33a-e14b-417b-b13a-08dd31f8965a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?Vlg0WnJhSmVwaVZ2TDZQK3IxMDN4MmJvTjZNQW1oL2xWTUZJd3pQdnRsSW5R?= =?utf-8?B?NnhoaVMxamdjT2wrOVZDbFhDTnQ5MmIvNDdaMW0yMjdYcVhPTDdCS3NWS3k0?= =?utf-8?B?WUcrOE1GVzI1a1BNbFVLcnFkVVhwQXJmMXVIUjhFRXlIRkJjZDRJc0JUaU9z?= =?utf-8?B?dzkxdFkxTDN6SHU1dnluSmJhWFpjbXBSSUpteHVyNWErdjdpL3N4ang1Zkt4?= =?utf-8?B?aFRBZ2QzOS9CSzlQL0p0cTZZMHRreko3R3dYSEpreEZlQTg1cUVuK1V5WkRJ?= =?utf-8?B?MHhtY28yOFJTNTZkMUtwWVJiK3ZYZDZJbHBQbko1ZHJ3YnZReTdmK1BSVkhG?= =?utf-8?B?N3Q0NjRHdVJ6TDFtVi9MWC90TDdGVE1JZnVqWEYvckxTNGgvVnhKcDVDY1h2?= =?utf-8?B?YnBJVFdXVjNQTHYyYWR5d2NKUGE4WEYwaHdSNmdNaGlETzI3dU5YR0NrdnNy?= =?utf-8?B?NW5hYXpSU2dLUVNIS21USmdYWU5rWkRUYXdwanZvUkx6TUhBNngwRzhSeUNt?= =?utf-8?B?OU4yTUlJRHdPaFBjWnZvOTE3K2RkbnNnVmVkSUIyQnE3YWpZWDU4UHNvK081?= =?utf-8?B?TXg3VWdGYU1DMUVlZUY4MG0xMktuZis4eWh6bTNsSzVlc2ZEUGNESWFrSGNh?= =?utf-8?B?WU5DL0dSL29Uc1ZTMEFjVy9jaXFFN3MvMk5iZFRXUDRCcmlDWEliMzR3TmMw?= =?utf-8?B?YlhONE1OWnlSVTFOTTRPRmtORFdqMXduYkdGZitUdjN0bXJObm5GUDRJYUtR?= =?utf-8?B?dGZzVDJSaldpbUtsQ0dmbi9tT1c2RUdCVWRQMU9EeVFQNVEzZm9kOFdlVU02?= =?utf-8?B?ZWNWSzg2YUNWd0FVWmR5NFA1NDFuRmxJSjIzR1RxU1lOd09pY3pGWW81VVMv?= =?utf-8?B?TG5rcGhaT3VrbWxBZU1YKzMvYUtIRkJyQThUb3NESkZOb21xT0dwbm5sbHQ2?= =?utf-8?B?enk3UFNsRkNzR3ArZXh1Rkh0V2VIZG56VmtMUDVXZmRnd1RxMFFsbVcwelpY?= =?utf-8?B?aGlyWFNHWnhlcHZEQ1FINXAxSzJPdmxWbVVhak5rTlZMZ0t4V05lbkZFNzV3?= =?utf-8?B?MW1YZGFPWlpPSWVBZEF4QUsxejc1M1JFbU9mK1QrejJuVFQwZHNjQ2Robmcy?= =?utf-8?B?MzNEWFdvWEY0VDYweHoxd1Zoc1NIcmVuelZyWm0xNnBwcDZVTUxaVG5VVlk5?= =?utf-8?B?NnF6aVhzNjRiWnVEVjlDa3c4WWx0S1Z1YWRIclhOQXB1cXl4NTl0OFJ3bkdn?= =?utf-8?B?TWdVY3ovWXBLSkYxSlg2ZWdvU2FmenhmaFcwaHB2Wk9jL29GNTIweCszOGVr?= =?utf-8?B?TkllS25ybitPYTBZWGpGcjZvVzJEMjZrQlMxeGN6ZW9KUzB1M0h4Y1V0Z1Ew?= =?utf-8?B?RExoMmVidkc1blk3Z3BjcElMNHRTUWJWSElBWjFQZjNmSTloaG9DS3gzZ3Bo?= =?utf-8?B?dFo0eHljWE05VFpWSjExODJXSGM2N2FaZjd1NC9vcnNVN3NvTFRKVjNVcm91?= =?utf-8?B?eGVsVXpYVlUrZDRWSlhqaXJtZE1MajFscW9GWDcyb25KM1d0dFdNU3pmNzhn?= =?utf-8?B?YXUyaHpVeHVLMmRJY280ZCtaZnlaakhCS1lVUzF1c1UxTjhEYkJ5RkZSR29C?= =?utf-8?B?U0lLbnE2ZDl0bW1SOHBMWWs1Qmd4enAvMFAvSmtWQ0FMbzQ2blRQRDJTRk52?= =?utf-8?B?bnAvTTZWa0JzeG5FaTFkZm1zRm5WTlYyYUVTdFBQWFd3V2NiR05uR3dibnlz?= =?utf-8?B?VXhsOEFQT0NoSkY3VVRHSS9RUWEwSDloakdTcTQwaThlSXJkelZSRkZrMjhD?= =?utf-8?B?c1p2M3Q2TzVRYkIzQjNKTHNDZ2g4cXc4MXRnakNLenMwLzJUQVBHWFd2S3dU?= =?utf-8?Q?vC5IewOH9QNk5?= 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)(366016)(376014)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?N1hZdmtjSHp3a2RSUHROOG1OSFpTMVk2MHBTcTd6VlpQVzcyRzFVVGlSbDRn?= =?utf-8?B?WEJtQ1cxcWhZQTFQZG5iRWJQYWFLTDh5VmFRcnR3QTlMdnVFMkprcVVlczhr?= =?utf-8?B?VlRQQTU2Sm5UME5LUGIyRHpDMjhGRFArY1B1TmZRWStjTldrR3VUdWt5eHJn?= =?utf-8?B?ckRHdDlBb2paNWszUGE5c1p3OGFxS3k1NjJMUFE0WUtud05LOG1tZytWVWhs?= =?utf-8?B?b01FckN2UnNEQ0dsQWQvV0NwcFh3N29CSWI4RjFiVXpxRHhGQzF4ZU04eEts?= =?utf-8?B?UjdWTzRpL3BBR05rNmdQZXFiTEorSUdOdXpLUFVKVTV5UDlYSGVNUitxVEd5?= =?utf-8?B?Uko0T0V5empWV2pzek5BOXpYS0NmQ3BOamV3Tzc3T1FYUldpNnplTXNpKzYy?= =?utf-8?B?SVptRUtIaGVISkUvenF5ckptOXBJZG1rK2FRUlc5MERiSStSTzZvdXRabURv?= =?utf-8?B?MDI4RmVZdjFrclNmSHVrcndCU0lkM1JkcWFmcngxazlrS3pDL2pjK2RackJ4?= =?utf-8?B?S2lQUzl5UlFmWGh2RE1UYVdLbkNQS1NGeWRuQThMK2E0SC9mNkxOR0pqMTBz?= =?utf-8?B?dzFjTW43ZE5UOFU4QzVydGVoRGJBSzVncTdFWUJkcE9OdEVxc3E4RXowc2tq?= =?utf-8?B?alcxNnpZS2ZQeERsSExSUzdTZVY3dmgrWDFEemlQTWxQU0FKRnQyaXV5a2xQ?= =?utf-8?B?VElsSzRKcUtGbCtaL3daSGliK09USHFGcFB4T2FwK3RCSjBYc0tUQXNkNHhr?= =?utf-8?B?VU54UEoycmM1VU1mWHFKVXg2YmIyMEtmOEN6OTVjdVAxL3VHRHBXekRUdzYr?= =?utf-8?B?TVdOdnNrMlNvNkRBeC84ZVM1dzd4cHcvdjI2czY3TjFJcURJaDhacFBMcSt2?= =?utf-8?B?TEpsT3dkb01nOURWN0QvYkVTS0syYXBLVmdwNDlST2Z3WHdudVdFd2dyQlR0?= =?utf-8?B?U1hzZHVkb1lzVnFHSGcxY0NkMjVoaE1jbmJaQ3dpYVBSeEhwZlN5UFJPcXlL?= =?utf-8?B?UUNyNUgzWllVMlVMaW1jYXBtaVh1RFM2NVFrR2g5UjVHL0hJMGNYQlV6b2JG?= =?utf-8?B?UW9IZTVhRHIvOGJ4RGc2L1dVaWRrcjZiRmVsbHhsTGw0ZHRsR21yeVh1SnhG?= =?utf-8?B?R3QzbWV0T0p1VUQ2N2pMOWtlYWY1L2ovLzgyZENHeFZBdHlJOXNCNTROdTlL?= =?utf-8?B?SGpqdE1DRUFjM29SODF3NEZEKzN6QUZEa3pZTmNYa2dDSXJJa1N3Ym9XdTlw?= =?utf-8?B?OHFQTm1kVVhlRzZqN1U5T0ZWWXpvU2Qvd2VPN0xrWkMzS0NaSmVBaC9iVUZk?= =?utf-8?B?TDRXRll6L1VJQkJHTFZEWGNpM0pqVnA3Q0YrQ2t0YlBNc2RLTlJjSU4yL21O?= =?utf-8?B?UmIrazBRWjZJVjVNdFVSMWw4Tk9sTGt0MVRjRmUvZlBjbnliMG1DKzBxU3dJ?= =?utf-8?B?dWloOTQ3NFNrbTRlS2tSWmRLMCt2bFRBMmFvL2tEbXlqMmZ3TzhXY3ZDQlg4?= =?utf-8?B?V0d2TzNmN1JvVko3SVZCTEhWNmFYMU8xby9tQkpEZzVGRUxHaURSNnIvSGNN?= =?utf-8?B?Z01oRjVkTGZWd2RtQmNqaEkrbTBKbE93UkxuRnhmaXhPaThYVVZ4VXBmYS9k?= =?utf-8?B?VHdFZVNyaHhmWHYvdm5sZXU0bzIzMTJkMjZHYXZQZUVDYmI4VGE0eG9vS1Vp?= =?utf-8?B?cTRhbDlrNUtsdHRneEFDclFFVFdJQmlwL3pCL2pQZGtZVnpwelJaNk9KSWxG?= =?utf-8?B?ejRPYWhudEYvbWdLYnFGYjVTcldqYktVN2tabEVLa2tHMURra25hMG5KUFh2?= =?utf-8?B?YUt4c2dWOExDenRIME1zZTZ6Smtlc3B1bE9Hd2MrbmlCQjdhWnJkekxhazhE?= =?utf-8?B?Vjc5ZUNwOVplQ09zcDN0Q0xud0lwSFgyelU1UmRydkFiSXYrVzNWZ2VoSklO?= =?utf-8?B?ZFpObjNhamZpZ0d1RWo0RTZkZTZ4NnFkdmhSMTBWK3FBRlp0TWRRbnhpazhj?= =?utf-8?B?dDNwVGlMQmRRSVh1RWk3a1Vub1FkSzY0Tjdjd2UvN3ZCRWw2aStiL1BpWVhX?= =?utf-8?B?SG5GOUxENmxEUzJjd1JXNFVpTWs0Tm9wTHd5c2ZGU1UxMVoyQUY2YURHZmhC?= =?utf-8?Q?5ee1vQjaCHLe5cMzGfK778SMQ?= 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: 3ba0c33a-e14b-417b-b13a-08dd31f8965a X-MS-Exchange-CrossTenant-AuthSource: PH0PR10MB5777.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jan 2025 04:29:50.1966 (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: misLkYzFp9T/6W3WKHIF7wLAaMzfwtyG8oInm5cIR8yLO2kJt0fqbd9OETJkbxJv0zDgjlyGsX4HULYsxi2UaQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR10MB4734 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=2025-01-11_01,2025-01-10_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 adultscore=0 spamscore=0 suspectscore=0 phishscore=0 malwarescore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2411120000 definitions=main-2501110036 X-Proofpoint-ORIG-GUID: vSQx6lj8cNv6kPMWsmikirvIsX2Pv4RS X-Proofpoint-GUID: vSQx6lj8cNv6kPMWsmikirvIsX2Pv4RS X-Rspamd-Queue-Id: B9E73140009 X-Rspam-User: X-Rspamd-Server: rspam07 X-Stat-Signature: ey9y6x3hxf86e9ttwdkofao4nz1g7b5k X-HE-Tag: 1736569801-380508 X-HE-Meta: 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 VQzDG9xu 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002968, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: * Suren Baghdasaryan [250110 16:25]: > On Fri, Jan 10, 2025 at 11:56=E2=80=AFAM Liam R. Howlett > wrote: > > > > * David Hildenbrand [250110 11:31]: > > > On 10.01.25 17:27, Matthew Wilcox wrote: > > > > On Fri, Jan 10, 2025 at 05:19:54PM +0100, David Hildenbrand wrote: > > > > > On 10.01.25 17:14, Matthew Wilcox wrote: > > > > > > On Fri, Jan 10, 2025 at 04:48:03PM +0100, David Hildenbrand wro= te: > > > > > > > If I would have to guess, I would assume that we have a refco= unt issue such > > > > > > > that we succeed in splitting a folio while concurrently mappi= ng it. > > > > > > > > > > > > That would seem hard to accomplish, because both hold the folio= lock, > > > > > > so it wouldn't be just a refcount bug but also a locking bug. = Not sure > > > > > > what this is though. > > > > > > > > > > Yeah, but we also have > > > > > > > > > > https://lkml.kernel.org/r/6774bf44.050a0220.25abdd.098a.GAE@googl= e.com > > > > > > > > That one is a UAF on the vma, so it's either a different issue, or = the > > > > problem is with the VMA refcount/lookup/..., not the folio refcount= . > > > > cc'ing the relevant maintainers. > > > > > > Agreed, it's all a bit confusing. > > > > > > > This might involve Suren's patch set which changes the locking of the > > vmas. >=20 > Possibly... The patchset in linux-next on Jan 1st was somewhat > different from the latest one. Yeah, I asked the bot to retest the latest unstable (which is still somewhat out of date..). I suspect it'll be okay now. We'll see what it comes back with. >=20 > > > > Suren, if you respin and it's not too much trouble can you please make = a > > git branch with the latest patches for easier review and testing? >=20 > Ok, I'll see what I can do. Thanks, I appreciate it. Regards, Liam