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 0BD0EC5B543 for ; Wed, 4 Jun 2025 05:18:08 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 61A0C6B058E; Wed, 4 Jun 2025 01:18:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 5CBA36B058F; Wed, 4 Jun 2025 01:18:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 46C946B0590; Wed, 4 Jun 2025 01:18:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 21CFA6B058E for ; Wed, 4 Jun 2025 01:18:08 -0400 (EDT) Received: from smtpin19.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 3950FC03FF for ; Wed, 4 Jun 2025 05:18:07 +0000 (UTC) X-FDA: 83516561814.19.1129DB0 Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf14.hostedemail.com (Postfix) with ESMTP id BD7FC100005 for ; Wed, 4 Jun 2025 05:18:03 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b="a39kgYU/"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=aV5Wbean; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf14.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@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=1749014283; 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=vt+0jNNcFNUylVTQsV8mIJlb00kuG8oy042mvj9O7ik=; b=wSKmbkO0ek8Lx0UqEiWEWFL6it/H5iPRewh5sZ7O2adEA8ZeG9JPUGv6ByvztyERfI3VEy brkjZlmHV4H28XEPSMC68LS3xcezmo1os3PrSOcS1mU1YX/55If423SHR3CjEx4vCbIbSV J4IU7jef14JKgymNTVOUbV1K9Nl9x0c= ARC-Authentication-Results: i=2; imf14.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2025-04-25 header.b="a39kgYU/"; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=aV5Wbean; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf14.hostedemail.com: domain of lorenzo.stoakes@oracle.com designates 205.220.177.32 as permitted sender) smtp.mailfrom=lorenzo.stoakes@oracle.com; dmarc=pass (policy=reject) header.from=oracle.com ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1749014283; a=rsa-sha256; cv=pass; b=cDjVC7a9UhDXCspmFXjKIyIYhdzDXyEPaPAkRr/B014Lq/3llT+XkySX6l6jgGCOtbRSsg VJgia7BLZ9xq53rUM1AI1kqDGDi8/Jatlh8Wpy7s3WPxeatpjeFL4bNmd+fdTPAbcOteSO Z91N2sqZZVvZt0O82JDj6AyJ4rUez9Q= 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 553MN1Uu027670; Wed, 4 Jun 2025 05:18:01 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-2025-04-25; bh=vt+0jNNcFNUylVTQsV8mIJlb00kuG8oy042mvj9O7ik=; b= a39kgYU/vb8FyA6/OdKjOIs4ro5aIB1p0qB8HgzAwshGhAaeQScU4gTymkhhbY+k ni8ljXKlyftBJxO1NIuM2gYv7jJkIddAGX/L/j1DBJeGFH1GCz5ib6OLtkm8wxAr G8uxy3hkC2h1TJIXsXmLf7blhKqAzkpZ8gOdEKNKtOkHH1Xx56+u7BaelJHCXD3b /nNjLUiKGqo9ln7NV07wEn6WfxQ8qEY59Phg7TxoegQBn1Riv9txeaeJAUBsHqwk HaPrt+PlBwTztbCOTd+G90sdRAWQh/bdrXgTQ2VKudc4gT2p+3D0w1ry90IN8cTu ijLLYZv5Q2Iyb4RbTTwokQ== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 471gahb93u-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 04 Jun 2025 05:18:01 +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 554523Ih040095; Wed, 4 Jun 2025 05:18:00 GMT Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10on2049.outbound.protection.outlook.com [40.107.93.49]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 46yr7aj1pm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 04 Jun 2025 05:18:00 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=hbtt2e7RYP31477OgGWi2s6xHOer5wzbipH2xSfEDQhMcC1qgoJSNWEy50M+l2F2mFqCfGFsVGQOubNBhzz8sMYPPDDrhF+rk29J2Y9loJb/husqenuyMqXJz+FHrU+f68wwQzL7otUuhv1FTIdnHM7DZko+z+Vn/016Dn1v5QBrHI+7zlz4gbZGuO8rkZQzLeZPlbW8gFesmBGFQyJzqEx1kCmHxm6V2ynQhhwgFgAC7bMgwMlnYQfq+GpdE97/PYuu95M+zShqPGk1uUfWn6wCakWrw+czYeavXvEWOhM94R5oWZEsvhrVDRKiRh/UN0r2Nd4aHZJttF7H+bdoFA== 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=vt+0jNNcFNUylVTQsV8mIJlb00kuG8oy042mvj9O7ik=; b=B2PS9U0FSaSUOXCraX4YL4S8eYBDUyTBIX9yV4+J38j1syEbVbRE0jtByHk1agXbjqyUfKRZ7cA5c/gyCu3C+qeeItrDpx0XJ1VGeBq+u8YKYdr2//bIBXrwoKnYXH8GFQKedcXVfkQIxc+CmAymuBgXGEflamGHCTA1fxGCQqFJLguUEhSi3J8+Cotr9sC1jFjDe3EpA15sJTnmGJv+uEYu+U6kfB9uvgtv70nHVDI20CHUhZ4m2mGtT1HpUab0Fu1Gj+lV3ejDyGQDkMCA7iYeZWtj59AGdeJSsHahhzH24472hEgx7+vKiklFkjGUBRw5YWw+oZb4XshaSrHBkw== 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=vt+0jNNcFNUylVTQsV8mIJlb00kuG8oy042mvj9O7ik=; b=aV5WbeanS1MZ3loM02qdceLvWB35PaXqaOiv3P7ru7/7GW4SmWuCpHpMEGjNpEa8dvebh4KQv/p7nu5QhWQpIf65+n5AQzSMwVXFVgHw+WoB4rm6pSpSjzq1/az5gbHs5N3YA6GxLBEFlOujhRPL/B4NqzIPwe4tCiOO0Uzpkyg= Received: from DM4PR10MB8218.namprd10.prod.outlook.com (2603:10b6:8:1cc::16) by CY5PR10MB6072.namprd10.prod.outlook.com (2603:10b6:930:38::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8746.41; Wed, 4 Jun 2025 05:17:57 +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 15.20.8746.041; Wed, 4 Jun 2025 05:17:57 +0000 Date: Wed, 4 Jun 2025 06:17:51 +0100 From: Lorenzo Stoakes To: Suren Baghdasaryan Cc: syzbot , 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?] possible deadlock in __vma_start_write Message-ID: <732ff578-d11d-44f6-8406-aadb14546b84@lucifer.local> References: <68387feb.a70a0220.29d4a0.0830.GAE@google.com> <04c893fe-0498-4847-a525-9efb6d9306da@lucifer.local> <59aed5fa-1d19-442b-9b7b-a99aee9b7689@lucifer.local> Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-ClientProxiedBy: BE1P281CA0318.DEUP281.PROD.OUTLOOK.COM (2603:10a6:b10:87::11) To DM4PR10MB8218.namprd10.prod.outlook.com (2603:10b6:8:1cc::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM4PR10MB8218:EE_|CY5PR10MB6072:EE_ X-MS-Office365-Filtering-Correlation-Id: f411b9cf-57cd-4eef-5196-08dda3272aba X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?NGxjbFVhQmNFVjlINzFvOFlvc2hjSFNTWHdSNGFjRTQ2eG1DcklnVGx3Z1dl?= =?utf-8?B?R2VwU2NBK2xDWXUvRWNWME5yNThGc0tUMkdPVHFMRktZeEMwY1ZmZFdiNE1R?= =?utf-8?B?RnpVMUFyNkJxZlJyTU5TYzIvYUxTSTU1dWV3WlFaR3NUeHpkdkdTNEhPL0Rj?= =?utf-8?B?LzRLQmFRZDJlM0l5NDVJMjhtVy9aeE5GS1drNGh3OXFXamVaZm5uRitBb2FR?= =?utf-8?B?T1RpZmhpVWVGNGZUYmpwdUg4OFRRUU0rNGpUSGRoWDJidXVVL3NLNkdYWHZw?= =?utf-8?B?bFRkQVV6bDlOd0h5RlN0bm53S3lqZ2o4UmxjRWx6azRCb1pESjRnUHNlUXdE?= =?utf-8?B?T1JSNk90cjk4QXNhUXIxanoyOE9odlNUTHNURC9pTVhGQWJVS2s3TjNXL3U1?= =?utf-8?B?d0FXM0dMSmFvejFLVi93MloveExBSmx1cTNhRmxJRXFwNUNRWHZjeURGb1Zq?= =?utf-8?B?dWp1RXJGbmhSTVNrRTJMTzVFem9TZVlBSVlQSGRFZmwvTElPWm5NRUUybFhS?= =?utf-8?B?OHhZZHg4MEUvY2MzcG5TVHR5c2s4R0NZdjFob1VzMS80WTVqbXBaWEVYYzJ1?= =?utf-8?B?MUFoWGhiMGYxdjNneTk2UGFudGJkSjg3VnVRbDBxNlYwSkpkUnk2Rk1PbTBM?= =?utf-8?B?YVl2OGtxclFuelZMaXIxYU1yeklwZnpXdXI5M2ZjM3FQcFRzVThVUS9DTEZV?= =?utf-8?B?M0tTMlEvZTJnK2JyZGRVNld3VTdCd001S2VKK2FXN1dzcE5xTnZpNVRSQjNp?= =?utf-8?B?UThBTUJGdWZRdmp4eU9tbnRScDU2b2kyK1VqYWN2aGxOTGt0bjQzYml0Y0ts?= =?utf-8?B?OEtDYUlOaVZsOW5uL1krOWlPb29vaFVsY3Vwcjd0VlZsbFAxdk1pNnJRYXlC?= =?utf-8?B?ZStTVUlWallPVi91WXFKOXgvYWVncHRxeXQwM3NNMkErLzVMMVJXb0IzWmFt?= =?utf-8?B?QlFKVmovQS9zeGZsa25jRzN4U0ptcFphTFZlYk9nbTF2NzZ0Qm1OVElSUU1N?= =?utf-8?B?NUVwQW83VkV4NUxWSnZCdTk2UUlVZTlJaGxjUkFBcWZHdkpyMUtrcmZMVTgv?= =?utf-8?B?VlpOM04vaGRzb21xNkN6VzBlMGR1NXNPZjJhWTJwWDR2U2pyeGJDdWRjZENr?= =?utf-8?B?dENKREJsU0lWbkNDc0o0MEZWR2MxaFFOS004UTNBUDQxTEN3QVVOTDVxZHNR?= =?utf-8?B?bExENlBpNXkzWlJtNC92ZkNqYWMxMDlUTHIvdVZoSGxubElBdlUrZkprRUEz?= =?utf-8?B?d0l4RE02MFBhV0I5cGlZa3RLM3VzQSt1ajcyTzEzQnZSaFVic0dmbnVNNTJX?= =?utf-8?B?b0ZRaHZka3hpaVJDTVpIZ0NqQXVCNlE3NU1teW10N3g4OXY2Y1pjWjgzRnpT?= =?utf-8?B?UFFxdndXSFZaSUEvRUVQZWpXK1FCcHB5Q2dJbXE1OGZ4aDkrcExmUk0zZVM0?= =?utf-8?B?ZDB5UW5CR2tjLzhkS0pTemZpVzB3dWM3Y1M3ZzFBSWZrU1Fjb2F6ZG51U0tR?= =?utf-8?B?NzNaeFE4TGg2Ym5SYXJUMHZrSjVaZTJxd0JIUGZlR1l6c1ZGRW1seFNRcWw5?= =?utf-8?B?VjNKRmxINEZ6MTZ1cHM2YzJVd2p2QnEvMVc4Z05PY3ArMUt4VWJFbEM3c0xx?= =?utf-8?B?ellqSFc2bFl6ZGVxVDg3QXVVRUFZOE9UbDRNM1ROVm5kVTB0R2JiUjNhS0Jy?= =?utf-8?B?R1NBZlpPK0tFa0tHbHpvS25DdUtXcmpncUhDd2R6UVNNVVJWc0c0eEhwL3pF?= =?utf-8?B?T0xjZXZmbWcxeEhGa2s3SFpTN1BKQzIzYnFaMVh0Z1hNWHI2OVBQNWpYMnNN?= =?utf-8?B?TDhleEdNMFVPWkgyT1F5WnR2bkRzMU5FK0llUW9RclpOdXphRUduTmgyLzBk?= =?utf-8?B?cG5MVXMwS2hEN1hEMlEyVkFteU1qc2Q3NmFqM3ZiaEpaZUVqa1lXL1V4dWxB?= =?utf-8?Q?VlMUeH50mH8=3D?= 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)(1800799024)(366016);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?L3ZxNlU3cWNZcnZKU0VGZndrZ0dFKzRiUFFWM1pKL010ZUpXWnJlR3ZvS3VK?= =?utf-8?B?VHU5MUZ3L0dkaURNVGgxTkNacUxSQmZqRWtvSldWOUJvRjRIdmh6Vkc5UlIr?= =?utf-8?B?L09mRFFHUW5nVnJIYjh4QVY4UnE1T2JLSHlGN3JDK2F4NFBUd1RJbUhVMFQ4?= =?utf-8?B?cWJqcExLMXlkSDI3bnpkR1VUQ1Q4aExMQTE3YXMzQ29aSWZVQlgxNGN0dEIz?= =?utf-8?B?a1A2bFAxdFVTYi9PSituWmdseFZuUUJncHFlK2hseGltd3RYaDJ5WXFKaEUz?= =?utf-8?B?SThHUmFGZEtWRnNIVDAzdWIyUVQzeWtNQ25jU2wzT0xhYnByWDJYbmltOHJB?= =?utf-8?B?M25ybXg3aHRZZ0huampQNzM4WGxEMmpCQWI5dlN5eENRUEpWbzhKRk93T0Zv?= =?utf-8?B?VHltaEFjMVdXcHBYM0JMaUxnbG4wQ21PMjRmWXV2WHk4dmkrdkVkQUJvTXdD?= =?utf-8?B?bWNjK1U3aVY4Uk5iTndzWWs3R0hna3R2aW9VV25rQnhRSjNYdCtpSDNFdkd4?= =?utf-8?B?cng0TnozQkFFcWVoYnJwaXV4L3ZTcllLbGNnNjFTOWc0UmVmek0rbmkyOStP?= =?utf-8?B?VXZndndCNzBESC9rNHM5RWdlaHc3MXNUQTU4cndnQVczRjk3ZzJXYldraytH?= =?utf-8?B?SndnSlJYSGZYVGp3VlRjMy91VmNaR1hpRDl2V0JlbVVPazZvbFB1MkU2VmNx?= =?utf-8?B?SUYxRWlGMERqcnBoeDlnaTZ1andJNnNNS0ZNZ2QwcFFkdEttdHAvcmdiTkph?= =?utf-8?B?Vzl3V053ZkRyZU9tVkJHSjFOUGljVW5uWDFML1pUNUx1WWFwTVVoSWtpOXdM?= =?utf-8?B?T0RLeXZvWklnNEFGdzg3OWdCS0ZNajB6L2RDVk5melk5bXNsWS9CMytaS3VI?= =?utf-8?B?UjhIQm9MU1JJNjExVzlTR054YzBZTklRckZSNHJZZzBSTE1xeDhKeWF0SjI5?= =?utf-8?B?N2NVdC9JNnpxVXVVZkxhRUtTd2VGdS9tL3MxenlYOHVCWVVCQkxFSVk4VHRX?= =?utf-8?B?TjFhazlPZXBNTHBSb09nNnBNQjd2NWNqQTRpSWFQMlVFL1kwTWsvRW9lYzNQ?= =?utf-8?B?YjZ5dlc3eEVSUW1lUnRIZzVRalhhYWlxdklPcUhlajVxL1lVaFlKVjVDa2FP?= =?utf-8?B?Ujlzc2J1ekd6aXZYQVYrOWwwT25qUm0wUWR6bzluaVJNUDltUTVOcGljaGRK?= =?utf-8?B?Ym9MbUlMREVNVjUzYzhoY25QL2VkNnpvN29RK2NPVlQvSVJhY3JNY3Via25q?= =?utf-8?B?bitNM2J1N3F0enpEZno2YjVDeUlWUWFrSmlRLzN2VjVqanR0bzhIOTQyYTMr?= =?utf-8?B?SkVIdm9uYUxJVStCNmswSWxRK0syMURqN3pXSzZrcGExOUgreFY1bStZakRU?= =?utf-8?B?Qm9TN0FwQXByVlVmZ1l3SDFQRDZMNnBxSGgwSHR1ZkZPdzZOejQyMHlqbUk2?= =?utf-8?B?Tjl0cDRIN0M5YUY1bG9CNkdhdVMwWHU5eGJyZnpzekdna2sraE4xY0RXOFht?= =?utf-8?B?cW5IczlRbGRhQVN2aGs5ZzN2UnpIbThyWlRteU9PZU9qVmRaNGV6OGlDckRq?= =?utf-8?B?OXpvQnJIZ0RTMVpCVjZNZVJnblBzVHBLQWZJUEhMREdjckNWOHUwMzZpMEtm?= =?utf-8?B?bHA5dlYxUHZNSldsUVA5dGtBOWxIWTFSVWlnb2JhbWVOd3M3UUZsSllNQUJv?= =?utf-8?B?VWtOVk5UWmdBd3FJSGc5dTdTTjdEWXJXdm5wOUFZMmxZNm9PVHJXUTFFZTVC?= =?utf-8?B?endFUUNhSGdsakhBVkdOK01SUmlqaDlnYnFtQmV5MmpBY1JOa05BOCt3Umk2?= =?utf-8?B?MUdraHdPVWk1QzdyYktnTGJOMzlMZko1ZTFVZldEbkt4MEdpRHVoRnJPZjFV?= =?utf-8?B?Uk9QTHovWUFEVzNqZHhFUndKTmpUODJWT2I1aTVMQXV6VXN6djd6SlEvNGtu?= =?utf-8?B?Q1IwVTRnVWpxU1grRUZaczkvUGxVN1dIMTFxY09lN25sMnFFNzRvdVI1THhG?= =?utf-8?B?cVdtTjJEbjB3SU9DbmtLQUJvTEJXNUtmSFQzWDZiYlN5ZGpWWEJ1M1VOdjBL?= =?utf-8?B?a2ZMaWhIeG1pK0c0MDdaakVtdVRaamtxajJGVGxUdklUQjYzK05oMEtuYkdk?= =?utf-8?B?UG5Nc3I2OUhHSUpLWEZTZlNhcjRuSVJzOXAwU0xuOEdsMHpXM1BoODJiK1dG?= =?utf-8?B?OHc9PQ==?= 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: f411b9cf-57cd-4eef-5196-08dda3272aba X-MS-Exchange-CrossTenant-AuthSource: DM4PR10MB8218.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Jun 2025 05:17:57.5340 (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: KYxZceM2lgzIL2tSlDgvJQC4iTZImmCp9BpcXFfmazZCTi1VSHq1RVqoUDAB1qHICkta3veAnbxzU8rYOWwqs+ekQKf0OdDhZGR7Jr5kspE= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR10MB6072 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=2025-06-04_01,2025-06-03_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 adultscore=0 malwarescore=0 phishscore=0 mlxscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2506040042 X-Authority-Analysis: v=2.4 cv=aqqyCTZV c=1 sm=1 tr=0 ts=683fd709 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=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=GoEa3M9JfhUA:10 a=yPCof4ZbAAAA:8 a=fOW4A4Px1FdUhDM7ErYA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 cc=ntf awl=host:13206 X-Proofpoint-GUID: ktxY_GJFKlxSFpRUHmapWvifpcU8foUu X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjA0MDA0MyBTYWx0ZWRfX9GNqule1KwsW KeMRtS7QXiM9mPYA4aHsjT1AXGGL/PQSXyPYxgwtoD/aYROECGSgZxLGB+leIkfqhM9HNzIWTit Nz1+l8BA8tp6ayBbLuAZaOrh05midz4Wm38thvWqWoAADATpuJXBhiwiSnRapzOpUT4wFe6u4GD bgmn0It0DasbbPZmbhF4OgUkgEYyWY/OznVNh58ZMak5X4VYqYRsZtgqV6sQGZHYxpw1I1FarqY GZoqvUjBQNlYLuL8wkHiX0XGV9rUnSqVasUBwWALrOp5NggQUbJ9Frue7bhhPlzrR4Gn7HhW+r6 v2jwiuE0V8LWSu8rBuj/zyeVsLXRGaUpgyx4wr19BsnzC+7zxEZTko0DKaq3gvswNZs/tttyMLq 4u1N5Q63qSAOaO+JqYgFjUTQ4rENmmZfUvLd8KM2VbBjCHq3gPA7G08g6v3HxEeFRgnkBT6y X-Proofpoint-ORIG-GUID: ktxY_GJFKlxSFpRUHmapWvifpcU8foUu X-Rspamd-Queue-Id: BD7FC100005 X-Stat-Signature: n1fz16xgi3hahjigceke9hitzg3zc3ya X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1749014283-736930 X-HE-Meta: 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 TImH/6u+ 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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: On Tue, Jun 03, 2025 at 05:51:41PM -0700, Suren Baghdasaryan wrote: > On Mon, Jun 2, 2025 at 7:19 AM Lorenzo Stoakes > wrote: > > > > On Mon, Jun 02, 2025 at 07:16:40AM -0700, Suren Baghdasaryan wrote: > > > On Mon, Jun 2, 2025 at 6:04 AM Lorenzo Stoakes > > > wrote: > > > > > > > > +cc Suren > > > > > > > > Suren - could you take a look at this please? > > > > > > Sure. I'll take a look today or tomorrow once I sort out my email > > > backlog. I was away for 10 days and have 2K emails to go through. > > > > > > > I spent some time trying to connect the dots and still don't have the > definitive answer. I'll dive into it again tomorrow and post once I > have something useful. > Thanks, > Suren. Thanks for taking a look! This is a tricky one as non-repro, etc. I suspect a very short race window somewhere. > > > Oh man and I thought my inbox was bad :) Sorry to add to it! > > > > No pressure, just a weird locking case, I'm wondering if there's something > > here or we just need to teach lockdep that this situation is ok. > > > > Hope you had some nice time away anyway :) > > > > Cheers, Lorenzo