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 1925BC282C5 for ; Mon, 3 Mar 2025 11:54:51 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AB753280007; Mon, 3 Mar 2025 06:54:50 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A68D0280001; Mon, 3 Mar 2025 06:54:50 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8B990280007; Mon, 3 Mar 2025 06:54:50 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 6EE72280001 for ; Mon, 3 Mar 2025 06:54:50 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id 1579EC06B1 for ; Mon, 3 Mar 2025 11:54:50 +0000 (UTC) X-FDA: 83180083140.16.67F626C Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by imf09.hostedemail.com (Postfix) with ESMTP id 00B7414000E for ; Mon, 3 Mar 2025 11:54:45 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=kY1Ao6Y1; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=LVkixpPC; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf09.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=1741002886; 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=SSQYbQ7dCqfG5TB+NafieJs9V4cR+r8CUAQQqeIFCZY=; b=QNuhQIQC9OretikpyBRpfgTmNtbXfRDwqnFU4Ip0a0qyoiXMYiWxRVOuaiYldJtKXPQQ9I Bv3bmg7UIX9H5Ng2LxMQqTCNnmEHRGbbEyA1pOh/1A53nP1ZLg0cGJHicElEYNMtWUFkc/ t5M9+Zl95zYOq0orEM1KrBvEDMBOFAo= ARC-Authentication-Results: i=2; imf09.hostedemail.com; dkim=pass header.d=oracle.com header.s=corp-2023-11-20 header.b=kY1Ao6Y1; dkim=pass header.d=oracle.onmicrosoft.com header.s=selector2-oracle-onmicrosoft-com header.b=LVkixpPC; arc=pass ("microsoft.com:s=arcselector10001:i=1"); spf=pass (imf09.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=1741002886; a=rsa-sha256; cv=pass; b=fi3X4hK0GfIWrKeMFrdzLZ+vXyfkr9HS3egyJ2ClMrUkzrBMnSfEaJBK30UpzcAZEtFd7k MSkuwwb/x9eAofPdm94sEkVqAurPg376RHHk4z5Mtse+kPWj/rzwGVUwqT81k9DlcAe5HV 6NNFyWq7l0ifhhdfHdApA3ZcugBVUVM= 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 5237td6u028720; Mon, 3 Mar 2025 11:54:26 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=SSQYbQ7dCqfG5TB+Na fieJs9V4cR+r8CUAQQqeIFCZY=; b=kY1Ao6Y1Y3C37lNHQ9hP026mbktoRe4+om gNOzEdWi4WL2n7LDsJhaxa/G4QXRIUmcqhLtfYTOlCVrG6p6g95R6yEs7aOD9zQF WrhQSNzPnEidlXbn0H0tvWEJkvOOOdHcc8hzlFK2gYRUNmK+MrNeu2/85BPi/UuB ulWvCCL41wRnJhv9s59LVOZDhmTm2+ZJJgIio2mWtR8wZU5M2FemjVKVbAmKp2zP wVve1c3jMUr68HljlIJ2VME1+CKyHz7i3BXnauo7cvsUVHZyXdtU7ahyR9Lxx/j/ X8NKiAesIVX8dx3/zhkBB/y7bEMgKH/1gOoJXprbhNCrMW5mA9bw== Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 4541r428sh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 03 Mar 2025 11:54:26 +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 523BIEwN001246; Mon, 3 Mar 2025 11:54:25 GMT Received: from nam02-sn1-obe.outbound.protection.outlook.com (mail-sn1nam02lp2043.outbound.protection.outlook.com [104.47.57.43]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 453rp83w1s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 03 Mar 2025 11:54:24 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=lsWUeEWAMT/PwgWRnMfmqvwr6Eqe9bAsIsrzUFARXn5vFSHpJvUbQwvjnbF8yzCU6YjDC2MX1/o8KUufzx5odavQrZDArHA+EJh21lvd3XDDUdjDDF3TeGV6Uc701DqelZp9nB0IzEv8R1iarSciCQaVkPZXmzyEAXzE+xtk22ByhzZ8hJJNBDlNubDf47dYHiDpf6NKCsL19DZlETpiylo2fu48S9c9GcLB22hEv3FD67Ic9DIreMFRY4Wi2uu4T249OekX+JngOSqZLEMvymkSQVhLhVzq/V9XRigPCZsatsSNFPWlSzouyXSnraveAkugDKacD0GV0z5hKSF9lQ== 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=SSQYbQ7dCqfG5TB+NafieJs9V4cR+r8CUAQQqeIFCZY=; b=YDMaMITNUU5+7p8gVWkXLsEpeMMafV2ZNjePG5mu+V+u2G52FXGdVTUWvACvo1aULZoZ0iXM1CXt4iPFiBLqArGVvqDaXSuxacZsW0+6RWJ/DQmGUnile3hMk2g3GB8CKOwloFRbA2J4KKq0NH0qm3aJeItmO9l5Q9eLTFgTKLk/HDz6K2vXjYAaxjxD8bsh0mJTUgde3w2MWuqs8z84czic2FSS2mtxXQ7ylOvW/UCjHpRWWJkUEm9HQwSTHc2Y94M7oD9G3eHrp26UPQ8LngDkvzJBNBhNyqSjhE937JxHIYi8EeHACKKOMEHPPHVVuQbJSSFisG62AfVmPefXtA== 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=SSQYbQ7dCqfG5TB+NafieJs9V4cR+r8CUAQQqeIFCZY=; b=LVkixpPCntb6s9RnYLb8UE2BQSVpCfUpUGoARFsG/TSnsZCvFvT3DkQGFZ/Whv66VaIWzDJqjoHiew55ePyFscWe9okWgvYiFwbii4o7Tx8znt6GIAR1GWEaRcaTxRvuMsjPG4JawTvDN26YJCkHpyXz4VCDE7zNS8UloFCyPhk= Received: from MN2PR10MB4112.namprd10.prod.outlook.com (2603:10b6:208:11e::33) by CO1PR10MB4755.namprd10.prod.outlook.com (2603:10b6:303:9f::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8466.28; Mon, 3 Mar 2025 11:54:21 +0000 Received: from MN2PR10MB4112.namprd10.prod.outlook.com ([fe80::3256:3c8c:73a9:5b9c]) by MN2PR10MB4112.namprd10.prod.outlook.com ([fe80::3256:3c8c:73a9:5b9c%7]) with mapi id 15.20.8489.025; Mon, 3 Mar 2025 11:54:20 +0000 Date: Mon, 3 Mar 2025 11:54:17 +0000 From: Lorenzo Stoakes To: jeffxu@chromium.org Cc: akpm@linux-foundation.org, keescook@chromium.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, Liam.Howlett@oracle.com, adhemerval.zanella@linaro.org, oleg@redhat.com, avagin@gmail.com, benjamin@sipsolutions.net, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, jorgelo@chromium.org, sroettger@google.com, hch@lst.de, ojeda@kernel.org, thomas.weissschuh@linutronix.de, adobriyan@gmail.com, johannes@sipsolutions.net, pedro.falcato@gmail.com, hca@linux.ibm.com, willy@infradead.org, anna-maria@linutronix.de, mark.rutland@arm.com, linus.walleij@linaro.org, Jason@zx2c4.com, deller@gmx.de, rdunlap@infradead.org, davem@davemloft.net, peterx@redhat.com, f.fainelli@gmail.com, gerg@kernel.org, dave.hansen@linux.intel.com, mingo@kernel.org, ardb@kernel.org, mhocko@suse.com, 42.hyeyoo@gmail.com, peterz@infradead.org, ardb@google.com, enh@google.com, rientjes@google.com, groeck@chromium.org, mpe@ellerman.id.au, aleksandr.mikhalitsyn@canonical.com, mike.rapoport@gmail.com Subject: Re: [PATCH v8 5/7] mseal sysmap: uprobe mapping Message-ID: <32d4c017-1c71-4559-b77c-2a16d0688488@lucifer.local> References: <20250303050921.3033083-1-jeffxu@google.com> <20250303050921.3033083-6-jeffxu@google.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250303050921.3033083-6-jeffxu@google.com> X-ClientProxiedBy: LO4P123CA0553.GBRP123.PROD.OUTLOOK.COM (2603:10a6:600:33b::7) To MN2PR10MB4112.namprd10.prod.outlook.com (2603:10b6:208:11e::33) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN2PR10MB4112:EE_|CO1PR10MB4755:EE_ X-MS-Office365-Filtering-Correlation-Id: 2572acc5-ed8b-4f1c-5a54-08dd5a4a2268 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016|7416014|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?p0iCpr0P8wZjjSkgFa84Gb4tPwaC+bGUqmpCx53Bv4Ni7uHx1E7rjUC9/x90?= =?us-ascii?Q?vlHfAxBhoJnZWGRl0FtlDml8waVMV+thoCGYBrA4iP+dLbdrMxFWi721pPIS?= =?us-ascii?Q?QfxrupkKd7eRHoD4zdh8l6fxaGiVWx3g7HCZsrQCREzpInn2ttjhVYh+HIJ1?= =?us-ascii?Q?lkf/dCchoUOsAPAblBIu1dnwir2Cx3owSumKCieCveLXm0hsYOnt0zDTHOvW?= =?us-ascii?Q?S4fVZk1SclKESkOjYOhaLfxn1pNc66M8vePiVDm39QvJIv+bwAqV5TVJeHBO?= =?us-ascii?Q?K/NSy8WTtfuDfpYgc7d+k1e5YKYOcavnre8BIINDaV5fGGIH6yrjpHSjDWqT?= =?us-ascii?Q?mCnXmoUeziMVLhvxIZOqy+MK13ZDFWMBLDsnK2DH7pCZvaFo80VMz+iVtOmf?= =?us-ascii?Q?gQnW4c+oEni+gKZAJn38C+gV+ie3D7rYoN7S65b0/2fubZHKAgJSaCd5hmFN?= =?us-ascii?Q?u2I1d0FjtTSuRnAYzNeKcpBpJcBG4+RxT4zJl62yc2wHaW/HRi6dFEjILHOy?= =?us-ascii?Q?iSyFiOTJKhZmSobuy7T41ZhBAoTHUbn+tnfcBwO7+od68McTC4wmNrFDpYfz?= =?us-ascii?Q?nmxdeEvBf+U9raeM67/1cDLYCeOw/H8ZU0iy6CEwZaXu675l/Xp45fMCwXoL?= =?us-ascii?Q?RdWGyHVGB95Ciul+nTBlotSXzhzrnTPuqbJvD88wrUrPMM+yL66niqyRy1gs?= =?us-ascii?Q?jPCsdRPTUCck1F22jsXDOpeGVegHK5DlJ76lWFVblwOQV8Yq+o9MQiXZnZar?= =?us-ascii?Q?UCUX+2I4c0woyHOtVozKWWKaPnOYit7Ko7oqCu9aYgHrqgTh9FB8nEBFJng/?= =?us-ascii?Q?J9TnsTA0mpAq0DEfppS/Tytf3m00VqqgFctGl5On4NN0KZ84SyBWSSmrbvMF?= =?us-ascii?Q?mEt/a2xFhvhJCC3Hvp9OgKCvw9a6zwPED2pAU6cmQo/n9cJsw59pT/pAzKUa?= =?us-ascii?Q?TKNxSkb2FO6UdNVyFzSy9NrTQkEAjcpcUk6ennrNjMZ4HzsxNzv0PjQU4lpt?= =?us-ascii?Q?qzQd0H4z6t1Mv8qqsz0TfTZqQ3mZzDwY0CDohzbZCCdoQ7SUho7sKDWSeLUm?= =?us-ascii?Q?y9jdv3hP4ys7p5hT/WxY/pYZPuOcQVU0XAuvX03X8RFVoaQ0ZHNBv8fXTKsb?= =?us-ascii?Q?ztFRIAaXX/0AZJGYt6RT9ov2bxeFr+nQH/jD+ns9TK8ZciT2qYnGqPdR20s/?= =?us-ascii?Q?4JzNYwhf0Zne4Ms1El0owVrwcZDJFwvCacrdgqos/Vyf7duQFVLcJEd/BST6?= =?us-ascii?Q?+6bEpCUUxY1hdJkezj8XvfoxOywvNS/FUSbvy7OSfG+7YQwTulOqMCVoV5rD?= =?us-ascii?Q?vsqzd4+48yjnFEH5gRP//WaRxxuzBGiz+Bb+C33Izh51RrbFpw+qnyxH+ylD?= =?us-ascii?Q?xJCNr4RO/1LW2ZGIYfXmXg6Gyplo?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN2PR10MB4112.namprd10.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(366016)(7416014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?5Sd5EwEXfskAsGedvWTGQ+RTlbmm2lKhO+WmDxh1W9WiJUv2cxG88tY0sN6A?= =?us-ascii?Q?pw1kaO5VOOQTq6jUKkZzdicpM7crctMSXVzvUAjLD2vVTLezWrUzAeR2clEZ?= =?us-ascii?Q?HXWJqVzexyFEQ28HAnQESWvo6zHYnWtab3KWpIse3j0e8I3jztFizhL5930V?= =?us-ascii?Q?h1vRcWq032ssBLEEJfIKvqIiqvL4T8A+O7QJ9XplI3Fn1ZpNR9jEIgNwYfCx?= =?us-ascii?Q?CK0FlAM1G0ZzTW11A3L697YfX8+2b8D/ksZfzuz2Oksj0FK8Cetgzgz+J6dV?= =?us-ascii?Q?Pbteb9fHWCKVg04sTUkcUyyynU9y6rhsWoQ65gPK2ftez6TDqGkyTjLb9ySU?= =?us-ascii?Q?cFZt/LTdQtqK5FP9SwywI3ctKqtBgJN4f9FsspYD6VJCbJtJdeacg00pOUqz?= =?us-ascii?Q?lJeiUFiNFmpRKbQqJt1GCD6btESqtEqaEmk36b57ASx0uEMDGZQLrolCmZdE?= =?us-ascii?Q?Z4E0Q95qTIpThS21/w21o+yaODsbubskNup11DR1kWOruyVjNSdhnd8f22nO?= =?us-ascii?Q?WAjAemBlpZ2BBjzmMsR/HNk/WNwjB7y0eHYfZQIEIBGu6uw+s/7zOPLUPk4m?= =?us-ascii?Q?nXA/Ja8hOHofoHhcDOjwiaj87foAB0KFYy71HRLR4nGOUruXwMkIQdxqMQaq?= =?us-ascii?Q?TPKqi6VbZFoGSj7uXThtepS+SEZ5GL6WHcJ23AYRVA5ekdw8KsQhItpJvZCQ?= =?us-ascii?Q?h+m8Z3QueoralAE5eqDyhaed3xHLHJmd05nUiwjNuvu78X0zPsKV39MnbG3s?= =?us-ascii?Q?uf5Ryh990LJ8yyEkpu0LxVdjlI5K4Culgk2RX6mYrI/X2YTJDvONhsiCZFAu?= =?us-ascii?Q?Q6Ha7b7wRjMiT64/tk+b4XFL7q5VhV21jKypAiGvbzXfnoZot6BuUffipuGW?= =?us-ascii?Q?7Cn5JjYD0JKKbCox5xcOlbGL0jBCOJMZh0N3JrAexEZUEaIvJBTjYBSrMjXK?= =?us-ascii?Q?SPZLtHuKUOqwj/9HtZThfqxzy8BNezDZ9s5+Z1dQMIZRKol15ouad5Aii2KQ?= =?us-ascii?Q?zIwoHWI9uDC5k4H53XogDpRYMzG5xCZTSZA4O/EojqTKh66zROr+JsCDuEAi?= =?us-ascii?Q?5nt5b8St/31qAFNvYlSakkv7bE+29tzRGdauFBKh6WsjzcH8UhR0mou+TiE0?= =?us-ascii?Q?LM0YvkFUrU3qNF7vwnRBIpLW9Yy3IAqokhJNv6EXDnEfZiBtAHo8CQzuX6z7?= =?us-ascii?Q?6YHYaQ71COH0jz2b2FUhkW12hJimWoY20EYfS0V4BulIXdrvhjHowtS9rhTY?= =?us-ascii?Q?ZfqTZwIY9ybWkgw13QmGYrd2cePUHsu2VmlHfYkQfAdyslnq9CgwXhTEUCrq?= =?us-ascii?Q?muD81Pw584pt32qJufRljYrND9icrWdX2a9D0UNVQHsw/7873rKPXlBSywjZ?= =?us-ascii?Q?EuGniCzONbWhMnmeIlnuKYjfcAHeTaXJDrsRy+pFRkKQwYLdWQvODmYtbxYa?= =?us-ascii?Q?/84oxDbgt88SKMvgpb35A2T5l/AODTFmbastToiEvO2IV4KJlcaaripjCIMr?= =?us-ascii?Q?3Bqd/dFShzRXalB5cH+YkBq6VirrQgfYmd/aVkkm3UkMsemvGBk74ztOpuws?= =?us-ascii?Q?ExxrrA2zVC1b5xSx/lHbZ94YT4Tt8M8FsjCD5TgghF3YtYBXNJ4+XXYSyTW7?= =?us-ascii?Q?Yg=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: 2572acc5-ed8b-4f1c-5a54-08dd5a4a2268 X-MS-Exchange-CrossTenant-AuthSource: MN2PR10MB4112.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Mar 2025 11:54:20.8881 (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: kLbWtDQ1FglJWqpZDLy5HEwtu3pbl8u5JUXgOICm3OW9JqGglePHfSEN7kkxhHqxDpQDckljTcc2+Va4WbFHAiNviVMIUcSmf8XXdcmwnAY= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4755 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-03_07,2025-03-03_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 malwarescore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2502100000 definitions=main-2503030092 X-Proofpoint-ORIG-GUID: H9kCSECz-8tB8KjpDk28I-VTby3o9NiS X-Proofpoint-GUID: H9kCSECz-8tB8KjpDk28I-VTby3o9NiS X-Stat-Signature: cdgco789w9ndour7uptdufg6f3q819i3 X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 00B7414000E X-Rspam-User: X-HE-Tag: 1741002885-803962 X-HE-Meta: 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 NsNWSLWr 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, 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 Mon, Mar 03, 2025 at 05:09:19AM +0000, jeffxu@chromium.org wrote: > From: Jeff Xu > > Provide support to mseal the uprobe mapping. > > Unlike other system mappings, the uprobe mapping is not > established during program startup. However, its lifetime is the same > as the process's lifetime. It could be sealed from creation. > > Test was done with perf tool, and observe the uprobe mapping is sealed. > > Signed-off-by: Jeff Xu LGTM so: Reviewed-by: Lorenzo Stoakes > --- > kernel/events/uprobes.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c > index bf2a87a0a378..98632bc47216 100644 > --- a/kernel/events/uprobes.c > +++ b/kernel/events/uprobes.c > @@ -1683,7 +1683,8 @@ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area) > } > > vma = _install_special_mapping(mm, area->vaddr, PAGE_SIZE, > - VM_EXEC|VM_MAYEXEC|VM_DONTCOPY|VM_IO, > + VM_EXEC|VM_MAYEXEC|VM_DONTCOPY|VM_IO| > + VM_SEALED_SYSMAP, > &xol_mapping); > if (IS_ERR(vma)) { > ret = PTR_ERR(vma); > -- > 2.48.1.711.g2feabab25a-goog >