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Fri, 30 Jul 2021 10:25:34 +0000 Date: Fri, 30 Jul 2021 12:25:32 +0200 From: Javier Pello To: stable@vger.kernel.org Subject: Patch "Kernel oopses on ext2 filesystems after 782b76d7abdf" Message-Id: <20210730122532.6966a03a1d2e07b81486e0f4@urjc.es> Organization: Universidad Rey Juan Carlos X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.32; x86_64-unknown-linux-gnu) Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MR2P264CA0040.FRAP264.PROD.OUTLOOK.COM (2603:10a6:500::28) To DB7PR02MB4663.eurprd02.prod.outlook.com (2603:10a6:10:5c::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mo-dep2-d036-01.escet.urjc.es (212.128.1.36) by MR2P264CA0040.FRAP264.PROD.OUTLOOK.COM (2603:10a6:500::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4373.17 via Frontend Transport; Fri, 30 Jul 2021 10:25:33 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 22763aa8-0065-4b2e-48dd-08d953445d59 X-MS-TrafficTypeDiagnostic: DB3PR0202MB3433: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1923; 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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?d8lJRwzrahe7Vqu58tOpSyVSDKPS31w8eUzTCd/tn3ujqJBYTboN/Jqmv1WU?= =?us-ascii?Q?bld2L3+NEi6Ayx4aXQ3odeNqusc6fYjjC0C0nXtg97nmEmRhLDAGfjInh6qF?= =?us-ascii?Q?hONct6hHtNXmnvj9W3y7jNeONRqcfpXve5NFXjsZA/gDt+n2KI+XVrUKVhZQ?= =?us-ascii?Q?8xaMS4K43pit47EtH0Vm4wOhI90WoqZgb1qdgDfSyGQYZgzc9TOEtj+MM+AL?= =?us-ascii?Q?l2fUVAtLrJ4uMAkXDgkECKA//b/0yIcep7vazeZaW3oe3CwaTFejRqXeCTq6?= =?us-ascii?Q?Qa2ltW85bRT3Xgvax5rTWjCkx8MkwQibG9GDiP+jyW06Xxf15iKGOgXjCLmD?= =?us-ascii?Q?Y/fjHU5xnepr31MUBGhbv53rre1ofTdYWWqxQDU3IWPjT+V89MgYlPpVb5qD?= =?us-ascii?Q?WdHn8AnKXdQ/mctxO6Tikk31HUJKKfI3nyoNDH+ieXeIjt32SkJlBDl1J5/b?= =?us-ascii?Q?dQbej6DsSyHE2tEEyt6mZIrMN86AqxwkMehGfZKLS0uyp3GoF/glTNasSQW9?= =?us-ascii?Q?MwtjxsRQyMxTL+mYyfsG4LrLbfMlBszl1tIDB5wAjw3v9sdcD8dKW5GWiK8f?= =?us-ascii?Q?n173F2EUoucyO+IrLXDnMT6z10vbyMXZAAwKLIRR3YwAvXDbsbPWvZWMcj/w?= =?us-ascii?Q?++b4K54u8JO9KyAE25TjTuLoSiQkX/6o+Gq20RTZCuEtB8TGAKo3SzNZ5XFR?= =?us-ascii?Q?6GLeDb8wdVYmaK3tcbpeW9dPq6tK/Zf6EtrDeJKhG9Odgv6mDCMkJwYE6RrC?= =?us-ascii?Q?dBZz1QpkqGFroOECIRbmaZ40WqaAGLK4PlP8eO2O/AXLr4ICcw25CEFvUj0D?= =?us-ascii?Q?S7kpYyobtnkpdxfPYC9VYSrmgEkkBDnr1pWcAASjX/Nt6Zzzy728ZhRRTT/Y?= =?us-ascii?Q?kaHOicBBF6hnJRQH38EzrLeo+CUzLV2rJ+dDwqsANm77EXBCHWfGsFIhP3yI?= =?us-ascii?Q?/6jdLEE+TYR4rvzNjQjeSyNseU4O55Auhlzv63eUwbA+QJc8USH9xzjpTeTs?= =?us-ascii?Q?bthzSoQ1JCMuZ2KWKa6kolNIKofZy5Eo/kAWn4hkz195pz+ifDD67LOdrIjW?= =?us-ascii?Q?/IA25Go/Kr6mjz4MSmvUQ9agHFLhQBS8jvQLU62OWpEu0+qYRhxlygzbELYn?= =?us-ascii?Q?rP7r6iRVREslBcPTnPxIwWq2KHgb+9/4UdFs5ggQuoOQGR/8AjX9SkDEw/Hx?= =?us-ascii?Q?7vZaUuIBwQBLs9bCHcLfHN6ULbInyn8jOIbF9pELbBR+eJkAOZSSqCaRu4Cf?= =?us-ascii?Q?Sz6k+quZaMqBls/CbkZ2ZbWFdj5BOGXY58VREBuF/6FNtMO+qCK6W5sxzBlw?= =?us-ascii?Q?VNqhZ8Lz6IrXF/20fiEWXlLb?= X-OriginatorOrg: urjc.es X-MS-Exchange-CrossTenant-Network-Message-Id: 22763aa8-0065-4b2e-48dd-08d953445d59 X-MS-Exchange-CrossTenant-AuthSource: DB7PR02MB4663.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jul 2021 10:25:34.0968 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 5f84c4ea-370d-4b9e-830c-756f8bf1b51f X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Caqf5biX5MJGRZ7AwbZEPDlV5hYhLo2mjK4c77g+Ktb0+B2QGV69Hwq0psQ9ZYLOL73/iesc7WHiCcIKMGhOvg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0202MB3433 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Dear list, The current 5.13 stable kernel branch oopses when handling ext2 filesystems, and the filesystem is not usable, sometimes leading to a panic. The bug was introduced during the 5.13 development cycle. A complete analysis can be found here: https://lore.kernel.org/linux-ext4/20210713165821.8a268e2c1db4fd5cf452acd2@urjc.es/T/ A fix for this bug has been recently merged into the mainline kernel, with commit id 728d392f8a799f037812d0f2b254fb3b5e115fcf. The 5.13 branch is the only one affected by this bug. Best regards, Javier