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 84A83C3DA49 for ; Thu, 25 Jul 2024 05:59:41 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 8B4686B0082; Thu, 25 Jul 2024 01:59:40 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 83D6C6B0083; Thu, 25 Jul 2024 01:59:40 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 668736B0085; Thu, 25 Jul 2024 01:59:40 -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 3EEE46B0082 for ; Thu, 25 Jul 2024 01:59:40 -0400 (EDT) Received: from smtpin30.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id A784BA0DBF for ; Thu, 25 Jul 2024 05:59:39 +0000 (UTC) X-FDA: 82377223278.30.4A72E92 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by imf08.hostedemail.com (Postfix) with ESMTP id 0737A16000A for ; Thu, 25 Jul 2024 05:59:34 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b="E/inV5Dm"; spf=pass (imf08.hostedemail.com: domain of oliver.sang@intel.com designates 198.175.65.20 as permitted sender) smtp.mailfrom=oliver.sang@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}") ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1721887138; 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: references:dkim-signature; bh=h/8rF5AtO9779Xs6WNdwZHvtUMW/R1zhnh8En1CMEoY=; b=gVp+F/H7GTHH0H66oag8aSYMmGXSWJUDu8i0lqfhuDtVzshn1zY3E+K5KP0NpuRSKLYZdh CwVtqbwcRVdnzJUNX92zZMD5WO/z6uCrsuEex1UCHtt2bwYDFrUsJNaTlSEOlMDTzmMMko wvm6qbl5SiQjWgiDcnR/WRJV/gvz/lI= ARC-Authentication-Results: i=2; imf08.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b="E/inV5Dm"; spf=pass (imf08.hostedemail.com: domain of oliver.sang@intel.com designates 198.175.65.20 as permitted sender) smtp.mailfrom=oliver.sang@intel.com; dmarc=pass (policy=none) header.from=intel.com; arc=reject ("signature check failed: fail, {[1] = sig:microsoft.com:reject}") ARC-Seal: i=2; s=arc-20220608; d=hostedemail.com; t=1721887138; a=rsa-sha256; cv=fail; b=Sf5ZZ1Hk/Bx3QCm/+ANCVyUvRU4IegHFEcZcWVV1tA27qWC7Ncf0hTmzJK34raYw1eKhUW sXidXo557VBWdAD3b/uB+P8aMmi7XxqzXXcL5dUPTmHjoSsyh7dh67x2bw9OuCivDRJ2Iz 4op4gL3JqL1lXJ7qi/L7Hf3NzOeGbb0= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1721887175; x=1753423175; h=date:from:to:cc:subject:message-id:mime-version; bh=ZcLYlfpp9oRY5zKyD+AxKXGOnjG/55Bp2owSmlLMfxg=; b=E/inV5DmJn8V/06ZROr2MSyBusoBPgm6og+7N25ruLoAaMcE4oMDkmnL IOj1e88kUEP2Z/5hyOLuyILuW9dM7n55Ua0ntFXkpQ7rkrNkt3hkKGYaN 9+OwUXu7mvAHX7YlhdFCFbqmnB+wUPDSzWCPHzH5tvarJc12IsJEmqscF JkPxGU6GNNM63uTJDD/2qxZ7qaDWw4Jm2AfcfP7eY9fvz7/4llB6FHvAc BK4smPmYICLkqYBeLNgCmUEdxkbiqMYVMoZg9RUDTRs85bCvtjHZkr3D1 GAohIOpFQd8iMSdmsB0THMlBnsWPggLxP7mJJLXzkrd6ErAuS33K56Vs2 A==; X-CSE-ConnectionGUID: PULga56qQ4CMut9wQGFY/w== X-CSE-MsgGUID: RVx5bsnsQhGTdO3m3IZqvg== X-IronPort-AV: E=McAfee;i="6700,10204,11143"; a="19407724" X-IronPort-AV: E=Sophos;i="6.09,235,1716274800"; d="scan'208";a="19407724" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jul 2024 22:59:34 -0700 X-CSE-ConnectionGUID: yNx8L9zJRa+WnnkiBAnAwQ== X-CSE-MsgGUID: JP94ig5oRbelCRJcoUWwmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,235,1716274800"; d="scan'208";a="52492228" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by fmviesa007.fm.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 24 Jul 2024 22:59:33 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX602.amr.corp.intel.com (10.22.229.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Wed, 24 Jul 2024 22:59:32 -0700 Received: from ORSEDG601.ED.cps.intel.com (10.7.248.6) by orsmsx610.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39 via Frontend Transport; Wed, 24 Jul 2024 22:59:32 -0700 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (104.47.55.40) by edgegateway.intel.com (134.134.137.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 24 Jul 2024 22:59:32 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NCPsbUlcNutEi4/PRFqTYgRZTM7/JZ1bvfzPPtAsnZTxaSSXNJgVPcibwvmnwu9DG6tGCdrJqiswzp8iE3K0U6uCF+tC507uD0iqKWljVoP5d31ORn05CN60wm9aCFjIY9Twtm/ZOuUj4eOszcDnRBF29lBpppLJwNAR1pRWDpMaJqVI7lgfFH3ZCgdsWQtniWDiSThQNOHThOZZfmIINYUNk1OPB+ToB2QRxNlwL+qS5kFnSoAjnQct8dC+3N/fzBzDgxrn0LfK44Uip8Wc8mcrkacuku3l9pePRfQeDxVF60O5yu9izuDIhyLsX0qUzmLo7rsDtFaIkzB14nOxCw== 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=h/8rF5AtO9779Xs6WNdwZHvtUMW/R1zhnh8En1CMEoY=; b=HvLLx0qgzLXTubsrRVb+EJhBdSJ7pRAQcTLYirWeP0PK9A6I/CS6zV7kYso+D1/g9qRXKUj6CwvkR5nWvBcJvQ547t1KPn0r7uGaMd1jHzw7OMMBFjfajFj9irOSquMkMt22v6Hyo//hKg0oig5jjNwKpS8k64YUrRUMgynx5rdsXbvtQc+KuzsnFGF/T5NJ85/SxTOTKDs9Pf+pXv2hqN3bzDl+5NhmOAD8OYK1XGyG4oqD0o8e7t4qV5/Buhk9v4m8MGZRQC3IB40w//4s1I0TmiBgM9g6Ry8uUD9sFpEBmkrfoQDjhYS21ws39DSh1dbfbedeLDnKqeDIy+fqkw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Received: from LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) by SA0PR11MB4623.namprd11.prod.outlook.com (2603:10b6:806:95::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7784.18; Thu, 25 Jul 2024 05:59:30 +0000 Received: from LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c]) by LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::4622:29cf:32b:7e5c%5]) with mapi id 15.20.7784.020; Thu, 25 Jul 2024 05:59:30 +0000 Date: Thu, 25 Jul 2024 13:59:20 +0800 From: kernel test robot To: Vlastimil Babka CC: , , , Subject: [vbabka:slab-kfree_rcu-destroy-v1r0] [mm, slab] df00e211c9: WARNING:at_mm/slab_common.c:#kmem_cache_kfree_rcu_destroy_workfn Message-ID: <202407251313.32e55498-oliver.sang@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline X-ClientProxiedBy: SI1PR02CA0046.apcprd02.prod.outlook.com (2603:1096:4:1f5::14) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|SA0PR11MB4623:EE_ X-MS-Office365-Filtering-Correlation-Id: 10286877-a93d-4a0f-76fe-08dcac6ef2c8 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?0YsTs+06Wq5TPjX/zcZOjLuzjrOo0bVB8mdYl/YfyTPvcCHn6jmD9S331ja/?= =?us-ascii?Q?aQrFGP2rIZvRePvayCraHdESLj0ypSTMsX18wsZ11JOsrIFGkEOrZGGbnQvi?= =?us-ascii?Q?t6egb7r6bxcHO+bH+gFfsovWVgIDrLZ8pZoVE1JDTcGA2STJ0yqquYKbihzs?= =?us-ascii?Q?L5xfkxEX/6RNuCdVLpsWgj1/7BNs4xYualKPe5+goBO9fQaDPeefxGeNN1Fl?= =?us-ascii?Q?IbEfdO0IQ7qMVtoeBOi9Xww1Jzx8ZnvtKv1DOFc1SOXPoTq0n2SD7LmpnMXy?= =?us-ascii?Q?JP9vA/TzdfJMP15E8b8sh1nN31U9420UkBA40FfD+Ekx4sJj9ELSy9MCsD1t?= =?us-ascii?Q?/MehfanXpcZM59dofwJZVZEJB0WmjAPkEjFVRSU0jJfbNhlgUTnCwQWLZ9TU?= =?us-ascii?Q?sHN4JpfEQZnTXhJmdWBIABQMXXgtZusq10LE9Dw57Ji79odOgDT+tmIioeid?= =?us-ascii?Q?FUfNOqa6mKa7Jd6fPr++lJQXtKBoS2w3ty8fKMgPWZNU1aOnAxRcq3fkIMDh?= =?us-ascii?Q?Y+cmIgTzKUJUh6sGb/v/eo0ZsJgEfXGIjVPcRq9fUHsJ2VMI4sOayLTf4ECb?= =?us-ascii?Q?IjPVZd+2mjyB7tH4SqvVHHS239KHtJvKmFIZkEe6vR1DytWYBt2YQa6aSfCW?= =?us-ascii?Q?j22E8M5OZoT9AUDvzX5LhDr+DTf4TEX9lX5TapDe2JmgehJulrdEH0cPEpkw?= =?us-ascii?Q?a0iVWBAarI6ooQQe1HT/isKQy5xb0xDY4eU0QjGL7OhFednGRboAqNIS1JpW?= =?us-ascii?Q?MUrh25y65ZfLUP6R9LKPCfi8XZsYMzUo0xx7nVa476YrfDJLZ/4WviZOBwnC?= =?us-ascii?Q?BA2dydrmelr3ZS/jZkXm0xY+as6q/5cXmWOExliKk+8ylrUTVl7SEyLj2odr?= =?us-ascii?Q?cPQeK5fJ9HhELyHa3eysDTcTT21hiRFlceWaQZUjNodmXuSzEbDyhwGXAFRh?= =?us-ascii?Q?bvXjz53s2ERdI1CUqzAXYpBEZk6wldG44kvp5CMv+RJeJk6jpp+s0M5te0tM?= =?us-ascii?Q?D9cauh1WKjPStqMvr3H+p/uKS7IplptWCWg7hAINnosd4Drw3CXzYQqvixHz?= =?us-ascii?Q?E6uKFCxNE+xgLsFdEGkXgsRVt0DFMamvwXzQJvDevH9oA20VH+KeWGD7KfHK?= =?us-ascii?Q?O7O5GrYet3efn8Nw+9UwFQIxgMpVKEl02wBcyfCSwmj4BrWFnJfSmFoZFVYj?= =?us-ascii?Q?vlLH40+3X4b+zv+Rmvssd0q8/yhXBkcP1FFlDMdDV7toUnO9cR7TRVR9RL+c?= =?us-ascii?Q?JnCvUxRi2ZapRbQoqhkvL+0+oZ4cEpAN5jh3siLAJzr3nsqVOpcvnrucLBsk?= =?us-ascii?Q?bSA=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:LV3PR11MB8603.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?YTDjsyo7C45L9weGIHfKxP7Wh89PwhBuLJMBkP7hwZuAGKGhvCv/iRN5lNhN?= =?us-ascii?Q?1l7ehm1EIMSk/TZk/ric2vVldS1T5AVUZxyfHRdZFqKFQa+g+xLFoVwwe3g4?= =?us-ascii?Q?4po/TUgg7jM7KiLYuQ7YGOqGCRuCBZY4ywLTRkfD4ikecSypJc9V+svepuIe?= =?us-ascii?Q?DHBYk7vb0qsmzkeYmKd2igpcbqopdGnzqGhz4Vv6Wep4fzjEM4TG63Vy5+PM?= =?us-ascii?Q?yRhM0OwVaHf1bEK9dnw9+N6Lw8u9zZBbf7ls4FIchG3ubYe1GALiehO2x1+U?= =?us-ascii?Q?vZDxL+9Qe6FMY940NgXDUC370UnkEeOrn+fQVt2QFkMSqtHGh7Azhj0Up5xZ?= =?us-ascii?Q?zdDxbBaZVKF2/01R1PW42l0+ly7+68l71ksKVhNGjnxT/Nd+TyZ4cHW0w1VT?= =?us-ascii?Q?7Y86mUgQ0T+Pp9yQv2ikZ+8Fs7Zyy3LIG67kys45CalU5VL1mWTxJp88dOjw?= =?us-ascii?Q?NYFBSDxwJSn9UMaEtfHXuGyfnDopNFtdMjNEB+0LoOkH/k+mk+vRdTyZSvPI?= =?us-ascii?Q?IQt8FLEMCO1ZrIKhLeoub4RLF9lyXhB1CehuDXdddnRykY+pFraYfFi/Vwz1?= =?us-ascii?Q?Tt0+hnGmtY0Hf1SSx/qQ7b1gOIq4GB+8GVgZzr9Y96YpmnHuj5NH5nCLfZmA?= =?us-ascii?Q?G7YqlgmnGRLk2FSpmZJ21e1AdGDVql0420ZlurucGizvAP1xSCqIQDML5lBY?= =?us-ascii?Q?u6K15elcbYMe03ye7dd3gy1favriVCfx4raWuKjXmRPz3ZBdnPCYOb5bRk14?= =?us-ascii?Q?ha9EUdCcG39J1XFgN6W7eu6iZ1dXFRdetBXNrDWnO+Tw2N3EOb5z15RO1RZH?= =?us-ascii?Q?6ClUaEaxv4ArkYRfM+kvKRyC8O0J8LwbOTErNcAEkKziZPntandMlIpzgSPF?= =?us-ascii?Q?9v4InIVxf1+cRq4nSVf1nNfwOQHOKjMRg8KxPpKLe0wBl2thu9SMEijjJpOs?= =?us-ascii?Q?BDO3nHxhaCq5xfjxFX56+FFbKdqW68M/hTJlzacJ8U7ZjzZabqUwzUoWuRAW?= =?us-ascii?Q?KiRTp6Qos7/RmItSv3IyTr/gFO0wzRO2rNQy2B9oUIfGXrNN05/L07Cyfkd+?= =?us-ascii?Q?dLXyOMW++nIlFq2gAYp1UNPZw8D5smPm5nb0eZ32K5EbSuC+Oo9f36Q/7Lmd?= =?us-ascii?Q?CMfvsFOCIiur3Ovr9QMytonlw1EW9Z/yICIXpZza+BcwRzrCV6H3arVweGpO?= =?us-ascii?Q?Exux2aehDDzAOA+4ZRxLJ/5GitJmXHisDC5RzZqZHxQgtzZflw+gNuZ2Rk7j?= =?us-ascii?Q?FjAEn3Ov7a2MSC1peSzKmBkPj/pt9q01dDQ77Ifd9n0wDHWu7/Cq8juXtvqT?= =?us-ascii?Q?tvz6xFUu4Ik0IZzVf6fGTaLJ2AJmQyNMSqe9Gos2fnR0d2H6iEKsGk+Fg+8G?= =?us-ascii?Q?ZBNBOLuumuUmIN03W/KDsIXrj4asnYGP1bwdE1pUYkFubkFgkuRdg1Ps7UkH?= =?us-ascii?Q?dLI9AjOKcHAUz+pBSCsuSeMhai3fjB4TfkGPRegPco3F4D1qXFMbGRLiCuG8?= =?us-ascii?Q?kAAwIB1htxtUGLdrRfWdtJBBjIK73L1xYFcqp3q8f2SKVru9QJk3FeXTyi4e?= =?us-ascii?Q?w8kfRD/s+G9ZvKoZu1Z2sTKJWlbZ4fC5RFuiNw5sfSMMOIG+o/+X7ER99urn?= =?us-ascii?Q?RA=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 10286877-a93d-4a0f-76fe-08dcac6ef2c8 X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Jul 2024 05:59:30.2270 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 4rc7TLW4+Uapn/bNkL6w8JorsIQ2NNvTq4k68/9M+LR9kJs8dCacpJ8qdMikqUsgmKthC70yxFouL+EnT1y6MQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA0PR11MB4623 X-OriginatorOrg: intel.com X-Stat-Signature: pkbmy75dkyifr3kyh3r79qhk1eom7bi4 X-Rspam-User: X-Rspamd-Queue-Id: 0737A16000A X-Rspamd-Server: rspam02 X-HE-Tag: 1721887174-905629 X-HE-Meta: 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 czgmD7MK 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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, Vlastimil Babka, we noticed by this commit: 7fd4dfd0d38db6f3 df00e211c9c11e8d20f2ea7b4ab ---------------- --------------------------- fail:runs %reproduction fail:runs | | | 6:6 -100% :6 dmesg.WARNING:at_mm/slab_common.c:#kmem_cache_destroy :6 100% 6:6 dmesg.WARNING:at_mm/slab_common.c:#kmem_cache_kfree_rcu_destroy_workfn below formal report just FYI what we observed in our tests. not sure if it's valuable to supply any hints. Hello, kernel test robot noticed "WARNING:at_mm/slab_common.c:#kmem_cache_kfree_rcu_destroy_workfn" on: commit: df00e211c9c11e8d20f2ea7b4ab1d7c9760fe822 ("mm, slab: asynchronously destroy caches with outstanding objects") https://git.kernel.org/cgit/linux/kernel/git/vbabka/linux.git slab-kfree_rcu-destroy-v1r0 in testcase: rcutorture version: with following parameters: runtime: 300s test: default torture_type: tasks-tracing compiler: clang-18 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202407251313.32e55498-oliver.sang@intel.com [ 339.985807][ T98] ------------[ cut here ]------------ [ 339.986460][ T98] kmem_cache_destroy rcuscale: Slab cache still has objects [ 339.986476][ T98] WARNING: CPU: 1 PID: 98 at mm/slab_common.c:562 kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 339.988490][ T98] Modules linked in: rcutorture(-) torture crc32c_intel serio_raw stm_p_basic [ 339.989490][ T98] CPU: 1 PID: 98 Comm: kworker/1:3 Not tainted 6.10.0-rc6-00022-gdf00e211c9c1 #1 [ 339.990127][ T98] Workqueue: events kmem_cache_kfree_rcu_destroy_workfn [ 339.990888][ T98] EIP: kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 339.991546][ T98] Code: 74 d3 e8 d8 f1 72 00 e8 63 31 e7 ff 83 c4 04 5e 5f 5b 5d 31 c0 31 c9 31 d2 c3 ff 76 f4 68 05 a9 2a d3 e8 38 28 e7 ff 83 c4 08 <0f> 0b eb cf 90 3e 8d 74 26 00 55 89 e5 53 57 56 83 ec 0c 64 a1 30 All code ======== 0: 74 d3 je 0xffffffffffffffd5 2: e8 d8 f1 72 00 call 0x72f1df 7: e8 63 31 e7 ff call 0xffffffffffe7316f c: 83 c4 04 add $0x4,%esp f: 5e pop %rsi 10: 5f pop %rdi 11: 5b pop %rbx 12: 5d pop %rbp 13: 31 c0 xor %eax,%eax 15: 31 c9 xor %ecx,%ecx 17: 31 d2 xor %edx,%edx 19: c3 ret 1a: ff 76 f4 push -0xc(%rsi) 1d: 68 05 a9 2a d3 push $0xffffffffd32aa905 22: e8 38 28 e7 ff call 0xffffffffffe7285f 27: 83 c4 08 add $0x8,%esp 2a:* 0f 0b ud2 <-- trapping instruction 2c: eb cf jmp 0xfffffffffffffffd 2e: 90 nop 2f: 3e 8d 74 26 00 ds lea 0x0(%rsi,%riz,1),%esi 34: 55 push %rbp 35: 89 e5 mov %esp,%ebp 37: 53 push %rbx 38: 57 push %rdi 39: 56 push %rsi 3a: 83 ec 0c sub $0xc,%esp 3d: 64 fs 3e: a1 .byte 0xa1 3f: 30 .byte 0x30 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: eb cf jmp 0xffffffffffffffd3 4: 90 nop 5: 3e 8d 74 26 00 ds lea 0x0(%rsi,%riz,1),%esi a: 55 push %rbp b: 89 e5 mov %esp,%ebp d: 53 push %rbx e: 57 push %rdi f: 56 push %rsi 10: 83 ec 0c sub $0xc,%esp 13: 64 fs 14: a1 .byte 0xa1 15: 30 .byte 0x30 [ 339.993706][ T98] EAX: 00000000 EBX: ed3f3000 ECX: 00000000 EDX: 00000000 [ 339.994569][ T98] ESI: ed3f3048 EDI: 00010000 EBP: eda63f00 ESP: eda63ef0 [ 339.994972][ T98] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00010296 [ 339.995835][ T98] CR0: 80050033 CR2: b7296028 CR3: 2e17c000 CR4: 000406d0 [ 339.996669][ T98] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 339.997563][ T98] DR6: fffe0ff0 DR7: 00000400 [ 339.998168][ T98] Call Trace: [ 339.998550][ T98] ? show_regs (arch/x86/kernel/dumpstack.c:478) [ 339.999044][ T98] ? kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 339.999854][ T98] ? __warn (kernel/panic.c:239 kernel/panic.c:693) [ 340.000309][ T98] ? kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 340.001084][ T98] ? kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 340.001837][ T98] ? report_bug (lib/bug.c:199) [ 340.002138][ T98] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 340.002374][ T98] ? handle_bug (arch/x86/kernel/traps.c:?) [ 340.002602][ T98] ? exc_invalid_op (arch/x86/kernel/traps.c:260) [ 340.003063][ T98] ? handle_exception (arch/x86/entry/entry_32.S:1054) [ 340.003641][ T98] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 340.004094][ T98] ? kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 340.004932][ T98] ? exc_overflow (arch/x86/kernel/traps.c:252) [ 340.005201][ T98] ? kmem_cache_kfree_rcu_destroy_workfn (mm/slab_common.c:561) [ 340.005814][ T98] process_one_work (kernel/workqueue.c:3253) [ 340.006385][ T98] worker_thread (kernel/workqueue.c:3323 kernel/workqueue.c:3409) [ 340.006870][ T98] kthread (kernel/kthread.c:391) [ 340.007165][ T98] ? pr_cont_work (kernel/workqueue.c:3356) [ 340.007508][ T98] ? kthread_unuse_mm (kernel/kthread.c:342) [ 340.007852][ T98] ? kthread_unuse_mm (kernel/kthread.c:342) [ 340.008205][ T98] ret_from_fork (arch/x86/kernel/process.c:153) [ 340.008546][ T98] ret_from_fork_asm (arch/x86/entry/entry_32.S:737) [ 340.008966][ T98] entry_INT80_32 (arch/x86/entry/entry_32.S:944) [ 340.009348][ T98] irq event stamp: 13099 [ 340.009686][ T98] hardirqs last enabled at (13107): console_unlock (arch/x86/include/asm/irqflags.h:19 arch/x86/include/asm/irqflags.h:67 arch/x86/include/asm/irqflags.h:127 kernel/printk/printk.c:341 kernel/printk/printk.c:2731 kernel/printk/printk.c:3050) [ 340.015799][ T98] hardirqs last disabled at (13122): console_unlock (kernel/printk/printk.c:339) [ 340.016806][ T98] softirqs last enabled at (13120): __do_softirq (kernel/softirq.c:589) [ 340.017976][ T98] softirqs last disabled at (13115): __do_softirq (kernel/softirq.c:589) [ 340.019062][ T98] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240725/202407251313.32e55498-oliver.sang@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki