From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 765DE24A063 for ; Wed, 10 Dec 2025 14:56:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.14 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765378565; cv=fail; b=BWjQNoiOzMWSgf7AprFuPLJt+gLM8qsoL7jH269Prj2NTK6oo60mPJdXQSnuFhdOwFP2oCLqw1LuNVTRv7nx248VpEWsDU2VURimarkpFInPWAarLAW1eTLjhI38KWbiE/Zr+BHJSEpPBujfGssb7i/vk8iy6e8bJDStIkCHkug= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765378565; c=relaxed/simple; bh=NFRWTh8+cGvquOUjKhghqG1yWywc41hQh5SZfj/EUn8=; h=Date:From:To:CC:Subject:Message-ID:Content-Type: Content-Disposition:MIME-Version; b=iweRQ0xNpb+KKTsk8mwhu8qmxBPTtBNae85T5TjVViRSG5ioJ2IdQcA7Fuz6LPgZk3B7C79AlDaQAHXv+rw1fTAYfvmhtq6YEZOcfxe0lfhUde6/pvszsdGHN0g6OsJMtEfi9JvuwEka6Y1/EgfvTa7PPqwMYKri0XYTpJXq5QI= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=IXPlJ2JK; arc=fail smtp.client-ip=198.175.65.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="IXPlJ2JK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765378563; x=1796914563; h=date:from:to:cc:subject:message-id:mime-version; bh=NFRWTh8+cGvquOUjKhghqG1yWywc41hQh5SZfj/EUn8=; b=IXPlJ2JK31EUTgGidtwh0hwdGwBehrlyR9ajWPrqzaOJfNRGKhDnW56h RZk7ZAkJ4LMfZ32mb/6ktNOgm56qUTqI4DW9rDNrkQ50tsd5D2rArKgjN aSP+970YBpjChWUn9Tdwl1UI2QBUDMImzz33HNg6jPNppVBX6hzlY4gA7 K11yguhMCkOQJD3BMvaWO7wFz37BjQut+AT47FnqcxDeQKfGeFkUzVvx2 SomF0AZOsAPKGYR+sfn5cKLNmMHCq5dytufboR8TuhCfmYc5wCbuCKO5O dkptIG4fON4cI6msafkWnhCPEcALNXCRYW8dnAZLVghG0uf0MJsirbbf6 g==; X-CSE-ConnectionGUID: 91R6quECTWCCzrIN64AnCg== X-CSE-MsgGUID: trdYWV3BT1aqER3I7isLgA== X-IronPort-AV: E=McAfee;i="6800,10657,11638"; a="71214670" X-IronPort-AV: E=Sophos;i="6.20,264,1758610800"; d="scan'208";a="71214670" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2025 06:56:02 -0800 X-CSE-ConnectionGUID: Y5M7dRpyQbGM7mNR9YwDXg== X-CSE-MsgGUID: yiEO2cRlQ/Sv+IdMv4ZW/w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,264,1758610800"; d="scan'208";a="196531807" Received: from orsmsx901.amr.corp.intel.com ([10.22.229.23]) by orviesa007.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Dec 2025 06:56:02 -0800 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) by ORSMSX901.amr.corp.intel.com (10.22.229.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Wed, 10 Dec 2025 06:56:01 -0800 Received: from ORSEDG903.ED.cps.intel.com (10.7.248.13) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29 via Frontend Transport; Wed, 10 Dec 2025 06:56:01 -0800 Received: from CH4PR04CU002.outbound.protection.outlook.com (40.107.201.10) by edgegateway.intel.com (134.134.137.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Wed, 10 Dec 2025 06:55:59 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=NsEK2AiexXklyvVC9KuWAlC2jtQsW3Li5sHJ/YG5zRm6m8QVUEc7qHLKQHjBuqGSM0W9voOv0ShMehWOiLV0rOiz/0rNVbV7KhvbTmOgj80PSVsmeUdfjGkDhHuYXKGZdJX19HUVSME0pkUBPqhOpX0/iJyx6I7IeOMjb26u7l0b6A+oNI3tM+9BsYROuJX6XvgfQVjEA5Egl1arCoBEZEjno+H076sGeWmgI8V6BiW6xGPyM3urrI0xlN89P6yjzMo0LZK2Pim1V+5BU2B7Gbj+Q7KkwRXya0m6Ws2VWJmMlFP2Md749i0+TCzRneP70SLV6KPOb33kE9KdQuETtQ== 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=Eymuh32uAm6WxTmrKHr7vQaQ6Dl6poJruWRvk3tSsBs=; b=XmfNRdNORrFnI4TaP8Mau98XMWzSSnO24c31HAf4zV6Won3UODcnn4y5pGSWCEUJVB4LkMp6adW7RcVyopYmkvPB6ECEKDcO6aT+WxGqHZPWzH2nL33cVMgH9wxwr9Ns3PayD9gRYc4khsRcrM0TricUHfPCWRwF9GAiO3GNaZ49S8Cx4BlNop7CZ/OwP11vKNS/JLkspYo+25eDikpk/vqzb3MVaELyDxYmxHTfKAqwsSSPDtMSOU0Oyyn88cREe4U9tot4hWrTIjNdg5eS8FgrXqiklwJzl52OQhtWZcnHMnNf1Kc4/E+S/uSm1BUZTnf6sk9xh52OPed2G4ZPVw== 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 Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) by PH0PR11MB5901.namprd11.prod.outlook.com (2603:10b6:510:143::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9412.7; Wed, 10 Dec 2025 14:55:56 +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 15.20.9412.005; Wed, 10 Dec 2025 14:55:56 +0000 Date: Wed, 10 Dec 2025 22:55:40 +0800 From: kernel test robot To: David Hildenbrand CC: , , Andrew Morton , , Laurence Oberman , , Arnd Bergmann , Jann Horn , Liam Howlett , Liu Shixin , "Lorenzo Stoakes" , Muchun Song , Nadav Amit , Nicholas Piggin , "Oscar Salvador" , Peter Zijlstra , "Prakash Sangappa" , Rik van Riel , Vlastimil Babka , Will Deacon , Lance Yang , , , Subject: [linux-next:master] [mm/hugetlb] 0e1ad0324a: WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu Message-ID: <202512102246.ee3d6d07-lkp@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline X-ClientProxiedBy: KU2P306CA0053.MYSP306.PROD.OUTLOOK.COM (2603:1096:d10:3d::19) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|PH0PR11MB5901:EE_ X-MS-Office365-Filtering-Correlation-Id: 695cf257-7195-467d-9c58-08de37fc3933 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?4YlotVGBgLzzrd04KY4HTyt5lFFQMUU9EUZ5y3ywef11A9AFobDzA/ozgTEt?= =?us-ascii?Q?KB8OR2XNK5bM+CMt6Gv68bAlB7ltEP8rY6DPB/475V64t3RinvDaMvYaSUfA?= =?us-ascii?Q?AQdmeqqwWTFy5JCe8ryZx411yoRYsd/RDqzo9MmqW5KAm+uP4R5zYo3UPkcf?= =?us-ascii?Q?At30qBwGy8moQwu+Qbq2eUwIkRwR32yD5AezEq4+80oORaGPgWQEvSIYzHYJ?= =?us-ascii?Q?trs/IgtZWpMgaf+vRWOl2OzmDfSI/m67ziGCqAiuS8gHL75f/af/xJHiyXcL?= =?us-ascii?Q?I+qAMifvSToXjTNO2XSPpv289F+4+nwcWIzAv//vsh9wRlS3waGABLZtgA+9?= =?us-ascii?Q?/IuKVDXRXAgqn1hFWGd2OEHtLwzKjm6LYsK+64xt5eN8OXiethqbNk1AbO9e?= =?us-ascii?Q?rUJfEPeSktCKQDB5xmNx1ivkWMKfNxWdZeLvcOQD7gCB2de5XpUBiIIMRXKF?= =?us-ascii?Q?gU1vQ9HN8PTNRoJq+S6PqxCVUfsyKRWdNvAMYmF9A5ZQb/pVsBDLRhIcQmV0?= =?us-ascii?Q?O51Xk36HTWwxkJcalhI9HM4LYzq2T0IwYhJi9YrILqPJBy44WC672tbRCSn6?= =?us-ascii?Q?V0fW6t2dyivo4U2Mae46PFEkYi/wQi8QH0a5xc1OzcK3Ink7N3ZLXkUOs5O+?= =?us-ascii?Q?jSMc5Ms3iF/9tMsWiLYd+j9G8W6+JS8gKOM/f0j/p1dUGJtYJsOfj1VWwFC5?= =?us-ascii?Q?AODqBeB2eYqGY+6y0KXtdJ87ZWqg8KUJPl+KU+dFlprI8+/VfYO/Wz+QhzM0?= =?us-ascii?Q?6t54e1zNVa3xEVclBanntxyn1dxA01oeyFq6rYRlzmHRhMMFds4z47hd5YGw?= =?us-ascii?Q?3rLvEPSSsCT7uGsi2ULTwXgC+OEjOGo6NgtkLyWIcQ1mVPhDyQQBsewrGs1J?= =?us-ascii?Q?QXM34Bpkfc+3x2HR1jKz66lfLS4Cc0Z/VhGDthj/WOUkzzhWYyRZRpS935J0?= =?us-ascii?Q?aiBfV9ssb4FkSy4qZbdRu8bfHkvyxYjnKdMsMNi82Kf4lnLakohF39HMXGrG?= =?us-ascii?Q?KqD3xwHNi6Dkjalmb8FR5PZZHI/30XsKKyRWg3EVPQURwrTXvNxqVvGgmyAA?= =?us-ascii?Q?13AUjWdNbsKpZaeU5LK+jrLoLR8SrhU02fSY9CgL3j0k/Hr/nspBLa7jgQ61?= =?us-ascii?Q?BJcgByhDjBkEckr/oY1cEu+5yIF+ARzWyFzozonE6eyb3UzhtM9Alg2kee6k?= =?us-ascii?Q?A6RQ0U4Joss8KUUEXiK0uAMnZ7OQNVYQId40A3tU9coqum1hS1walS98eCvM?= =?us-ascii?Q?kJREXEVjx892PGjYJm6qb+cErVxU6cwuGVgi6SkGWVQ79AsYEGflxIVSOhnS?= =?us-ascii?Q?ejpB29nbruh6O+mttWKtKn20+F1moulTj67aw/HJL2OxhEEuarFGNqV7cduK?= =?us-ascii?Q?vWaTDsxeyBDJPCmDSw/I90BNW+LdTbNZ5JTTpGPsjscuUNldQmxhmbmRYtQR?= =?us-ascii?Q?WxonEOfeeoFPWpTb5lQblTMN+QggIk0FPO5yfdk9XyRRo+YPciLDzQ=3D=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)(7416014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?QgKGyxJeZ4d5NjeQGAJ1NGu4i9Ih//a7L6A16sgVRGnmj0Hv/4Q6kjyYaKgP?= =?us-ascii?Q?5dbWagzJp0xCDegiAltJ/E09aw3eIfE3zXM6hsqsH2zSkKTlW5rBz102T9+3?= =?us-ascii?Q?PfCMGlIeZtXI2DVFsaiIDtXvxjo2uhAYuEBnfXuBdXqXiW1aMRszIDQxi7qD?= =?us-ascii?Q?AuIMU9wUAT1bY5GGTNZgck8pkzl3s3cZavtvzf1+sRs/QYLXPbkXnRq3PEY/?= =?us-ascii?Q?lVz9CXo7XxklsPi/m3CrmfsoKN+wU8y8ZrXHpPZsi22kvP6IC/A7aPnYnC2Y?= =?us-ascii?Q?mITvgrLZ6pN9oGkAOc9HVcn7c3c0G8chbIN38NA6+AH94G3r7k0yL6QbEVUQ?= =?us-ascii?Q?UwBIGc8I6OzDL+cSUPyGm5B1F+FUIu/Lyu3PA/BhvAvZoytqc0KN24Mu7JUR?= =?us-ascii?Q?PmUvuQVJkYwxQqwFkDzlOWhDWFVTwLhMktC3Idy+YZIJb+/FTi8oifI14Ksl?= =?us-ascii?Q?7hQBoA66U5k4w2xj1UVfcb8WL1sAcaUK39B48dfIf0snZ7Nm5QJmwcRz9yc4?= =?us-ascii?Q?QnPLFdUoaPZ4KvqR/96N+yUJE0V0nV2bk6DQ1/FUxRim5hDfOPjyHTsj6QoE?= =?us-ascii?Q?wNOGf7Y1g/17Hd/N6zZzv99NyrjgViE74YxDHjKfVQ4//2IJuOWXd9/z4C+j?= =?us-ascii?Q?dLJU1BIeSx7XlZ57qfLLlDWfsbLZJJjL6a7g76IA7p/TDEW/JJUi20IDbywN?= =?us-ascii?Q?xAOq7oFbWEoqjEWy+Gb+R2i9mjVep1MoE/GfEZJCf3WMgqXzzqjfUryjpYPm?= =?us-ascii?Q?FE7LEZhcsZyIQTzmCBzRW2fgjB+g1+a48vyRb9EYfx8Da+FmQ+XYJ2G6KsVJ?= =?us-ascii?Q?7kCMzOlM4NGcRvXVjGGE//5lpE7YoHFB9a4gM+bUzaIkriRxm0DDxpSQoUV8?= =?us-ascii?Q?rQtwNMW1kb5KeFUTdVR9hYGY6OTiiYTz0VF9+YqE9bZPJl/cxuczrycCrqlz?= =?us-ascii?Q?tu6Ke0bkrzACrGp8uqbNjM4DjbOageiEA9L9X2C0VMHBtpUGI/6N6FXPEI/C?= =?us-ascii?Q?Xks1Rdndb0a5IDC0AGCiiA0/HhgJY2/zif9fIr2/rxK4nJ3En43o7PXTVE2e?= =?us-ascii?Q?+J1wCnpDVxLEMp4led/eNn2Wo5YzMAICkmtZeR0+GQc+jQ3V5mihn+y6/I1u?= =?us-ascii?Q?Pbb3R/aHnNwvJMADmglHk73odBfTWl92+2af4nSJh7nL6GxXUEqat8IhhEdJ?= =?us-ascii?Q?VU/bOqO+r2EWlqRXg0XXFMMuKmCbJJ2vDltKz3+WeRhduCP/ro1hi1LjZDJG?= =?us-ascii?Q?f4yKFzHdegucL9eWZnk0GVJHuEWtmmg3klIKI4nNPMI/ztDyvnBxveE7mo5l?= =?us-ascii?Q?sYGpuAuDiSEkj1Je+odX4sVgETHRINiMYjzeCRbSVPrY8K1VH94sHj5HTMAj?= =?us-ascii?Q?kaDjpN1vawiEicD7iuVDoo75Rd85Wj9lKmpI8wUzjX1nr/VCsN2UNGqYLIrz?= =?us-ascii?Q?decKkOzkqO4qMqqH7Ffz11BsAcM5yhzPVHmpLtbSTPnyejIRKhxzzTe9hVnN?= =?us-ascii?Q?BkTVrYg/wFLgZ/4yY1ZY2oDFzmerxBhoq5a7J87opaFqu24G4W5Sr0M9VVYV?= =?us-ascii?Q?qZFuveBXIA84+0wJ/p9V/nB2pmtsOEvuuCnd8NfL/iwEkqZWlEaGb7i6alPx?= =?us-ascii?Q?yQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: 695cf257-7195-467d-9c58-08de37fc3933 X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2025 14:55:56.5494 (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: deUZC4U7r5u8MtCI5iDO2WD4lRZJNev8uN/tyLtcJU/qzdvgYhgx3ZB7Zmk28Gye3vnB2xY/Z5Ns75WDZdlsbA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB5901 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu" on: commit: 0e1ad0324aabb5aef3ef409de9a395cda7ee6098 ("mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather") https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master in testcase: boot config: x86_64-randconfig-004-20251209 compiler: gcc-14 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 32G (please refer to attached dmesg/kmsg for entire log/backtrace) +--------------------------------------------+------------+------------+ | | ef8ae3fc3a | 0e1ad0324a | +--------------------------------------------+------------+------------+ | WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu | 0 | 12 | | RIP:tlb_finish_mmu | 0 | 12 | +--------------------------------------------+------------+------------+ 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/202512102246.ee3d6d07-lkp@intel.com [ 5.210750][ T44] ------------[ cut here ]------------ [ 5.211469][ T44] WARNING: CPU: 0 PID: 44 at mm/mmu_gather.c:475 tlb_finish_mmu (mm/mmu_gather.c:475) [ 5.212311][ T44] Modules linked in: [ 5.212737][ T44] CPU: 0 UID: 0 PID: 44 Comm: modprobe Tainted: G T 6.18.0-rc5-00395-g0e1ad0324aab #1 PREEMPT [ 5.214003][ T44] Tainted: [T]=RANDSTRUCT [ 5.214515][ T44] RIP: 0010:tlb_finish_mmu (mm/mmu_gather.c:475) [ 5.215083][ T44] Code: 66 89 47 20 e8 90 fb ff ff ff 86 dc 00 00 00 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 54 53 48 89 fb f6 47 21 10 74 04 90 <0f> 0b 90 48 8b 03 8b 80 dc 00 00 00 ff c8 7e 10 80 4b 20 01 48 89 All code ======== 0: 66 89 47 20 mov %ax,0x20(%rdi) 4: e8 90 fb ff ff call 0xfffffffffffffb99 9: ff 86 dc 00 00 00 incl 0xdc(%rsi) f: 5d pop %rbp 10: c3 ret 11: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 18: 00 19: 55 push %rbp 1a: 48 89 e5 mov %rsp,%rbp 1d: 41 54 push %r12 1f: 53 push %rbx 20: 48 89 fb mov %rdi,%rbx 23: f6 47 21 10 testb $0x10,0x21(%rdi) 27: 74 04 je 0x2d 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 8b 03 mov (%rbx),%rax 30: 8b 80 dc 00 00 00 mov 0xdc(%rax),%eax 36: ff c8 dec %eax 38: 7e 10 jle 0x4a 3a: 80 4b 20 01 orb $0x1,0x20(%rbx) 3e: 48 rex.W 3f: 89 .byte 0x89 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 8b 03 mov (%rbx),%rax 6: 8b 80 dc 00 00 00 mov 0xdc(%rax),%eax c: ff c8 dec %eax e: 7e 10 jle 0x20 10: 80 4b 20 01 orb $0x1,0x20(%rbx) 14: 48 rex.W 15: 89 .byte 0x89 [ 5.217110][ T44] RSP: 0000:ffff888103fc7c28 EFLAGS: 00010202 [ 5.217747][ T44] RAX: 0000000000000000 RBX: ffff888103fc7cc8 RCX: ffff888103fc7c68 [ 5.218585][ T44] RDX: ffff888102b85000 RSI: ffff888103fc7cc8 RDI: ffff888103fc7cc8 [ 5.219466][ T44] RBP: ffff888103fc7c38 R08: 00007fffffffe000 R09: 00007ffffffff000 [ 5.220295][ T44] R10: 0000000094692512 R11: ffff888101b54948 R12: 00007ffeaa1ad000 [ 5.221108][ T44] R13: 0000000000000000 R14: ffff888103f70a00 R15: ffff888102b85000 [ 5.221923][ T44] FS: 0000000000000000(0000) GS:0000000000000000(0000) knlGS:0000000000000000 [ 5.222854][ T44] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.223545][ T44] CR2: ffff88883ffff000 CR3: 000000010172b000 CR4: 00000000000406b0 [ 5.224429][ T44] Call Trace: [ 5.224782][ T44] [ 5.225096][ T44] setup_arg_pages (fs/exec.c:674) [ 5.225621][ T44] load_elf_binary (fs/binfmt_elf.c:1028 (discriminator 1)) [ 5.226127][ T44] ? exec_binprm (fs/exec.c:1670 fs/exec.c:1702) [ 5.226612][ T44] ? __lock_release+0x4e/0x120 [ 5.227188][ T44] ? exec_binprm (fs/exec.c:1670 fs/exec.c:1702) [ 5.227678][ T44] ? __this_cpu_preempt_check (lib/smp_processor_id.c:65) [ 5.228270][ T44] exec_binprm (fs/exec.c:1672 fs/exec.c:1702) [ 5.228746][ T44] bprm_execve (fs/exec.c:1754) [ 5.229212][ T44] kernel_execve (fs/exec.c:1922) [ 5.229754][ T44] call_usermodehelper_exec_async (kernel/umh.c:109) [ 5.230368][ T44] ? umh_complete (kernel/umh.c:64) [ 5.230867][ T44] ret_from_fork (arch/x86/kernel/process.c:164) [ 5.231341][ T44] ? umh_complete (kernel/umh.c:64) [ 5.231813][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:258) [ 5.232321][ T44] [ 5.232643][ T44] irq event stamp: 469 [ 5.233065][ T44] hardirqs last enabled at (477): __up_console_sem (arch/x86/include/asm/irqflags.h:26 arch/x86/include/asm/irqflags.h:109 arch/x86/include/asm/irqflags.h:151 kernel/printk/printk.c:345) [ 5.234028][ T44] hardirqs last disabled at (484): __up_console_sem (kernel/printk/printk.c:343 (discriminator 3)) [ 5.235062][ T44] softirqs last enabled at (504): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2)) [ 5.236041][ T44] softirqs last disabled at (493): __do_softirq (kernel/softirq.c:657) [ 5.236959][ T44] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251210/202512102246.ee3d6d07-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki