From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) (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 16A03274670; Wed, 10 Dec 2025 06:20:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=192.198.163.13 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765347648; cv=fail; b=psdzltck/AcLfJ5koKh/Pyl2uz1Usk0xL3W3m2Qdmpgo6LmGfx3SzZbq0Z9WikDFeQdOD0lGfdppETg5xgWwj1/OFidH8/po3EOhn5Rjxi/UXfcWNPhn1IvrHPdbcd8oCVnco3OdlR3FqmZxKRPYNCiXTEuzd7LAOuUefv4M8m0= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765347648; c=relaxed/simple; bh=ryLe7L0RWHoUDBIm4pbS+Gqc8eihGQc7tBeJj035TBg=; h=Date:From:To:CC:Subject:Message-ID:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=qv5EaKotD35W8LjX8vF30XMYbityNQgUEc8D40iRKWz5kgqtg3h1Ct//PoFKx/SA+RgvWbLgQM1tNKIF7j+pxKY9CYkWwTLU1nMS49uaf9DcZFKyeA9PJ2xyhec9NYx8tVOjjyDkaGHtP3uBk3uhATuXDQ5QNHt/8Zg+aHY1OxU= 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=mPHPW0sn; arc=fail smtp.client-ip=192.198.163.13 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="mPHPW0sn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765347647; x=1796883647; h=date:from:to:cc:subject:message-id:in-reply-to: mime-version; bh=ryLe7L0RWHoUDBIm4pbS+Gqc8eihGQc7tBeJj035TBg=; b=mPHPW0snGe81jtr70tth8srewl5WkssV83s7UyFSyph0mEcp+qv2o5hc B8qw+T9cH1/cInRO0BE+aHcxyzZcfFuQlN4MPHIcjLQGJXL0k79QLTrIP W4Ody5uKFcMmlaO86yS66z2COMhIWhnZxfLuqt4jKK/IFKgbjl77d5fnJ 1aMXHY9UEDNr3xo+EGN2mW6UbW9pj/OXT+rSYPGaRhDxW2OP3uqMoBFXu BwxpXRQ5tlYGOzp3Ph0XIIU42mTLHEBM6BChevImBEbhlsTIAAbfyu8/y /Dl4+5JgBen8rvlstbauwBxQZWS9rndLF9tPtlHHRPlWcL+9VhMEiupAO A==; X-CSE-ConnectionGUID: UA45zUk7Q0yYEuXWxFMOUw== X-CSE-MsgGUID: aMfT036TQcu1IXkJk3MNcA== X-IronPort-AV: E=McAfee;i="6800,10657,11637"; a="69901846" X-IronPort-AV: E=Sophos;i="6.20,263,1758610800"; d="scan'208";a="69901846" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2025 22:20:47 -0800 X-CSE-ConnectionGUID: peRip3lKTkCjuG4aIY1wrA== X-CSE-MsgGUID: 9eEuwfodR/OYuW9Pnb5ggQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,263,1758610800"; d="scan'208";a="200920755" Received: from fmsmsx901.amr.corp.intel.com ([10.18.126.90]) by orviesa004.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2025 22:20:47 -0800 Received: from FMSMSX903.amr.corp.intel.com (10.18.126.92) by fmsmsx901.amr.corp.intel.com (10.18.126.90) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 9 Dec 2025 22:20:45 -0800 Received: from fmsedg903.ED.cps.intel.com (10.1.192.145) by FMSMSX903.amr.corp.intel.com (10.18.126.92) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29 via Frontend Transport; Tue, 9 Dec 2025 22:20:45 -0800 Received: from BL0PR03CU003.outbound.protection.outlook.com (52.101.53.52) by edgegateway.intel.com (192.55.55.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Tue, 9 Dec 2025 22:20:45 -0800 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=w9SPyFS1bRo6/YVNp4hYqhTHhYzbxEa9DTKTmdnQlHbNohSfNAlsCA4cIH+T7RafLjr4vYiiv/CcYHcSDdto7zK31OEJzy1Ib5wB9KwExBLYk8zWbzaIRmhuYDab2o51mtFm4z/n5cdqmB+tN1AniyP1FKmBTVdlu+gP0yNS3dFB10OU1FID2tF2IHebOwbbtvtIfpDWj7ND7OdDZsVlGH2Fpb6bXlntrtIonmNF1X3lVF6wQckoTpA9a3ichYAKW3hWKfq6swxg7QOnO13SLeXl9ZzslbF3px0q1DvWw+1xILK5sEHG2DtGLQ1kpypJ2XLhusMXTFf9TapPQTAy1g== 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=G72PT6SUCHYTT80s+oWE+D+ZkfiCRk0VzPBNBij9+Ng=; b=PlMVQcZHrpZ7WMwh1KBNg+abGYhp7xDGLr7itED5xJ5a9ATTWX6i3+RAMpofEu6Dy7/LLjvf0YPDZywOofkTnsYf/igdx7XtG+ULUdW5u+PNbpvJU+oDTuU2ZLz5PVy117kXsWpwxvykUBgWSbnSUij/0UF+2GD4s5fpXYEpUxT32FQyc4/hzBe2fU0k3BC34pfHyk0VhBPWXGAYYLjqrbldmIflWqAErifomo3lwUFIDCDkj7oAfEbmz8y8pdmbMttJc1RXfYkcp6f3VpIEQX5rCmGG521/QsJIeMPt2SMjPGf+3yfwxVKar7WqVw1d/VsUtn1rsHnLwz8Wm45paw== 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 SA1PR11MB7700.namprd11.prod.outlook.com (2603:10b6:806:330::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9412.8; Wed, 10 Dec 2025 06:20:37 +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 06:20:37 +0000 Date: Wed, 10 Dec 2025 14:20:28 +0800 From: kernel test robot To: Caleb Sander Mateos CC: , , , Jens Axboe , , "Caleb Sander Mateos" , , Subject: Re: [PATCH v4 5/5] io_uring: avoid uring_lock for IORING_SETUP_SINGLE_ISSUER Message-ID: <202512101405.a7a2bdb2-lkp@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20251202164121.3612929-6-csander@purestorage.com> X-ClientProxiedBy: SI2PR01CA0046.apcprd01.prod.exchangelabs.com (2603:1096:4:193::18) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|SA1PR11MB7700:EE_ X-MS-Office365-Filtering-Correlation-Id: c183f7f4-5d9a-4d10-adaf-08de37b43bdd X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024|7053199007; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?Fs6pZ1axsX0e6KaQin2V1aLlNPakTCZYfWZl/18BdDHmzG1kGv2o4iZSUi7O?= =?us-ascii?Q?6mYWW19OsabN0QVCHJNYR775GufbwGqJyf/kynHpAiUo7Yg56qMPQQtvcVeQ?= =?us-ascii?Q?DtqrnTNBHbOIaQXblOwHPLRoBzSMPlSW0J3RuBrfUP4oDe5bXOcIWfNfoEgE?= =?us-ascii?Q?XXx60sN7pwGXkzsZPbL4b4O12KVXw1vDVjDt1TIESEVXhU/1rL96e4qfu5gS?= =?us-ascii?Q?2iYGGYoDeDB5q4K1gBRNYxJsnxT8plz9+p6WtjGPyg3az0TawKSx1k8casVm?= =?us-ascii?Q?2llF35nSSw1cOKd2K79iVNQhiCbgZWBFysv8OSSJHk1JhAeRVbMMPHQOf1Yx?= =?us-ascii?Q?Y8lPrAClkcgs7ZEzoyriTUzTQuiJuniOgXNHEqRVwiXEkfOx96atbF+5Knxa?= =?us-ascii?Q?zTtk2L4wm5jhBXHSIQfSOLKBbFcbZpiYnLmV43kMH85SReYQOxQAtvHiKzG/?= =?us-ascii?Q?A+EZi269d0J+aZr/A2N6PAuotAVmsMQL02H4wFcP+2dV/vOv8z4Bogzgugvm?= =?us-ascii?Q?3kkMdEz9uZNQ9OsbHwRMELwLr10z5Uwi9WG4erUGJL2ewLW6SrncnruqQZcn?= =?us-ascii?Q?i10SidlyaMGEmX/doAZU3uze2iwDtE2SD7W1T7MbRN8qfzYHqsAoOIaN9gCn?= =?us-ascii?Q?TWW1xPrz1UNgfpT48kuWFSdptTezXgjm20qgkYPT9Hwt4OWj6AT1i4U/3Uyo?= =?us-ascii?Q?6FURly7PIdjXYKAaKnN2njXXt8Vd1574WlyiSMYYdi7DMrS7CmZr4bDuneY6?= =?us-ascii?Q?IE2g/TK2ZxI8fWgZFwMnXPOit873ZpbT1wtFbg+8VQE1Gm3BuYrS9XzzOJ+7?= =?us-ascii?Q?oO0CLVakkk9NmNSNTgchU/4f9qwEcRh6ILIalvLnV2khsRB3hDUj3whuCrgr?= =?us-ascii?Q?wwfg1y/iAhsQZ5PJcqBsgdacjZ38l0nDs3q5ukq1WDlrBdpF5T0qBDJlXkrL?= =?us-ascii?Q?7XVN94aamCkwt6ZuybMp4QalDReAPqkJNd/P4XnadwQZwkBnGxgNw754sq14?= =?us-ascii?Q?MP0DybxEb/P90VL1tQoGRbMLErEXAKD1SZfOGPLnReaL57Na20QXv+8MCC98?= =?us-ascii?Q?6BzTWx5f01Uhl93PILs9eYz4zwHZ+QJvLV0nXjXJK345N56bTbqb9/sMuU7F?= =?us-ascii?Q?xspn5tVjRoQpPYe6ys05JejlvMjX03slfRRhsOCNvLOGZNHtk8xXsQS7CPpw?= =?us-ascii?Q?AXMf2N2bckmaxn5Cgrh+MbD/dNnSTYlaGmowKVYXog6uAjwdoUslPUZJV06g?= =?us-ascii?Q?6dcju/1fjXgndJBlvdx7qUJVwz8ozmjTfjHkFpfgQu3IZYX6HT/S9N5AcRF2?= =?us-ascii?Q?z1d5gVGv817Y6nhhf56omgon06Qn8pV8K8ZXs17uUY1n/q8T0G4PBbYbgTqV?= =?us-ascii?Q?65pn6t9rTvga9Wbttiw+Q/XWR/ZPw3x7ZkOcWmpJIEDpTMp4LkwxiEXPxgVc?= =?us-ascii?Q?QUyHcc/GFm1E+ms9MCOZjnTOv0huenhwbWwV/kH0p1l2Y2tRmAoCJA=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)(376014)(366016)(1800799024)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?R+1cG2odEbfxzJOsnWOzyK7cPbV6UAaDro3soHzNjqW92Oq3xidMm2xwp1sm?= =?us-ascii?Q?9x7awZRY2W5+l8deBzSuo5ZZqzFQxsI4fKNdsKkgGk5gqF6M3VlI0jjxQrd7?= =?us-ascii?Q?Bkd7PEMYSCVLsxAYkN4Bh4KAzyVfewlRClToUvwrEM5ueH2+ZdDCKK52jfHs?= =?us-ascii?Q?pNJtSxDeBIP/9v2sHei9diib+xs0zS49tBbIAZX8XHMryt1tCaWGe0q7vhAQ?= =?us-ascii?Q?YMVthSoBnzvoH6FGn1zMV7f0zVaIHlteWrL6H5wlNUPAyUPO/0oWdZW5PxRX?= =?us-ascii?Q?FGHTWWMtySZu0JpJOtKNjF+VTM//TwCrjlC/wa3tPNRTcskCwx2bqzYWc2GV?= =?us-ascii?Q?lTtv45ygdHLGVyB/wvkitRrvq2N93BiG/4aHHLtnGT6juGat75iTAxoPGKEc?= =?us-ascii?Q?SlzvCShFRdGk++/nuo3ATbHAdhatJarjJLSBPxpXaiYwJgEFyozpy3AtO7Kz?= =?us-ascii?Q?aeswslJKgOqd2kDwOpKjpvbxqkBzrnMx/ecWnMnDsHnZEJmCO8s4h0G5DZ1N?= =?us-ascii?Q?J7YhKBLlR1HRFuule36p3UUqEjYbAtqoxSEZWKfnRNzOf+ICAfrA4TCg5neD?= =?us-ascii?Q?lYHCvQoy8/ohR6QCZjRGxD2R2z2S2m+iJHJIfI/XL1uBO1BULNrOArsGw7Qj?= =?us-ascii?Q?9Fhg9MWanZ0voNuK2WM4euM1HI7mhnGmjTPabt3ikfbe9bl9yxEdLt/DmSvx?= =?us-ascii?Q?UWL27Ue3vKe5xSFsbzSBT5XOfK3aMvv0SYmYMJJyZ9mPvROBDZrjKARVOUt1?= =?us-ascii?Q?/eCdAL1wO1SA+o9kcZUHBw4bR0LNFJEDlS0gQ3H/PnyH+gEFpoxNpMFginTJ?= =?us-ascii?Q?2oFLqMuG6nwQt+rZkjweQdgWUjogEZw77vnm15uuJGnQbizxgexjnx2Asr+G?= =?us-ascii?Q?gLJh5oCsUYKoV2qGaQP3FvI2im00WyZ+O6jYnyYq7Jo8nj10FuVb5nk70/MA?= =?us-ascii?Q?BBxWvGnUzaZtPEh843VIwKz9qwCd/n75MVW3x3seopeb68PvfWQohqJBUSIq?= =?us-ascii?Q?xpRsEm8vGnEZKvO+HVKLIjrxpbEp4tanRwtPmvzD4t30hGUGLRtR7WHmScox?= =?us-ascii?Q?HMKaBYygwFloLaaUf2nvRWvNrmECQYCpGaPD5EwU6ey2oVwV1Kc4LMOXUi0f?= =?us-ascii?Q?9ru5UUZZmN+fr9hjt2ZWYGA87adz1XNNj55HJLGcvE/pi1zYDQxpWZE0ZwKz?= =?us-ascii?Q?ZUZRcjnjgSgiC45RIzL/yTyA/R2sBrEbUOsptIaEzqd+RNElmCA1IdpNVpMP?= =?us-ascii?Q?th9iJ/SFosUGM4BNTccbN1oSKKOnvJnguN5si8rrBPe/sy3VcTN9Yy3DGLjj?= =?us-ascii?Q?jqwZ6RohEoQt1gvvVUzDOWN1uLj2w8lbTbJLQUUOGyM4gmeXp0Q0O7gbpcU0?= =?us-ascii?Q?bTgxBdG1KVeHoDacd0CvkEGXYY2ePNoK1DLQjtndVIBseqiIt23tWHB8YFZL?= =?us-ascii?Q?xsozIryg7hqJ55m5t3SYuLlwNRQ/cSsCTcdNQHn0CsaTKY69kgBxCOeBxdTQ?= =?us-ascii?Q?ToxOX5UhngexISZtcXCVFf8ob72aUem4dtl2vuLlbnz5iKBDQoh5wvZPzbET?= =?us-ascii?Q?uHvrpPIyHne4PFTehqrFA/D9YqbrwUhVnVKP8MFLKK0o4fAA9XdmTDSfVTXs?= =?us-ascii?Q?jQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: c183f7f4-5d9a-4d10-adaf-08de37b43bdd X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2025 06:20:37.2635 (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: Dla91w1KuMWP+lZ4EqHxn5S0Zb+d6cinn9YNluotigxS4aj/jFHCiQ7Q5IuwfJBdNtbyQUFiqAeCVVxwezdE1w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR11MB7700 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "Oops:general_protection_fault,probably_for_non-canonical_address#:#[##]KASAN" on: commit: a924e7ffd1b0b2e015ed1174662d52053a2339c4 ("[PATCH v4 5/5] io_uring: avoid uring_lock for IORING_SETUP_SINGLE_ISSUER") url: https://github.com/intel-lab-lkp/linux/commits/Caleb-Sander-Mateos/io_uring-use-release-acquire-ordering-for-IORING_SETUP_R_DISABLED/20251203-004502 base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/all/20251202164121.3612929-6-csander@purestorage.com/ patch subject: [PATCH v4 5/5] io_uring: avoid uring_lock for IORING_SETUP_SINGLE_ISSUER in testcase: trinity version: with following parameters: runtime: 300s group: group-00 nr_groups: 5 config: x86_64-randconfig-015-20251205 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) 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/202512101405.a7a2bdb2-lkp@intel.com [ 617.261968][ T3783] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000f3: 0000 [#1] KASAN [ 617.267361][ T3783] KASAN: null-ptr-deref in range [0x0000000000000798-0x000000000000079f] [ 617.268334][ T3783] CPU: 0 UID: 65534 PID: 3783 Comm: trinity-c0 Not tainted 6.18.0-rc6-00312-ga924e7ffd1b0 #1 PREEMPT(lazy) f22e3d733e0666690a06b271bf82578b56b40aa3 [ 617.269927][ T3783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 617.271108][ T3783] RIP: 0010:task_work_add (kbuild/src/consumer/kernel/task_work.c:68 (discriminator 2)) [ 617.271772][ T3783] Code: 39 25 df fe 67 03 0f 85 8c 01 00 00 e8 1c bd 24 00 4d 8d ac 24 98 07 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 2f 02 00 00 49 89 df 48 8d 44 24 38 4d 8b b4 24 All code ======== 0: 39 25 df fe 67 03 cmp %esp,0x367fedf(%rip) # 0x367fee5 6: 0f 85 8c 01 00 00 jne 0x198 c: e8 1c bd 24 00 call 0x24bd2d 11: 4d 8d ac 24 98 07 00 lea 0x798(%r12),%r13 18: 00 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 ea mov %r13,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx 2a:* 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 2f 02 00 00 jne 0x263 34: 49 89 df mov %rbx,%r15 37: 48 8d 44 24 38 lea 0x38(%rsp),%rax 3c: 4d rex.WRB 3d: 8b .byte 0x8b 3e: b4 24 mov $0x24,%ah Code starting with the faulting instruction =========================================== 0: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 4: 0f 85 2f 02 00 00 jne 0x239 a: 49 89 df mov %rbx,%r15 d: 48 8d 44 24 38 lea 0x38(%rsp),%rax 12: 4d rex.WRB 13: 8b .byte 0x8b 14: b4 24 mov $0x24,%ah [ 617.273774][ T3783] RSP: 0018:ffff88816ac9fb10 EFLAGS: 00010206 [ 617.274486][ T3783] RAX: dffffc0000000000 RBX: ffff88816ac9fbe0 RCX: 0000000000000000 [ 617.275413][ T3783] RDX: 00000000000000f3 RSI: 0000000000000000 RDI: 0000000000000000 [ 617.276336][ T3783] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 617.277257][ T3783] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 617.278178][ T3783] R13: 0000000000000798 R14: 1ffff1102d593f65 R15: ffff88816ac9fcf0 [ 617.279075][ T3783] FS: 00000000010a2880(0000) GS:0000000000000000(0000) knlGS:0000000000000000 [ 617.280114][ T3783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 617.280856][ T3783] CR2: 00000000d684d000 CR3: 000000015f35b000 CR4: 00000000000406f0 [ 617.281749][ T3783] Call Trace: [ 617.282202][ T3783] [ 617.282613][ T3783] ? lockdep_init_map_type (kbuild/src/consumer/kernel/locking/lockdep.c:4973 (discriminator 1)) [ 617.283274][ T3783] ? task_work_set_notify_irq (kbuild/src/consumer/kernel/task_work.c:56) [ 617.283904][ T3783] ? lockdep_init_map_type (kbuild/src/consumer/kernel/locking/lockdep.c:4973 (discriminator 1)) [ 617.284515][ T3783] ? __init_swait_queue_head (kbuild/src/consumer/include/linux/list.h:45 (discriminator 2) kbuild/src/consumer/kernel/sched/swait.c:12 (discriminator 2)) The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20251210/202512101405.a7a2bdb2-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki