From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 AF5FC14EC67 for ; Mon, 25 Mar 2024 06:00:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.12 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711346424; cv=fail; b=Ev61KZkRb7jg6CsDGqXWLdeQxAyMoqyb9G6Q5HIGOo7eP0BwpWAs8pJV1s4xgF9kYVf4cWsKtxkNsnFeUDwZgV8AKsEF1E1brnTohL/N07x2lBveW1QNxsCr7MQ2hoeV35frVqtATjIFdb/KjsnjKGN2iPliLBybtSJCPqHuJ/k= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711346424; c=relaxed/simple; bh=Muh7CMmlISBF+FNe9IK3v49u30+ZcKcUbaIb1A+jnXo=; h=Date:From:To:CC:Subject:Message-ID:Content-Type: Content-Disposition:In-Reply-To:MIME-Version; b=QN9dLIDsEisr+hCCS6PxRSRqtW9tadFZhi0g2LeFpnrhsdD18cxYWWYDZcaHCSOCSt+aAVghJg1ES3yb3b3sgQ9uV34soO9lxRdYT0kXEOjjmOLUF/aOsMGJZkQBsPhTVvTLW4c8GR0hiaR+sEW/7RctGK4pg9p52r+zEf+dYKE= 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=dK2GkPk9; arc=fail smtp.client-ip=198.175.65.12 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="dK2GkPk9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1711346422; x=1742882422; h=date:from:to:cc:subject:message-id:in-reply-to: mime-version; bh=Muh7CMmlISBF+FNe9IK3v49u30+ZcKcUbaIb1A+jnXo=; b=dK2GkPk93OAqGsXXdpxoDyWstP2HRrnxf8MhTnFijDkptsStZP2dsw8f MfSqkaqAUF1pgBCrS4c81DQyiTj3pREg86IJMWic+smE3N5SLxEXAVKDN Rsvdx5QFDUt+ET1FPZ9Zg5MrM9hFHXab9o1NnoaU+DIKTLXaQLr8lZxQu ExCl2KEPe5ZShzR9pILGaLQQ6LR+oeMFabhfxkG4rBp8fSWay60sMCqnR PHbPpM3aL5wA6h1dCrMPTkqSFXC5hB+DnqZx1FTd9J/KMWulSKaT8mx9l SmuW+HdmpLodBfsJI9xDP7N8CGG7C/854fcjx7tPpyeE2zIaFEafNuqvA Q==; X-IronPort-AV: E=McAfee;i="6600,9927,11023"; a="17764169" X-IronPort-AV: E=Sophos;i="6.07,152,1708416000"; d="scan'208";a="17764169" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2024 23:00:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.07,152,1708416000"; d="scan'208";a="20188032" Received: from orsmsx602.amr.corp.intel.com ([10.22.229.15]) by orviesa004.jf.intel.com with ESMTP/TLS/AES256-GCM-SHA384; 24 Mar 2024 23:00:20 -0700 Received: from orsmsx611.amr.corp.intel.com (10.22.229.24) 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 15.1.2507.35; Sun, 24 Mar 2024 23:00:20 -0700 Received: from orsmsx610.amr.corp.intel.com (10.22.229.23) by ORSMSX611.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Sun, 24 Mar 2024 23:00:20 -0700 Received: from orsedg603.ED.cps.intel.com (10.7.248.4) 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 15.1.2507.35 via Frontend Transport; Sun, 24 Mar 2024 23:00:20 -0700 Received: from NAM11-DM6-obe.outbound.protection.outlook.com (104.47.57.168) by edgegateway.intel.com (134.134.137.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Sun, 24 Mar 2024 23:00:20 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HkEWE9zwy3a6KNbXmsdRUxjzj2Ukd2lLrs92nuOxr89Ua3YXM9aKHv2D69TOEz/A5vKUz+8IZtYw6iG8md8kuWhdmwzjBwrCcVh0NlYaStGbW4MNAINaRU5oiF/hsNt5/ZOJ6ElCNobquSSlZKNKTd6JkC5sR5y2xMMhI8w8BcyE5LPFDxIk9Yq9aeqFXmWcJZ2/PlggRcok+bkk+/QUvuE3YOG3wiICADdMBT+LEvMOpp3tPyzyX8IrJ4p5Ae5W+xh9FtxxCbfH1vlbwL2brMws0XvYCIAzVoRU0Cosez9HXDlre8FcrgnlG73TCeUmR4A5JUJqmf/C2rLVMs92iQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=yswaOh9jYsUSr7bwen5c5AfFhysW5cZ/wCKXq0R2qsQ=; b=Fpi4/1t3miEOdolEcGMj9V0YGHp3dXPFZ4OVGERnZHm9PNL1CfKw2wlTvXgbF0ZZ/cnA0oRGD/nvXjbsTLfxrrUdsZ+8PbEUnuY9U0qoHAs8iFbv/URi/dth78JSYBE34bf4YU8950IqA3Gw05p/TBcHWTnJ/iFJ4Xc6tBuEntnwpEJLCFpiDuaeoj1u81+m3Nn8KZEgJovHZAdVt+RG/YDPcO/kyQwYWIK3XmjLWfZLnRS+JSjnZhLiAXWWeyDmYho1Ch1ryK5e5fOMWdSK7i9DVCvxmFNd5mDuWR738k3j7r6OClAC2L0sevcVaqvIwIenmg7zpwcK9GdDqaxClA== 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 PH0PR11MB7657.namprd11.prod.outlook.com (2603:10b6:510:26c::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7409.31; Mon, 25 Mar 2024 06:00:18 +0000 Received: from LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::58dd:99ca:74a6:2e3e]) by LV3PR11MB8603.namprd11.prod.outlook.com ([fe80::58dd:99ca:74a6:2e3e%3]) with mapi id 15.20.7409.028; Mon, 25 Mar 2024 06:00:17 +0000 Date: Mon, 25 Mar 2024 14:00:06 +0800 From: kernel test robot To: Ingo Molnar CC: , , Andy Lutomirski , Borislav Petkov , "H. Peter Anvin" , Linus Torvalds , "Oleg Nesterov" , Dave Hansen , Thomas Gleixner , Uros Bizjak , , Andy Lutomirski , Andrew Morton , Dave Hansen , Peter Zijlstra , Subject: Re: [PATCH 1/1] headers/deps: x86/fpu: Make task_struct::thread constant size Message-ID: <202403251006.3568d460-lkp@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20240320131908.2708438-2-mingo@kernel.org> X-ClientProxiedBy: SI2PR01CA0014.apcprd01.prod.exchangelabs.com (2603:1096:4:191::17) To LV3PR11MB8603.namprd11.prod.outlook.com (2603:10b6:408:1b6::9) Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: LV3PR11MB8603:EE_|PH0PR11MB7657:EE_ X-MS-Office365-Filtering-Correlation-Id: dd1ad42c-b562-4342-274a-08dc4c90d8dc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 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:(13230031)(376005)(7416005)(1800799015)(366007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?PP2dy1XzD6gnQBDj/iBppajEKZqZgqIHByTQ0ZtZtnYHlgXewSSAK7TDJcnl?= =?us-ascii?Q?qRgwEtGCm5N7tfcVmQnf+3aDBK2kkvDrNTb1+2euo09aQSGaBPdi4cie6ohi?= =?us-ascii?Q?eqODgGP978lDFJYXwlkgDMQahpP2nzRhOwfOu/aRsGaIbkZLNuj8+RpyfkbC?= =?us-ascii?Q?uW7YNludNjAVWaaJR8PYUnJTPrBqHFquWbOkcil3SnsxJAFPtdn9ZTfy+wb7?= =?us-ascii?Q?HvC8ABtDwkuaCsGE345UQWe9AleWA54cpOhGLzcV5lbxpqX0NKtZlMwC/VlG?= =?us-ascii?Q?RPJIFLm3UoL/fIkSVA4EDNMJN6sV/oMFvtMuD893E4ZA+9Z+0OXWQOoFf+4n?= =?us-ascii?Q?LfhqJwnsRGKX3/WSPX1//kMFLnji++rZmo63nR7AAIJICZylqdoZGtj3WBH7?= =?us-ascii?Q?8kuIHaOKhwai9RnhFclqeD0bDhdgMPuusf//2gL6O8vrEFUQwSexO62iE8nA?= =?us-ascii?Q?N7wWpDhvUj/zE5xtRVkLeQxAOaPZtB3pdfRxl9yiVy9DOo8qDNcHZTo6Plhb?= =?us-ascii?Q?KIHe+/WehtgjP/mcsc2r4Jid2dUSY2MJD6nPYAbG+XmyHOzI+446zFqEpOX2?= =?us-ascii?Q?XCKvE1wghpynI/SNKuJSDztXbujyc/YFtSOKTlNbH/DXnIkzYbFlvS4BoN69?= =?us-ascii?Q?MIrDDn3Dq6uc8fkIZJl3hBlmyWKW8XFCCSw/Mux0Dex3mZpXX+YD+uvRREyS?= =?us-ascii?Q?fqMuScJuT1MdoA4aLb25defb2rHUHtlBnsGImxtQeU+dxA0kdcSDlyFmVzAQ?= =?us-ascii?Q?S449MSRNDfVLVTeDAZokpS6rsXAVDT3NQ4dhSbcSlh2xhTcMyZq3/JAAF5VB?= =?us-ascii?Q?uNQCGJKYzSqgzjncfZuBDH7yE7015vAf4+wtVJ0G6zBlKW5Km60TydcVJBxT?= =?us-ascii?Q?ZF3XNbBft5cNgIRxcUPxhO8cVt4+BO5IvM+cntdGFt5uur/zXzyqh5MOB8df?= =?us-ascii?Q?0PVvD9A2IqFJsXSvnvRer//O9Fp+PYHik7w9Z1g7kOhNUHpXmbOO1bLGdb6D?= =?us-ascii?Q?xre/it5WRUL8SlsseP06IymgFOaHQ1d74qYXRphV4XJSa8DvmG38MEPineZe?= =?us-ascii?Q?DwT1Ua6oc2W/HT80G5n35WWKMN3Y4uca8sKQ2+7PmR82UjQKoVA4TN5VAbos?= =?us-ascii?Q?/i9zGw1zk6S5VXp0iyie6SyLklZCSU2HOa/+TFJGRH+tZbZLXnqiUlsQyqzD?= =?us-ascii?Q?yEOth7fYuW7HFGG4cmIe8D+JvNPzmINAKw0RP7cvhQQLJ8Xt4grDkgnN6rOb?= =?us-ascii?Q?PYB8Tp3TjhBzvRL9uZaICPopgvvqKuFWhQpMhqrnJ8ektPUVG4qXQJVxc3d5?= =?us-ascii?Q?hUfaYuI7yKNX4T8x7SHoi+wY7a0o6Y/oMI5CfgF1YjfcMQ2nsjP+05i1T4hw?= =?us-ascii?Q?A8lsvxYAfhscDUxeNh4PGwnkO5cXITgcNSiVjbqQRvCRoX7JYlH3dBcZDjXe?= =?us-ascii?Q?58t+boI2HacZCLYqdhqzGdjzyEI1dT2I/E8QW4RydsgA14fh66jNFf49Yau+?= =?us-ascii?Q?KPd2Z0CH50kK6H8xYoRDGY8jokkxqddB4rkvNMuYbb1JFiRMuKNwaolmL6JP?= =?us-ascii?Q?E+fwObz0o2ginZfXk0gC/rjqHm35rhtz/ZOGeZ1QU5npzt3YN9c8icSDdpgW?= =?us-ascii?Q?SA=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: dd1ad42c-b562-4342-274a-08dc4c90d8dc X-MS-Exchange-CrossTenant-AuthSource: LV3PR11MB8603.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2024 06:00:17.8583 (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: UbTH6KHdqciGtbgP6JbvWw+KJJuoBSLux6+lPTMEtbj5sfd7qvExfK5wTjWnIYqHATW6Be0jPcnpfDDeH2Y3vQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR11MB7657 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_arch/x86/mm/extable.c:#fixup_exception" on: commit: 9738bc8321cc5abbab8676f6c1eb1b8c7c3d172d ("[PATCH 1/1] headers/deps: x86/fpu: Make task_struct::thread constant size") url: https://github.com/intel-lab-lkp/linux/commits/Ingo-Molnar/headers-deps-x86-fpu-Make-task_struct-thread-constant-size/20240320-212236 base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 35ce64922c8263448e58a2b9e8d15a64e11e9b2d patch link: https://lore.kernel.org/all/20240320131908.2708438-2-mingo@kernel.org/ patch subject: [PATCH 1/1] headers/deps: x86/fpu: Make task_struct::thread constant size in testcase: boot compiler: gcc-12 test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G (please refer to attached dmesg/kmsg for entire log/backtrace) +---------------------------------------------------------------------------+------------+------------+ | | 35ce64922c | 9738bc8321 | +---------------------------------------------------------------------------+------------+------------+ | WARNING:at_arch/x86/mm/extable.c:#fixup_exception | 0 | 17 | | EIP:fixup_exception | 0 | 17 | | EIP:restore_fpregs_from_fpstate | 0 | 17 | | WARNING:at_arch/x86/kernel/fpu/xstate.h:#os_xsave | 0 | 17 | | EIP:os_xsave | 0 | 17 | | kernel_BUG_at_mm/usercopy.c | 0 | 17 | | invalid_opcode:#[##] | 0 | 17 | | EIP:usercopy_abort | 0 | 17 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 17 | +---------------------------------------------------------------------------+------------+------------+ 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/202403251006.3568d460-lkp@intel.com [ 7.844011][ T58] ------------[ cut here ]------------ [ 7.844665][ T58] Bad FPU state detected at restore_fpregs_from_fpstate+0x3d/0x88, reinitializing FPU registers. [ 7.844686][ T58] WARNING: CPU: 0 PID: 58 at arch/x86/mm/extable.c:126 fixup_exception (arch/x86/mm/extable.c:126 arch/x86/mm/extable.c:275) [ 7.846556][ T58] Modules linked in: [ 7.846556][ T58] CPU: 0 PID: 58 Comm: modprobe Tainted: G W 6.8.0-rc4-00056-g9738bc8321cc #1 [ 7.846556][ T58] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 7.846556][ T58] EIP: fixup_exception (arch/x86/mm/extable.c:126 arch/x86/mm/extable.c:275) [ 7.846556][ T58] Code: 88 0d a4 50 22 ce e8 9b 07 01 00 0f 0b e9 a8 fe ff ff 89 44 24 04 b2 01 c7 04 24 68 29 a9 cd 88 15 a6 50 22 ce e8 7c 07 01 00 <0f> 0b e9 c0 fe ff ff 0f 0b ba 88 f8 38 ce e9 e9 fe ff ff 8d 74 26 All code ======== 0: 88 0d a4 50 22 ce mov %cl,-0x31ddaf5c(%rip) # 0xffffffffce2250aa 6: e8 9b 07 01 00 call 0x107a6 b: 0f 0b ud2 d: e9 a8 fe ff ff jmp 0xfffffffffffffeba 12: 89 44 24 04 mov %eax,0x4(%rsp) 16: b2 01 mov $0x1,%dl 18: c7 04 24 68 29 a9 cd movl $0xcda92968,(%rsp) 1f: 88 15 a6 50 22 ce mov %dl,-0x31ddaf5a(%rip) # 0xffffffffce2250cb 25: e8 7c 07 01 00 call 0x107a6 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 c0 fe ff ff jmp 0xfffffffffffffef1 31: 0f 0b ud2 33: ba 88 f8 38 ce mov $0xce38f888,%edx 38: e9 e9 fe ff ff jmp 0xffffffffffffff26 3d: 8d .byte 0x8d 3e: 74 26 je 0x66 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 c0 fe ff ff jmp 0xfffffffffffffec7 7: 0f 0b ud2 9: ba 88 f8 38 ce mov $0xce38f888,%edx e: e9 e9 fe ff ff jmp 0xfffffffffffffefc 13: 8d .byte 0x8d 14: 74 26 je 0x3c [ 7.846556][ T58] EAX: 00000000 EBX: cdc38510 ECX: 00000000 EDX: 00000000 [ 7.846556][ T58] ESI: ea1abef0 EDI: 0000000d EBP: ea1abe5c ESP: ea1abde0 [ 7.846556][ T58] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010046 [ 7.846556][ T58] CR0: 80050033 CR2: bfda18db CR3: 29d1d000 CR4: 00040690 [ 7.846556][ T58] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 7.846556][ T58] DR6: fffe0ff0 DR7: 00000400 [ 7.846556][ T58] Call Trace: [ 7.846556][ T58] ? show_regs (arch/x86/kernel/dumpstack.c:479) [ 7.846556][ T58] ? fixup_exception (arch/x86/mm/extable.c:126 arch/x86/mm/extable.c:275) [ 7.846556][ T58] ? __warn (kernel/panic.c:677) [ 7.846556][ T58] ? fixup_exception (arch/x86/mm/extable.c:126 arch/x86/mm/extable.c:275) [ 7.846556][ T58] ? report_bug (lib/bug.c:180 lib/bug.c:219) [ 7.846556][ T58] ? exc_overflow (arch/x86/kernel/traps.c:251) [ 7.846556][ T58] ? handle_bug (arch/x86/kernel/traps.c:238) [ 7.846556][ T58] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 7.846556][ T58] ? handle_exception (arch/x86/entry/entry_32.S:1049) [ 7.846556][ T58] ? rt_mutex_debug_task_free (kernel/locking/rtmutex_api.c:487 (discriminator 11)) [ 7.846556][ T58] ? set_memory_global (arch/x86/mm/pat/set_memory.c:2298) [ 7.846556][ T58] ? exc_overflow (arch/x86/kernel/traps.c:251) [ 7.846556][ T58] ? fixup_exception (arch/x86/mm/extable.c:126 arch/x86/mm/extable.c:275) [ 7.846556][ T58] ? set_memory_global (arch/x86/mm/pat/set_memory.c:2298) [ 7.846556][ T58] ? exc_overflow (arch/x86/kernel/traps.c:251) [ 7.846556][ T58] ? fixup_exception (arch/x86/mm/extable.c:126 arch/x86/mm/extable.c:275) [ 7.846556][ T58] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/core.c:188) [ 7.846556][ T58] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 7.846556][ T58] ? __delete_object (mm/kmemleak.c:798 (discriminator 3)) [ 7.846556][ T58] ? kvm_sched_clock_read (arch/x86/kernel/kvmclock.c:91) [ 7.846556][ T58] ? sched_clock_noinstr (arch/x86/kernel/tsc.c:267) [ 7.846556][ T58] ? local_clock_noinstr (kernel/sched/clock.c:282 kernel/sched/clock.c:306) [ 7.846556][ T58] ? exc_bounds (arch/x86/kernel/traps.c:643) [ 7.846556][ T58] exc_general_protection (arch/x86/kernel/traps.c:617 arch/x86/kernel/traps.c:677 arch/x86/kernel/traps.c:643) [ 7.846556][ T58] ? __delete_object (mm/kmemleak.c:798 (discriminator 3)) [ 7.846556][ T58] ? exc_bounds (arch/x86/kernel/traps.c:643) [ 7.846556][ T58] handle_exception (arch/x86/entry/entry_32.S:1049) [ 7.846556][ T58] EIP: restore_fpregs_from_fpstate (arch/x86/kernel/fpu/core.c:188) [ 7.846556][ T58] Code: eb 0a cc cc cc db e2 0f 77 db 45 f4 3e 8d 74 26 00 8b 3d ec f1 bc cd 8b 4d f4 8b 1d e8 f1 bc cd 21 fa 8d 79 40 21 d8 0f ae 2f <8b> 5d f8 8b 7d fc 89 ec 5d 31 c0 31 d2 31 c9 c3 8d 76 00 3e 8d 74 All code ======== 0: eb 0a jmp 0xc 2: cc int3 3: cc int3 4: cc int3 5: db e2 fnclex 7: 0f 77 emms 9: db 45 f4 fildl -0xc(%rbp) c: 3e 8d 74 26 00 ds lea 0x0(%rsi,%riz,1),%esi 11: 8b 3d ec f1 bc cd mov -0x32430e14(%rip),%edi # 0xffffffffcdbcf203 17: 8b 4d f4 mov -0xc(%rbp),%ecx 1a: 8b 1d e8 f1 bc cd mov -0x32430e18(%rip),%ebx # 0xffffffffcdbcf208 20: 21 fa and %edi,%edx 22: 8d 79 40 lea 0x40(%rcx),%edi 25: 21 d8 and %ebx,%eax 27: 0f ae 2f xrstor (%rdi) 2a:* 8b 5d f8 mov -0x8(%rbp),%ebx <-- trapping instruction 2d: 8b 7d fc mov -0x4(%rbp),%edi 30: 89 ec mov %ebp,%esp 32: 5d pop %rbp 33: 31 c0 xor %eax,%eax 35: 31 d2 xor %edx,%edx 37: 31 c9 xor %ecx,%ecx 39: c3 ret 3a: 8d 76 00 lea 0x0(%rsi),%esi 3d: 3e ds 3e: 8d .byte 0x8d 3f: 74 .byte 0x74 Code starting with the faulting instruction =========================================== 0: 8b 5d f8 mov -0x8(%rbp),%ebx 3: 8b 7d fc mov -0x4(%rbp),%edi 6: 89 ec mov %ebp,%esp 8: 5d pop %rbp 9: 31 c0 xor %eax,%eax b: 31 d2 xor %edx,%edx d: 31 c9 xor %ecx,%ecx f: c3 ret 10: 8d 76 00 lea 0x0(%rsi),%esi 13: 3e ds 14: 8d .byte 0x8d 15: 74 .byte 0x74 [ 7.846556][ T58] EAX: 00000007 EBX: 00000007 ECX: c2d836e0 EDX: 00000000 [ 7.846556][ T58] ESI: c2d836a0 EDI: c2d83720 EBP: ea1abf58 ESP: ea1abf4c [ 7.846556][ T58] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010002 [ 7.846556][ T58] ? exc_bounds (arch/x86/kernel/traps.c:643) [ 7.846556][ T58] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/core.c:179 arch/x86/kernel/fpu/core.c:181) [ 7.846556][ T58] switch_fpu_return (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/jump_label.h:260 include/linux/jump_label.h:270 arch/x86/include/asm/trace/fpu.h:57 arch/x86/kernel/fpu/context.h:50 arch/x86/kernel/fpu/context.h:76 arch/x86/kernel/fpu/core.c:788) [ 7.846556][ T58] syscall_exit_to_user_mode (arch/x86/include/asm/entry-common.h:58 include/linux/entry-common.h:330 kernel/entry/common.c:201 kernel/entry/common.c:212) [ 7.846556][ T58] ? call_usermodehelper_exec_async (kernel/umh.c:114) [ 7.846556][ T58] ? call_usermodehelper (kernel/umh.c:65) [ 7.846556][ T58] ret_from_fork (arch/x86/kernel/process.c:157) [ 7.846556][ T58] ? call_usermodehelper (kernel/umh.c:65) [ 7.846556][ T58] ret_from_fork_asm (arch/x86/entry/entry_32.S:741) [ 7.846556][ T58] entry_INT80_32 (arch/x86/entry/entry_32.S:947) [ 7.846556][ T58] EIP: 0xb7ee70b0 [ 7.846556][ T58] Code: Unable to access opcode bytes at 0xb7ee7086. Code starting with the faulting instruction =========================================== The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20240325/202403251006.3568d460-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki