From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (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 664B3379C45 for ; Thu, 21 May 2026 07:54:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.17 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779350066; cv=fail; b=OwJ2hXmTAjYiwqu5k5ldrp7eH1KdB2JL2UniTSYlcu/6NzwuiW8zFJQUZzhd7jD7LHKdN7wjggDj3lYR5Z6cikuu7z4jo/j7cg2WSAudQD3QJlGQt7lGD+x3v9GYhSGkTyqVNFZqnnYzet9kzAb1ZSv6qNclHP5DVH08SpLzKdg= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779350066; c=relaxed/simple; bh=0MHOSe7S0Scg1xO04VNklEYFhRVGehleoxLF24+4dWk=; h=Date:From:To:CC:Subject:Message-ID:Content-Type: Content-Disposition:MIME-Version; b=Ec42ejNYSKbuwgaMoSkF9cRgOWOSojMIK7a14fpx8htAqFHIbsZwAjqGwO2MeSCSXb3CWJO9OG4VNjfcP6v4aWfJVO78i5KIgPPzGHM6gMjcaZRDOazwW9ivAiq+zbZlu2Wde+KkN0WO9Z6X8rS8UOGyUHzKpfZ6Rk9LxFUo/Nc= 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=BubYaB2G; arc=fail smtp.client-ip=198.175.65.17 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="BubYaB2G" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779350063; x=1810886063; h=date:from:to:cc:subject:message-id:mime-version; bh=0MHOSe7S0Scg1xO04VNklEYFhRVGehleoxLF24+4dWk=; b=BubYaB2GMgwQZ5YonDKQpTz6jOaSLMI/6eNFIVOpl7JDt2ltp/Y7jMeg huQK4F9rtAbbF07gFCHR8IvQfLbs6Rj+zA5aieGiRl0Rb2yUTKI/ZJT2s W3gyANRIqUnFEdLoJo1y0pMqdG9apH1Na19kKCeHsVn8YijKUeXxv3png KSqAchGKZLGyIze1nFJPeKlMbgKRb2t83KB4FF0IJrxSX4Dn5sEPXmfuw ggePEPkxkPM2ckFj+hPdi9jDu3njAZR8DfhH6DKlPK4KENrrsh4wnPEQS MPzuyeZDuMZHJ2SmiGY2Tew+HDODLJJqYtWanVY/TkHOD1CAT75Pbz/rc A==; X-CSE-ConnectionGUID: F0UEJSKrTi6JuzNAPYEQvA== X-CSE-MsgGUID: 9ogVHcCIS12Tp02tUk7JgA== X-IronPort-AV: E=McAfee;i="6800,10657,11792"; a="80244812" X-IronPort-AV: E=Sophos;i="6.23,245,1770624000"; d="scan'208";a="80244812" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2026 00:54:23 -0700 X-CSE-ConnectionGUID: mIrgVBf8S3ivNOpH1osVZA== X-CSE-MsgGUID: zffrLt2DRhupzdyJrzEYpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,245,1770624000"; d="scan'208";a="242258564" Received: from orsmsx902.amr.corp.intel.com ([10.22.229.24]) by fmviesa004.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2026 00:54:22 -0700 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Thu, 21 May 2026 00:54:22 -0700 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 15.2.2562.37 via Frontend Transport; Thu, 21 May 2026 00:54:22 -0700 Received: from CH4PR04CU002.outbound.protection.outlook.com (40.107.201.66) 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 15.2.2562.37; Thu, 21 May 2026 00:54:20 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=CAyxHPhpc8LSleQy1o9IcSHO09qF/wbqRxFp76N3PEaZUCkLyfhERm70M9mS/QPrzCjDcWpExH5G4aappYSGJ0KKuSQHx6LVkGCGcP70QuY4tVvA7/Vd6sOCDnCgMRt6+8aeBpFFkNo/gUglrO1dKcjp6E7nPtoCKbPROD8jUq1HetwIoT2vR4mszlYR8qm+ZwcbebKr/XtCWKoSRcXTG8abpGZAZyjtpm37luKcHuvV447VAcNf0RULxd74rHXmx20VZFzkplwQkZg6BItV6VT2+r/t1Xl8F7mA1fEZMle/yczdy45J7eRl6iNrCSp2vdglOmjKy1klkWi+3nforQ== 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=SNhTifyZLhvlck5iWv+9fk40xnwqB87Oo4v/pLpTCiI=; b=CXPIipRgaQApC3N7EiDqDSUgoL1zYIUdvubS7rX8llbJT2qdRPhziha+EM9a+5sFo6OiuRyVclK0cihKc6ZuQIRb7qGe/55+X1iodwRZ8B8apR76NnuqWwvSu9PV6TOhawV4PRj+zyz3cvpcmIKgY9nJwmKUeYzvAqNLW/yiZSHdmTwDGSO1ppocBoSEGrP02oy2RQqmhGh16GS7uKCQ07MPNxAzEgzQtFhQY1SpjajcpYciB3/LnXR0mkNdclizFCt94b2VjRjPCxuyNbmbtBJlIc1JelXaNl7oD1+IszyJ9sHWAS9EbCIt9nO0lQAj34uPQNYpGeL50sw4jVNM9g== 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 PH0PR11MB5832.namprd11.prod.outlook.com (2603:10b6:510:141::7) by DM3PPFF2E67D388.namprd11.prod.outlook.com (2603:10b6:f:fc00::f60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.48.16; Thu, 21 May 2026 07:54:12 +0000 Received: from PH0PR11MB5832.namprd11.prod.outlook.com ([fe80::106e:78dd:4c96:d707]) by PH0PR11MB5832.namprd11.prod.outlook.com ([fe80::106e:78dd:4c96:d707%3]) with mapi id 15.21.0025.020; Thu, 21 May 2026 07:54:11 +0000 Date: Thu, 21 May 2026 15:54:05 +0800 From: kernel test robot To: "Paul E. McKenney" CC: , , , , Subject: [paulmckrcu:dev.2026.05.07a] [rcutorture] c2e6a63ac1: RIP:rcu_torture_irq[rcutorture] Message-ID: <202605211529.6ba1b4ff-lkp@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline User-Agent: s-nail v14.9.25 X-ClientProxiedBy: TPYP295CA0039.TWNP295.PROD.OUTLOOK.COM (2603:1096:7d0:7::10) To PH0PR11MB5832.namprd11.prod.outlook.com (2603:10b6:510:141::7) 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: PH0PR11MB5832:EE_|DM3PPFF2E67D388:EE_ X-MS-Office365-Filtering-Correlation-Id: 29f59b81-b14b-472e-dde0-08deb70e2547 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024|56012099003|3023799007|18002099003|11063799006; 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:PH0PR11MB5832.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(376014)(366016)(1800799024)(56012099003)(3023799007)(18002099003)(11063799006);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?5Yyw0TFpLgC189Ph0gco6plcJcZASFQcyxE07eOKAWO8Zdct4B96oujDRWT0?= =?us-ascii?Q?05iz4j588fUbm6vKvwHtZd3hw/UE8TNYLB3JLTK3mjbEDOq7jLhaPIcLMqdo?= =?us-ascii?Q?Cup9++y5g3xhpIOdGpQgpKVE05L5vdG9cZlvNQT9fjdxoobUbFj+boQOJ6xT?= =?us-ascii?Q?o3PbSXM97HWiHXt4qSUF+CcuZoI7k9Xns4UnDSe9H9fTk0ijZOZ7ROclQ6oC?= =?us-ascii?Q?qInDfw6dddUmXbyRb0m/3Jw72Ea47yEtC1exH8r2HWfKSiZu4I1/sKGc+bkO?= =?us-ascii?Q?UfS2ZyCVowXGPjs9OMwRrhgrhY3LGop39abC4TSf4GDzv9gzXZzhIRnhDzX+?= =?us-ascii?Q?5W9J7vWqnbnEH1XjiHByQoDQ9/hH47F5S6B27++MO3GYvzrsdpqLAVLdseH0?= =?us-ascii?Q?viM0AVdOhWFmaJfC7gnKw2AcczwaTScPCQ21CRkmrUzZRs3VBxR57+sRXg7t?= =?us-ascii?Q?zY+3YlzojjfQvNcKA3urNULPSTYjyy66CXTCJCDBhc9/TyjdynqKK5wJx0xq?= =?us-ascii?Q?FCNwxUoYLhIfaWL898O1ASWE4apLA80L0cWzRi58FKeDkqBHzeOMUxG+0ct1?= =?us-ascii?Q?nqjSUeEYI8m6znMkw8qhhi1qpJJ6hg8l/OK/mQZbZwV/s43zZEEiERzF7x9K?= =?us-ascii?Q?y/tkYOiyJOqBSVZwPSwCJtkKJOFPAP0rNCfPwfAdpcM+QyQuorfRy1ierYK3?= =?us-ascii?Q?xUq6pZ72rwcpJqws+ldx7ikpS5YSy2bnNKo/ZI46jgpljUKW6+1wUq31R/YU?= =?us-ascii?Q?CXrV0x0vXYS9a+das05itlggmvFJvmDpLXooLLPKqdvOIi2STJdk3iLKRNnS?= =?us-ascii?Q?C10qQDMPy9sJ3dGmTapwVganrmhd0l8ms3rMtFUEGdOKO1DA/Ew1t2uxVmI4?= =?us-ascii?Q?jTnS+bMT3F75PCOVLVEW8tX+gNZroXOCLWiTdKH/vv4Lh8V/le15JMFdG4Vz?= =?us-ascii?Q?yfQMfbuhdY8yhj1k7TM93luMLjCCrj6z6rYi0H98x6Dp196ELwPGJNjHBT2+?= =?us-ascii?Q?xkS8JHaewoj4VEY2+3UBQ9LSmhas+bt33VSMKKLi4uccMz5Xr6fT7NFBLVAs?= =?us-ascii?Q?aTciK25NmYRz7g1Fo7zCL4av5Eh2SkudI2en5OplcXSNluwsDxWJ2+IYJYrD?= =?us-ascii?Q?G03l2qXu6sgosu2zQQVBU9zBmwr5XF9YzT5LnDv7z16sPscXH3fBzNSYG5k1?= =?us-ascii?Q?ka6LreUIPVL2DmfuoyF7wchpoJwA8OWyX4SoBxBCfwVsCkCLQUc2jcsZx+ft?= =?us-ascii?Q?aXTBmjhdP9fvj776ROp19LePg6TA84CLjPU//JbqWSKDmLCa20Vta02k4fej?= =?us-ascii?Q?kxtQsoBh4FJvbDMYG464DdY7Uyi+Yutpv0HqKOgPb5p6RtR82M/xsvldolP6?= =?us-ascii?Q?Rkj6m+KfRsK9dOQOQtt2LKWusq3tkmOFj4m9kqcRCY172rT92E0jiY+tjfxj?= =?us-ascii?Q?YYtJaDuSnofLGSmOx//ACR2MM7ufT6M1pm4ji0qPjUNPaO4ZG5LSaPgD+MJJ?= =?us-ascii?Q?xihFdf81X2q/wfB0YBUKT5NebmlmD+RhKhO4A6CXSETfbPuf0z7yuN0ioh7u?= =?us-ascii?Q?afKXcBEv6ao52107BIGD8OY3/30K5I7BzsL38MCcY0ZAsrsWo61LbBcdoz1W?= =?us-ascii?Q?gLqVWaP2Sm7WAP9a0nJGym4dx5O5nGTI/ivJYGArRKOKxsVRwfzq0gYWezV8?= =?us-ascii?Q?bu9JV0Z5RkJITa1Hff76VOsQt/VjMiJwylARdIB+Itz38rfn83n+v0y6Ik76?= =?us-ascii?Q?sCppTiFVug=3D=3D?= X-Exchange-RoutingPolicyChecked: tODyluBTa9cqip0zV0PjECKIKncjZJtMZxG7IQPlumGaGCi9TYzIkJJ9/odapnpFAezCwGcVNhYzV1AfrGDMJ0vgJuo3tB8+0lg/M8m7H3fVXsotuFKhkBAWR5NjkpwBX5O0+Z/8pdTc9u8XSgAMiWNZ4uLo/DlnB93L4tTTlJPBa0YAKWhGM9LvGG4J+oXYXu0l2PZO3Dh5hNLzPLpUORnY3XBohnVlR4pEnRNGynmferwcmk5B/Klw/op7m0bEnV1B2MzCwHJk2NW6wFakXeTJrZsjKD0aPno4XJVJlyl1LH9X3fppmbYrUVCxI7JZyjll3EtdsJeXFLHv8liuTQ== X-MS-Exchange-CrossTenant-Network-Message-Id: 29f59b81-b14b-472e-dde0-08deb70e2547 X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB5832.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 May 2026 07:54:11.7542 (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: cC94XvvRJ7VXYjhqd9RgafL+hrPUz18MfkQ0eorc/f/QiqlOHboZWp4swA8xr2ky7JOiBCDONtQW2swJYqUbRQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PPFF2E67D388 X-OriginatorOrg: intel.com hi, Paul, below report is just FYI. if the issue is soloved on newer branched, please just ignore. thanks Hello, kernel test robot noticed "RIP:rcu_torture_irq[rcutorture]" on: commit: c2e6a63ac168107454d5fe595c1213e5760d642f ("rcutorture: Test RCU readers from hardware interrupt handlers") https://github.com/paulmckrcu/linux dev.2026.05.07a in testcase: ltp version: with following parameters: test: kernel_misc config: x86_64-rhel-9.4-ltp compiler: gcc-14 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz (Haswell) with 16G memory (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/202605211529.6ba1b4ff-lkp@intel.com kern :warn : [ 434.509085] [ T5907] ------------[ cut here ]------------ kern :warn : [ 434.509089] [ T5907] WARNING: kernel/rcu/rcutorture.c:2653 at rcu_torture_irq+0x119/0x170 [rcutorture], CPU#2: rcu_torture_rea/5907 kern :warn : [ 434.509137] [ T5907] Modules linked in: rcutorture(+) torture netconsole binfmt_misc snd_hda_codec_intelhdmi snd_hda_codec_hdmi btrfs libblake2b zstd_compress raid6_pq intel_rapl_msr intel_rapl_common xor snd_hda_codec_alc882 x86_pkg_temp_thermal snd_hda_codec_realtek_lib i915 snd_hda_codec_generic intel_powerclamp sd_mod coretemp snd_hda_intel intel_gtt drm_buddy sg snd_hda_codec ttm kvm_intel snd_soc_rt5640 drm_display_helper snd_soc_rl6231 snd_hda_core regmap_i2c kvm snd_intel_dspcfg cec snd_soc_core snd_intel_sdw_acpi drm_client_lib snd_hwdep snd_compress irqbypass drm_kms_helper rapl mxm_wmi ahci snd_pcm libahci alx video intel_cstate intel_uncore pcspkr mei_me i2c_i801 libata mdio snd_timer mei i2c_smbus lpc_ich snd wmi soundcore acpi_pad joydev drm fuse nfnetlink [last unloaded: ltp_uaccess(OE)] kern :warn : [ 434.509249] [ T5907] CPU: 2 UID: 0 PID: 5907 Comm: rcu_torture_rea Tainted: G S W OE 7.1.0-rc1+ #1 PREEMPT(lazy) kern :warn : [ 434.509265] [ T5907] Tainted: [S]=CPU_OUT_OF_SPEC, [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE kern :warn : [ 434.509267] [ T5907] Hardware name: Gigabyte Technology Co., Ltd. Z97X-UD5H/Z97X-UD5H, BIOS F9 04/21/2015 kern :warn : [ 434.509270] [ T5907] RIP: 0010:rcu_torture_irq (rcu/rcutorture.c:2654 (discriminator 1)) rcutorture kern :warn : [ 434.509287] [ T5907] Code: 93 20 01 00 00 48 83 c4 08 48 c7 c6 10 bb 19 c1 48 89 c7 5b e9 68 14 f7 c2 48 83 c4 08 5b c3 cc cc cc cc 0f 0b e9 0e ff ff ff <0f> 0b e9 fc fe ff ff e8 5b 00 da c0 e9 5a ff ff ff 48 89 04 24 e8 All code ======== 0: 93 xchg %eax,%ebx 1: 20 01 and %al,(%rcx) 3: 00 00 add %al,(%rax) 5: 48 83 c4 08 add $0x8,%rsp 9: 48 c7 c6 10 bb 19 c1 mov $0xffffffffc119bb10,%rsi 10: 48 89 c7 mov %rax,%rdi 13: 5b pop %rbx 14: e9 68 14 f7 c2 jmp 0xffffffffc2f71481 19: 48 83 c4 08 add $0x8,%rsp 1d: 5b pop %rbx 1e: c3 ret 1f: cc int3 20: cc int3 21: cc int3 22: cc int3 23: 0f 0b ud2 25: e9 0e ff ff ff jmp 0xffffffffffffff38 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 fc fe ff ff jmp 0xffffffffffffff2d 31: e8 5b 00 da c0 call 0xffffffffc0da0091 36: e9 5a ff ff ff jmp 0xffffffffffffff95 3b: 48 89 04 24 mov %rax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 fc fe ff ff jmp 0xffffffffffffff03 7: e8 5b 00 da c0 call 0xffffffffc0da0067 c: e9 5a ff ff ff jmp 0xffffffffffffff6b 11: 48 89 04 24 mov %rax,(%rsp) 15: e8 .byte 0xe8 kern :warn : [ 434.509290] [ T5907] RSP: 0018:ffffc9000261fc10 EFLAGS: 00010046 kern :warn : [ 434.509294] [ T5907] RAX: 0000000080000002 RBX: ffff888396343248 RCX: ffffffff81828b23 kern :warn : [ 434.509297] [ T5907] RDX: 0000000000000000 RSI: ffff888396343240 RDI: 0000000000000000 kern :warn : [ 434.509299] [ T5907] RBP: 0000000000000246 R08: 0000000000000000 R09: fffffbfff0c72894 kern :warn : [ 434.509301] [ T5907] R10: ffffffff863944a7 R11: 0000000000000000 R12: ffffffffc11a3f10 kern :warn : [ 434.509303] [ T5907] R13: 0000000000000000 R14: ffffffffc11a3f10 R15: 0000000000000000 kern :warn : [ 434.509316] [ T5907] FS: 0000000000000000(0000) GS:ffff88840ef63000(0000) knlGS:0000000000000000 kern :warn : [ 434.509318] [ T5907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kern :warn : [ 434.509320] [ T5907] CR2: 000056053f590492 CR3: 000000041c870005 CR4: 00000000001726f0 kern :warn : [ 434.509323] [ T5907] Call Trace: kern :warn : [ 434.509325] [ T5907] kern :warn : [ 434.509327] [ T5907] generic_exec_single (smp.c:136 smp.c:453) kern :warn : [ 434.509332] [ T5907] ? __pfx_rcu_torture_irq (rcu/rcutorture.c:2607) rcutorture kern :warn : [ 434.509360] [ T5907] smp_call_function_single (smp.c:699) kern :warn : [ 434.509364] [ T5907] ? __pfx_smp_call_function_single (smp.c:375 (discriminator 4)) kern :warn : [ 434.509367] [ T5907] ? local_clock_noinstr (sched/clock.c:307) kern :warn : [ 434.509371] [ T5907] rcu_torture_reader (rcu/rcutorture.c:2700) rcutorture kern :warn : [ 434.509398] [ T5907] ? __pfx_rcu_torture_reader (rcu/rcutorture.c:4041) rcutorture kern :warn : [ 434.509412] [ T5907] ? _raw_spin_lock_irqsave (linux/instrumented.h:55 linux/atomic/atomic-instrumented.h:1301 asm-generic/qspinlock.h:111 linux/spinlock.h:187 linux/spinlock_api_smp.h:133 locking/spinlock.c:166) kern :warn : [ 434.509417] [ T5907] ? __pfx_rcu_torture_timer (linux/slab.h:950) rcutorture kern :warn : [ 434.509443] [ T5907] ? __kthread_parkme (linux/instrumented.h:82 asm-generic/bitops/instrumented-non-atomic.h:141 kthread.c:272) kern :warn : [ 434.509448] [ T5907] ? __pfx_rcu_torture_reader (rcu/rcutorture.c:4041) rcutorture kern :warn : [ 434.509465] [ T5907] ? __pfx_rcu_torture_reader (rcu/rcutorture.c:4041) rcutorture kern :warn : [ 434.509490] [ T5907] kthread (kthread.c:436) kern :warn : [ 434.509493] [ T5907] ? recalc_sigpending (linux/instrumented.h:97 asm-generic/bitops/instrumented-atomic.h:41 linux/thread_info.h:109 signal.c:181) kern :warn : [ 434.509495] [ T5907] ? __pfx_kthread (linux/list.h:381 (discriminator 2)) kern :warn : [ 434.509498] [ T5907] ret_from_fork (x86/kernel/process.c:158) kern :warn : [ 434.509502] [ T5907] ? __pfx_ret_from_fork (x86/include/asm/entry-common.h:54) kern :warn : [ 434.509504] [ T5907] ? switch_fpu (linux/instrumented.h:82 asm-generic/bitops/instrumented-non-atomic.h:141 linux/thread_info.h:133 linux/sched.h:2067 x86/include/asm/fpu/sched.h:34) kern :warn : [ 434.509508] [ T5907] ? __switch_to (x86/kernel/process_64.c:403 x86/kernel/process_64.c:663) kern :warn : [ 434.509511] [ T5907] ? __switch_to_asm (x86/entry/entry_64.S:206) kern :warn : [ 434.509515] [ T5907] ? __pfx_kthread (linux/list.h:381 (discriminator 2)) kern :warn : [ 434.509517] [ T5907] ret_from_fork_asm (x86/entry/entry_64.S:245) kern :warn : [ 434.509522] [ T5907] kern :warn : [ 434.509523] [ T5907] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260521/202605211529.6ba1b4ff-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki 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 picard.linux.it (picard.linux.it [213.254.12.146]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C0A29CD4F3C for ; Thu, 21 May 2026 07:54:51 +0000 (UTC) Received: from picard.linux.it (localhost [IPv6:::1]) by picard.linux.it (Postfix) with ESMTP id 2E8223C74E0 for ; Thu, 21 May 2026 09:54:50 +0200 (CEST) Received: from in-2.smtp.seeweb.it (in-2.smtp.seeweb.it [IPv6:2001:4b78:1:20::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by picard.linux.it (Postfix) with ESMTPS id 57B973C051C for ; Thu, 21 May 2026 09:54:29 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by in-2.smtp.seeweb.it (Postfix) with ESMTPS id 2E339600077 for ; Thu, 21 May 2026 09:54:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1779350067; x=1810886067; h=date:from:to:cc:subject:message-id:mime-version; bh=0MHOSe7S0Scg1xO04VNklEYFhRVGehleoxLF24+4dWk=; b=Oi6cEr85mTY2UIrnI1BONmStvMNk6immhOcqjFi31Rhba0hJkiaM0CC6 6fJsTF9vTWjzkefARBzvk8pgCEY2BuXHVfIqyEj7eLyw09BC0TWEvOQLg O0RtDoNSlVOOf+qp8hugRXV/GXPjwdNfaN54M4ikLWCHq5MzuYJMStV77 oMomnK7t2DDCxHJqN/f34ByZLY3f4hwpIs2lG0jxdjNYWzGr4i9Reu/tM qJC9IvnsHtna8GuuK/KlKrzbpY9KHEfJNmc3/xyvRwix6HmQ6ja76Du6c MJx+rCcxumLxWmjnFNeq7sFij415PDOY142pC83InegYBO2jG7LFE+4CS Q==; X-CSE-ConnectionGUID: F7NQsOp4QPKDe9uoYJHbxA== X-CSE-MsgGUID: PqosDDwORgihCi5daMGctQ== X-IronPort-AV: E=McAfee;i="6800,10657,11792"; a="80244811" X-IronPort-AV: E=Sophos;i="6.23,245,1770624000"; d="scan'208";a="80244811" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2026 00:54:23 -0700 X-CSE-ConnectionGUID: mIrgVBf8S3ivNOpH1osVZA== X-CSE-MsgGUID: zffrLt2DRhupzdyJrzEYpA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,245,1770624000"; d="scan'208";a="242258564" Received: from orsmsx902.amr.corp.intel.com ([10.22.229.24]) by fmviesa004.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2026 00:54:22 -0700 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.37; Thu, 21 May 2026 00:54:22 -0700 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 15.2.2562.37 via Frontend Transport; Thu, 21 May 2026 00:54:22 -0700 Received: from CH4PR04CU002.outbound.protection.outlook.com (40.107.201.66) 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 15.2.2562.37; Thu, 21 May 2026 00:54:20 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=CAyxHPhpc8LSleQy1o9IcSHO09qF/wbqRxFp76N3PEaZUCkLyfhERm70M9mS/QPrzCjDcWpExH5G4aappYSGJ0KKuSQHx6LVkGCGcP70QuY4tVvA7/Vd6sOCDnCgMRt6+8aeBpFFkNo/gUglrO1dKcjp6E7nPtoCKbPROD8jUq1HetwIoT2vR4mszlYR8qm+ZwcbebKr/XtCWKoSRcXTG8abpGZAZyjtpm37luKcHuvV447VAcNf0RULxd74rHXmx20VZFzkplwQkZg6BItV6VT2+r/t1Xl8F7mA1fEZMle/yczdy45J7eRl6iNrCSp2vdglOmjKy1klkWi+3nforQ== 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=SNhTifyZLhvlck5iWv+9fk40xnwqB87Oo4v/pLpTCiI=; b=CXPIipRgaQApC3N7EiDqDSUgoL1zYIUdvubS7rX8llbJT2qdRPhziha+EM9a+5sFo6OiuRyVclK0cihKc6ZuQIRb7qGe/55+X1iodwRZ8B8apR76NnuqWwvSu9PV6TOhawV4PRj+zyz3cvpcmIKgY9nJwmKUeYzvAqNLW/yiZSHdmTwDGSO1ppocBoSEGrP02oy2RQqmhGh16GS7uKCQ07MPNxAzEgzQtFhQY1SpjajcpYciB3/LnXR0mkNdclizFCt94b2VjRjPCxuyNbmbtBJlIc1JelXaNl7oD1+IszyJ9sHWAS9EbCIt9nO0lQAj34uPQNYpGeL50sw4jVNM9g== 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 PH0PR11MB5832.namprd11.prod.outlook.com (2603:10b6:510:141::7) by DM3PPFF2E67D388.namprd11.prod.outlook.com (2603:10b6:f:fc00::f60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.48.16; Thu, 21 May 2026 07:54:12 +0000 Received: from PH0PR11MB5832.namprd11.prod.outlook.com ([fe80::106e:78dd:4c96:d707]) by PH0PR11MB5832.namprd11.prod.outlook.com ([fe80::106e:78dd:4c96:d707%3]) with mapi id 15.21.0025.020; Thu, 21 May 2026 07:54:11 +0000 Date: Thu, 21 May 2026 15:54:05 +0800 From: kernel test robot To: "Paul E. McKenney" Message-ID: <202605211529.6ba1b4ff-lkp@intel.com> Content-Disposition: inline User-Agent: s-nail v14.9.25 X-ClientProxiedBy: TPYP295CA0039.TWNP295.PROD.OUTLOOK.COM (2603:1096:7d0:7::10) To PH0PR11MB5832.namprd11.prod.outlook.com (2603:10b6:510:141::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR11MB5832:EE_|DM3PPFF2E67D388:EE_ X-MS-Office365-Filtering-Correlation-Id: 29f59b81-b14b-472e-dde0-08deb70e2547 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|366016|1800799024|56012099003|3023799007|18002099003|11063799006; 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:PH0PR11MB5832.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(366016)(1800799024)(56012099003)(3023799007)(18002099003)(11063799006); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?5Yyw0TFpLgC189Ph0gco6plcJcZASFQcyxE07eOKAWO8Zdct4B96oujDRWT0?= =?us-ascii?Q?05iz4j588fUbm6vKvwHtZd3hw/UE8TNYLB3JLTK3mjbEDOq7jLhaPIcLMqdo?= =?us-ascii?Q?Cup9++y5g3xhpIOdGpQgpKVE05L5vdG9cZlvNQT9fjdxoobUbFj+boQOJ6xT?= =?us-ascii?Q?o3PbSXM97HWiHXt4qSUF+CcuZoI7k9Xns4UnDSe9H9fTk0ijZOZ7ROclQ6oC?= =?us-ascii?Q?qInDfw6dddUmXbyRb0m/3Jw72Ea47yEtC1exH8r2HWfKSiZu4I1/sKGc+bkO?= =?us-ascii?Q?UfS2ZyCVowXGPjs9OMwRrhgrhY3LGop39abC4TSf4GDzv9gzXZzhIRnhDzX+?= =?us-ascii?Q?5W9J7vWqnbnEH1XjiHByQoDQ9/hH47F5S6B27++MO3GYvzrsdpqLAVLdseH0?= =?us-ascii?Q?viM0AVdOhWFmaJfC7gnKw2AcczwaTScPCQ21CRkmrUzZRs3VBxR57+sRXg7t?= =?us-ascii?Q?zY+3YlzojjfQvNcKA3urNULPSTYjyy66CXTCJCDBhc9/TyjdynqKK5wJx0xq?= =?us-ascii?Q?FCNwxUoYLhIfaWL898O1ASWE4apLA80L0cWzRi58FKeDkqBHzeOMUxG+0ct1?= =?us-ascii?Q?nqjSUeEYI8m6znMkw8qhhi1qpJJ6hg8l/OK/mQZbZwV/s43zZEEiERzF7x9K?= =?us-ascii?Q?y/tkYOiyJOqBSVZwPSwCJtkKJOFPAP0rNCfPwfAdpcM+QyQuorfRy1ierYK3?= =?us-ascii?Q?xUq6pZ72rwcpJqws+ldx7ikpS5YSy2bnNKo/ZI46jgpljUKW6+1wUq31R/YU?= =?us-ascii?Q?CXrV0x0vXYS9a+das05itlggmvFJvmDpLXooLLPKqdvOIi2STJdk3iLKRNnS?= =?us-ascii?Q?C10qQDMPy9sJ3dGmTapwVganrmhd0l8ms3rMtFUEGdOKO1DA/Ew1t2uxVmI4?= =?us-ascii?Q?jTnS+bMT3F75PCOVLVEW8tX+gNZroXOCLWiTdKH/vv4Lh8V/le15JMFdG4Vz?= =?us-ascii?Q?yfQMfbuhdY8yhj1k7TM93luMLjCCrj6z6rYi0H98x6Dp196ELwPGJNjHBT2+?= =?us-ascii?Q?xkS8JHaewoj4VEY2+3UBQ9LSmhas+bt33VSMKKLi4uccMz5Xr6fT7NFBLVAs?= =?us-ascii?Q?aTciK25NmYRz7g1Fo7zCL4av5Eh2SkudI2en5OplcXSNluwsDxWJ2+IYJYrD?= =?us-ascii?Q?G03l2qXu6sgosu2zQQVBU9zBmwr5XF9YzT5LnDv7z16sPscXH3fBzNSYG5k1?= =?us-ascii?Q?ka6LreUIPVL2DmfuoyF7wchpoJwA8OWyX4SoBxBCfwVsCkCLQUc2jcsZx+ft?= =?us-ascii?Q?aXTBmjhdP9fvj776ROp19LePg6TA84CLjPU//JbqWSKDmLCa20Vta02k4fej?= =?us-ascii?Q?kxtQsoBh4FJvbDMYG464DdY7Uyi+Yutpv0HqKOgPb5p6RtR82M/xsvldolP6?= =?us-ascii?Q?Rkj6m+KfRsK9dOQOQtt2LKWusq3tkmOFj4m9kqcRCY172rT92E0jiY+tjfxj?= =?us-ascii?Q?YYtJaDuSnofLGSmOx//ACR2MM7ufT6M1pm4ji0qPjUNPaO4ZG5LSaPgD+MJJ?= =?us-ascii?Q?xihFdf81X2q/wfB0YBUKT5NebmlmD+RhKhO4A6CXSETfbPuf0z7yuN0ioh7u?= =?us-ascii?Q?afKXcBEv6ao52107BIGD8OY3/30K5I7BzsL38MCcY0ZAsrsWo61LbBcdoz1W?= =?us-ascii?Q?gLqVWaP2Sm7WAP9a0nJGym4dx5O5nGTI/ivJYGArRKOKxsVRwfzq0gYWezV8?= =?us-ascii?Q?bu9JV0Z5RkJITa1Hff76VOsQt/VjMiJwylARdIB+Itz38rfn83n+v0y6Ik76?= =?us-ascii?Q?sCppTiFVug=3D=3D?= X-Exchange-RoutingPolicyChecked: tODyluBTa9cqip0zV0PjECKIKncjZJtMZxG7IQPlumGaGCi9TYzIkJJ9/odapnpFAezCwGcVNhYzV1AfrGDMJ0vgJuo3tB8+0lg/M8m7H3fVXsotuFKhkBAWR5NjkpwBX5O0+Z/8pdTc9u8XSgAMiWNZ4uLo/DlnB93L4tTTlJPBa0YAKWhGM9LvGG4J+oXYXu0l2PZO3Dh5hNLzPLpUORnY3XBohnVlR4pEnRNGynmferwcmk5B/Klw/op7m0bEnV1B2MzCwHJk2NW6wFakXeTJrZsjKD0aPno4XJVJlyl1LH9X3fppmbYrUVCxI7JZyjll3EtdsJeXFLHv8liuTQ== X-MS-Exchange-CrossTenant-Network-Message-Id: 29f59b81-b14b-472e-dde0-08deb70e2547 X-MS-Exchange-CrossTenant-AuthSource: PH0PR11MB5832.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 May 2026 07:54:11.7542 (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: cC94XvvRJ7VXYjhqd9RgafL+hrPUz18MfkQ0eorc/f/QiqlOHboZWp4swA8xr2ky7JOiBCDONtQW2swJYqUbRQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM3PPFF2E67D388 X-OriginatorOrg: intel.com X-Virus-Scanned: clamav-milter 1.0.9 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [paulmckrcu:dev.2026.05.07a] [rcutorture] c2e6a63ac1: RIP:rcu_torture_irq[rcutorture] X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: oe-lkp@lists.linux.dev, oliver.sang@intel.com, lkp@intel.com, ltp@lists.linux.it, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" hi, Paul, below report is just FYI. if the issue is soloved on newer branched, please just ignore. thanks Hello, kernel test robot noticed "RIP:rcu_torture_irq[rcutorture]" on: commit: c2e6a63ac168107454d5fe595c1213e5760d642f ("rcutorture: Test RCU readers from hardware interrupt handlers") https://github.com/paulmckrcu/linux dev.2026.05.07a in testcase: ltp version: with following parameters: test: kernel_misc config: x86_64-rhel-9.4-ltp compiler: gcc-14 test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz (Haswell) with 16G memory (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/202605211529.6ba1b4ff-lkp@intel.com kern :warn : [ 434.509085] [ T5907] ------------[ cut here ]------------ kern :warn : [ 434.509089] [ T5907] WARNING: kernel/rcu/rcutorture.c:2653 at rcu_torture_irq+0x119/0x170 [rcutorture], CPU#2: rcu_torture_rea/5907 kern :warn : [ 434.509137] [ T5907] Modules linked in: rcutorture(+) torture netconsole binfmt_misc snd_hda_codec_intelhdmi snd_hda_codec_hdmi btrfs libblake2b zstd_compress raid6_pq intel_rapl_msr intel_rapl_common xor snd_hda_codec_alc882 x86_pkg_temp_thermal snd_hda_codec_realtek_lib i915 snd_hda_codec_generic intel_powerclamp sd_mod coretemp snd_hda_intel intel_gtt drm_buddy sg snd_hda_codec ttm kvm_intel snd_soc_rt5640 drm_display_helper snd_soc_rl6231 snd_hda_core regmap_i2c kvm snd_intel_dspcfg cec snd_soc_core snd_intel_sdw_acpi drm_client_lib snd_hwdep snd_compress irqbypass drm_kms_helper rapl mxm_wmi ahci snd_pcm libahci alx video intel_cstate intel_uncore pcspkr mei_me i2c_i801 libata mdio snd_timer mei i2c_smbus lpc_ich snd wmi soundcore acpi_pad joydev drm fuse nfnetlink [last unloaded: ltp_uaccess(OE)] kern :warn : [ 434.509249] [ T5907] CPU: 2 UID: 0 PID: 5907 Comm: rcu_torture_rea Tainted: G S W OE 7.1.0-rc1+ #1 PREEMPT(lazy) kern :warn : [ 434.509265] [ T5907] Tainted: [S]=CPU_OUT_OF_SPEC, [W]=WARN, [O]=OOT_MODULE, [E]=UNSIGNED_MODULE kern :warn : [ 434.509267] [ T5907] Hardware name: Gigabyte Technology Co., Ltd. Z97X-UD5H/Z97X-UD5H, BIOS F9 04/21/2015 kern :warn : [ 434.509270] [ T5907] RIP: 0010:rcu_torture_irq (rcu/rcutorture.c:2654 (discriminator 1)) rcutorture kern :warn : [ 434.509287] [ T5907] Code: 93 20 01 00 00 48 83 c4 08 48 c7 c6 10 bb 19 c1 48 89 c7 5b e9 68 14 f7 c2 48 83 c4 08 5b c3 cc cc cc cc 0f 0b e9 0e ff ff ff <0f> 0b e9 fc fe ff ff e8 5b 00 da c0 e9 5a ff ff ff 48 89 04 24 e8 All code ======== 0: 93 xchg %eax,%ebx 1: 20 01 and %al,(%rcx) 3: 00 00 add %al,(%rax) 5: 48 83 c4 08 add $0x8,%rsp 9: 48 c7 c6 10 bb 19 c1 mov $0xffffffffc119bb10,%rsi 10: 48 89 c7 mov %rax,%rdi 13: 5b pop %rbx 14: e9 68 14 f7 c2 jmp 0xffffffffc2f71481 19: 48 83 c4 08 add $0x8,%rsp 1d: 5b pop %rbx 1e: c3 ret 1f: cc int3 20: cc int3 21: cc int3 22: cc int3 23: 0f 0b ud2 25: e9 0e ff ff ff jmp 0xffffffffffffff38 2a:* 0f 0b ud2 <-- trapping instruction 2c: e9 fc fe ff ff jmp 0xffffffffffffff2d 31: e8 5b 00 da c0 call 0xffffffffc0da0091 36: e9 5a ff ff ff jmp 0xffffffffffffff95 3b: 48 89 04 24 mov %rax,(%rsp) 3f: e8 .byte 0xe8 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e9 fc fe ff ff jmp 0xffffffffffffff03 7: e8 5b 00 da c0 call 0xffffffffc0da0067 c: e9 5a ff ff ff jmp 0xffffffffffffff6b 11: 48 89 04 24 mov %rax,(%rsp) 15: e8 .byte 0xe8 kern :warn : [ 434.509290] [ T5907] RSP: 0018:ffffc9000261fc10 EFLAGS: 00010046 kern :warn : [ 434.509294] [ T5907] RAX: 0000000080000002 RBX: ffff888396343248 RCX: ffffffff81828b23 kern :warn : [ 434.509297] [ T5907] RDX: 0000000000000000 RSI: ffff888396343240 RDI: 0000000000000000 kern :warn : [ 434.509299] [ T5907] RBP: 0000000000000246 R08: 0000000000000000 R09: fffffbfff0c72894 kern :warn : [ 434.509301] [ T5907] R10: ffffffff863944a7 R11: 0000000000000000 R12: ffffffffc11a3f10 kern :warn : [ 434.509303] [ T5907] R13: 0000000000000000 R14: ffffffffc11a3f10 R15: 0000000000000000 kern :warn : [ 434.509316] [ T5907] FS: 0000000000000000(0000) GS:ffff88840ef63000(0000) knlGS:0000000000000000 kern :warn : [ 434.509318] [ T5907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kern :warn : [ 434.509320] [ T5907] CR2: 000056053f590492 CR3: 000000041c870005 CR4: 00000000001726f0 kern :warn : [ 434.509323] [ T5907] Call Trace: kern :warn : [ 434.509325] [ T5907] kern :warn : [ 434.509327] [ T5907] generic_exec_single (smp.c:136 smp.c:453) kern :warn : [ 434.509332] [ T5907] ? __pfx_rcu_torture_irq (rcu/rcutorture.c:2607) rcutorture kern :warn : [ 434.509360] [ T5907] smp_call_function_single (smp.c:699) kern :warn : [ 434.509364] [ T5907] ? __pfx_smp_call_function_single (smp.c:375 (discriminator 4)) kern :warn : [ 434.509367] [ T5907] ? local_clock_noinstr (sched/clock.c:307) kern :warn : [ 434.509371] [ T5907] rcu_torture_reader (rcu/rcutorture.c:2700) rcutorture kern :warn : [ 434.509398] [ T5907] ? __pfx_rcu_torture_reader (rcu/rcutorture.c:4041) rcutorture kern :warn : [ 434.509412] [ T5907] ? _raw_spin_lock_irqsave (linux/instrumented.h:55 linux/atomic/atomic-instrumented.h:1301 asm-generic/qspinlock.h:111 linux/spinlock.h:187 linux/spinlock_api_smp.h:133 locking/spinlock.c:166) kern :warn : [ 434.509417] [ T5907] ? __pfx_rcu_torture_timer (linux/slab.h:950) rcutorture kern :warn : [ 434.509443] [ T5907] ? __kthread_parkme (linux/instrumented.h:82 asm-generic/bitops/instrumented-non-atomic.h:141 kthread.c:272) kern :warn : [ 434.509448] [ T5907] ? __pfx_rcu_torture_reader (rcu/rcutorture.c:4041) rcutorture kern :warn : [ 434.509465] [ T5907] ? __pfx_rcu_torture_reader (rcu/rcutorture.c:4041) rcutorture kern :warn : [ 434.509490] [ T5907] kthread (kthread.c:436) kern :warn : [ 434.509493] [ T5907] ? recalc_sigpending (linux/instrumented.h:97 asm-generic/bitops/instrumented-atomic.h:41 linux/thread_info.h:109 signal.c:181) kern :warn : [ 434.509495] [ T5907] ? __pfx_kthread (linux/list.h:381 (discriminator 2)) kern :warn : [ 434.509498] [ T5907] ret_from_fork (x86/kernel/process.c:158) kern :warn : [ 434.509502] [ T5907] ? __pfx_ret_from_fork (x86/include/asm/entry-common.h:54) kern :warn : [ 434.509504] [ T5907] ? switch_fpu (linux/instrumented.h:82 asm-generic/bitops/instrumented-non-atomic.h:141 linux/thread_info.h:133 linux/sched.h:2067 x86/include/asm/fpu/sched.h:34) kern :warn : [ 434.509508] [ T5907] ? __switch_to (x86/kernel/process_64.c:403 x86/kernel/process_64.c:663) kern :warn : [ 434.509511] [ T5907] ? __switch_to_asm (x86/entry/entry_64.S:206) kern :warn : [ 434.509515] [ T5907] ? __pfx_kthread (linux/list.h:381 (discriminator 2)) kern :warn : [ 434.509517] [ T5907] ret_from_fork_asm (x86/entry/entry_64.S:245) kern :warn : [ 434.509522] [ T5907] kern :warn : [ 434.509523] [ T5907] ---[ end trace 0000000000000000 ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260521/202605211529.6ba1b4ff-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki -- Mailing list info: https://lists.linux.it/listinfo/ltp