Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.34 as permitted sender) client-ip=23.128.96.34;
Date:   Fri, 22 Sep 2023 15:14:02 +0800
From:   kernel test robot <oliver.sang@intel.com>
To:     Rob Clark <robdclark@gmail.com>
CC:     <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
        <linux-pm@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
        Rob Clark <robdclark@chromium.org>,
        "Len Brown" <len.brown@intel.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        <linux-arm-msm@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>,
        Pavel Machek <pavel@ucw.cz>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        <freedreno@lists.freedesktop.org>, <oliver.sang@intel.com>
Subject: Re: [PATCH v5 04/11] PM / QoS: Decouple request alloc from
 dev_pm_qos_mtx
Message-ID: <202309221426.fb0fe750-oliver.sang@intel.com>
Content-Type: text/plain; charset="us-ascii"
Content-Disposition: inline
In-Reply-To: <20230822180208.95556-5-robdclark@gmail.com>
MIME-Version: 1.0
X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1
X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?X/z7beF0KqiNYmCbQ91CQcFDd3CohX3s2U20vnTOdKOR/oIPWgM1jMeUp5qe?=
 =?us-ascii?Q?265BE2B60xat0XYLIgqbWDZFsBrOXTa1hacj7E54wcjotBgk5HiYUZfx7rIj?=
 =?us-ascii?Q?v5yNsKzKFgTIkCQjirzInKiiZ6HWNp8fF9NtXeWt4tz/7lYEzc/nc85ZJyQq?=
 =?us-ascii?Q?b07feNkjRqTyhGQ54ULREl48bgAzysJAycLwIdqvmMM6dbG3+4Ajidv1ZIyW?=
 =?us-ascii?Q?dSfWrV8zzQC0snu8/O06WNAo8JqBHNyZz//Dz6VK1YKLOv2GCYrwoM4wqwuR?=
 =?us-ascii?Q?yxGYLh4NfV1atwEou0P/ClFN2D2WpB29o20YNEHxsf0mIrc6lLWMonqB8JlW?=
 =?us-ascii?Q?wyQkxyRr1JS+P9F4c07/kePVJAwXt//BvRSuojMK/7mFAscpTw/b3lYHgNyC?=
 =?us-ascii?Q?J5I9FGo757mld/9ATz2Kprnb1++m4hV+PcWs9Tc1sHrryYXBKSikyXWVs7DJ?=
 =?us-ascii?Q?RVnyxDAg6XAsVirGsbTSEQ09wLlNRkOFwfqIZ6Z7xZxEfkY7bF1X0CSOAS5i?=
 =?us-ascii?Q?bwCNen0R4L8RdoVifSH+i5NqbNqUKttbyxhCzFoxcXzmdsShEObiAJjD1LfD?=
 =?us-ascii?Q?gDySs46YkDrfCzVetP2uJg0vmN77SJWUTZdjxw59H05J97obD7U/fIFMNj/z?=
 =?us-ascii?Q?fFYVQYZUdAvGB7PNb1abbZBxdW7PgCQaAo6doybWOxRmnSSbROQQrPzfKCzE?=
 =?us-ascii?Q?2zVktD0p8HMXC1dO3SMITYksaaj70vrLODpT7L8M9ZgsW3DfrONhdI7N/6be?=
 =?us-ascii?Q?ygTxt79xC5M6cbWnIQXRdriw5YJ8yOCwcGNCarRkawcDsJjqrRSSBcUbXqe5?=
 =?us-ascii?Q?OnZEXJmfh0Jpc6E1YmhSEUfKXE9xhlf2BBu+WDFbQhjkAjVRKckuvmNHIKSx?=
 =?us-ascii?Q?/m7xmgfevjNhjkX6Z2BESEmoGJ5sxfxN5czCtdopcR7C6g5TJMjl/PmG6d+C?=
 =?us-ascii?Q?xVWqnsM+Pllavq7Uuf9VVWAWJC6DsBzCl0Jc8Z8yjmg0yYo4NiXoLznmUuiz?=
 =?us-ascii?Q?pZhyKkkoJUTc3hiHexXM3r587lA5FMU7TpYgGSbNJke9YNhpfXIrMjAWKfWS?=
 =?us-ascii?Q?IdyFwR6bvfVmX1CaC8SxVVpo+cyEjygjysMTO5FccIBMUPuMKECA/sET2B3a?=
 =?us-ascii?Q?1ePmh9+D5va/GXrH4mB20fnijhjAhWTH4qdannNK4xceowizlX5Xhx86onBJ?=
 =?us-ascii?Q?QKbt+Zt/fqR3+wlp+K0TuWLgiD4jTkm0L9LSpQlJdwE+/cSuz90soClx4vly?=
 =?us-ascii?Q?7ASq1IJ7q8OibiCWBoDpgeuGRoO+tZucbx6/VTy5rpBibLMUAV1r2Yv2QR28?=
 =?us-ascii?Q?xpC5FYTHiIB0jTn9+oIx4QlvkNptQg7kxCfMaMSVzFC/ZsOG4zPEmciEzMdn?=
 =?us-ascii?Q?f8km2vArB+caqVzHCjsEGvxvcTAb5UINw9VzoJNggzGsbvGfmz6e4OZ2nHRe?=
 =?us-ascii?Q?GkPzDHZghdnZux6/cbjrsqK09t39qpY6x2oAC6yG74DQ4Hz3k5flq9PVu/v3?=
 =?us-ascii?Q?ingZ2Z6HwD8mgOCNvc1wxK1CNpTGcpVhFsn33ZGT9hyukXeVbDBMHrYbNuYB?=
 =?us-ascii?Q?aro+GB5WNgjOH3rOSXwfvKxcWDoMzBSBhgtKkLMK3Erx60eUroqhBSgHD97F?=
 =?us-ascii?Q?xA=3D=3D?=
X-MS-Exchange-CrossTenant-Network-Message-Id: c99d9905-c2a6-4374-cf9f-08dbbb3b84d3
X-MS-Exchange-CrossTenant-AuthSource: PH8PR11MB6779.namprd11.prod.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Sep 2023 07:14:11.1353
 (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: Ww1mi0Z9Ku47cwi2a9VJ/6d/6nMUQCc6ym4bEFwVZ/9cVUYvM1XcyfZmibWusVx3aXZTTemi4zERKykVa0VQzQ==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR11MB7186
X-OriginatorOrg: intel.com
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH,
        DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,
        RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,
        SPF_HELO_NONE,SPF_NONE,URIBL_BLOCKED autolearn=ham autolearn_force=no
        version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Fri, 22 Sep 2023 00:14:25 -0700 (PDT)


Hello,

kernel test robot noticed "canonical_address#:#[##]" on:

commit: d308a440bdf329cfa70cc5d35c565939d81ae73f ("[PATCH v5 04/11] PM / QoS: Decouple request alloc from dev_pm_qos_mtx")
url: https://github.com/intel-lab-lkp/linux/commits/Rob-Clark/PM-devfreq-Drop-unneed-locking-to-appease-lockdep/20230823-020443
base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link: https://lore.kernel.org/all/20230822180208.95556-5-robdclark@gmail.com/
patch subject: [PATCH v5 04/11] PM / QoS: Decouple request alloc from dev_pm_qos_mtx

in testcase: blktests
version: blktests-x86_64-e0bb3dc-1_20230912
with following parameters:

	disk: 1SSD
	test: nvme-group-01
	nvme_trtype: rdma


compiler: gcc-12
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480+ (Sapphire Rapids) with 256G 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 <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202309221426.fb0fe750-oliver.sang@intel.com


[   79.616893][ T2311]
[   79.634663][ T3447] run blktests nvme/032 at 2023-09-19 15:50:52
[   83.369231][ T2313] /lkp/lkp/src/monitors/kmemleak: 19: echo: echo: I/O error
[   83.369240][ T2313]
[   85.082264][ T1434] nvme nvme0: 128/0/0 default/read/poll queues
[   88.926272][ T3447] general protection fault, probably for non-canonical address 0xdffffc0000000024: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   88.941100][ T3447] KASAN: null-ptr-deref in range [0x0000000000000120-0x0000000000000127]
[   88.951583][ T3447] CPU: 95 PID: 3447 Comm: check Tainted: G S                 6.5.0-rc2-00514-gd308a440bdf3 #1
[   88.964091][ T3447] Hardware name: Intel Corporation D50DNP1SBB/D50DNP1SBB, BIOS SE5C7411.86B.8118.D04.2206151341 06/15/2022
[ 88.977880][ T3447] RIP: 0010:dev_pm_qos_update_user_latency_tolerance (kbuild/src/consumer/drivers/base/power/qos.c:936) 
[ 88.987504][ T3447] Code: 02 00 00 48 8b bb 08 02 00 00 e8 79 ea ff ff 48 8d b8 20 01 00 00 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3a 02 00 00 45 31 f6 48 83 bd 20 01 00 00 00 0f
All code
========
   0:	02 00                	add    (%rax),%al
   2:	00 48 8b             	add    %cl,-0x75(%rax)
   5:	bb 08 02 00 00       	mov    $0x208,%ebx
   a:	e8 79 ea ff ff       	callq  0xffffffffffffea88
   f:	48 8d b8 20 01 00 00 	lea    0x120(%rax),%rdi
  16:	48 89 c5             	mov    %rax,%rbp
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df 
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
  2a:*	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)		<-- trapping instruction
  2e:	0f 85 3a 02 00 00    	jne    0x26e
  34:	45 31 f6             	xor    %r14d,%r14d
  37:	48 83 bd 20 01 00 00 	cmpq   $0x0,0x120(%rbp)
  3e:	00 
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   4:	0f 85 3a 02 00 00    	jne    0x244
   a:	45 31 f6             	xor    %r14d,%r14d
   d:	48 83 bd 20 01 00 00 	cmpq   $0x0,0x120(%rbp)
  14:	00 
  15:	0f                   	.byte 0xf
[   89.010647][ T3447] RSP: 0018:ffa0000017fe7b70 EFLAGS: 00010206
[   89.018574][ T3447] RAX: dffffc0000000000 RBX: ff1100209b614298 RCX: 0000000000000000
[   89.028658][ T3447] RDX: 0000000000000024 RSI: 00000000ffffffff RDI: 0000000000000120
[   89.038735][ T3447] RBP: 0000000000000000 R08: 0000000000000000 R09: fff3fc0002ffcf64
[   89.048812][ T3447] R10: 0000000000000003 R11: ff1100208a8624b0 R12: ff1100209b6144a0
[   89.058895][ T3447] R13: 00000000ffffffff R14: ffffffffc08e3468 R15: ff110001273f4138
[   89.068957][ T3447] FS:  00007fc6d8027740(0000) GS:ff11003fd3180000(0000) knlGS:0000000000000000
[   89.080098][ T3447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.088618][ T3447] CR2: 00007f5be5eeb120 CR3: 0000000263306002 CR4: 0000000000f71ee0
[   89.098720][ T3447] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   89.108812][ T3447] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
[   89.118899][ T3447] PKRU: 55555554
[   89.123997][ T3447] Call Trace:
[   89.128804][ T3447]  <TASK>
[ 89.133218][ T3447] ? die_addr (kbuild/src/consumer/arch/x86/kernel/dumpstack.c:421 kbuild/src/consumer/arch/x86/kernel/dumpstack.c:460) 
[ 89.139003][ T3447] ? exc_general_protection (kbuild/src/consumer/arch/x86/kernel/traps.c:786 kbuild/src/consumer/arch/x86/kernel/traps.c:728) 
[ 89.146323][ T3447] ? asm_exc_general_protection (kbuild/src/consumer/arch/x86/include/asm/idtentry.h:564) 
[ 89.153849][ T3447] ? dev_pm_qos_update_user_latency_tolerance (kbuild/src/consumer/drivers/base/power/qos.c:936) 


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20230922/202309221426.fb0fe750-oliver.sang@intel.com


-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki