linux-kernel - [anna-maria-devel:devmsi-arm] [PCI/MSI] 5f632ae043: BUG:kernel_NULL_pointer

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Date: Tue, 25 Jun 2024 22:40:48 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Shivamurthy Shastri <shivamurthy.shastri@...utronix.de>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-pci@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Anna-Maria Behnsen
	<anna-maria@...utronix.de>, <oliver.sang@...el.com>
Subject: [anna-maria-devel:devmsi-arm] [PCI/MSI]  5f632ae043:
 BUG:kernel_NULL_pointer_dereference,address



Hello,

kernel test robot noticed "BUG:kernel_NULL_pointer_dereference,address" on:

commit: 5f632ae0439cdbfaaa26cc49f08680ad6e38846c ("PCI/MSI: Provide MSI_FLAG_PCI_MSI_MASK_PARENT")
https://git.kernel.org/cgit/linux/kernel/git/anna-maria/linux-devel.git devmsi-arm

in testcase: vm-scalability
version: vm-scalability-x86_64-6f4ef16-0_20240303
with following parameters:

	runtime: 300
	thp_enabled: always
	thp_defrag: always
	nr_task: 32
	nr_ssd: 1
	priority: 1
	test: swap-w-seq-mt
	cpufreq_governor: performance



compiler: gcc-13
test machine: 128 threads 2 sockets Intel(R) Xeon(R) Platinum 8358 CPU @ 2.60GHz (Ice Lake) with 128G 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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202406252154.e6678312-oliver.sang@intel.com


[   12.206077][    T9] BUG: kernel NULL pointer dereference, address: 0000000000000000
[   12.206995][    T9] #PF: supervisor instruction fetch in kernel mode
[   12.206995][    T9] #PF: error_code(0x0010) - not-present page
[   12.206995][    T9] PGD 0
[   12.206995][    T9] Oops: Oops: 0010 [#1] SMP NOPTI
[   12.206995][    T9] CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.10.0-rc3-00003-g5f632ae0439c #1
[   12.206995][    T9] Hardware name: Intel Corporation M50CYP2SB1U/M50CYP2SB1U, BIOS SE5C620.86B.01.01.0003.2104260124 04/26/2021
[   12.206995][    T9] Workqueue: events work_for_cpu_fn
[   12.206995][    T9] RIP: 0010:0x0
[ 12.206995][ T9] Code: Unable to access opcode bytes at 0xffffffffffffffd6.

Code starting with the faulting instruction
===========================================
[   12.206995][    T9] RSP: 0000:ffa0000000173b20 EFLAGS: 00010002
[   12.206995][    T9] RAX: 0000000000000000 RBX: ff1100010608da00 RCX: 0000000000000002
[   12.206995][    T9] RDX: ff1100010608fc30 RSI: 0000000000000080 RDI: ff11000104e0f680
[   12.206995][    T9] RBP: ff11000104edbb00 R08: 0000000000000002 R09: ffa0000000173a54
[   12.206995][    T9] R10: 0000000000000000 R11: ffffffff82031850 R12: 0000000000000000
[   12.206995][    T9] R13: ff11000104e1a300 R14: ff1100010608db60 R15: ff1100010608daa4
[   12.206995][    T9] FS:  0000000000000000(0000) GS:ff1100103e200000(0000) knlGS:0000000000000000
[   12.206995][    T9] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.206995][    T9] CR2: ffffffffffffffd6 CR3: 000000207de1c001 CR4: 0000000000771ef0
[   12.206995][    T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   12.206995][    T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   12.206995][    T9] PKRU: 55555554
[   12.206995][    T9] Call Trace:
[   12.206995][    T9]  <TASK>
[ 12.206995][ T9] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) 
[ 12.206995][ T9] ? page_fault_oops (arch/x86/mm/fault.c:715) 
[ 12.206995][ T9] ? exc_page_fault (arch/x86/include/asm/irqflags.h:37 arch/x86/include/asm/irqflags.h:72 arch/x86/mm/fault.c:1489 arch/x86/mm/fault.c:1539) 
[ 12.206995][ T9] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623) 
[ 12.206995][ T9] ? __pfx_pci_conf1_read (arch/x86/pci/direct.c:23) 
[ 12.206995][ T9] pci_irq_unmask_msi (drivers/pci/msi/irqdomain.c:164 drivers/pci/msi/irqdomain.c:179) 
[ 12.206995][ T9] irq_enable (kernel/irq/chip.c:438 kernel/irq/chip.c:432 kernel/irq/chip.c:345) 
[ 12.206995][ T9] __irq_startup (kernel/irq/internals.h:241 kernel/irq/chip.c:180 kernel/irq/chip.c:250) 
[ 12.206995][ T9] irq_startup (kernel/irq/chip.c:269) 
[ 12.206995][ T9] __setup_irq (kernel/irq/manage.c:1810) 
[ 12.206995][ T9] request_threaded_irq (kernel/irq/manage.c:2211) 
[ 12.206995][ T9] pcie_pme_probe (include/linux/interrupt.h:171 drivers/pci/pcie/pme.c:350) 
[ 12.206995][ T9] pcie_port_probe_service (drivers/pci/pcie/portdrv.c:529) 
[ 12.206995][ T9] really_probe (drivers/base/dd.c:578 drivers/base/dd.c:656) 
[ 12.206995][ T9] ? __pfx___device_attach_driver (drivers/base/dd.c:920) 
[ 12.206995][ T9] __driver_probe_device (drivers/base/dd.c:798) 
[ 12.206995][ T9] driver_probe_device (drivers/base/dd.c:828) 
[ 12.206995][ T9] __device_attach_driver (drivers/base/dd.c:957) 
[ 12.206995][ T9] bus_for_each_drv (drivers/base/bus.c:457) 
[ 12.206995][ T9] __device_attach (drivers/base/dd.c:1028) 
[ 12.206995][ T9] bus_probe_device (drivers/base/bus.c:532) 
[ 12.206995][ T9] device_add (drivers/base/core.c:3728) 
[ 12.206995][ T9] pcie_portdrv_probe (drivers/pci/pcie/portdrv.c:311 drivers/pci/pcie/portdrv.c:364 drivers/pci/pcie/portdrv.c:696) 
[ 12.206995][ T9] local_pci_probe (drivers/pci/pci-driver.c:324) 
[ 12.206995][ T9] work_for_cpu_fn (kernel/workqueue.c:6670) 
[ 12.206995][ T9] process_one_work (kernel/workqueue.c:3231) 
[ 12.206995][ T9] worker_thread (kernel/workqueue.c:3306 (discriminator 2) kernel/workqueue.c:3393 (discriminator 2)) 
[ 12.206995][ T9] ? __pfx_worker_thread (kernel/workqueue.c:3339) 
[ 12.206995][ T9] ? __pfx_worker_thread (kernel/workqueue.c:3339) 
[ 12.206995][ T9] kthread (kernel/kthread.c:389) 
[ 12.206995][ T9] ? __pfx_kthread (kernel/kthread.c:342) 
[ 12.206995][ T9] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 12.206995][ T9] ? __pfx_kthread (kernel/kthread.c:342) 
[ 12.206995][ T9] ret_from_fork_asm (arch/x86/entry/entry_64.S:257) 
[   12.206995][    T9]  </TASK>
[   12.206995][    T9] Modules linked in:
[   12.206995][    T9] CR2: 0000000000000000
[   12.206995][    T9] ---[ end trace 0000000000000000 ]---
[   12.206995][    T9] RIP: 0010:0x0
[ 12.206995][ T9] Code: Unable to access opcode bytes at 0xffffffffffffffd6.

Code starting with the faulting instruction
===========================================


The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240625/202406252154.e6678312-oliver.sang@intel.com



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