Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 5bc8110e536d2b1c9a18777eb7576fb4c9dac8a3 ("device-core: Introduce a per-subsystem lockdep_mutex")
https://git.kernel.org/cgit/linux/kernel/git/cxl/cxl.git preview
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <[email protected]>
[ 1.536315][ T1] UBSAN: array-index-out-of-bounds in include/linux/device.h:816:2
[ 1.539096][ T1] index -1 is out of range for type 'mutex [1]'
[ 1.539649][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc2-00077-g5bc8110e536d #1
[ 1.542075][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 1.542964][ T1] Call Trace:
[ 1.542964][ T1] <TASK>
[ 1.542964][ T1] dump_stack_lvl (lib/dump_stack.c:107)
[ 1.542964][ T1] ubsan_epilogue (lib/ubsan.c:152)
[ 1.542964][ T1] __ubsan_handle_out_of_bounds (lib/ubsan.c:291)
[ 1.542964][ T1] __device_attach (include/linux/device.h:816 drivers/base/dd.c:945)
[ 1.542964][ T1] bus_probe_device (drivers/base/bus.c:487)
[ 1.542964][ T1] device_add (drivers/base/core.c:3409)
[ 1.542964][ T1] ? dev_set_name (drivers/base/core.c:3193)
[ 1.542964][ T1] ? lockdep_init_map_type (kernel/locking/lockdep.c:4810)
[ 1.542964][ T1] platform_device_add (drivers/base/platform.c:713 (discriminator 3))
[ 1.542964][ T1] regulator_dummy_init (drivers/regulator/dummy.c:78)
[ 1.542964][ T1] ? regulator_init_complete (drivers/regulator/core.c:5988)
[ 1.542964][ T1] regulator_init (drivers/regulator/core.c:6006)
[ 1.542964][ T1] do_one_initcall (init/main.c:1300)
[ 1.542964][ T1] kernel_init_freeable (init/main.c:1372 init/main.c:1389 init/main.c:1408 init/main.c:1613)
[ 1.542964][ T1] ? rest_init (init/main.c:1494)
[ 1.542964][ T1] kernel_init (init/main.c:1504)
[ 1.542964][ T1] ret_from_fork (arch/x86/entry/entry_64.S:301)
[ 1.542964][ T1] </TASK>
[ 1.543035][ T1] ================================================================================
[ 1.546626][ T12] Callback from call_rcu_tasks_trace() invoked.
[ 1.548651][ T1] ================================================================================
[ 1.549646][ T1] UBSAN: array-index-out-of-bounds in include/linux/device.h:816:2
[ 1.552528][ T1] index -1 is out of range for type 'mutex [1]'
[ 1.552986][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc2-00077-g5bc8110e536d #1
[ 1.555684][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 1.556297][ T1] Call Trace:
[ 1.556297][ T1] <TASK>
[ 1.556297][ T11] Callback from call_rcu_tasks_rude() invoked.
[ 1.556297][ T1] dump_stack_lvl (lib/dump_stack.c:107)
[ 1.556297][ T1] ubsan_epilogue (lib/ubsan.c:152)
[ 1.556297][ T1] __ubsan_handle_out_of_bounds (lib/ubsan.c:291)
[ 1.556297][ T1] ? acpi_driver_match_device (drivers/acpi/bus.c:919)
[ 1.556297][ T1] ? parse_option_str (lib/cmdline.c:219)
[ 1.556297][ T1] __device_driver_lock (include/linux/device.h:816 drivers/base/dd.c:1033)
[ 1.556297][ T1] __driver_attach (drivers/base/dd.c:1141)
[ 1.556297][ T1] ? __device_attach_driver (drivers/base/dd.c:1094)
[ 1.556297][ T1] bus_for_each_dev (drivers/base/bus.c:301)
[ 1.556297][ T1] bus_add_driver (drivers/base/bus.c:619)
[ 1.556297][ T1] driver_register (drivers/base/driver.c:171)
[ 1.556297][ T1] regulator_dummy_init (drivers/regulator/dummy.c:85)
[ 1.556297][ T1] ? regulator_init_complete (drivers/regulator/core.c:5988)
[ 1.556297][ T1] regulator_init (drivers/regulator/core.c:6006)
[ 1.556297][ T1] do_one_initcall (init/main.c:1300)
[ 1.556297][ T1] kernel_init_freeable (init/main.c:1372 init/main.c:1389 init/main.c:1408 init/main.c:1613)
[ 1.556297][ T1] ? rest_init (init/main.c:1494)
[ 1.556297][ T1] kernel_init (init/main.c:1504)
[ 1.556297][ T1] ret_from_fork (arch/x86/entry/entry_64.S:301)
[ 1.556297][ T1] </TASK>
[ 1.556317][ T1] ================================================================================
[ 1.560428][ T1]
[ 1.561431][ T1] *************************************************************
[ 1.562983][ T1] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.565456][ T1] ** **
[ 1.566321][ T1] ** IOMMU DebugFS SUPPORT HAS BEEN ENABLED IN THIS KERNEL **
[ 1.568973][ T1] ** **
[ 1.569650][ T1] ** This means that this kernel is built to expose internal **
[ 1.572023][ T1] ** IOMMU data structures, which may compromise security on **
[ 1.572983][ T1] ** your system. **
[ 1.575320][ T1] ** **
[ 1.576316][ T1] ** If you see this message and you are not debugging the **
[ 1.578919][ T1] ** kernel, report this immediately to your vendor! **
[ 1.579652][ T1] ** **
[ 1.582067][ T1] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.582985][ T1] *************************************************************
[ 1.585500][ T1] PM: RTC time: 20:56:05, date: 2022-03-01
[ 1.587488][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 1.594466][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 1.594483][ T1] thermal_sys: Registered thermal governor 'user_space'
[ 1.596447][ T1] EISA bus registered
[ 1.599796][ T1] cpuidle: using governor ladder
[ 1.604024][ T1] PCI: Using configuration type 1 for base access
[ 1.654535][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 1.657165][ T1] cryptd: max_cpu_qlen set to 1000
[ 1.659977][ T10] Callback from call_rcu_tasks() invoked.
[ 1.660266][ T1] ACPI: Added _OSI(Module Device)
[ 1.663027][ T1] ACPI: Added _OSI(Processor Device)
[ 1.664655][ T1] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 1.666333][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 1.668436][ T1] ACPI: Added _OSI(Linux-Dell-Video)
[ 1.669669][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 1.671495][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 1.684279][ T1] ACPI: 1 ACPI AML tables successfully acquired and loaded
[ 1.694958][ T1] ACPI: Interpreter enabled
[ 1.696516][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 1.698172][ T1] ACPI: Using IOAPIC for interrupt routing
[ 1.699794][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 1.704677][ T1] ACPI: Enabled 2 GPEs in block 00 to 0F
[ 1.753933][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 1.756342][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 1.759086][ T1] acpi PNP0A03:00: PCIe port services disabled; not requesting _OSC control
[ 1.760601][ T1] PCI host bridge to bus 0000:00
[ 1.762244][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 1.762991][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 1.765426][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 1.766321][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[ 1.768816][ T1] pci_bus 0000:00: root bus resource [mem 0x440000000-0x4bfffffff window]
[ 1.769659][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 1.771978][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 1.775188][ T1] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[ 1.778210][ T1] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[ 1.784500][ T1] pci 0000:00:01.1: reg 0x20: [io 0xc040-0xc04f]
[ 1.788482][ T1] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 1.789656][ T1] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 1.791905][ T1] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 1.792986][ T1] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 1.796146][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 1.797014][ T1] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI
[ 1.799766][ T1] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB
[ 1.803539][ T1] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000
[ 1.807401][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref]
[ 1.814019][ T1] pci 0000:00:02.0: reg 0x18: [mem 0xfebf0000-0xfebf0fff]
[ 1.822999][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[ 1.826312][ T1] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 1.830459][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[ 1.833761][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[ 1.837068][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f]
[ 1.847017][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[ 1.851261][ T1] pci 0000:00:04.0: [8086:25ab] type 00 class 0x088000
[ 1.853805][ T1] pci 0000:00:04.0: reg 0x10: [mem 0xfebf1000-0xfebf100f]
[ 1.868257][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 1.870677][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 1.873988][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
To reproduce:
# build kernel
cd linux
cp config-5.17.0-rc2-00077-g5bc8110e536d .config
make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang