https://bugzilla.kernel.org/show_bug.cgi?id=215587
Bug ID: 215587
Summary: UBSAN: invalid-load in drivers/acpi/cppc_acpi.c:314:45
Product: ACPI
Version: 2.5
Kernel Version: 5.17-rc3
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Config-Tables
Assignee: [email protected]
Reporter: [email protected]
Regression: No
Created attachment 300426
--> https://bugzilla.kernel.org/attachment.cgi?id=300426&action=edit
kernel dmesg (kernel 5.17-rc3, AMD Ryzen 9 5950X)
Shows up at on my Ryzen 5950X when UBSAN is enabled.
[...]
UBSAN: invalid-load in drivers/acpi/cppc_acpi.c:314:45
load of value 107 is not a valid value for type 'bool' (aka '_Bool')
CPU: 12 PID: 1 Comm: swapper/0 Tainted: G W 5.17.0-rc3-Zen3 #1
Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./B450M Steel
Legend, BIOS P4.20 08/03/2021
Call Trace:
<TASK>
dump_stack_lvl+0x16c/0x218
? extent_err+0x43f/0x43f
? panic+0x5ba/0x5ba
? usleep_range_state+0xe5/0x146
? schedule_timeout_idle+0x52/0x52
ubsan_epilogue+0x5/0x44
__ubsan_handle_load_invalid_value+0x9e/0xa0
send_pcc_cmd+0xb79/0xc1f
? cppc_get_perf_caps+0x1300/0x1300
? __lock_acquire+0x1344/0x20af
cppc_get_perf_caps+0x49c/0x1300
? cppc_get_nominal_perf+0xd/0xd
? __mutex_trylock_common+0x1f6/0x344
? rcu_report_qs_rdp+0x3d6/0x3d6
? atomic_dec_and_mutex_lock+0x117/0x117
? kernfs_get+0x3d/0x5c
? kobject_add_internal+0x433/0x76a
init_freq_invariance+0x2b0/0x3b2
? arch_disable_smp_support+0x5/0x5
init_freq_invariance_cppc+0x1f/0x32
acpi_cppc_processor_probe+0xd9b/0xff6
? __mutex_unlock_slowpath+0x24d/0x853
? acpi_get_psd_map+0x6ad/0x6ad
? kernfs_create_link+0x126/0x1a5
__acpi_processor_start+0x6e/0x2a3
acpi_processor_start+0x4c/0x5e
really_probe+0x32d/0x738
__driver_probe_device+0x147/0x22f
driver_probe_device+0x44/0xb8
__driver_attach+0x17b/0x1ba
? driver_attach+0x3a/0x3a
bus_for_each_dev+0x157/0x1af
? bus_remove_file+0x98/0x98
? do_raw_spin_unlock+0x46/0x23c
bus_add_driver+0x2b7/0x477
driver_register+0x173/0x29c
acpi_processor_driver_init+0x3c/0xf6
? acpi_initialize_objects+0x61/0x61
do_one_initcall+0x181/0x384
? __kmalloc+0x277/0x351
? do_initcalls+0x23/0x76
? acpi_initialize_objects+0x61/0x61
? efi_enabled+0x48/0x48
? rcu_read_lock_sched_held+0xc2/0x1a7
? perf_trace_rcu_stall_warning+0x34c/0x34c
do_initcall_level+0x136/0x1bf
do_initcalls+0x46/0x76
kernel_init_freeable+0x399/0x4e6
? _raw_spin_unlock_irq+0x1f/0x29
? report_meminit+0x4a/0x4a
? lockdep_hardirqs_on_prepare+0x22e/0x4cd
? print_irqtrace_events+0x214/0x214
? finish_task_switch+0x116/0x4e0
? rest_init+0x23d/0x23d
kernel_init+0x14/0x150
? rest_init+0x23d/0x23d
ret_from_fork+0x22/0x30
</TASK>
[...}
Some data about the machine:
System: Kernel: 5.17.0-rc3-Zen3 x86_64 bits: 64 Console: pty pts/0
Distro: Gentoo Base System release 2.7
Machine: Type: Desktop Mobo: ASRock model: B450M Steel Legend
UEFI: American Megatrends v: P4.20 date: 08/03/2021
CPU: Info: 16-Core AMD Ryzen 9 5950X [MT MCP] speed: 2878 MHz min/max:
2200/3400 MHz
Graphics: Device-1: AMD RV370 [Radeon X600/X600 SE] driver: radeon v: kernel
Display: server: X.org 1.21.1.3 driver: loaded: radeon tty: 104x57
Network: Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
driver: r8169
# lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root
Complex
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP
Bridge
00:01.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP
Bridge
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP
Bridge
00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
Internal PCIe GPP Bridge 0 to bus[E:B]
00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe
Dummy Host Bridge
00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse
Internal PCIe GPP Bridge 0 to bus[E:B]
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 61)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 0
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 1
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 2
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 3
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 4
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 5
00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 6
00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Matisse/Vermeer Data
Fabric: Device 18h; Function 7
01:00.0 Non-Volatile memory controller: Sandisk Corp WD Blue SN550 NVMe SSD
(rev 01)
02:00.0 USB controller: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset
USB 3.1 XHCI Controller (rev 01)
02:00.1 SATA controller: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset
SATA Controller (rev 01)
02:00.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe
Bridge (rev 01)
03:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe
Port (rev 01)
03:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe
Port (rev 01)
03:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] 400 Series Chipset PCIe
Port (rev 01)
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411
PCI Express Gigabit Ethernet Controller (rev 15)
07:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV370
[Radeon X600/X600 SE]
07:00.1 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] RV380
[Radeon X300/X550/X1050 Series] (Secondary)
08:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc.
[AMD] Starship/Matisse PCIe Dummy Function
09:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc.
[AMD] Starship/Matisse Reserved SPP
09:00.1 Encryption controller: Advanced Micro Devices, Inc. [AMD]
Starship/Matisse Cryptographic Coprocessor PSPCPP
09:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host
Controller
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