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: acpi_config-tab...@kernel-bugs.osdl.org Reporter: erhar...@mailbox.org 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 -- You may reply to this email to add a comment. 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