sd 0:0:1:0: [sda] Synchronizing SCSI cache
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BUG: KCSAN: data-race in acpi_ut_trace / acpi_ut_trace_ptr

read-write to 0xffffffff896238c8 of 4 bytes by task 6539 on cpu 0:
 acpi_ut_trace+0x44/0x180 drivers/acpi/acpica/utdebug.c:268
 acpi_ns_search_one_scope+0x5f/0x3f0 drivers/acpi/acpica/nssearch.c:66
 acpi_ns_search_and_enter+0xc3/0x860 drivers/acpi/acpica/nssearch.c:286
 acpi_ns_lookup+0xbd8/0x1070 drivers/acpi/acpica/nsaccess.c:589
 acpi_ns_get_node_unlocked+0x143/0x2d0 drivers/acpi/acpica/nsutils.c:677
 acpi_ns_get_node+0x76/0xc0 drivers/acpi/acpica/nsutils.c:726
 acpi_get_handle+0xfd/0x180 drivers/acpi/acpica/nsxfname.c:98
 acpi_has_method+0x46/0x80 drivers/acpi/utils.c:672
 acpi_pci_set_power_state+0x5d/0x190 drivers/pci/pci-acpi.c:1084
 platform_pci_set_power_state drivers/pci/pci.c:1091 [inline]
 pci_power_up+0x40/0x3b0 drivers/pci/pci.c:1339
 pci_pm_power_up_and_verify_state+0x29/0x130 drivers/pci/pci.c:3186
 pci_pm_default_resume_early drivers/pci/pci-driver.c:614 [inline]
 pci_pm_resume_noirq+0xcb/0x320 drivers/pci/pci-driver.c:1019
 dpm_run_callback+0x53/0x2f0 drivers/base/power/main.c:513
 device_resume_noirq+0x851/0x880 drivers/base/power/main.c:871
 async_resume_noirq+0x2c/0x40 drivers/base/power/main.c:893
 async_run_entry_fn+0x52/0x180 kernel/async.c:129
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0x56a/0xa50 kernel/workqueue.c:3479
 worker_thread+0x569/0x750 kernel/workqueue.c:3560
 kthread+0x223/0x270 kernel/kthread.c:436
 ret_from_fork+0x146/0x330 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

read-write to 0xffffffff896238c8 of 4 bytes by task 6524 on cpu 1:
 acpi_ut_trace_ptr+0x49/0x180 drivers/acpi/acpica/utdebug.c:306
 acpi_ns_get_node+0x3c/0xc0 drivers/acpi/acpica/nsutils.c:719
 acpi_get_handle+0xfd/0x180 drivers/acpi/acpica/nsxfname.c:98
 acpi_has_method+0x46/0x80 drivers/acpi/utils.c:672
 acpi_pci_set_power_state+0x5d/0x190 drivers/pci/pci-acpi.c:1084
 platform_pci_set_power_state drivers/pci/pci.c:1091 [inline]
 pci_power_up+0x40/0x3b0 drivers/pci/pci.c:1339
 pci_pm_power_up_and_verify_state+0x29/0x130 drivers/pci/pci.c:3186
 pci_pm_default_resume_early drivers/pci/pci-driver.c:614 [inline]
 pci_pm_resume_noirq+0xcb/0x320 drivers/pci/pci-driver.c:1019
 dpm_run_callback+0x53/0x2f0 drivers/base/power/main.c:513
 device_resume_noirq+0x851/0x880 drivers/base/power/main.c:871
 async_resume_noirq+0x2c/0x40 drivers/base/power/main.c:893
 async_run_entry_fn+0x52/0x180 kernel/async.c:129
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0x56a/0xa50 kernel/workqueue.c:3479
 worker_thread+0x569/0x750 kernel/workqueue.c:3560
 kthread+0x223/0x270 kernel/kthread.c:436
 ret_from_fork+0x146/0x330 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

value changed: 0x00000004 -> 0x00000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 6524 Comm: kworker/u8:140 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: async async_run_entry_fn
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