================================================================== BUG: KCSAN: data-race in __ps2_command / ps2_handle_response write to 0xffff888100890460 of 1 bytes by interrupt on cpu 0: ps2_handle_response+0x40/0x140 drivers/input/serio/libps2.c:463 psmouse_interrupt+0x6d4/0x930 drivers/input/mouse/psmouse-base.c:369 serio_interrupt+0x5d/0xe0 drivers/input/serio/serio.c:1002 i8042_interrupt+0x39e/0x720 drivers/input/serio/i8042.c:602 __handle_irq_event_percpu+0x93/0x3f0 kernel/irq/handle.c:156 handle_irq_event_percpu kernel/irq/handle.c:196 [inline] handle_irq_event+0xb0/0x160 kernel/irq/handle.c:213 handle_edge_irq+0x17e/0x600 kernel/irq/chip.c:819 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0x38/0xb0 arch/x86/kernel/irq.c:250 common_interrupt+0x73/0x90 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:638 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:513 [inline] acpi_idle_enter+0x25b/0x2e0 drivers/acpi/processor_idle.c:648 cpuidle_enter_state+0x2b6/0x750 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x1a3/0x240 kernel/sched/idle.c:306 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403 rest_init+0xc9/0xd0 init/main.c:721 arch_call_rest_init+0xa/0xb start_kernel+0x59e/0x623 init/main.c:1087 secondary_startup_64_no_verify+0xb0/0xbb read to 0xffff888100890460 of 1 bytes by task 1037 on cpu 1: __ps2_command+0x4f8/0xa40 drivers/input/serio/libps2.c:288 ps2_command+0x51/0x90 drivers/input/serio/libps2.c:332 genius_detect+0x86/0x220 drivers/input/mouse/psmouse-base.c:555 psmouse_do_detect drivers/input/mouse/psmouse-base.c:1009 [inline] psmouse_try_protocol drivers/input/mouse/psmouse-base.c:1023 [inline] psmouse_extensions+0x15a9/0x1790 drivers/input/mouse/psmouse-base.c:1179 __psmouse_reconnect+0x31e/0x620 drivers/input/mouse/psmouse-base.c:1728 psmouse_reconnect+0x13/0x20 drivers/input/mouse/psmouse-base.c:1766 serio_reconnect_driver drivers/input/serio/serio.c:59 [inline] serio_reconnect_port drivers/input/serio/serio.c:588 [inline] serio_handle_event+0x6be/0xc20 drivers/input/serio/serio.c:214 process_one_work+0x3e9/0x8f0 kernel/workqueue.c:2276 worker_thread+0x636/0xae0 kernel/workqueue.c:2422 kthread+0x1d0/0x1f0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 value changed: 0x02 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1037 Comm: kworker/1:3 Tainted: G W 5.13.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_long serio_handle_event ==================================================================