================================================================== BUG: KCSAN: data-race in ps2_do_sendbyte / ps2_handle_ack write to 0xffff888103413040 of 8 bytes by interrupt on cpu 1: ps2_handle_ack+0x15a/0x350 drivers/input/serio/libps2.c:439 atkbd_interrupt+0xbf7/0xcd0 drivers/input/keyboard/atkbd.c:434 serio_interrupt+0x5d/0xe0 drivers/input/serio/serio.c:1001 i8042_interrupt+0x39e/0x720 drivers/input/serio/i8042.c:606 __handle_irq_event_percpu+0x92/0x450 kernel/irq/handle.c:158 handle_irq_event_percpu kernel/irq/handle.c:193 [inline] handle_irq_event+0x7b/0x110 kernel/irq/handle.c:210 handle_edge_irq+0x18e/0x5f0 kernel/irq/chip.c:820 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline] handle_irq arch/x86/kernel/irq.c:231 [inline] __common_interrupt+0x60/0x100 arch/x86/kernel/irq.c:250 common_interrupt+0x45/0xc0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x1e/0x40 read to 0xffff888103413040 of 8 bytes by task 32078 on cpu 0: ps2_do_sendbyte+0x12e/0x3b0 drivers/input/serio/libps2.c:45 __ps2_command+0x30d/0xa00 drivers/input/serio/libps2.c:273 ps2_command+0x51/0x90 drivers/input/serio/libps2.c:332 atkbd_set_repeat_rate drivers/input/keyboard/atkbd.c:595 [inline] atkbd_event_work+0x2d4/0x300 drivers/input/keyboard/atkbd.c:649 process_one_work+0x3f6/0x960 kernel/workqueue.c:2307 worker_thread+0x616/0xa70 kernel/workqueue.c:2454 kthread+0x1bf/0x1e0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30 value changed: 0x0000000000000001 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 32078 Comm: kworker/0:3 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events atkbd_event_work ==================================================================