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BUG: KCSAN: data-race in ps2_do_sendbyte / ps2_handle_ack

write to 0xffff888103b63840 of 8 bytes by interrupt on cpu 1:
 ps2_handle_ack+0x1b3/0x320 drivers/input/serio/libps2.c:444
 atkbd_interrupt+0xa5b/0xc30 drivers/input/keyboard/atkbd.c:422
 serio_interrupt+0x5d/0xe0 drivers/input/serio/serio.c:1001
 i8042_interrupt+0x380/0x710 drivers/input/serio/i8042.c:606
 __handle_irq_event_percpu+0x92/0x400 kernel/irq/handle.c:158
 handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
 handle_irq_event+0x60/0xf0 kernel/irq/handle.c:210
 handle_edge_irq+0x17e/0x5a0 kernel/irq/chip.c:817
 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+0x9a/0xc0 arch/x86/kernel/irq.c:240
 asm_common_interrupt+0x27/0x40
 fput+0x0/0x130 fs/file_table.c:346
 fdput include/linux/file.h:45 [inline]
 __do_sys_ioctl fs/ioctl.c:873 [inline]
 __se_sys_ioctl+0x124/0x140 fs/ioctl.c:856
 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

read to 0xffff888103b63840 of 8 bytes by task 9468 on cpu 0:
 ps2_do_sendbyte+0x12e/0x380 drivers/input/serio/libps2.c:45
 __ps2_command+0x35e/0x8c0 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:583 [inline]
 atkbd_event_work+0x2a8/0x2e0 drivers/input/keyboard/atkbd.c:637
 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289
 worker_thread+0x618/0xa70 kernel/workqueue.c:2436
 kthread+0x1a9/0x1e0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30

value changed: 0x0000000000000001 -> 0x0000000000000000

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 9468 Comm: kworker/0:37 Not tainted 5.19.0-rc5-syzkaller-00049-gc1084b6c5620-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Workqueue: events atkbd_event_work
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