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BUG: KCSAN: data-race in __tmigr_cpu_activate / tmigr_handle_remote

write to 0xffff888237c205e4 of 1 bytes by task 0 on cpu 0:
 __tmigr_cpu_activate+0x55/0x1f0 kernel/time/timer_migration.c:682
 tmigr_cpu_activate+0x8a/0xc0 kernel/time/timer_migration.c:705
 timer_clear_idle+0x28/0x100 kernel/time/timer.c:2380
 tick_nohz_restart_sched_tick+0x22/0x110 kernel/time/tick-sched.c:1089
 tick_nohz_idle_update_tick kernel/time/tick-sched.c:1432 [inline]
 tick_nohz_idle_exit+0xfe/0x1d0 kernel/time/tick-sched.c:1475
 do_idle+0x1ee/0x230 kernel/sched/idle.c:345
 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:430
 rest_init+0xef/0xf0 init/main.c:732
 start_kernel+0x57c/0x5e0 init/main.c:1074
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507
 x86_64_start_kernel+0x94/0xa0 arch/x86/kernel/head64.c:488
 common_startup_64+0x12c/0x137

read to 0xffff888237c205e4 of 1 bytes by interrupt on cpu 1:
 tmigr_next_groupevt kernel/time/timer_migration.c:569 [inline]
 tmigr_next_expired_groupevt kernel/time/timer_migration.c:593 [inline]
 tmigr_handle_remote_up kernel/time/timer_migration.c:1023 [inline]
 __walk_groups kernel/time/timer_migration.c:488 [inline]
 tmigr_handle_remote+0x26e/0x910 kernel/time/timer_migration.c:1091
 run_timer_softirq+0x5f/0x70 kernel/time/timer.c:2452
 __do_softirq+0xc8/0x285 kernel/softirq.c:554
 run_ksoftirqd+0x17/0x30 kernel/softirq.c:924
 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164
 kthread+0x1d1/0x210 kernel/kthread.c:388
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243

value changed: 0x00 -> 0x01

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 22 Comm: ksoftirqd/1 Tainted: G        W          6.9.0-rc2-syzkaller-00435-g9fe30842a90b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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