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BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_timer

write to 0xffffffff85ebe060 of 4 bytes by interrupt on cpu 1:
 tick_sched_do_timer kernel/time/tick-sched.c:191 [inline]
 tick_sched_timer+0x201/0x220 kernel/time/tick-sched.c:1421
 __run_hrtimer+0x163/0x460 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x37e/0xac0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0xa3/0x240 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20
 check_access kernel/kcsan/core.c:635 [inline]
 __tsan_read8+0xed/0x180 kernel/kcsan/core.c:864
 _copy_to_iter+0xcc/0xbe0 lib/iov_iter.c:667
 copy_to_iter include/linux/uio.h:155 [inline]
 simple_copy_to_iter+0x4c/0x60 net/core/datagram.c:519
 __skb_datagram_iter+0xac/0x520 net/core/datagram.c:425
 skb_copy_datagram_iter+0x36/0xf0 net/core/datagram.c:533
 skb_copy_datagram_msg include/linux/skbuff.h:3657 [inline]
 tcp_recvmsg_locked+0xab9/0x1600 net/ipv4/tcp.c:2456
 tcp_recvmsg+0x16c/0x460 net/ipv4/tcp.c:2534
 inet_recvmsg+0xa3/0x210 net/ipv4/af_inet.c:850
 sock_recvmsg_nosec net/socket.c:944 [inline]
 sock_recvmsg net/socket.c:962 [inline]
 sock_read_iter+0x19d/0x1e0 net/socket.c:1035
 call_read_iter include/linux/fs.h:2156 [inline]
 new_sync_read fs/read_write.c:400 [inline]
 vfs_read+0x66c/0x750 fs/read_write.c:481
 ksys_read+0xd9/0x190 fs/read_write.c:619
 __do_sys_read fs/read_write.c:629 [inline]
 __se_sys_read fs/read_write.c:627 [inline]
 __x64_sys_read+0x3e/0x50 fs/read_write.c:627
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffffffff85ebe060 of 4 bytes by task 0 on cpu 0:
 tick_nohz_next_event+0x236/0x320 kernel/time/tick-sched.c:838
 tick_nohz_get_sleep_length+0xca/0x140 kernel/time/tick-sched.c:1192
 menu_select+0x34d/0x10a0 drivers/cpuidle/governors/menu.c:283
 cpuidle_select+0x3d/0x50 drivers/cpuidle/cpuidle.c:322
 cpuidle_idle_call kernel/sched/idle.c:232 [inline]
 do_idle+0x17e/0x250 kernel/sched/idle.c:306
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403
 rest_init+0xfa/0x100 init/main.c:725
 arch_call_rest_init+0xa/0xb
 start_kernel+0x5e4/0x669 init/main.c:1135
 secondary_startup_64_no_verify+0xb1/0xbb

value changed: 0xffffffff -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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