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BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64

write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1:
 tick_do_update_jiffies64+0x105/0x260 kernel/time/tick-sched.c:73
 tick_sched_do_timer+0xd4/0xe0 kernel/time/tick-sched.c:138
 tick_sched_timer+0x43/0xe0 kernel/time/tick-sched.c:1289
 __run_hrtimer kernel/time/hrtimer.c:1389 [inline]
 __hrtimer_run_queues+0x288/0x600 kernel/time/hrtimer.c:1451
 hrtimer_interrupt+0x22a/0x480 kernel/time/hrtimer.c:1509
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0xdc/0x280 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 __read_once_size include/linux/compiler.h:227 [inline]
 check_kcov_mode kernel/kcov.c:70 [inline]
 write_comp_data+0x1e/0x70 kernel/kcov.c:123
 check_bogus_address mm/usercopy.c:154 [inline]
 __check_object_size+0xbb/0x33f mm/usercopy.c:260
 check_object_size include/linux/thread_info.h:119 [inline]
 check_copy_size include/linux/thread_info.h:150 [inline]
 copy_to_iter include/linux/uio.h:135 [inline]
 simple_copy_to_iter+0x31/0x60 net/core/datagram.c:515
 __skb_datagram_iter+0x28a/0x470 net/core/datagram.c:445
 skb_copy_datagram_iter+0x66/0x170 net/core/datagram.c:529
 skb_copy_datagram_msg include/linux/skbuff.h:3426 [inline]
 tcp_recvmsg+0x106c/0x1a30 net/ipv4/tcp.c:2132
 inet_recvmsg+0xbb/0x250 net/ipv4/af_inet.c:838

read to 0xffffffff8603f008 of 8 bytes by task 0 on cpu 0:
 tick_do_update_jiffies64+0x2b/0x260 kernel/time/tick-sched.c:62
 tick_nohz_update_jiffies kernel/time/tick-sched.c:505 [inline]
 tick_nohz_irq_enter kernel/time/tick-sched.c:1254 [inline]
 tick_irq_enter+0x139/0x1c0 kernel/time/tick-sched.c:1271
 irq_enter+0x4f/0x60 kernel/softirq.c:354
 entering_irq arch/x86/include/asm/apic.h:518 [inline]
 do_IRQ+0x55/0x150 arch/x86/kernel/irq.c:240
 ret_from_intr+0x0/0x19
 native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
 arch_cpu_idle+0x1f/0x30 arch/x86/kernel/process.c:571
 default_idle_call+0x1e/0x40 kernel/sched/idle.c:94
 cpuidle_idle_call kernel/sched/idle.c:154 [inline]
 do_idle+0x1ea/0x2c0 kernel/sched/idle.c:263
 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354
 rest_init+0xec/0xf6 init/main.c:452
 arch_call_rest_init+0x17/0x37
 start_kernel+0x83e/0x864 init/main.c:787

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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