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BUG: KCSAN: data-race in __run_hrtimer kernel/time/hrtimer.c:1360 [inline] and hrtimer_active+0x84/0x1a0
BUG: KCSAN: data-race in __hrtimer_run_queues+0x1f2/0x600 kernel/time/hrtimer.c:1451 and hrtimer_active+0x84/0x1a0

read to 0xffff88812be1d818 of 8 bytes by interrupt on cpu 1:
 hrtimer_active+0x84/0x1a0 kernel/time/hrtimer.c:1321
 entity_tick kernel/sched/fair.c:4301 [inline]
 task_tick_fair+0x4c/0x920 kernel/sched/fair.c:9977
 scheduler_tick+0x5c/0xe0 kernel/sched/core.c:3471
 update_process_times+0x5f/0x80 kernel/time/timer.c:1644
 tick_sched_handle+0x75/0x100 kernel/time/tick-sched.c:167
 tick_sched_timer+0x58/0xe0 kernel/time/tick-sched.c:1296
 __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
 matching_access kernel/kcsan/encoding.h:89 [inline]
 find_watchpoint kernel/kcsan/core.c:93 [inline]
 __kcsan_check_watchpoint+0x7c/0x180 kernel/kcsan/core.c:322
 __tsan_read8+0x15/0x30 kernel/kcsan/kcsan.c:31
 pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:659 [inline]
 queued_spin_unlock arch/x86/include/asm/qspinlock.h:55 [inline]
 do_raw_spin_unlock include/linux/spinlock.h:210 [inline]
 __raw_spin_unlock include/linux/spinlock_api_smp.h:151 [inline]
 _raw_spin_unlock+0x1d/0x60 kernel/locking/spinlock.c:183
 spin_unlock include/linux/spinlock.h:378 [inline]
 get_next_corpse net/netfilter/nf_conntrack_core.c:2013 [inline]
 nf_ct_iterate_cleanup+0x113/0x2e0 net/netfilter/nf_conntrack_core.c:2037

write to 0xffff88812be1d818 of 8 bytes by interrupt on cpu 0:
 __run_hrtimer kernel/time/hrtimer.c:1360 [inline]
 __hrtimer_run_queues+0x1f2/0x600 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
 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
 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:472

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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