==================================================================
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
 arch_local_irq_restore arch/x86/include/asm/paravirt.h:768 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irqrestore+0x51/0x80 kernel/locking/spinlock.c:191
 spin_unlock_irqrestore include/linux/spinlock.h:393 [inline]
 klist_next+0x134/0x230 lib/klist.c:401
 class_dev_iter_next+0x68/0x90 drivers/base/class.c:310
 class_find_device+0xe0/0x170 drivers/base/class.c:414

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
 arch_local_irq_enable arch/x86/include/asm/paravirt.h:778 [inline]
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
 _raw_spin_unlock_irq+0x4e/0x80 kernel/locking/spinlock.c:199
 finish_lock_switch kernel/sched/core.c:3004 [inline]
 finish_task_switch+0x7b/0x260 kernel/sched/core.c:3104
 context_switch kernel/sched/core.c:3257 [inline]
 __schedule+0x2ed/0x5d0 kernel/sched/core.c:3880
 preempt_schedule_common+0x37/0x90 kernel/sched/core.c:4028
 preempt_schedule+0x30/0x40 kernel/sched/core.c:4054
 ___preempt_schedule+0x16/0x20 arch/x86/entry/thunk_64.S:50
 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock+0x55/0x60 kernel/locking/spinlock.c:183
 spin_unlock include/linux/spinlock.h:378 [inline]
 copy_pte_range mm/memory.c:834 [inline]
 copy_pmd_range mm/memory.c:874 [inline]
 copy_pud_range mm/memory.c:908 [inline]
 copy_p4d_range mm/memory.c:930 [inline]
 copy_page_range+0xd9e/0x1860 mm/memory.c:992
 dup_mmap kernel/fork.c:592 [inline]
 dup_mm+0x74a/0xba0 kernel/fork.c:1346

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 7264 Comm: syz-executor.5 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================