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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
 watchpoint_slot kernel/kcsan/encoding.h:82 [inline]
 find_watchpoint kernel/kcsan/core.c:74 [inline]
 __kcsan_check_watchpoint+0x71/0x180 kernel/kcsan/core.c:322
 __tsan_read4+0x15/0x30 kernel/kcsan/kcsan.c:30
 jhash2 include/linux/jhash.h:127 [inline]
 __flow_hash_words net/core/flow_dissector.c:1345 [inline]
 __flow_hash_from_keys net/core/flow_dissector.c:1446 [inline]
 flow_hash_from_keys+0x1b9/0x5b0 net/core/flow_dissector.c:1457
 __get_hash_from_flowi6+0x146/0x160 net/core/flow_dissector.c:1630

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
 schedule+0x47/0xd0 kernel/sched/core.c:3947
 freezable_schedule include/linux/freezer.h:172 [inline]
 do_nanosleep+0x111/0x330 kernel/time/hrtimer.c:1679
 hrtimer_nanosleep+0x1c1/0x3e0 kernel/time/hrtimer.c:1733
 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline]
 __x64_sys_nanosleep+0x106/0x150 kernel/time/hrtimer.c:1754
 do_syscall_64+0xcf/0x2f0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 8051 Comm: syz-executor.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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