==================================================================
BUG: KCSAN: data-race in internal_add_timer / update_process_times

write to 0xffff888237c376d8 of 8 bytes by interrupt on cpu 1:
 enqueue_timer kernel/time/timer.c:598 [inline]
 internal_add_timer+0x146/0x270 kernel/time/timer.c:611
 add_timer_on+0x262/0x2a0 kernel/time/timer.c:1182
 clocksource_watchdog+0xa74/0xac0 kernel/time/clocksource.c:478
 call_timer_fn+0x2e/0x1d0 kernel/time/timer.c:1421
 expire_timers+0x135/0x240 kernel/time/timer.c:1466
 __run_timers+0x358/0x420 kernel/time/timer.c:1734
 run_timer_softirq+0x19/0x30 kernel/time/timer.c:1747
 __do_softirq+0x12c/0x26e kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x9a/0xb0 kernel/softirq.c:636
 sysvec_apic_timer_interrupt+0x69/0x80 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
 arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
 acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:553 [inline]
 acpi_idle_enter+0x258/0x2e0 drivers/acpi/processor_idle.c:688
 cpuidle_enter_state+0x2b6/0x750 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x1a3/0x240 kernel/sched/idle.c:306
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403
 secondary_startup_64_no_verify+0xb0/0xbb

read to 0xffff888237c376d8 of 8 bytes by interrupt on cpu 0:
 run_local_timers kernel/time/timer.c:1761 [inline]
 update_process_times+0x8c/0x150 kernel/time/timer.c:1784
 tick_sched_handle kernel/time/tick-sched.c:226 [inline]
 tick_sched_timer+0x191/0x210 kernel/time/tick-sched.c:1421
 __run_hrtimer+0x160/0x480 kernel/time/hrtimer.c:1537
 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline]
 hrtimer_interrupt+0x380/0xaf0 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0x6f/0x1c0 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0x64/0x80 arch/x86/kernel/apic/apic.c:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
 arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
 acpi_safe_halt drivers/acpi/processor_idle.c:109 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:553 [inline]
 acpi_idle_enter+0x258/0x2e0 drivers/acpi/processor_idle.c:688
 cpuidle_enter_state+0x2b6/0x750 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x1a3/0x240 kernel/sched/idle.c:306
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403
 rest_init+0xee/0x100 init/main.c:719
 arch_call_rest_init+0xa/0xb
 start_kernel+0x5ae/0x633 init/main.c:1125
 secondary_startup_64_no_verify+0xb0/0xbb

value changed: 0x0000000100033828 -> 0x0000000100033807

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
sd 0:0:1:0: [sg0] tag#4644 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#4644 CDB: opcode=0x75 (reserved)
sd 0:0:1:0: [sg0] tag#4644 CDB[00]: 75 68 9d 2d b5 9d 50 2e 99 c5 d5 c3 ca a8 7e 47
sd 0:0:1:0: [sg0] tag#4644 CDB[10]: 9e 83 96 8f d1 ee fb 4b a6 d9 41 a2 2f b9 28 f2
sd 0:0:1:0: [sg0] tag#4644 CDB[20]: f1 6a 60 e1 92 ae 2c b7 af bf 6e 22 e9 fd 0f e9
sd 0:0:1:0: [sg0] tag#4644 CDB[30]: f3 f6 c4 90 df 0b 64 26 85 26 21 42 cd 52 3b 15
sd 0:0:1:0: [sg0] tag#4644 CDB[40]: e8 a6 3a 02 43 60 25 99 d5 ed b2 df 3f
sd 0:0:1:0: [sg0] tag#4645 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#4645 CDB: opcode=0x75 (reserved)
sd 0:0:1:0: [sg0] tag#4645 CDB[00]: 75 68 9d 2d b5 9d 50 2e 99 c5 d5 c3 ca a8 7e 47
sd 0:0:1:0: [sg0] tag#4645 CDB[10]: 9e 83 96 8f d1 ee fb 4b a6 d9 41 a2 2f b9 28 f2
sd 0:0:1:0: [sg0] tag#4645 CDB[20]: f1 6a 60 e1 92 ae 2c b7 af bf 6e 22 e9 fd 0f e9
sd 0:0:1:0: [sg0] tag#4645 CDB[30]: f3 f6 c4 90 df 0b 64 26 85 26 21 42 cd 52 3b 15
sd 0:0:1:0: [sg0] tag#4645 CDB[40]: e8 a6 3a 02 43 60 25 99 d5 ed b2 df 3f
sd 0:0:1:0: [sg0] tag#4650 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#4650 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#4650 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#4650 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#4650 CDB[20]: ba
sd 0:0:1:0: [sg0] tag#4651 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: [sg0] tag#4651 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: [sg0] tag#4651 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: [sg0] tag#4651 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: [sg0] tag#4651 CDB[20]: ba