KCSAN: data-race in tick_sched_timer / tick_sched

KCSAN: data-race in tick_sched_timer / tick_sched_timer
Status: moderation: reported on 2020/07/30 16:33
Reported-by: syzbot+867130cb240c41f15164@syzkaller.appspotmail.com
First crash: 366d, last: 9h15m

Sample crash report:

==================================================================
BUG: KCSAN: data-race in tick_sched_timer / tick_sched_timer

write to 0xffffffff83cbf1d0 of 4 bytes by interrupt on cpu 1:
 tick_sched_do_timer kernel/time/tick-sched.c:191 [inline]
 tick_sched_timer+0x1f5/0x210 kernel/time/tick-sched.c:1367
 __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:647
 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:108 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:513 [inline]
 acpi_idle_enter+0x25b/0x2e0 drivers/acpi/processor_idle.c:648
 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 0xffffffff83cbf1d0 of 4 bytes by interrupt on cpu 0:
 tick_sched_do_timer kernel/time/tick-sched.c:187 [inline]
 tick_sched_timer+0x35/0x210 kernel/time/tick-sched.c:1367
 __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:647
 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:108 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:513 [inline]
 acpi_idle_enter+0x25b/0x2e0 drivers/acpi/processor_idle.c:648
 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+0xc9/0xd0 init/main.c:721
 arch_call_rest_init+0xa/0xb
 start_kernel+0x59e/0x623 init/main.c:1087
 secondary_startup_64_no_verify+0xb0/0xbb

value changed: 0xffffffff -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================

Crashes (413):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci2-upstream-kcsan-gce	2021/06/19 16:06	upstream	9ed13a17	aba2b2fb	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/18 22:39	upstream	b1edae0d	aba2b2fb	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/18 03:24	upstream	fd0aa1a4	aba2b2fb	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/16 09:59	upstream	94f0b2d4	c06f97ad	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/15 23:45	upstream	94f0b2d4	990d3cbe	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/14 10:58	upstream	009c9aa5	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/13 21:49	upstream	e4e45343	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/13 16:16	upstream	8ecfa36c	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/12 15:09	upstream	ad347abe	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/12 05:59	upstream	f21b807c	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/11 09:58	upstream	06af8679	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/11 03:21	upstream	f09eacca	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/10 05:52	upstream	cd1245d7	1ba81399	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/09 13:08	upstream	368094df	84fe5d96	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/09 07:27	upstream	368094df	5c2fe346	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/08 17:40	upstream	4c8684fe	5c2fe346	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/07 22:26	upstream	614124be	b718257f	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/07 16:02	upstream	614124be	e59537be	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/06 20:57	upstream	decad3e1	500c2339	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/06 00:05	upstream	f5b6eb1e	500c2339	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/05 22:34	upstream	9d32fa5d	500c2339	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/05 02:57	upstream	16f0596f	500c2339	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/04 15:04	upstream	f88cd3fb	966a236b	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/04 07:59	upstream	f88cd3fb	0740de69	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/03 14:52	upstream	324c92e5	0740de69	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/06/02 11:41	upstream	231bc539	0740de69	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/31 18:05	upstream	c2131f7e	032639db	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/31 15:50	upstream	8124c8a6	032639db	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/31 02:13	upstream	8124c8a6	325a8dab	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/29 20:24	upstream	f956cb99	325a8dab	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/29 16:40	upstream	6799d4f2	325a8dab	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/29 10:38	upstream	6799d4f2	858ea628	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/28 19:18	upstream	5ff2756a	858ea628	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/28 05:17	upstream	97e5bf60	858ea628	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/27 16:55	upstream	d7c5303f	858ea628	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/27 08:50	upstream	7ac3a1c1	858ea628	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/26 18:03	upstream	ad9f25d3	750ce164	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/26 03:58	upstream	a050a6d2	93d3a9f6	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/24 13:37	upstream	c4681547	3c7fef33	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/24 05:43	upstream	6ebb6814	3c7fef33	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/23 10:00	upstream	4d762034	3c7fef33	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/23 01:57	upstream	23d72926	3c7fef33	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/22 07:19	upstream	45af60e7	3c7fef33	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/05/21 21:15	upstream	79a106fc	3c7fef33	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/01/16 08:12	upstream	1d94330a	65a7a854	.config	log	report	info
ci2-upstream-kcsan-gce	2020/07/29 23:48	upstream	6ba1b005	233283a1	.config	log	report
ci2-upstream-kcsan-gce	2020/07/29 13:50	upstream	6ba1b005	19a8de55	.config	log	report
ci2-upstream-kcsan-gce	2020/06/18 22:07	upstream	1b504402	3ea11d3f	.config	log	report