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: 700d, last: 3h20m

Sample crash report:

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

read to 0xffffffff85ed1ea0 of 4 bytes by interrupt on cpu 1:
 tick_sched_do_timer kernel/time/tick-sched.c:189 [inline]
 tick_sched_timer+0x42/0x2d0 kernel/time/tick-sched.c:1466
 __run_hrtimer+0x132/0x420 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x36e/0xa70 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20
 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:110 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:551 [inline]
 acpi_idle_enter+0x27b/0x300 drivers/acpi/processor_idle.c:686
 cpuidle_enter_state+0x2ee/0x7a0 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x1b2/0x250 kernel/sched/idle.c:303
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400
 start_secondary+0x78/0x80 arch/x86/kernel/smpboot.c:266
 secondary_startup_64_no_verify+0xc4/0xcb

write to 0xffffffff85ed1ea0 of 4 bytes by interrupt on cpu 0:
 tick_sched_do_timer kernel/time/tick-sched.c:193 [inline]
 tick_sched_timer+0x2b0/0x2d0 kernel/time/tick-sched.c:1466
 __run_hrtimer+0x132/0x420 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x36e/0xa70 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0xa3/0x250 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x88/0xb0 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20
 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:110 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:551 [inline]
 acpi_idle_enter+0x27b/0x300 drivers/acpi/processor_idle.c:686
 cpuidle_enter_state+0x2ee/0x7a0 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:155 [inline]
 cpuidle_idle_call kernel/sched/idle.c:236 [inline]
 do_idle+0x1b2/0x250 kernel/sched/idle.c:303
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:400
 rest_init+0xe8/0xf0 init/main.c:726
 start_kernel+0x0/0x669 init/main.c:882
 start_kernel+0x5e4/0x669 init/main.c:1140
 secondary_startup_64_no_verify+0xc4/0xcb

value changed: 0xffffffff -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc7-syzkaller-00119-gb015dcd62b86-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================

Crashes (1056):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci2-upstream-kcsan-gce	2022/05/20 01:19	upstream	b015dcd62b86	cb1ac2e7	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/19 13:39	upstream	f993aed406ea	cb1ac2e7	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/19 06:40	upstream	f993aed406ea	50c53f39	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/18 17:34	upstream	ef1302160bfb	50c53f39	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/18 14:25	upstream	210e04ff7681	50c53f39	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/18 00:30	upstream	210e04ff7681	744a39e2	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/16 04:02	upstream	42226c989789	744a39e2	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/15 14:50	upstream	bc403203d65a	744a39e2	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/15 00:31	upstream	2fe1020d73ca	744a39e2	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/14 13:51	upstream	ec7f49619d8e	744a39e2	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/13 22:18	upstream	f2dd007445b1	107f6434	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/13 08:51	upstream	f3f19f939c11	9ad6612a	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/12 19:10	upstream	0ac824f379fb	9ad6612a	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/12 19:10	upstream	0ac824f379fb	9ad6612a	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/12 16:02	upstream	feb9c5e19e91	9ad6612a	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/11 20:21	upstream	feb9c5e19e91	beb0b407	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/10 23:29	upstream	feb9c5e19e91	8d7b3b67	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/09 17:16	upstream	9be9ed2612b5	8b277b8e	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/09 09:40	upstream	c5eb0a61238d	8b277b8e	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/09 07:37	upstream	c5eb0a61238d	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/09 06:07	upstream	c5eb0a61238d	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/09 03:43	upstream	c5eb0a61238d	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 22:21	upstream	379c72654524	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 21:07	upstream	379c72654524	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 18:46	upstream	379c72654524	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 15:20	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 09:02	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 05:17	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 04:13	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 02:29	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/08 01:12	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 21:37	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 20:30	upstream	30c8e80f7932	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 18:02	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 16:35	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 14:15	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 13:11	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 12:31	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 10:48	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 08:42	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 06:37	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 03:37	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/07 01:16	upstream	4b97bac0756a	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/06 23:54	upstream	64267926e01b	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/06 22:33	upstream	64267926e01b	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/06 21:22	upstream	64267926e01b	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2022/05/06 18:02	upstream	64267926e01b	e60b1103	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/01/16 08:12	upstream	1d94330a437a	65a7a854	.config	log	report	info
ci2-upstream-kcsan-gce	2020/07/29 23:48	upstream	6ba1b005ffc3	233283a1	.config	log	report
ci2-upstream-kcsan-gce	2020/07/29 13:50	upstream	6ba1b005ffc3	19a8de55	.config	log	report
ci2-upstream-kcsan-gce	2020/06/18 22:07	upstream	1b5044021070	3ea11d3f	.config	log	report