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: 458d, last: 5h21m

Sample crash report:

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

write to 0xffffffff838c5320 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:1414
 __run_hrtimer+0x160/0x480 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x380/0xaf0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x6f/0x1c0 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x2d/0x80 arch/x86/kernel/apic/apic.c:1097
 asm_sysvec_apic_timer_interrupt+0x12/0x20

read to 0xffffffff838c5320 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:1414
 __run_hrtimer+0x160/0x480 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x380/0xaf0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x6f/0x1c0 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x64/0x80 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: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+0x2b4/0x760 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+0x1a3/0x250 kernel/sched/idle.c:306
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403
 rest_init+0xee/0x100 init/main.c:733
 arch_call_rest_init+0xa/0xb
 start_kernel+0x5e4/0x669 init/main.c:1141
 secondary_startup_64_no_verify+0xb1/0xbb

value changed: 0xffffffff -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
sd 0:0:1:0: tag#8049 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8049 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8049 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8049 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8049 CDB[20]: ba
sd 0:0:1:0: tag#8051 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8051 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8051 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8051 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8051 CDB[20]: ba
sd 0:0:1:0: tag#8052 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8052 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8052 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8052 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8052 CDB[20]: ba
sd 0:0:1:0: tag#8053 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8053 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8053 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8053 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8053 CDB[20]: ba
sd 0:0:1:0: tag#8054 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK cmd_age=0s
sd 0:0:1:0: tag#8054 CDB: opcode=0xe5 (vendor)
sd 0:0:1:0: tag#8054 CDB[00]: e5 f4 32 73 2f 4e 09 6d 26 e2 c7 35 d1 35 12 1c
sd 0:0:1:0: tag#8054 CDB[10]: 92 1b da 40 b8 58 5b a8 d4 7d 34 f3 90 4c f1 2d
sd 0:0:1:0: tag#8054 CDB[20]: ba

Crashes (526):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci2-upstream-kcsan-gce	2021/09/20 03:47	upstream	20621d2f27a0	70b76c1d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/19 15:39	upstream	d4d016caa4b8	70b76c1d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/19 01:50	upstream	93ff9f13be91	70b76c1d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/18 11:53	upstream	4357f03d6611	70b76c1d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/17 22:26	upstream	ddf21bd8ab98	70b76c1d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/17 05:12	upstream	bdb575f87217	5b989942	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/16 10:36	upstream	ff1ffd71d5f0	07e953c1	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/16 00:22	upstream	80be5998ad63	07e953c1	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/15 07:06	upstream	3ca706c189db	07e953c1	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/14 18:14	upstream	1619b69edce1	07e953c1	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/14 08:15	upstream	d0ee23f9d78b	58d09404	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/14 03:05	upstream	316346243be6	58d09404	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/13 04:40	upstream	6880fa6c5660	3ce60af8	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/12 13:00	upstream	78e709522d2c	3ce60af8	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/12 00:49	upstream	c605c39677b9	3ce60af8	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/11 15:27	upstream	926de8c4326c	3ce60af8	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/11 08:10	upstream	e99f23c5bf59	3ce60af8	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/10 17:51	upstream	bf9f243f23e6	5ae8508a	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/09 14:23	upstream	a3fa7a101dcf	e2776ee4	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/09 04:02	upstream	2d338201d531	e2776ee4	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/08 09:57	upstream	ac08b1c68d1b	e2776ee4	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/07 13:24	upstream	4b93c544e90e	6ca60148	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/03 12:57	upstream	a9c9a6f741cd	d236a457	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/02 20:48	upstream	4ac6d90867a4	d0f0970b	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/09/01 21:43	upstream	835d31d319d9	7eb7e152	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/31 17:15	upstream	b91db6a0b52e	7eb7e152	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/31 03:41	upstream	8596e589b787	8f58a0ef	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/30 21:10	upstream	7d2a07b76933	8f58a0ef	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/28 20:19	upstream	3f5ad13cb012	be2c130d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/27 10:49	upstream	77dd11439b86	b318694d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/27 00:22	upstream	1a6d80ff2419	b318694d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/25 01:56	upstream	6e764bcd1cf7	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/24 09:04	upstream	d5ae8d7f85b7	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/23 02:31	upstream	1bdc3d5be7e1	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/22 12:31	upstream	9ff50bf2f2ff	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/21 23:20	upstream	002c0aef1090	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/21 05:57	upstream	fa54d366a6e4	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/20 19:56	upstream	d992fe5318d8	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/20 02:19	upstream	f87d64319e6f	b599f2fc	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/19 23:01	upstream	f87d64319e6f	e2da378b	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/19 14:26	upstream	d6d09a694205	e2da378b	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/19 00:29	upstream	d6d09a694205	a2fe1cb5	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/18 06:22	upstream	614cb2751d31	a2fe1cb5	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/17 22:32	upstream	794c7931a242	a2fe1cb5	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/17 05:24	upstream	a2824f19e606	33c26cb7	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/16 16:35	upstream	7c60610d4767	6652437d	.config	log	report	info	KCSAN: data-race in tick_sched_timer / tick_sched_timer
ci2-upstream-kcsan-gce	2021/08/16 05:07	upstream	ecf93431963a	2489ab88	.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