KCSAN: data-race in handle_irq_event / synchronize

KCSAN: data-race in handle_irq_event / synchronize_irq
Status: moderation: reported on 2020/12/07 11:24
Reported-by: syzbot+f4b8dc5f4e026528d301@syzkaller.appspotmail.com
First crash: 298d, last: 18h53m

Sample crash report:

==================================================================
BUG: KCSAN: data-race in handle_irq_event / synchronize_irq

write to 0xffff8881000eb600 of 4 bytes by interrupt on cpu 0:
 irqd_clear kernel/irq/internals.h:225 [inline]
 handle_irq_event+0x12a/0x160 kernel/irq/handle.c:216
 handle_edge_irq+0x17e/0x600 kernel/irq/chip.c:819
 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
 handle_irq arch/x86/kernel/irq.c:231 [inline]
 __common_interrupt+0x38/0xb0 arch/x86/kernel/irq.c:250
 common_interrupt+0x73/0x90 arch/x86/kernel/irq.c:240
 asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:623
 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:111 [inline]
 acpi_idle_do_entry drivers/acpi/processor_idle.c:517 [inline]
 acpi_idle_enter+0x25b/0x2e0 drivers/acpi/processor_idle.c:652
 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+0x193/0x230 kernel/sched/idle.c:300
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:397
 rest_init+0xc9/0xd0 init/main.c:721
 arch_call_rest_init+0xa/0xb
 start_kernel+0x59e/0x623 init/main.c:1064
 secondary_startup_64_no_verify+0xb0/0xbb

read to 0xffff8881000eb600 of 4 bytes by task 19419 on cpu 1:
 irqd_irq_inprogress include/linux/irq.h:354 [inline]
 __synchronize_hardirq kernel/irq/manage.c:51 [inline]
 synchronize_irq+0xa6/0x2e0 kernel/irq/manage.c:132
 serial8250_do_shutdown+0xc5/0x540 drivers/tty/serial/8250/8250_port.c:2447
 serial8250_shutdown+0x37/0x40 drivers/tty/serial/8250/8250_port.c:2493
 uart_port_shutdown drivers/tty/serial/serial_core.c:1709 [inline]
 uart_tty_port_shutdown+0xd6/0x1d0 drivers/tty/serial/serial_core.c:1581
 tty_port_shutdown drivers/tty/tty_port.c:330 [inline]
 tty_port_close+0x166/0x210 drivers/tty/tty_port.c:636
 uart_close+0x4c/0x110 drivers/tty/serial/serial_core.c:1562
 tty_release+0x255/0xa10 drivers/tty/tty_io.c:1779
 __fput+0x25b/0x4e0 fs/file_table.c:280
 ____fput+0x11/0x20 fs/file_table.c:313
 task_work_run+0xae/0x130 kernel/task_work.c:140
 get_signal+0x154d/0x15d0 kernel/signal.c:2554
 arch_do_signal_or_restart+0x2a/0x220 arch/x86/kernel/signal.c:789
 handle_signal_work kernel/entry/common.c:147 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:171 [inline]
 exit_to_user_mode_prepare+0x104/0x170 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:301
 do_syscall_64+0x40/0x50 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 19419 Comm: syz-executor.2 Not tainted 5.12.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================

Crashes (79):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci2-upstream-kcsan-gce	2021/04/20 13:58	upstream	7af08140	c0ced557	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/19 19:48	upstream	bf05bf16	4285c989	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/19 00:04	upstream	bf05bf16	7e2b734b	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/18 21:16	upstream	c98ff1d0	7e2b734b	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/17 08:15	upstream	9cdbf646	7e2b734b	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/17 01:14	upstream	2f7b98d1	7e2b734b	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/16 06:19	upstream	7e25f40e	c59079a6	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/14 06:03	upstream	eebe426d	a184b83e	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/13 19:46	upstream	89698bec	a184b83e	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/10 11:41	upstream	4e04e751	6a81331a	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/09 14:47	upstream	17e7124a	6a81331a	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/08 23:45	upstream	3fb4f979	6a81331a	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/04/07 21:36	upstream	3a229812	6a81331a	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/31 22:31	upstream	d19cc4bf	6a81331a	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/30 01:21	upstream	1e43c377	6a81331a	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/27 03:58	upstream	0f4498ce	a8529b82	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/26 01:42	upstream	00232240	6a383ecf	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/23 02:26	upstream	0d02ec6b	8092f30d	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/21 18:07	upstream	812da4d3	4c9a64da	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/16 21:48	upstream	1df27313	fdb2bb2c	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/03/06 15:50	upstream	a38fd874	e4b4d570	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/02/22 01:41	upstream	55f62bc8	a659b3f1	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/02/06 21:06	upstream	1e0d27fc	0655e081	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/02/04 09:02	upstream	3afe9076	624dad51	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/01/29 13:16	upstream	bec4c296	6593fd32	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/01/22 10:27	upstream	83d09ad4	d4f4eca5	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/01/20 14:47	upstream	45dfb8a5	d4f4eca5	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/01/19 23:43	upstream	1e2a199f	63631df1	.config	log	report	info	KCSAN: data-race in handle_irq_event / synchronize_irq
ci2-upstream-kcsan-gce	2021/01/11 13:42	upstream	7c53f6b6	2c1f2513	.config	log	report	info
ci2-upstream-kcsan-gce	2021/01/09 08:46	upstream	6279d812	c104d4a3	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/26 17:41	upstream	40f78232	821e0b09	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/25 10:22	upstream	71c5f031	b982b3ea	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/24 20:49	upstream	58cf05f5	c2c1d1dd	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/23 07:36	upstream	614cb589	04201c06	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/22 05:43	upstream	8653b778	04201c06	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/21 08:03	upstream	6a447b0e	04201c06	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/18 07:17	upstream	d64c6f96	04201c06	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/17 05:26	upstream	5e60366d	04201c06	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/15 16:22	upstream	148842c9	97183ed7	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/05 12:34	upstream	b3298500	0ef84591	.config	log	report	info
ci2-upstream-kcsan-gce	2020/12/02 20:16	upstream	509a1542	eff43e99	.config	log	report	info
ci2-upstream-kcsan-gce	2020/11/27 18:28	upstream	85a2c56c	486f93ef	.config	log	report	info
ci2-upstream-kcsan-gce	2020/11/12 20:07	upstream	af5043c8	77a55c8e	.config	log	report	info
ci2-upstream-kcsan-gce	2020/11/11 19:07	upstream	eccc8767	cca87986	.config	log	report	info
ci2-upstream-kcsan-gce	2020/11/09 11:49	upstream	f8394f23	cba33199	.config	log	report	info
ci2-upstream-kcsan-gce	2020/11/06 00:43	upstream	521b619a	cba33199	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/31 13:57	upstream	5fc6b075	8bc4594f	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/30 01:33	upstream	23859ae4	a0c7169a	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/25 08:16	upstream	d7691390	a1839e81	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/23 02:38	upstream	96485e44	4e740c00	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/21 16:02	upstream	c4d6fe73	99c64d5c	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/14 15:27	upstream	b5fc7a89	fc7735a2	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/05 23:33	upstream	7575fdda	1880b4a9	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/05 04:05	upstream	549738f1	5ef9c291	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/03 10:59	upstream	d3d45f82	2653fa43	.config	log	report	info
ci2-upstream-kcsan-gce	2020/10/02 04:00	upstream	fcadab74	9602ddf4	.config	log	report	info
ci2-upstream-kcsan-gce	2020/09/25 16:22	upstream	171d4ff7	4a006f63	.config	log	report	info
ci2-upstream-kcsan-gce	2020/09/25 02:35	upstream	171d4ff7	54289b08	.config	log	report	info
ci2-upstream-kcsan-gce	2020/09/23 11:12	upstream	805c6d3c	287cd75a	.config	log	report	info
ci2-upstream-kcsan-gce	2020/09/18 22:26	upstream	92ab97ad	53ce8104	.config	log	report	info
ci2-upstream-kcsan-gce	2020/09/15 21:50	upstream	fc4f28bb	18d7d030	.config	log	report	info
ci2-upstream-kcsan-gce	2020/09/11 10:53	upstream	581cb3a2	adfb8b4e	.config	log	report
ci2-upstream-kcsan-gce	2020/09/10 02:53	upstream	34d4ddd3	ac7ca78e	.config	log	report
ci2-upstream-kcsan-gce	2020/09/09 06:17	upstream	34d4ddd3	0ea7a887	.config	log	report
ci2-upstream-kcsan-gce	2020/09/06 20:59	upstream	dd9fb9bb	abf9ba4f	.config	log	report
ci2-upstream-kcsan-gce	2020/09/05 09:10	upstream	c70672d8	abf9ba4f	.config	log	report
ci2-upstream-kcsan-gce	2020/09/03 16:42	upstream	fc3abb53	abf9ba4f	.config	log	report
ci2-upstream-kcsan-gce	2020/09/01 23:01	upstream	b765a32a	abf9ba4f	.config	log	report
ci2-upstream-kcsan-gce	2020/08/29 21:44	upstream	4d41ead6	d5a3ae1f	.config	log	report
ci2-upstream-kcsan-gce	2020/08/21 00:37	upstream	da2968ff	70160577	.config	log	report
ci2-upstream-kcsan-gce	2020/08/13 22:08	upstream	990f2273	ee7cb8b6	.config	log	report
ci2-upstream-kcsan-gce	2020/08/02 15:34	upstream	ac3a0c84	96dd3623	.config	log	report
ci2-upstream-kcsan-gce	2020/07/30 14:03	upstream	83bdc727	b0947553	.config	log	report
ci2-upstream-kcsan-gce	2020/07/25 16:07	upstream	23ee3e4e	1f7cc1ca	.config	log	report
ci2-upstream-kcsan-gce	2020/07/16 03:29	upstream	994e99a9	ada108d0	.config	log	report
ci2-upstream-kcsan-gce	2020/07/12 11:39	upstream	0aea6d5c	115e1930	.config	log	report
ci2-upstream-kcsan-gce	2020/07/04 15:09	upstream	35e884f8	4f739670	.config	log	report
ci2-upstream-kcsan-gce	2020/06/27 19:51	upstream	6116dea8	a2cdad9d	.config	log	report
ci2-upstream-kcsan-gce	2020/06/27 06:18	upstream	1590a2e1	ffec44b5	.config	log	report