linux-4.9.y boot error: WARNING in cpumask

Switched APIC routing to physical x2apic.
..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at ./include/linux/cpumask.h:121 cpumask_check.part.0+0x1c/0x20 include/linux/cpumask.h:121
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.194 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff88012b077860 ffffffff82b5c95e ffffffff87c27e40 fffffbfff0d98fc4
 0000000000000000 ffffffff85c8fd80 00000000ffffffff 0000000000000000
 0000000000000009 ffff88012b077920 ffffffff816724f4 0000000041b58ab3
Call Trace:
 [<ffffffff82b5c95e>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff82b5c95e>] dump_stack+0x138/0x19a lib/dump_stack.c:51
 [<ffffffff816724f4>] panic+0x1f2/0x421 kernel/panic.c:180
 [<ffffffff81672780>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<ffffffff81370ffd>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589
 [<ffffffff813f5a2c>] cpumask_check.part.0+0x1c/0x20 include/linux/cpumask.h:121
 [<ffffffff81405d93>] cpumask_check include/linux/cpumask.h:121 [inline]
 [<ffffffff81405d93>] cpumask_test_cpu include/linux/cpumask.h:317 [inline]
 [<ffffffff81405d93>] select_task_rq kernel/sched/core.c:1618 [inline]
 [<ffffffff81405d93>] try_to_wake_up+0x9c3/0xd30 kernel/sched/core.c:2089
 [<ffffffff81406110>] wake_up_process+0x10/0x20 kernel/sched/core.c:2166
 [<ffffffff813c2523>] create_worker+0x3a3/0x530 kernel/workqueue.c:1795
 [<ffffffff813c78b8>] get_unbound_pool kernel/workqueue.c:3362 [inline]
 [<ffffffff813c78b8>] alloc_unbound_pwq+0x748/0xbc0 kernel/workqueue.c:3509
 [<ffffffff813cf749>] apply_wqattrs_prepare+0x499/0x970 kernel/workqueue.c:3658
 [<ffffffff813cfcc7>] apply_workqueue_attrs_locked+0xa7/0x140 kernel/workqueue.c:3735
 [<ffffffff813d0a41>] apply_workqueue_attrs+0x31/0x50 kernel/workqueue.c:3768
 [<ffffffff813d3754>] alloc_and_link_pwqs kernel/workqueue.c:3890 [inline]
 [<ffffffff813d3754>] __alloc_workqueue_key+0x564/0xe80 kernel/workqueue.c:3965
 [<ffffffff877cd083>] init_workqueues+0x9b0/0xb47 kernel/workqueue.c:5573
 [<ffffffff81002310>] do_one_initcall+0xa0/0x220 init/main.c:780
 [<ffffffff87774b9b>] do_pre_smp_initcalls init/main.c:880 [inline]
 [<ffffffff87774b9b>] kernel_init_freeable+0x2ee/0x532 init/main.c:1010
 [<ffffffff85b79f24>] kernel_init+0x12/0x15e init/main.c:946
 [<ffffffff85b9474a>] ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:375
Rebooting in 86400 seconds..

Crashes (611):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Manager
2019/09/23 13:58	linux-4.9.y	1b2be6d75ad9	1e9788a0	.config	console log	report	ci2-linux-4-9
2019/09/21 05:44	linux-4.9.y	1b2be6d75ad9	d96e88f3	.config	console log	report	ci2-linux-4-9
2019/09/20 08:30	linux-4.9.y	779cde69dcc0	d96e88f3	.config	console log	report	ci2-linux-4-9
2019/09/19 20:27	linux-4.9.y	779cde69dcc0	4d3ae0b7	.config	console log	report	ci2-linux-4-9
2019/09/19 20:27	linux-4.9.y	779cde69dcc0	4d3ae0b7	.config	console log	report	ci2-linux-4-9
2019/09/19 08:29	linux-4.9.y	779cde69dcc0	eb940044	.config	console log	report	ci2-linux-4-9
2019/09/18 16:02	linux-4.9.y	779cde69dcc0	46c0be24	.config	console log	report	ci2-linux-4-9
2019/09/18 13:16	linux-4.9.y	779cde69dcc0	1037b424	.config	console log	report	ci2-linux-4-9
2019/09/18 11:39	linux-4.9.y	779cde69dcc0	c2dcd700	.config	console log	report	ci2-linux-4-9
2019/09/17 23:24	linux-4.9.y	779cde69dcc0	03e0d245	.config	console log	report	ci2-linux-4-9
2019/09/17 11:22	linux-4.9.y	779cde69dcc0	13dcda9b	.config	console log	report	ci2-linux-4-9
2019/09/16 20:29	linux-4.9.y	779cde69dcc0	51ca0454	.config	console log	report	ci2-linux-4-9
2019/09/16 20:29	linux-4.9.y	779cde69dcc0	51ca0454	.config	console log	report	ci2-linux-4-9
2019/09/16 08:10	linux-4.9.y	779cde69dcc0	55c50e70	.config	console log	report	ci2-linux-4-9
2019/09/16 06:44	linux-4.9.y	779cde69dcc0	32d59357	.config	console log	report	ci2-linux-4-9
2019/09/13 14:55	linux-4.9.y	5ce2e060020b	32d59357	.config	console log	report	ci2-linux-4-9
2019/09/13 00:43	linux-4.9.y	5ce2e060020b	40fa42bc	.config	console log	report	ci2-linux-4-9
2019/09/12 08:20	linux-4.9.y	5ce2e060020b	0b7672ee	.config	console log	report	ci2-linux-4-9
2019/09/11 19:57	linux-4.9.y	5ce2e060020b	f4e53c10	.config	console log	report	ci2-linux-4-9
2019/09/10 09:49	linux-4.9.y	5ce2e060020b	a60cb4cd	.config	console log	report	ci2-linux-4-9
2019/09/07 02:59	linux-4.9.y	bf489db05ebf	a60cb4cd	.config	console log	report	ci2-linux-4-9
2019/09/06 14:55	linux-4.9.y	bf489db05ebf	acb5b744	.config	console log	report	ci2-linux-4-9
2019/09/06 08:49	linux-4.9.y	bf489db05ebf	c16be727	.config	console log	report	ci2-linux-4-9
2019/09/06 02:52	linux-4.9.y	228e87c35b6c	c16be727	.config	console log	report	ci2-linux-4-9
2019/09/05 14:55	linux-4.9.y	228e87c35b6c	bf6bcce4	.config	console log	report	ci2-linux-4-9
2019/09/04 23:57	linux-4.9.y	228e87c35b6c	040fda58	.config	console log	report	ci2-linux-4-9
2019/09/04 23:57	linux-4.9.y	228e87c35b6c	040fda58	.config	console log	report	ci2-linux-4-9
2019/09/04 11:59	linux-4.9.y	228e87c35b6c	d994512d	.config	console log	report	ci2-linux-4-9
2019/09/03 23:50	linux-4.9.y	228e87c35b6c	526709ff	.config	console log	report	ci2-linux-4-9
2019/09/03 11:48	linux-4.9.y	228e87c35b6c	48448e71	.config	console log	report	ci2-linux-4-9
2019/09/02 16:25	linux-4.9.y	228e87c35b6c	14544a56	.config	console log	report	ci2-linux-4-9
2019/08/31 13:38	linux-4.9.y	228e87c35b6c	bad3cce2	.config	console log	report	ci2-linux-4-9
2019/08/31 01:36	linux-4.9.y	228e87c35b6c	bcd7bcc2	.config	console log	report	ci2-linux-4-9
2019/08/30 13:32	linux-4.9.y	228e87c35b6c	9adfa876	.config	console log	report	ci2-linux-4-9
2019/08/30 13:32	linux-4.9.y	228e87c35b6c	9adfa876	.config	console log	report	ci2-linux-4-9
2019/08/29 10:09	linux-4.9.y	228e87c35b6c	cd626f3b	.config	console log	report	ci2-linux-4-9
2019/08/28 22:07	linux-4.9.y	228e87c35b6c	40203c15	.config	console log	report	ci2-linux-4-9
2019/08/28 10:04	linux-4.9.y	228e87c35b6c	1eb076e9	.config	console log	report	ci2-linux-4-9
2019/08/27 22:03	linux-4.9.y	228e87c35b6c	fd37b39e	.config	console log	report	ci2-linux-4-9
2019/08/25 09:22	linux-4.9.y	228e87c35b6c	d21c5d9d	.config	console log	report	ci2-linux-4-9
2019/08/24 21:05	linux-4.9.y	4bd718dba658	d21c5d9d	.config	console log	report	ci2-linux-4-9
2019/08/23 13:12	linux-4.9.y	4bd718dba658	78ded196	.config	console log	report	ci2-linux-4-9
2019/08/23 01:10	linux-4.9.y	4bd718dba658	ca6f3cfa	.config	console log	report	ci2-linux-4-9
2019/08/22 13:05	linux-4.9.y	4bd718dba658	c6c81a0b	.config	console log	report	ci2-linux-4-9
2019/04/11 10:31	linux-4.9.y	e93d4749118f	e955ac50	.config	console log	report	ci2-linux-4-9

Crashes (611):

Time

Assets (help?)