------------[ cut here ]------------
WARNING: CPU: 2 PID: 0 at kernel/workqueue.c:1725 __queue_work+0xb4b/0x1050 kernel/workqueue.c:1724
Modules linked in:
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.6.0-rc2-syzkaller-00018-g2cf0f7156238 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__queue_work+0xb4b/0x1050 kernel/workqueue.c:1724
Code: 03 38 d0 7c 09 84 d2 74 05 e8 81 ad 86 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 b2 c2 31 00 85 db 0f 85 7f 01 00 00 e8 35 c7 31 00 <0f> 0b e9 ca fa ff ff e8 29 c7 31 00 0f 0b e9 7b fa ff ff e8 1d c7
RSP: 0018:ffffc90000a48c28 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: 0000000000000100
RDX: ffff8880152bc4c0 RSI: ffffffff8154fe1b RDI: 0000000000000005
RBP: ffffc90000a48ce0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000000 R12: ffff88803d804bc0
R13: 1ffff92000149196 R14: ffffffff81550870 R15: ffff888027c60400
FS:  0000000000000000(0000) GS:ffff88806b800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055caadb5d300 CR3: 000000002fbc1000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x19e/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1746 [inline]
 __run_timers+0x585/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1074
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:750
Code: 89 07 49 c7 c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 76 ff ff ff cc cc cc cc f3 0f 1e fa 66 90 0f 00 2d e3 4a 49 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 65
RSP: 0018:ffffc90000387e10 EFLAGS: 00000246
RAX: 00000000000810b7 RBX: 0000000000000002 RCX: ffffffff8a3d484e
RDX: 0000000000000000 RSI: ffffffff8a8c9ba0 RDI: ffffffff8ae90a60
RBP: ffffed1002a57898 R08: 0000000000000001 R09: ffffed100d706dbd
R10: ffff88806b836deb R11: 0000000000000000 R12: 0000000000000002
R13: ffff8880152bc4c0 R14: ffffffff8ecd8090 R15: 0000000000000000
 default_idle_call+0x67/0xa0 kernel/sched/idle.c:97
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x32e/0x3f0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 start_secondary+0x20e/0x2a0 arch/x86/kernel/smpboot.c:326
 secondary_startup_64_no_verify+0x166/0x16b
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 07                	mov    %eax,(%rdi)
   2:	49 c7 c0 08 00 00 00 	mov    $0x8,%r8
   9:	4d 29 c8             	sub    %r9,%r8
   c:	4c 01 c7             	add    %r8,%rdi
   f:	4c 29 c2             	sub    %r8,%rdx
  12:	e9 76 ff ff ff       	jmp    0xffffff8d
  17:	cc                   	int3
  18:	cc                   	int3
  19:	cc                   	int3
  1a:	cc                   	int3
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d e3 4a 49 00 	verw   0x494ae3(%rip)        # 0x494b0b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	fa                   	cli <-- trapping instruction
  2b:	c3                   	ret
  2c:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  33:	00 00 00 00
  37:	0f 1f 40 00          	nopl   0x0(%rax)
  3b:	f3 0f 1e fa          	endbr64
  3f:	65                   	gs