cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888112757500 submitted while active
WARNING: drivers/usb/core/urb.c:387 at usb_submit_urb+0x1689/0x19b0 drivers/usb/core/urb.c:387, CPU#1: pr/ttyS0/30
Modules linked in:
CPU: 1 UID: 0 PID: 30 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(lazy) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:usb_submit_urb+0x168c/0x19b0 drivers/usb/core/urb.c:387
Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 70 ff ff ff bb ed ff ff ff e9 ac f1 ff ff e8 be ef a8 fc 48 8d 3d 37 bc 10 06 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 8e f1 ff ff c7 44 24 30 00 00 00
RSP: 0018:ffffc900001a8b00 EFLAGS: 00010087
RAX: 0000000000000505 RBX: ffff888112757500 RCX: ffffc90001202000
RDX: 0000000000040000 RSI: ffff888112757500 RDI: ffffffff8b1ea110
RBP: ffff888134a8b2a0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000083
R13: ffff888114b85058 R14: 000000000000000f R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888268475000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b1de391d4 CR3: 00000000096ae000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
 cm109_urb_irq_callback+0x473/0xa70 drivers/input/misc/cm109.c:431
 __usb_hcd_giveback_urb+0x38e/0x610 drivers/usb/core/hcd.c:1657
 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
 dummy_timer+0xdb5/0x3840 drivers/usb/gadget/udc/dummy_hcd.c:2051
 __run_hrtimer kernel/time/hrtimer.c:2075 [inline]
 __hrtimer_run_queues+0x448/0x9a0 kernel/time/hrtimer.c:2132
 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2149
 handle_softirqs+0x209/0xa00 kernel/softirq.c:669
 __do_softirq kernel/softirq.c:703 [inline]
 invoke_softirq kernel/softirq.c:542 [inline]
 __irq_exit_rcu+0x17a/0x220 kernel/softirq.c:786
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:809
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0x8f/0xb0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:221
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 86 d1 f7 f9 48 89 df e8 0e 28 f8 f9 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 c5 5d ea f9 65 48 83 3d c4 06 90 05 00 74 16 5b
RSP: 0018:ffffc90000207cb0 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffffffff944fbac0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffffff893000fa RDI: ffffffff87d35300
RBP: 0000000000000246 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 205d373132333154 R12: 1ffff92000040f99
R13: ffffffff89ecd880 R14: 0000000000000001 R15: dffffc0000000000
 nbcon_emit_one+0x15c/0x2b0 kernel/printk/nbcon.c:1165
 nbcon_kthread_func+0x5ef/0x7f0 kernel/printk/nbcon.c:1271
 kthread+0x373/0x450 kernel/kthread.c:436
 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 48 8b             	add    %cl,-0x75(%rax)
   3:	04 24                	add    $0x24,%al
   5:	48 8b 90 b0 00 00 00 	mov    0xb0(%rax),%rdx
   c:	e9 70 ff ff ff       	jmp    0xffffff81
  11:	bb ed ff ff ff       	mov    $0xffffffed,%ebx
  16:	e9 ac f1 ff ff       	jmp    0xfffff1c7
  1b:	e8 be ef a8 fc       	call   0xfca8efde
  20:	48 8d 3d 37 bc 10 06 	lea    0x610bc37(%rip),%rdi        # 0x610bc5e
  27:	48 89 de             	mov    %rbx,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bb f0 ff ff ff       	mov    $0xfffffff0,%ebx
  34:	e9 8e f1 ff ff       	jmp    0xfffff1c7
  39:	c7                   	.byte 0xc7
  3a:	44 24 30             	rex.R and $0x30,%al
  3d:	00 00                	add    %al,(%rax)