cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888026359c00 submitted while active
WARNING: CPU: 0 PID: 12772 at drivers/usb/core/urb.c:379 usb_submit_urb+0xf40/0x17d0 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 12772 Comm: syz.1.3163 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:usb_submit_urb+0xf40/0x17d0 drivers/usb/core/urb.c:379
Code: 6b 8b 44 89 fa e8 40 b1 1c 04 e9 28 fc ff ff e8 06 0d 25 fb c6 05 5f 94 13 08 01 48 c7 c7 00 4f 6b 8b 48 89 de e8 20 c5 ee fa <0f> 0b e9 3a f1 ff ff e8 e4 0c 25 fb eb 11 e8 dd 0c 25 fb bd 80 00
RSP: 0018:ffffc90000007888 EFLAGS: 00010046
RAX: 735b9d1b42872f00 RBX: ffff888026359c00 RCX: 0000000000040000
RDX: ffffc900020f1000 RSI: 0000000000001ca4 RDI: 0000000000001ca5
RBP: 000000000000000f R08: ffff8880b8e28c13 R09: 1ffff110171c5182
R10: dffffc0000000000 R11: ffffed10171c5183 R12: dffffc0000000000
R13: ffff88805bcc2030 R14: ffff888026359c08 R15: 0000000000000820
FS:  0000555576320500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d611ff8 CR3: 000000002e175000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 cm109_urb_irq_callback+0x705/0xc70 drivers/input/misc/cm109.c:422
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1650
 dummy_timer+0xc04/0x3080 drivers/usb/gadget/udc/dummy_hcd.c:1993
 __run_hrtimer kernel/time/hrtimer.c:1750 [inline]
 __hrtimer_run_queues+0x520/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1831
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 5a fd d8 f6 48 89 df e8 12 d2 d9 f6 e8 dd e2 fd f6 fb bf 01 00 00 00 <e8> f2 d8 cc f6 65 8b 05 63 06 74 75 85 c0 74 02 5b c3 e8 e0 ed 70
RSP: 0018:ffffc9000bc8fb78 EFLAGS: 00000286
RAX: 735b9d1b42872f00 RBX: ffff8880254ec000 RCX: 735b9d1b42872f00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: dffffc0000000000 R08: ffffffff911c3617 R09: 1ffffffff22386c2
R10: dffffc0000000000 R11: fffffbfff22386c3 R12: ffff8880254ecb80
R13: ffffffff8b7a3958 R14: 0000000000000019 R15: 1ffff11004a9d970
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 dummy_udc_stop+0x2c7/0x330 drivers/usb/gadget/udc/dummy_hcd.c:1036
 usb_gadget_udc_stop_locked drivers/usb/gadget/udc/core.c:1253 [inline]
 gadget_unbind_driver+0x28a/0x420 drivers/usb/gadget/udc/core.c:1678
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x468/0x7a0 drivers/base/dd.c:1295
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1358
 bus_remove_driver+0x221/0x2f0 drivers/base/bus.c:744
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1735
 raw_release+0xda/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416
 __fput+0x234/0x970 fs/file_table.c:384
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f184119c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc08498458 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffc08498540 RCX: 00007f184119c799
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000049e7a R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b2c420000 R11: 0000000000000246 R12: 00007ffc08498580
R13: 00007f1841415fac R14: 000000000004a449 R15: 00007f1841415fa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 f3                	add    %dh,%bl
   2:	0f 1e fa             	nop    %edx
   5:	53                   	push   %rbx
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 5a fd d8 f6       	call   0xf6d8fd71
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 12 d2 d9 f6       	call   0xf6d9d231
  1f:	e8 dd e2 fd f6       	call   0xf6fde301
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 f2 d8 cc f6       	call   0xf6ccd921 <-- trapping instruction
  2f:	65 8b 05 63 06 74 75 	mov    %gs:0x75740663(%rip),%eax        # 0x75740699
  36:	85 c0                	test   %eax,%eax
  38:	74 02                	je     0x3c
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	e8                   	.byte 0xe8
  3d:	e0 ed                	loopne 0x2c
  3f:	70                   	.byte 0x70