cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888033a4d200 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x7b/0x18b0 drivers/usb/core/urb.c:379, CPU#0: syz.5.1970/12342
Modules linked in:
CPU: 0 UID: 0 PID: 12342 Comm: syz.5.1970 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:usb_submit_urb+0x7e/0x18b0 drivers/usb/core/urb.c:379
Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 17 49 eb fa 49 83 3e 00 74 40 e8 4c d3 81 fa 48 8d 3d e5 62 1d 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 31 d3 81 fa eb 05 e8 2a d3
RSP: 0018:ffffc90000007a00 EFLAGS: 00010087
RAX: ffffffff874498a4 RBX: ffff888033a4d200 RCX: 0000000000040000
RDX: ffffc900020a1000 RSI: ffff888033a4d200 RDI: ffffffff9061fb90
RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000000f40 R12: 0000000000000820
R13: ffff8880262f3030 R14: ffff888033a4d208 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888124fe8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34123ffc CR3: 0000000070824000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
 cm109_urb_irq_callback+0x6e2/0xc90 drivers/input/misc/cm109.c:431
 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1657
 dummy_timer+0xbc0/0x4650 drivers/usb/gadget/udc/dummy_hcd.c:2005
 __run_hrtimer kernel/time/hrtimer.c:1930 [inline]
 __hrtimer_run_queues+0x3c0/0xa20 kernel/time/hrtimer.c:1994
 hrtimer_run_softirq+0x17a/0x240 kernel/time/hrtimer.c:2011
 handle_softirqs+0x22a/0x840 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x220 kernel/softirq.c:735
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:198
Code: f7 e8 6d fc e2 f5 f7 c3 00 02 00 00 74 05 e8 30 64 0e f6 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 64 95 d4 f5 65 8b 05 8d 68 a3 07 85 c0 74 18 5b 41 5e c3 cc cc
RSP: 0018:ffffc90002ef7648 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000202 RCX: 0000000000000001
RDX: 0000000000000006 RSI: ffffffff8e26437d RDI: 0000000000000001
RBP: ffffc90002ef7728 R08: ffffffff905499f7 R09: 1ffffffff20a933e
R10: dffffc0000000000 R11: fffffbfff20a933f R12: ffff88802a2e7118
R13: ffff88802a2e7100 R14: ffffffff8f8a07c0 R15: 0000000000000001
 spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
 usb_hcd_poll_rh_status+0x40c/0x620 drivers/usb/core/hcd.c:758
 dummy_pullup+0xde/0x120 drivers/usb/gadget/udc/dummy_hcd.c:918
 usb_gadget_disconnect_locked+0x143/0x4a0 drivers/usb/gadget/udc/core.c:780
 gadget_unbind_driver+0xc7/0x450 drivers/usb/gadget/udc/core.c:1685
 device_remove drivers/base/dd.c:631 [inline]
 __device_release_driver drivers/base/dd.c:1344 [inline]
 device_release_driver_internal+0x46f/0x870 drivers/base/dd.c:1367
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1430
 bus_remove_driver+0x226/0x320 drivers/base/bus.c:825
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1751
 raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
 __fput+0x44f/0xa70 fs/file_table.c:469
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x70f/0x22c0 kernel/exit.c:974
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1116
 get_signal+0x1284/0x1330 kernel/signal.c:3036
 arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x86/0x480 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:269 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:328 [inline]
 ret_from_fork+0x593/0xb70 arch/x86/kernel/process.c:167
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 f0                	mov    %esi,%eax
   2:	48 c1 e8 03          	shr    $0x3,%rax
   6:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
   b:	74 08                	je     0x15
   d:	4c 89 f7             	mov    %r14,%rdi
  10:	e8 17 49 eb fa       	call   0xfaeb492c
  15:	49 83 3e 00          	cmpq   $0x0,(%r14)
  19:	74 40                	je     0x5b
  1b:	e8 4c d3 81 fa       	call   0xfa81d36c
  20:	48 8d 3d e5 62 1d 09 	lea    0x91d62e5(%rip),%rdi        # 0x91d630c
  27:	48 89 de             	mov    %rbx,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	b8 f0 ff ff ff       	mov    $0xfffffff0,%eax
  34:	eb 11                	jmp    0x47
  36:	e8 31 d3 81 fa       	call   0xfa81d36c
  3b:	eb 05                	jmp    0x42
  3d:	e8                   	.byte 0xe8
  3e:	2a d3                	sub    %bl,%dl