cm109 7-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888031747f00 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379, CPU#0: syz.6.3591/17950
Modules linked in:
CPU: 0 UID: 0 PID: 17950 Comm: syz.6.3591 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:usb_submit_urb+0xfc1/0x1830 drivers/usb/core/urb.c:379
Code: 44 89 f2 e8 e1 d9 fe f9 e9 13 fc ff ff e8 07 ea 91 fa c6 05 d4 e9 5f 08 01 90 48 c7 c7 40 1a 35 8c 48 89 de e8 20 8e 55 fa 90 <0f> 0b 90 90 e9 b7 f0 ff ff e8 e1 e9 91 fa eb 11 e8 da e9 91 fa bd
RSP: 0018:ffffc90000007868 EFLAGS: 00010046
RAX: e6ec5a1a63e5aa00 RBX: ffff888031747f00 RCX: 0000000000040000
RDX: ffffc90002181000 RSI: 00000000000062d4 RDI: 00000000000062d5
RBP: 000000000000000f R08: ffff8880b8624253 R09: 1ffff110170c484a
R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000
R13: ffff888030e03030 R14: ffff888031747f08 R15: 0000000000000820
FS:  000055557f4bd500(0000) GS:ffff888125c0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000003000 CR3: 000000007a1ba000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline]
 cm109_urb_irq_callback+0x709/0xca0 drivers/input/misc/cm109.c:431
 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661
 dummy_timer+0x862/0x4550 drivers/usb/gadget/udc/dummy_hcd.c:1995
 __run_hrtimer kernel/time/hrtimer.c:1761 [inline]
 __hrtimer_run_queues+0x52c/0xc60 kernel/time/hrtimer.c:1825
 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1842
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:format_decode+0x67/0xe30 lib/vsprintf.c:2671
Code: 84 19 06 00 00 41 0f b6 c6 83 f8 03 0f 84 65 06 00 00 45 31 f6 48 b9 00 00 00 00 00 fc ff df 4d 8d 24 2e 4c 89 e0 48 c1 e8 03 <0f> b6 04 08 84 c0 75 28 42 0f b6 5c 35 00 48 89 df 48 c7 c6 b0 b4
RSP: 0018:ffffc9000b15f990 EFLAGS: 00000a02
RAX: 1ffffffff19761c4 RBX: 0000000000000045 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8f8ab4b0 RDI: 0000000000000045
RBP: ffffffff8cbb0e20 R08: ffff88802e9a1e00 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff8cbb0e22
R13: ffffc9000b15fa38 R14: 0000000000000002 R15: ffffffff8cbb0e20
 vsnprintf+0x102/0xf00 lib/vsprintf.c:2869
 add_uevent_var+0x1cc/0x450 lib/kobject_uevent.c:679
 kobject_uevent_env+0x52a/0x8c0 lib/kobject_uevent.c:603
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1274 [inline]
 device_release_driver_internal+0x46f/0x800 drivers/base/dd.c:1297
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1360
 bus_remove_driver+0x226/0x2f0 drivers/base/bus.c:747
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1732
 raw_release+0xd7/0x260 drivers/usb/gadget/legacy/raw_gadget.c:462
 __fput+0x44c/0xa70 fs/file_table.c:468
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa51d98ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe6e99ac58 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000009995c RCX: 00007fa51d98ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fa51dbb7da0 R08: 0000000000000001 R09: 000000066e99af4f
R10: 0000001b2f720000 R11: 0000000000000246 R12: 00007fa51dbb5fac
R13: 00007fa51dbb5fa0 R14: ffffffffffffffff R15: 00007ffe6e99ad70
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	19 06                	sbb    %eax,(%rsi)
   2:	00 00                	add    %al,(%rax)
   4:	41 0f b6 c6          	movzbl %r14b,%eax
   8:	83 f8 03             	cmp    $0x3,%eax
   b:	0f 84 65 06 00 00    	je     0x676
  11:	45 31 f6             	xor    %r14d,%r14d
  14:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  1b:	fc ff df
  1e:	4d 8d 24 2e          	lea    (%r14,%rbp,1),%r12
  22:	4c 89 e0             	mov    %r12,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	0f b6 04 08          	movzbl (%rax,%rcx,1),%eax <-- trapping instruction
  2d:	84 c0                	test   %al,%al
  2f:	75 28                	jne    0x59
  31:	42 0f b6 5c 35 00    	movzbl 0x0(%rbp,%r14,1),%ebx
  37:	48 89 df             	mov    %rbx,%rdi
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	c6                   	(bad)
  3d:	b0 b4                	mov    $0xb4,%al