cm109 2-1:0.8: cm109_urb_irq_callback: urb status -71
------------[ cut here ]------------
URB ffff888027893900 submitted while active
WARNING: CPU: 0 PID: 2752 at drivers/usb/core/urb.c:379 usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379
Modules linked in:
CPU: 0 PID: 2752 Comm: syz.1.13299 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:usb_submit_urb+0xff9/0x1920 drivers/usb/core/urb.c:379
Code: ab 2e 8b 89 ea e8 3a ee ff 03 e9 f7 fb ff ff e8 ed 9f 5b fb c6 05 df b4 e4 07 01 48 c7 c7 e0 a9 2e 8b 48 89 de e8 b7 0f 27 fb <0f> 0b e9 7d f0 ff ff e8 cb 9f 5b fb eb 21 e8 c4 9f 5b fb 44 8b 6c
RSP: 0018:ffffc90000007840 EFLAGS: 00010046
RAX: 0eba8af7a580ee00 RBX: ffff888027893900 RCX: 0000000000040000
RDX: ffffc90002111000 RSI: 0000000000000475 RDI: 0000000000000476
RBP: 000000000000000f R08: ffff8880b8e279db R09: 1ffff110171c4f3b
R10: dffffc0000000000 R11: ffffed10171c4f3c R12: dffffc0000000000
R13: 0000000000000a20 R14: ffff888027893908 R15: ffff888079f36048
FS:  0000555592f51500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32716ff8 CR3: 0000000076531000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 cm109_urb_irq_callback+0x701/0xc70 drivers/input/misc/cm109.c:422
 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1675
 dummy_timer+0x8d0/0x3330 drivers/usb/gadget/udc/dummy_hcd.c:2004
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:strlen+0x2a/0x60 lib/string.c:502
Code: 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 42 0f b6 04 30 <84> c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 75 de eb 19 89
RSP: 0018:ffffc90003627b50 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffff888026d57b05 RCX: ffff8880269bd940
RDX: 0000000000000000 RSI: ffffffff8b3e9903 RDI: ffff888026d57b00
RBP: dffffc0000000000 R08: ffff88805792f620 R09: 1ffff1100af25ec4
R10: dffffc0000000000 R11: ffffed100af25ec5 R12: ffff888145302010
R13: ffff88805792f61d R14: dffffc0000000000 R15: 0000000000000004
 __fortify_strlen include/linux/fortify-string.h:196 [inline]
 fill_kobj_path lib/kobject.c:121 [inline]
 kobject_get_path+0xe6/0x220 lib/kobject.c:155
 kobject_uevent_env+0x286/0x8a0 lib/kobject_uevent.c:544
 device_remove drivers/base/dd.c:548 [inline]
 __device_release_driver drivers/base/dd.c:1260 [inline]
 device_release_driver_internal+0x4be/0x850 drivers/base/dd.c:1286
 driver_detach+0x1ef/0x2d0 drivers/base/dd.c:1349
 bus_remove_driver+0x11c/0x230 drivers/base/bus.c:679
 usb_gadget_unregister_driver+0x4a/0x70 drivers/usb/gadget/udc/core.c:1735
 raw_release+0xd6/0x260 drivers/usb/gadget/legacy/raw_gadget.c:416
 __fput+0x22c/0x920 fs/file_table.c:320
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 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:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f69aa99c819
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:00007ffd4a714068 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffd4a714150 RCX: 00007f69aa99c819
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000015d417 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b31520000 R11: 0000000000000246 R12: 00007ffd4a714190
R13: 00007f69aac15fac R14: 000000000015d9c0 R15: 00007f69aac15fa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	41 57                	push   %r15
   2:	41 56                	push   %r14
   4:	41 54                	push   %r12
   6:	53                   	push   %rbx
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	49 be 00 00 00 00 00 	movabs $0xdffffc0000000000,%r14
  15:	fc ff df
  18:	48 89 fb             	mov    %rdi,%rbx
  1b:	49 89 c7             	mov    %rax,%r15
  1e:	48 89 d8             	mov    %rbx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 0f b6 04 30       	movzbl (%rax,%r14,1),%eax
* 2a:	84 c0                	test   %al,%al <-- trapping instruction
  2c:	75 11                	jne    0x3f
  2e:	48 ff c3             	inc    %rbx
  31:	49 8d 47 01          	lea    0x1(%r15),%rax
  35:	42 80 7c 3f 01 00    	cmpb   $0x0,0x1(%rdi,%r15,1)
  3b:	75 de                	jne    0x1b
  3d:	eb 19                	jmp    0x58
  3f:	89                   	.byte 0x89