cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888057e02100 submitted while active WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#1: syz.4.117/6627 Modules linked in: CPU: 1 UID: 0 PID: 6627 Comm: syz.4.117 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x7e/0x18d0 drivers/usb/core/urb.c:380 Code: 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 97 21 2a fb 49 83 3e 00 74 40 e8 fc d4 c3 fa 48 8d 3d 75 0f 90 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 e1 d4 c3 fa eb 05 e8 da d4 RSP: 0018:ffffc90000a08878 EFLAGS: 00010087 RAX: ffffffff86fdde34 RBX: ffff888057e02100 RCX: 0000000000040000 RDX: ffffc90002372000 RSI: ffff888057e02100 RDI: ffffffff8f8dedb0 RBP: 000000000000000f R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000141100 R12: 0000000000000820 R13: ffff888079ce6830 R14: ffff888057e02108 R15: dffffc0000000000 FS: 000055559359f500(0000) GS:ffff888125f4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000008000 CR3: 000000003501a000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x709/0xcd0 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x376/0x540 drivers/usb/core/hcd.c:1661 dummy_timer+0x85f/0x45b0 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x51c/0xc30 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x187/0x2b0 kernel/time/hrtimer.c:1858 handle_softirqs+0x27d/0x850 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 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:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110 kernel/locking/spinlock.c:194 Code: 74 05 e8 7b 8a 6d f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 93 10 35 f6 65 8b 05 4c 11 21 07 85 c0 74 40 48 c7 04 24 0e 36 RSP: 0018:ffffc9000c18f9c0 EFLAGS: 00000206 RAX: 800482babf7c6500 RBX: 0000000000000a02 RCX: 800482babf7c6500 RDX: 0000000000000006 RSI: ffffffff8d783537 RDI: 0000000000000001 RBP: ffffc9000c18fa50 R08: ffffffff8f813377 R09: 1ffffffff1f0266e R10: dffffc0000000000 R11: fffffbfff1f0266f R12: dffffc0000000000 R13: ffff888141b0d600 R14: ffffffff8ebc7d40 R15: 1ffff92001831f38 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] usb_hcd_poll_rh_status+0x406/0x620 drivers/usb/core/hcd.c:762 dummy_pullup+0x19b/0x200 drivers/usb/gadget/udc/dummy_hcd.c:928 usb_gadget_disconnect_locked+0x143/0x490 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xc7/0x460 drivers/usb/gadget/udc/core.c:1685 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1282 [inline] device_release_driver_internal+0x46f/0x800 drivers/base/dd.c:1305 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1368 bus_remove_driver+0x226/0x320 drivers/base/bus.c:784 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+0x44c/0xa70 fs/file_table.c:468 task_work_run+0x1d4/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f091138f749 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:00007ffce7de8408 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f09115e7da0 RCX: 00007f091138f749 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f09115e7da0 R08: 0000000000000000 R09: 0000000ae7de86ff R10: 000000000003fd78 R11: 0000000000000246 R12: 000000000001f914 R13: 00007f09115e6180 R14: ffffffffffffffff R15: 00007ffce7de8520 ---------------- 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 97 21 2a fb call 0xfb2a21ac 15: 49 83 3e 00 cmpq $0x0,(%r14) 19: 74 40 je 0x5b 1b: e8 fc d4 c3 fa call 0xfac3d51c 20: 48 8d 3d 75 0f 90 08 lea 0x8900f75(%rip),%rdi # 0x8900f9c 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 e1 d4 c3 fa call 0xfac3d51c 3b: eb 05 jmp 0x42 3d: e8 .byte 0xe8 3e: da d4 fcmovbe %st(4),%st