cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888077f3d900 submitted while active WARNING: CPU: 1 PID: 6095 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 UID: 0 PID: 6095 Comm: syz.4.33 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Code: fd eb cb bb fe ff ff ff e9 96 f3 ff ff e8 3f 3c c1 fa c6 05 f9 28 4e 09 01 90 48 c7 c7 00 7f 2d 8c 48 89 de e8 88 cc 7f fa 90 <0f> 0b 90 90 e9 ac fe ff ff bb f8 ff ff ff e9 66 f3 ff ff 48 89 ef RSP: 0018:ffffc90000a08a80 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffff888077f3d900 RCX: ffffc90002382000 RDX: 0000000000040000 RSI: ffffffff81795e95 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802a1b9857 R14: ffff888078ff4460 R15: 000000000000000f FS: 0000000000000000(0000) GS:ffff888124f82000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000019680 CR3: 0000000059155000 CR4: 0000000000350ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1814/0x3a30 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 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+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 a1 47 f6 48 89 df e8 4e f5 47 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 75 f6 37 f6 65 8b 05 3e 7e 2a 08 85 c0 74 16 5b RSP: 0018:ffffc9000aa678c0 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff888144fc8000 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffffff8d9ae0fc RDI: ffffffff8bcfa3c0 RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff905f3c97 R11: 0000000000000000 R12: ffff888144fc8000 R13: ffff8880287d8408 R14: 0000000000000000 R15: 00000000a38dc000 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_pullup+0x200/0x270 drivers/usb/gadget/udc/dummy_hcd.c:926 usb_gadget_disconnect_locked+0x142/0x4e0 drivers/usb/gadget/udc/core.c:777 gadget_unbind_driver+0xd7/0x4e0 drivers/usb/gadget/udc/core.c:1666 device_remove+0xcb/0x170 drivers/base/dd.c:569 __device_release_driver drivers/base/dd.c:1274 [inline] device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1360 bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:747 driver_unregister+0x76/0xb0 drivers/base/driver.c:277 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1732 raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x402/0xb70 fs/file_table.c:468 task_work_run+0x150/0x240 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x86f/0x2bf0 kernel/exit.c:961 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7d0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x84/0x110 kernel/entry/common.c:40 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+0x41c/0x4e0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe84df8eec9 Code: Unable to access opcode bytes at 0x7fe84df8ee9f. RSP: 002b:00007fe84ee9b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: 0000000000000800 RBX: 00007fe84e1e5fa0 RCX: 00007fe84df8eec9 RDX: 0000000000001006 RSI: 0000200000002080 RDI: 0000000000000004 RBP: 00007fe84e011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe84e1e6038 R14: 00007fe84e1e5fa0 R15: 00007ffed3dd5218 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 66 a1 47 f6 call 0xf647a179 13: 48 89 df mov %rbx,%rdi 16: e8 4e f5 47 f6 call 0xf647f569 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 75 f6 37 f6 call 0xf637f6a9 34: 65 8b 05 3e 7e 2a 08 mov %gs:0x82a7e3e(%rip),%eax # 0x82a7e79 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx