cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888054d29e00 submitted while active WARNING: CPU: 0 PID: 150 at drivers/usb/core/urb.c:378 usb_submit_urb+0x1057/0x1980 drivers/usb/core/urb.c:378 Modules linked in: CPU: 0 PID: 150 Comm: kworker/0:1H Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events_highpri snd_vmidi_output_work RIP: 0010:usb_submit_urb+0x1057/0x1980 drivers/usb/core/urb.c:378 Code: 99 a9 fb eb 53 e8 99 99 a9 fb e9 54 f0 ff ff e8 8f 99 a9 fb c6 05 8a a1 87 07 01 48 c7 c7 60 50 a4 8a 48 89 de e8 49 3d cf 03 <0f> 0b e9 1f f0 ff ff e8 6d 99 a9 fb eb 20 e8 66 99 a9 fb 4c 8b 74 RSP: 0018:ffffc90000007780 EFLAGS: 00010046 RAX: 8f9c5b29d6cb3d00 RBX: ffff888054d29e00 RCX: 0000000000040000 RDX: ffffc900020c9000 RSI: 0000000000004140 RDI: 0000000000004141 RBP: 000000000000000f R08: dffffc0000000000 R09: ffffed1017204f24 R10: ffffed1017204f24 R11: 1ffff11017204f23 R12: 0000000000000a20 R13: dffffc0000000000 R14: ffff888054d29e08 R15: ffff88801adbf048 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000404030 CR3: 0000000056879000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_urb_irq_callback+0x728/0xc90 drivers/input/misc/cm109.c:422 __usb_hcd_giveback_urb+0x35f/0x520 drivers/usb/core/hcd.c:1674 dummy_timer+0x827/0x2e10 drivers/usb/gadget/udc/dummy_hcd.c:1987 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x525/0x7c0 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x328/0x820 kernel/softirq.c:576 __do_softirq kernel/softirq.c:610 [inline] invoke_softirq kernel/softirq.c:450 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:finish_lock_switch+0x134/0x280 kernel/sched/core.c:4785 Code: be ff ff ff ff e8 ec be 54 08 85 c0 74 4a 4d 85 ff 75 66 e9 fe 00 00 00 48 89 df e8 36 29 5e 08 e8 21 71 2a 00 fb 48 83 c4 08 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 48 89 df e8 99 10 fe ff 43 80 3c RSP: 0018:ffffc9000187f6c8 EFLAGS: 00000282 RAX: 8f9c5b29d6cb3d00 RBX: ffff8880b903a300 RCX: 8f9c5b29d6cb3d00 RDX: dffffc0000000000 RSI: ffffffff8a0b15c0 RDI: ffffffff8a599340 RBP: 1ffff1101720760b R08: dffffc0000000000 R09: fffffbfff1ff6e3b R10: fffffbfff1ff6e3b R11: 1ffffffff1ff6e3a R12: ffff8880b903b048 R13: dffffc0000000000 R14: ffff8880b903adc8 R15: 0000000000000000 finish_task_switch+0x12f/0x640 kernel/sched/core.c:4902 context_switch kernel/sched/core.c:5033 [inline] __schedule+0x11c0/0x43b0 kernel/sched/core.c:6376 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:6552 preempt_schedule+0xa7/0xb0 kernel/sched/core.c:6577 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xf6/0x100 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] snd_rawmidi_transmit+0x349/0x400 sound/core/rawmidi.c:1417 snd_vmidi_output_work+0x1a0/0x400 sound/core/seq/seq_virmidi.c:151 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 ---------------- Code disassembly (best guess): 0: be ff ff ff ff mov $0xffffffff,%esi 5: e8 ec be 54 08 call 0x854bef6 a: 85 c0 test %eax,%eax c: 74 4a je 0x58 e: 4d 85 ff test %r15,%r15 11: 75 66 jne 0x79 13: e9 fe 00 00 00 jmp 0x116 18: 48 89 df mov %rbx,%rdi 1b: e8 36 29 5e 08 call 0x85e2956 20: e8 21 71 2a 00 call 0x2a7146 25: fb sti 26: 48 83 c4 08 add $0x8,%rsp * 2a: 5b pop %rbx <-- trapping instruction 2b: 41 5c pop %r12 2d: 41 5d pop %r13 2f: 41 5e pop %r14 31: 41 5f pop %r15 33: 5d pop %rbp 34: c3 ret 35: 48 89 df mov %rbx,%rdi 38: e8 99 10 fe ff call 0xfffe10d6 3d: 43 rex.XB 3e: 80 .byte 0x80 3f: 3c .byte 0x3c