cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88807896ff00 submitted while active WARNING: CPU: 0 PID: 6608 at drivers/usb/core/urb.c:379 usb_submit_urb+0xff3/0x1890 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 6608 Comm: syz.4.161 Not tainted 6.16.0-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:usb_submit_urb+0xff3/0x1890 drivers/usb/core/urb.c:379 Code: 00 eb 5c e8 ff 58 a7 fa e9 be f0 ff ff e8 f5 58 a7 fa c6 05 1c e1 71 08 01 90 48 c7 c7 e0 5b 33 8c 48 89 de e8 7e 48 6b fa 90 <0f> 0b 90 90 e9 85 f0 ff ff e8 cf 58 a7 fa eb 11 e8 c8 58 a7 fa bd RSP: 0018:ffffc900000077b8 EFLAGS: 00010046 RAX: d465254f26c5ad00 RBX: ffff88807896ff00 RCX: 0000000000040000 RDX: ffffc90002161000 RSI: 0000000000004a8b RDI: 0000000000004a8c RBP: 000000000000000f R08: ffff8880b8624293 R09: 1ffff110170c4852 R10: dffffc0000000000 R11: ffffed10170c4853 R12: 1ffff1100b20bc0a R13: dffffc0000000000 R14: ffff88807896ff08 R15: 0000000000000820 FS: 0000000000000000(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe013fdc368 CR3: 000000007950e000 CR4: 00000000003526f0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x718/0xc80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x417/0x690 drivers/usb/core/hcd.c:1650 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+0x283/0x870 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 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+0xa8/0x110 kernel/locking/spinlock.c:194 Code: 74 05 e8 fb 9b 5e 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 63 cc 27 f6 65 8b 05 1c 7a 33 07 85 c0 74 40 48 c7 04 24 0e 36 RSP: 0018:ffffc90003c9f860 EFLAGS: 00000206 RAX: d465254f26c5ad00 RBX: 0000000000000a06 RCX: d465254f26c5ad00 RDX: 0000000000000006 RSI: ffffffff8d982fba RDI: 0000000000000001 RBP: ffffc90003c9f8f0 R08: ffffffff8fa0b3f7 R09: 1ffffffff1f4167e R10: dffffc0000000000 R11: fffffbfff1f4167f R12: dffffc0000000000 R13: ffff888027f54a00 R14: ffffffff8edcda60 R15: 1ffff92000793f0c 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+0x140/0x4b0 drivers/usb/gadget/udc/core.c:777 gadget_unbind_driver+0xc4/0x430 drivers/usb/gadget/udc/core.c:1666 device_remove drivers/base/dd.c:567 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x46f/0x7c0 drivers/base/dd.c:1295 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1358 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+0x449/0xa70 fs/file_table.c:465 task_work_run+0x1d1/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6b5/0x22e0 kernel/exit.c:964 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105 __do_sys_exit_group kernel/exit.c:1116 [inline] __se_sys_exit_group kernel/exit.c:1114 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1114 x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2aec78ebe9 Code: Unable to access opcode bytes at 0x7f2aec78ebbf. RSP: 002b:00007ffc455eea78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2aec78ebe9 RDX: 00007f2aec7461f7 RSI: 0000000000000000 RDI: 000000000000000b RBP: 0000000000000003 R08: 00007ffc455eef17 R09: 000000000000000b R10: 00007f2aec9b5fa0 R11: 0000000000000246 R12: 00007f2aec9b627c R13: 00007f2aec9b6270 R14: 0000000000001d7f R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: 74 05 je 0x7 2: e8 fb 9b 5e f6 call 0xf65e9c02 7: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp) e: 00 00 10: 9c pushf 11: 8f 44 24 20 pop 0x20(%rsp) 15: f6 44 24 21 02 testb $0x2,0x21(%rsp) 1a: 75 4f jne 0x6b 1c: f7 c3 00 02 00 00 test $0x200,%ebx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 63 cc 27 f6 call 0xf627cc92 <-- trapping instruction 2f: 65 8b 05 1c 7a 33 07 mov %gs:0x7337a1c(%rip),%eax # 0x7337a52 36: 85 c0 test %eax,%eax 38: 74 40 je 0x7a 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss