cm109 4-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff88814c47d900 submitted while active WARNING: CPU: 0 PID: 8016 at drivers/usb/core/urb.c:380 usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Modules linked in: CPU: 0 UID: 0 PID: 8016 Comm: syz.3.554 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+0x16f5/0x1990 drivers/usb/core/urb.c:380 Code: ff ff ff bb fe ff ff ff e9 c9 f1 ff ff e8 03 0d b5 fa c6 05 2a c9 62 09 01 90 48 c7 c7 40 16 50 8c 48 89 de e8 5c 40 73 fa 90 <0f> 0b 90 90 e9 a6 fe ff ff bb f8 ff ff ff e9 99 f1 ff ff c7 44 24 RSP: 0018:ffffc90000007a90 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff88814c47d900 RCX: ffffffff817b1cd8 RDX: ffff888030622480 RSI: ffffffff817b1ce5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888078048857 R14: ffff88814638c340 R15: 000000000000000f FS: 0000000000000000(0000) GS:ffff888124a05000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055973ede2ad0 CR3: 0000000032002000 CR4: 00000000003526f0 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+0x1809/0x3a00 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x219/0x8e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:usb_hcd_poll_rh_status+0x0/0x7e0 drivers/usb/core/hcd.c:726 Code: fc ff ff 48 89 df e8 8f 66 1e fb e9 bd fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 41 57 41 56 41 55 41 54 55 48 bd 00 00 00 00 00 fc ff RSP: 0018:ffffc900040678c0 EFLAGS: 00000286 RAX: 0000000080000000 RBX: 0000000000000293 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff8da2c59c RDI: ffff888144fca000 RBP: ffff8880294e0c00 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff908216d7 R11: 0000000000000001 R12: ffff8880294e0000 R13: ffff888144fca408 R14: 0000000000000000 R15: 0000000013dbc000 dummy_pullup+0x20c/0x270 drivers/usb/gadget/udc/dummy_hcd.c:928 usb_gadget_disconnect_locked+0x142/0x4e0 drivers/usb/gadget/udc/core.c:780 gadget_unbind_driver+0xd7/0x4e0 drivers/usb/gadget/udc/core.c:1670 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:1736 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:966 do_group_exit+0xd3/0x2a0 kernel/exit.c:1107 get_signal+0x2671/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7c0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x85/0x130 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+0x426/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6345fc2005 Code: Unable to access opcode bytes at 0x7f6345fc1fdb. RSP: 002b:00007f6346e87f80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f63461e5fa0 RCX: 00007f6345fc2005 RDX: 00007f6346e87fc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6346013f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f63461e6038 R14: 00007f63461e5fa0 R15: 00007ffcc96a9568 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 48 89 df mov %rbx,%rdi 3: e8 8f 66 1e fb call 0xfb1e6697 8: e9 bd fe ff ff jmp 0xfffffeca d: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 14: 00 00 00 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop * 27: f3 0f 1e fa endbr64 <-- trapping instruction 2b: 41 57 push %r15 2d: 41 56 push %r14 2f: 41 55 push %r13 31: 41 54 push %r12 33: 55 push %rbp 34: 48 rex.W 35: bd 00 00 00 00 mov $0x0,%ebp 3a: 00 fc add %bh,%ah 3c: ff .byte 0xff