cm109 5-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff8880478dc600 submitted while active WARNING: CPU: 1 PID: 5568 at drivers/usb/core/urb.c:379 usb_submit_urb+0x104a/0x1970 drivers/usb/core/urb.c:379 Modules linked in: CPU: 1 PID: 5568 Comm: syz.4.254 Not tainted 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:usb_submit_urb+0x104a/0x1970 drivers/usb/core/urb.c:379 Code: cc 6a fb eb 52 e8 f6 cc 6a fb e9 61 f0 ff ff e8 ec cc 6a fb c6 05 af 23 d4 07 01 48 c7 c7 60 48 0e 8b 48 89 de e8 86 df 36 fb <0f> 0b e9 2c f0 ff ff e8 ca cc 6a fb eb 1f e8 c3 cc 6a fb 4c 8b 74 RSP: 0018:ffffc900001e0808 EFLAGS: 00010046 RAX: 3880810cfad32400 RBX: ffff8880478dc600 RCX: 0000000000040000 RDX: ffffc90002302000 RSI: 00000000000057c0 RDI: 00000000000057c1 RBP: 000000000000000f R08: dffffc0000000000 R09: ffffed10171e4f34 R10: ffffed10171e4f34 R11: 1ffff110171e4f33 R12: 0000000000000a20 R13: dffffc0000000000 R14: ffff8880478dc608 R15: ffff88807caea048 FS: 000055555a777500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a11bd9f950 CR3: 0000000063903000 CR4: 00000000003526e0 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:1675 dummy_timer+0x888/0x31b0 drivers/usb/gadget/udc/dummy_hcd.c:1994 __run_hrtimer kernel/time/hrtimer.c:1752 [inline] __hrtimer_run_queues+0x554/0xd60 kernel/time/hrtimer.c:1816 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1833 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:194 Code: 74 05 e8 ce 97 6d f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 c6 13 3e f7 65 8b 05 97 d4 e8 75 85 c0 74 3c 48 c7 04 24 0e 36 RSP: 0018:ffffc90003af7ac0 EFLAGS: 00000206 RAX: 3880810cfad32400 RBX: 0000000000000a02 RCX: 3880810cfad32400 RDX: dffffc0000000000 RSI: ffffffff8a6bffe0 RDI: 0000000000000001 RBP: ffffc90003af7b58 R08: dffffc0000000000 R09: fffffbfff211706c R10: fffffbfff211706c R11: 1ffffffff211706b R12: dffffc0000000000 R13: 1ffff11004f7397f R14: ffff888027b9c000 R15: 1ffff9200075ef58 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] dummy_pullup+0x185/0x200 drivers/usb/gadget/udc/dummy_hcd.c:925 usb_gadget_disconnect_locked+0x13d/0x4f0 drivers/usb/gadget/udc/core.c:777 gadget_unbind_driver+0xc0/0x410 drivers/usb/gadget/udc/core.c:1650 device_remove drivers/base/dd.c:548 [inline] __device_release_driver drivers/base/dd.c:1260 [inline] device_release_driver_internal+0x4be/0x850 drivers/base/dd.c:1286 driver_detach+0x1ef/0x2d0 drivers/base/dd.c:1349 bus_remove_driver+0x11c/0x230 drivers/base/bus.c:679 usb_gadget_unregister_driver+0x4a/0x70 drivers/usb/gadget/udc/core.c:1716 raw_release+0xd6/0x260 drivers/usb/gadget/legacy/raw_gadget.c:415 __fput+0x22c/0x920 fs/file_table.c:320 task_work_run+0x1ca/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f181098e929 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:00007ffd6944d108 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 0000000000035df2 RCX: 00007f181098e929 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f1810bb7ba0 R08: 0000000000000001 R09: 000000056944d3ff R10: 00007f1810600000 R11: 0000000000000246 R12: 00007f1810bb5fac R13: 00007f1810bb5fa0 R14: ffffffffffffffff R15: 00007ffd6944d220 ---------------- Code disassembly (best guess): 0: 74 05 je 0x7 2: e8 ce 97 6d f7 call 0xf76d97d5 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 4b jne 0x67 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 c6 13 3e f7 call 0xf73e13f5 <-- trapping instruction 2f: 65 8b 05 97 d4 e8 75 mov %gs:0x75e8d497(%rip),%eax # 0x75e8d4cd 36: 85 c0 test %eax,%eax 38: 74 3c je 0x76 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss