[ 43.016131][ T567] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.144297][ T567] device veth1_macvtap left promiscuous mode [ 43.145158][ T567] device veth0_macvtap left promiscuous mode [ 43.145975][ T567] device veth1_vlan left promiscuous mode [ 43.146770][ T567] device veth0_vlan left promiscuous mode [ 43.233284][ T567] team0 (unregistering): Port device team_slave_1 removed [ 43.239088][ T567] team0 (unregistering): Port device team_slave_0 removed [ 43.243146][ T567] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 43.287394][ T567] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 43.416973][ T567] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.1.228' (ED25519) to the list of known hosts. 1970/01/01 00:00:53 ignoring optional flag "type"="gce" 1970/01/01 00:00:53 parsed 1 programs [ 53.587815][ T4314] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS 1970/01/01 00:00:53 executed programs: 0 [ 53.650532][ T4328] chnl_net:caif_netlink_parms(): no params data found [ 53.667253][ T4328] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.668452][ T4328] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.669889][ T4328] device bridge_slave_0 entered promiscuous mode [ 53.671733][ T4328] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.672771][ T4328] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.674142][ T4328] device bridge_slave_1 entered promiscuous mode [ 53.681498][ T4328] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.684036][ T4328] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.691468][ T4328] team0: Port device team_slave_0 added [ 53.693263][ T4328] team0: Port device team_slave_1 added [ 53.699925][ T4328] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 53.701002][ T4328] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 53.704925][ T4328] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 53.707194][ T4328] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 53.708333][ T4328] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 53.712372][ T4328] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 53.755282][ T4328] device hsr_slave_0 entered promiscuous mode [ 53.804080][ T4328] device hsr_slave_1 entered promiscuous mode [ 54.329707][ T4328] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.385588][ T4328] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.425856][ T4328] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.446242][ T4328] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.522739][ T4328] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.523895][ T4328] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.525106][ T4328] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.526166][ T4328] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.543022][ T4328] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.546843][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.548786][ T567] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.550286][ T567] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.551900][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 54.556610][ T4328] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.565190][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.566763][ T567] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.567877][ T567] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.569177][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.570694][ T567] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.571749][ T567] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.574476][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.577479][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.579067][ T361] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.583495][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.586006][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.589147][ T4328] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.630861][ T4328] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.634851][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.636041][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.641508][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 54.642986][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 54.650633][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 54.652077][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 54.653498][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 54.654962][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 54.657541][ T4328] device veth0_vlan entered promiscuous mode [ 54.661344][ T4328] device veth1_vlan entered promiscuous mode [ 54.669808][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 54.671512][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 54.672992][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 54.675486][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 54.678331][ T4328] device veth0_macvtap entered promiscuous mode [ 54.680604][ T4328] device veth1_macvtap entered promiscuous mode [ 54.687161][ T4328] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 54.688467][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 54.689917][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 54.691507][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 54.693303][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 54.697093][ T4328] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 54.699384][ T4328] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.700587][ T4328] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.701730][ T4328] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.703009][ T4328] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 54.706118][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 54.707636][ T567] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 54.993948][ T13] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 55.233985][ T13] usb 1-1: Using ep0 maxpacket: 16 [ 55.354011][ T13] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 55.355370][ T13] usb 1-1: config 0 has no interface number 0 [ 55.356235][ T13] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 55.474037][ T13] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 55.475499][ T13] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 55.476701][ T13] usb 1-1: Product: syz [ 55.477344][ T13] usb 1-1: SerialNumber: syz [ 55.483255][ T13] usb 1-1: config 0 descriptor?? [ 55.526937][ T13] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input2 [ 55.684547][ T13] Bluetooth: hci0: command 0x0409 tx timeout [ 55.955325][ T21] usb 1-1: USB disconnect, device number 2 [ 55.964266][ C0] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 55.965609][ T21] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 [ 56.733930][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.973885][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 57.093912][ T7] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 57.095217][ T7] usb 1-1: config 0 has no interface number 0 [ 57.096081][ T7] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 57.213908][ T7] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 57.215408][ T7] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 57.216680][ T7] usb 1-1: Product: syz [ 57.217333][ T7] usb 1-1: SerialNumber: syz [ 57.219778][ T7] usb 1-1: config 0 descriptor?? [ 57.255802][ T7] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input3 [ 57.683656][ T7] usb 1-1: USB disconnect, device number 3 [ 57.684847][ C0] cm109 1-1:0.8: cm109_urb_irq_callback: urb status -71 [ 57.684864][ C0] ------------[ cut here ]------------ [ 57.684884][ C0] URB 000000009e1e44a6 submitted while active [ 57.685041][ C0] WARNING: CPU: 0 PID: 7 at drivers/usb/core/urb.c:378 usb_submit_urb+0xd60/0x1524 [ 57.685058][ C0] Modules linked in: [ 57.685065][ C0] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted syzkaller #0 [ 57.685071][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 57.685075][ C0] Workqueue: usb_hub_wq hub_event [ 57.685083][ C0] pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) [ 57.685090][ C0] pc : usb_submit_urb+0xd60/0x1524 [ 57.685095][ C0] lr : usb_submit_urb+0xd60/0x1524 [ 57.685100][ C0] sp : ffff8000080076d0 [ 57.685103][ C0] x29: ffff800008007710 x28: 0000000000000000 x27: 000000000000000f [ 57.685112][ C0] x26: 1fffe0001acd580a x25: dfff800000000000 x24: ffff0000ce948601 [ 57.685121][ C0] x23: dfff800000000000 x22: 000000000000000f x21: ffff0000cdf8fa08 [ 57.685130][ C0] x20: ffff80001655f000 x19: ffff0000cdf8fa00 x18: 0000000000000102 [ 57.685139][ C0] x17: 0000000000000000 x16: ffff800011169180 x15: 0000000000000012 [ 57.685147][ C0] x14: 0000000000ff0100 x13: 1ffff0000282406b x12: 0000000000ff0100 [ 57.685156][ C0] x11: 0000000000000102 x10: 0000000000000000 x9 : e7388bfed4de4100 [ 57.685165][ C0] x8 : e7388bfed4de4100 x7 : ffff8000082f702c x6 : 0000000000000000 [ 57.685173][ C0] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000085043fc [ 57.685182][ C0] x2 : 0000000000000001 x1 : 0000000100000102 x0 : 000000000000002b [ 57.685190][ C0] Call trace: [ 57.685193][ C0] usb_submit_urb+0xd60/0x1524 [ 57.685198][ C0] cm109_urb_irq_callback+0x5a4/0xa44 [ 57.685207][ C0] __usb_hcd_giveback_urb+0x2e0/0x518 [ 57.685213][ C0] usb_hcd_giveback_urb+0x100/0x3e0 [ 57.685218][ C0] dummy_timer+0x5b8/0x2320 [ 57.685225][ C0] call_timer_fn+0x19c/0x858 [ 57.685231][ C0] __run_timers+0x46c/0x6c4 [ 57.685236][ C0] run_timer_softirq+0x7c/0x114 [ 57.685242][ C0] handle_softirqs+0x344/0xbf0 [ 57.685249][ C0] __irq_exit_rcu+0x240/0x440 [ 57.685254][ C0] irq_exit+0x14/0x88 [ 57.685259][ C0] handle_domain_irq+0x14c/0x1fc [ 57.685264][ C0] gic_handle_irq+0x78/0x1c8 [ 57.685270][ C0] call_on_irq_stack+0x30/0x48 [ 57.685275][ C0] do_interrupt_handler+0x6c/0x88 [ 57.685280][ C0] el1_interrupt+0x30/0x58 [ 57.685287][ C0] el1h_64_irq_handler+0x18/0x24 [ 57.685291][ C0] el1h_64_irq+0x78/0x7c [ 57.685296][ C0] console_unlock+0xc90/0x133c [ 57.685302][ C0] vprintk_emit+0x13c/0x218 [ 57.685307][ C0] dev_vprintk_emit+0x278/0x304 [ 57.685314][ C0] dev_printk_emit+0xd4/0x11c [ 57.685319][ C0] __dev_printk+0x16c/0x1a0 [ 57.685325][ C0] _dev_info+0xec/0x138 [ 57.685329][ C0] usb_disconnect+0xc8/0x7d0 [ 57.685334][ C0] hub_event+0x1610/0x42c0 [ 57.685339][ C0] process_one_work+0x79c/0x1140 [ 57.685345][ C0] worker_thread+0x8f4/0x101c [ 57.685350][ C0] kthread+0x374/0x454 [ 57.685355][ C0] ret_from_fork+0x10/0x20 [ 57.685360][ C0] irq event stamp: 26861 [ 57.685363][ C0] hardirqs last enabled at (26860): [] _raw_spin_unlock_irq+0x98/0x128 [ 57.685372][ C0] hardirqs last disabled at (26861): [] _raw_spin_lock_irqsave+0xfc/0x14c [ 57.685379][ C0] softirqs last enabled at (26768): [] nsim_dev_trap_report_work+0x5fc/0x938 [ 57.685387][ C0] softirqs last disabled at (26853): [] __irq_exit_rcu+0x240/0x440 [ 57.685394][ C0] ---[ end trace 752c53c6d1bd6860 ]--- [ 57.685398][ C0] cm109 1-1:0.8: cm109_urb_irq_callback: usb_submit_urb (urb_ctl) failed -16 [ 57.685409][ C0] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 57.685414][ C0] cm109 1-1:0.8: cm109_submit_buzz_toggle: usb_submit_urb (urb_ctl) failed -19 [ 57.742073][ T7] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 [ 57.764125][ T3626] Bluetooth: hci0: command 0x041b tx timeout [ 58.513895][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 58.753896][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 58.873891][ T7] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 58.875169][ T7] usb 1-1: config 0 has no interface number 0 [ 58.876076][ T7] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 58.993918][ T7] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 58.995406][ T7] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 58.996547][ T7] usb 1-1: Product: syz [ 58.997154][ T7] usb 1-1: SerialNumber: syz [ 58.999298][ T7] usb 1-1: config 0 descriptor?? [ 59.035597][ T7] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input4 [ 59.454363][ T7] usb 1-1: USB disconnect, device number 4 [ 59.463902][ C0] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 59.465038][ C0] cm109 1-1:0.8: cm109_submit_buzz_toggle: usb_submit_urb (urb_ctl) failed -19 [ 59.466564][ T7] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 [ 59.843941][ T3626] Bluetooth: hci0: command 0x040f tx timeout 1970/01/01 00:00:59 executed programs: 3 [ 60.233867][ T21] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 60.493932][ T21] usb 1-1: Using ep0 maxpacket: 16 [ 60.643889][ T21] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 60.645266][ T21] usb 1-1: config 0 has no interface number 0 [ 60.646155][ T21] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 60.763913][ T21] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 60.765416][ T21] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 60.766645][ T21] usb 1-1: Product: syz [ 60.767222][ T21] usb 1-1: SerialNumber: syz [ 60.770128][ T21] usb 1-1: config 0 descriptor?? [ 60.805520][ T21] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input5 [ 61.234443][ T21] usb 1-1: USB disconnect, device number 5 [ 61.244050][ C1] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 61.245170][ C1] cm109 1-1:0.8: cm109_submit_buzz_toggle: usb_submit_urb (urb_ctl) failed -19 [ 61.246641][ T21] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 [ 61.923864][ T21] Bluetooth: hci0: command 0x0419 tx timeout [ 62.013884][ T1970] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 62.253890][ T1970] usb 1-1: Using ep0 maxpacket: 16 [ 62.383909][ T1970] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 62.385312][ T1970] usb 1-1: config 0 has no interface number 0 [ 62.386197][ T1970] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 62.503914][ T1970] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 62.505358][ T1970] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 62.506512][ T1970] usb 1-1: Product: syz [ 62.507101][ T1970] usb 1-1: SerialNumber: syz [ 62.509289][ T1970] usb 1-1: config 0 descriptor?? [ 62.545708][ T1970] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input6 [ 62.963612][ T3626] usb 1-1: USB disconnect, device number 6 [ 62.973913][ C0] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 62.975047][ T3626] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 [ 63.733881][ T1970] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 63.983862][ T1970] usb 1-1: Using ep0 maxpacket: 16 [ 64.103885][ T1970] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 64.105105][ T1970] usb 1-1: config 0 has no interface number 0 [ 64.105999][ T1970] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 64.223902][ T1970] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 64.225251][ T1970] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 64.226550][ T1970] usb 1-1: Product: syz [ 64.227157][ T1970] usb 1-1: SerialNumber: syz [ 64.228972][ T1970] usb 1-1: config 0 descriptor?? [ 64.265510][ T1970] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input7 [ 64.694151][ T1970] usb 1-1: USB disconnect, device number 7 [ 64.703895][ C0] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 64.704953][ C0] cm109 1-1:0.8: cm109_submit_buzz_toggle: usb_submit_urb (urb_ctl) failed -19 [ 64.706401][ T1970] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 1970/01/01 00:01:05 executed programs: 6 [ 65.473868][ T3626] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 65.713867][ T3626] usb 1-1: Using ep0 maxpacket: 16 [ 65.843889][ T3626] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 65.845217][ T3626] usb 1-1: config 0 has no interface number 0 [ 65.846164][ T3626] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7 [ 65.973898][ T3626] usb 1-1: New USB device found, idVendor=0d8c, idProduct=000e, bcdDevice=8e.8f [ 65.975215][ T3626] usb 1-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 [ 65.976364][ T3626] usb 1-1: Product: syz [ 65.976984][ T3626] usb 1-1: SerialNumber: syz [ 65.979142][ T3626] usb 1-1: config 0 descriptor?? [ 66.025979][ T3626] input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input8 [ 66.454347][ T3626] usb 1-1: USB disconnect, device number 8 [ 66.463871][ C1] cm109 1-1:0.8: cm109_urb_ctl_callback: urb status -71 [ 66.464963][ C1] cm109 1-1:0.8: cm109_submit_buzz_toggle: usb_submit_urb (urb_ctl) failed -19 [ 66.466315][ T3626] cm109 1-1:0.8: cm109_toggle_buzzer_sync: usb_control_msg() failed -19 [ 67.223874][ T7] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 67.463865][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 67.583926][ T7] usb 1-1: config 0 has an invalid interface number: 8 but max is 0 [ 67.585264][ T7] usb 1-1: config 0 has no interface number 0 [ 67.586186][ T7] usb 1-1: config 0 interface 8 altsetting 0 endpoint 0x8F has an invalid bInterval 0, changing to 7