Warning: Permanently added '10.128.0.171' (ED25519) to the list of known hosts. executing program [ 83.317871][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 83.677778][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 83.757704][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 83.759824][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 83.761571][ T25] usb 1-1: SerialNumber: syz [ 84.460542][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 84.932685][ T1365] usb 1-1: USB disconnect, device number 2 executing program executing program executing program executing program [ 101.493392][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 101.988099][ T1365] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 102.368044][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 102.478719][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 102.480979][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 102.482784][ T1365] usb 1-1: SerialNumber: syz [ 103.191413][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 103.614315][ T25] usb 1-1: USB disconnect, device number 3 executing program [ 110.137752][ T25] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 110.637927][ T25] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 111.017708][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 111.107688][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 111.109901][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 111.111787][ T25] usb 1-1: SerialNumber: syz [ 111.810075][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 112.248843][ T25] usb 1-1: USB disconnect, device number 4 executing program [ 119.451737][ T25] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 119.945926][ T25] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 120.307794][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 120.387740][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 120.389855][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 120.391756][ T25] usb 1-1: SerialNumber: syz [ 121.089765][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 121.519466][ T1365] usb 1-1: USB disconnect, device number 5 [ 128.103032][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 128.917825][ T1365] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 129.297702][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 129.377731][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 129.379741][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 129.381508][ T1365] usb 1-1: SerialNumber: syz [ 130.089327][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 130.517449][ T25] usb 1-1: USB disconnect, device number 6 executing program [ 136.662447][ T25] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 137.267803][ T25] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 137.628282][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 137.707705][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 137.709756][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 137.711506][ T25] usb 1-1: SerialNumber: syz [ 138.409697][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 138.844478][ T1365] usb 1-1: USB disconnect, device number 7 [ 145.295123][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 145.855875][ T1365] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 146.267848][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 146.347850][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 146.349914][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 146.351695][ T1365] usb 1-1: SerialNumber: syz [ 147.039770][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 147.464663][ T25] usb 1-1: USB disconnect, device number 8 [ 153.702857][ T25] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 154.267741][ T25] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 154.647791][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 154.727880][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 154.729916][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 154.731697][ T25] usb 1-1: SerialNumber: syz [ 155.429390][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 155.858434][ T1365] usb 1-1: USB disconnect, device number 9 executing program [ 161.757940][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 162.243534][ T1365] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 162.667714][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 162.747796][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 162.749844][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 162.751785][ T1365] usb 1-1: SerialNumber: syz [ 163.449356][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 163.879940][ T25] usb 1-1: USB disconnect, device number 10 [ 169.889019][ T25] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 170.397706][ T25] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 170.827688][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 170.907760][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 170.909771][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 170.911453][ T25] usb 1-1: SerialNumber: syz [ 171.609438][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 172.024243][ T1365] usb 1-1: USB disconnect, device number 11 [ 177.617652][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 178.157774][ T1365] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 178.537684][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 178.627776][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 178.629949][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 178.631743][ T1365] usb 1-1: SerialNumber: syz [ 179.319321][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 179.744877][ T25] usb 1-1: USB disconnect, device number 12 [ 185.887998][ T25] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 186.457712][ T25] usb 1-1: new high-speed USB device number 13 using dummy_hcd [ 186.827800][ T25] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 186.907915][ T25] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 186.909944][ T25] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 186.911687][ T25] usb 1-1: SerialNumber: syz [ 187.609386][ T25] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 188.027090][ T1365] usb 1-1: USB disconnect, device number 13 executing program [ 193.557740][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 194.038640][ T1365] usb 1-1: new high-speed USB device number 14 using dummy_hcd [ 194.457771][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 194.547978][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 194.550103][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 194.551884][ T1365] usb 1-1: SerialNumber: syz [ 195.249857][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 195.665411][ T1365] usb 1-1: USB disconnect, device number 14 executing program executing program executing program executing program [ 212.943520][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 213.508885][ T1365] usb 1-1: new high-speed USB device number 15 using dummy_hcd [ 213.897992][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 213.993515][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 213.995574][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 213.997343][ T1365] usb 1-1: SerialNumber: syz [ 214.709377][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 215.126469][ T2124] usb 1-1: USB disconnect, device number 15 executing program executing program executing program executing program [ 234.656487][ T2124] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 235.147704][ T2124] usb 1-1: new high-speed USB device number 16 using dummy_hcd executing program [ 235.549948][ T2124] usb 1-1: device descriptor read/64, error -71 [ 235.818445][ T2124] usb 1-1: new high-speed USB device number 17 using dummy_hcd [ 236.187735][ T2124] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 236.267765][ T2124] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 236.269913][ T2124] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 236.271627][ T2124] usb 1-1: SerialNumber: syz [ 236.969317][ T2124] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 237.383861][ T1365] usb 1-1: USB disconnect, device number 17 executing program executing program [ 242.853986][ T1365] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 243.598055][ T1365] usb 1-1: new high-speed USB device number 18 using dummy_hcd [ 243.977848][ T1365] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 244.057688][ T1365] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 244.059802][ T1365] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 244.061619][ T1365] usb 1-1: SerialNumber: syz [ 244.759781][ T1365] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 executing program [ 245.175324][ T2124] usb 1-1: USB disconnect, device number 18 [ 250.995128][ T2124] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 251.727865][ T2124] usb 1-1: new high-speed USB device number 19 using dummy_hcd [ 252.087726][ T2124] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 252.167882][ T2124] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 252.170020][ T2124] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 252.171714][ T2124] usb 1-1: SerialNumber: syz [ 252.869358][ T2124] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 253.505514][ T2124] usb 1-1: USB disconnect, device number 19 executing program [ 263.118432][ C1] ------------[ cut here ]------------ [ 263.119772][ C1] NETDEV WATCHDOG: usb0 (cdc_ether): transmit queue 0 timed out 9800 ms [ 263.122119][ C1] WARNING: CPU: 1 PID: 2124 at net/sched/sch_generic.c:526 dev_watchdog+0x63c/0x688 [ 263.124246][ C1] Modules linked in: [ 263.125080][ C1] CPU: 1 PID: 2124 Comm: kworker/1:2 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 [ 263.127183][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 263.129477][ C1] Workqueue: usb_hub_wq hub_event [ 263.130582][ C1] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 263.132443][ C1] pc : dev_watchdog+0x63c/0x688 [ 263.133610][ C1] lr : dev_watchdog+0x63c/0x688 [ 263.134721][ C1] sp : ffff800080017bb0 [ 263.135683][ C1] x29: ffff800080017be0 x28: dfff800000000000 x27: fffffffffffffe20 [ 263.137561][ C1] x26: ffff0000da3ce400 x25: 0000000000000000 x24: 0000000000000110 [ 263.139445][ C1] x23: ffff0000da3ce470 x22: 0000000000002648 x21: ffff0000c305c000 [ 263.141313][ C1] x20: ffff0000c305c000 x19: ffff0000c305c548 x18: ffff800080017080 [ 263.143204][ C1] x17: 38392074756f2064 x16: ffff80008a830eb8 x15: 0000000000000001 [ 263.145061][ C1] x14: 1fffe0003682a63a x13: 0000000000000000 x12: 0000000000000000 [ 263.146973][ C1] x11: 0000000000000104 x10: 0000000000ff0100 x9 : 53bbe61694b23a00 [ 263.148819][ C1] x8 : 53bbe61694b23a00 x7 : 0000000000000001 x6 : 0000000000000001 [ 263.150657][ C1] x5 : ffff800080017498 x4 : ffff80008e5d20c0 x3 : ffff8000805ab6bc [ 263.152557][ C1] x2 : 0000000000000001 x1 : 0000000000000102 x0 : 0000000000000000 [ 263.154522][ C1] Call trace: [ 263.155273][ C1] dev_watchdog+0x63c/0x688 [ 263.156325][ C1] call_timer_fn+0x19c/0x8cc [ 263.157413][ C1] __run_timers+0x55c/0x734 [ 263.158558][ C1] run_timer_softirq+0x7c/0x114 [ 263.159739][ C1] __do_softirq+0x2d8/0xce4 [ 263.160813][ C1] ____do_softirq+0x14/0x20 [ 263.161862][ C1] call_on_irq_stack+0x24/0x4c [ 263.162885][ C1] do_softirq_own_stack+0x20/0x2c [ 263.164016][ C1] __irq_exit_rcu+0x1d8/0x434 [ 263.165099][ C1] irq_exit_rcu+0x14/0x84 [ 263.166091][ C1] el1_interrupt+0x38/0x68 [ 263.167121][ C1] el1h_64_irq_handler+0x18/0x24 [ 263.168339][ C1] el1h_64_irq+0x64/0x68 [ 263.169332][ C1] _raw_spin_unlock_irq+0x34/0x80 [ 263.170458][ C1] usb_hcd_flush_endpoint+0x2b8/0x3c0 [ 263.171657][ C1] usb_disable_interface+0x1b8/0x284 [ 263.172959][ C1] usb_unbind_interface+0x17c/0x758 [ 263.174143][ C1] device_release_driver_internal+0x440/0x6a0 [ 263.175551][ C1] device_release_driver+0x28/0x38 [ 263.176730][ C1] bus_remove_device+0x314/0x3b4 [ 263.177818][ C1] device_del+0x480/0x87c [ 263.178825][ C1] usb_disable_device+0x354/0x760 [ 263.179973][ C1] usb_disconnect+0x290/0x808 [ 263.181078][ C1] hub_event+0x18ec/0x435c [ 263.182133][ C1] process_one_work+0x694/0x1204 [ 263.183294][ C1] worker_thread+0x938/0xef4 [ 263.184355][ C1] kthread+0x288/0x310 [ 263.185301][ C1] ret_from_fork+0x10/0x20 [ 263.186322][ C1] irq event stamp: 681247 [ 263.187332][ C1] hardirqs last enabled at (681246): [<ffff800080357f94>] console_unlock+0x17c/0x3d4 [ 263.189544][ C1] hardirqs last disabled at (681247): [<ffff80008a82c9ac>] el1_dbg+0x24/0x80 [ 263.191560][ C1] softirqs last enabled at (302676): [<ffff800088a21338>] local_bh_enable+0x10/0x34 [ 263.193804][ C1] softirqs last disabled at (303055): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 [ 263.195914][ C1] ---[ end trace 0000000000000000 ]--- [ 263.208920][ T2124] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device executing program [ 263.687699][ T2124] usb 1-1: new high-speed USB device number 20 using dummy_hcd [ 264.047908][ T2124] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 264.127851][ T2124] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 264.129798][ T2124] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 264.131687][ T2124] usb 1-1: SerialNumber: syz [ 264.829335][ T2124] cdc_ether 1-1:1.0 usb0: register 'cdc_ether' at usb-dummy_hcd.0-1, CDC Ethernet Device, 42:42:42:42:42:42 [ 265.265362][ T10] usb 1-1: USB disconnect, device number 20 executing program [ 271.938687][ T10] cdc_ether 1-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.0-1, CDC Ethernet Device [ 272.667752][ T10] usb 1-1: new high-speed USB device number 21 using dummy_hcd [ 273.027736][ T10] usb 1-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 18 [ 273.107778][ T10] usb 1-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 273.109822][ T10] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1 [ 273.111592][ T10] usb 1-1: SerialNumber: syz