INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts. 2019/05/26 01:04:46 parsed 1 programs 2019/05/26 01:04:49 executed programs: 0 syzkaller login: [ 49.199338][ T4622] e cgroup1: Unknown subsys name 'perf_event' [ 49.206157][ T4622] e cgroup1: Unknown subsys name 'net_cls' [ 50.093013][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.332979][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 50.453026][ T12] usb 1-1: config 0 has an invalid interface number: 189 but max is 0 [ 50.461376][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 50.471786][ T12] usb 1-1: config 0 has no interface number 0 [ 50.478039][ T12] usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 50.489279][ T12] usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 [ 50.498429][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.508438][ T12] usb 1-1: config 0 descriptor?? [ 50.773028][ T12] usb 1-1: string descriptor 0 read error: -71 [ 50.780513][ T12] hub 1-1:0.189: ignoring external hub [ 50.789388][ T12] input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input5 [ 50.833367][ T12] usb 1-1: USB disconnect, device number 2 [ 51.502941][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 51.742974][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 51.863065][ T12] usb 1-1: config 0 has an invalid interface number: 189 but max is 0 [ 51.871267][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 51.881518][ T12] usb 1-1: config 0 has no interface number 0 [ 51.887873][ T12] usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 51.899471][ T12] usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 [ 51.908567][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 51.918301][ T12] usb 1-1: config 0 descriptor?? [ 52.183135][ T12] usb 1-1: string descriptor 0 read error: -71 [ 52.189780][ T12] hub 1-1:0.189: ignoring external hub [ 52.200677][ T12] input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input6 [ 52.392995][ T12] usb 1-1: reset high-speed USB device number 3 using dummy_hcd [ 52.632970][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 52.773064][ T12] INFO: trying to register non-static key. [ 52.778991][ T12] the code is fine but needs lockdep annotation. [ 52.785294][ T12] turning off the locking correctness validator. [ 52.791711][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc3+ #8 [ 52.799069][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.809232][ T12] Workqueue: usb_hub_wq hub_event [ 52.814502][ T12] Call Trace: [ 52.817792][ T12] dump_stack+0xca/0x13e [ 52.822024][ T12] register_lock_class+0x11ae/0x1240 [ 52.827290][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 52.832730][ T12] ? is_dynamic_key+0x1b0/0x1b0 [ 52.837584][ T12] ? save_stack+0x89/0xa0 [ 52.841985][ T12] __lock_acquire+0xfb/0x37c0 [ 52.846646][ T12] ? usb_autoresume_device+0x1e/0x60 [ 52.851905][ T12] ? usb_remote_wakeup+0x7b/0xb0 [ 52.856919][ T12] ? hub_event+0x23c9/0x35a0 [ 52.861654][ T12] ? process_one_work+0x90a/0x1580 [ 52.866875][ T12] ? worker_thread+0x7ab/0xe20 [ 52.871813][ T12] ? kthread+0x30e/0x420 [ 52.876051][ T12] ? ret_from_fork+0x3a/0x50 [ 52.880778][ T12] ? find_held_lock+0x2d/0x110 [ 52.885582][ T12] ? debug_check_no_obj_freed+0x20a/0x42e [ 52.891304][ T12] ? mark_held_locks+0xe0/0xe0 [ 52.896058][ T12] ? find_held_lock+0x2d/0x110 [ 52.900975][ T12] ? usb_port_resume+0x4e5/0x1200 [ 52.906096][ T12] lock_acquire+0x100/0x2b0 [ 52.910744][ T12] ? usbtouch_reset_resume+0xb3/0x170 [ 52.916164][ T12] ? usbtouch_reset_resume+0xb3/0x170 [ 52.921535][ T12] __mutex_lock+0xf9/0x12b0 [ 52.926031][ T12] ? usbtouch_reset_resume+0xb3/0x170 [ 52.931494][ T12] ? usbtouch_reset_resume+0xb3/0x170 [ 52.936872][ T12] ? kfree+0xd7/0x290 [ 52.940861][ T12] ? mutex_trylock+0x1a0/0x1a0 [ 52.945606][ T12] ? usb_port_resume+0x4ea/0x1200 [ 52.950604][ T12] ? usb_new_device+0xd50/0xd50 [ 52.955502][ T12] ? usbtouch_reset_resume+0xb3/0x170 [ 52.960896][ T12] usbtouch_reset_resume+0xb3/0x170 [ 52.966217][ T12] ? elo_read_data+0x2a0/0x2a0 [ 52.971199][ T12] usb_resume_interface.isra.0+0x187/0x3a0 [ 52.977404][ T12] usb_resume_both+0x23d/0x780 [ 52.982161][ T12] ? usb_suspend_both+0x780/0x780 [ 52.987360][ T12] ? mark_held_locks+0x9f/0xe0 [ 52.992215][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 52.997426][ T12] ? usb_runtime_suspend+0x120/0x120 [ 53.002854][ T12] __rpm_callback+0x287/0x3c0 [ 53.007637][ T12] ? usb_runtime_suspend+0x120/0x120 [ 53.012919][ T12] rpm_callback+0x18f/0x230 [ 53.017412][ T12] ? usb_runtime_suspend+0x120/0x120 [ 53.022687][ T12] rpm_resume+0x10c2/0x1840 [ 53.027320][ T12] ? pm_runtime_get_if_in_use+0x260/0x260 [ 53.033051][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 53.038215][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 53.043140][ T12] ? lock_acquire+0x100/0x2b0 [ 53.047799][ T12] ? __pm_runtime_resume+0xf5/0x180 [ 53.052982][ T12] __pm_runtime_resume+0x103/0x180 [ 53.058159][ T12] usb_autoresume_device+0x1e/0x60 [ 53.063242][ T12] usb_remote_wakeup+0x7b/0xb0 [ 53.067978][ T12] hub_event+0x23c9/0x35a0 [ 53.072445][ T12] ? mark_held_locks+0xe0/0xe0 [ 53.077210][ T12] ? hub_port_debounce+0x260/0x260 [ 53.082308][ T12] process_one_work+0x90a/0x1580 [ 53.087231][ T12] ? wq_pool_ids_show+0x300/0x300 [ 53.092259][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 53.097279][ T12] worker_thread+0x7ab/0xe20 [ 53.101988][ T12] ? process_one_work+0x1580/0x1580 [ 53.107183][ T12] kthread+0x30e/0x420 [ 53.111587][ T12] ? kthread_park+0x1a0/0x1a0 [ 53.116305][ T12] ret_from_fork+0x3a/0x50 [ 53.121581][ T4790] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 53.130373][ T4790] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 53.143006][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 53.150593][ T12] usb 1-1: USB disconnect, device number 3 [ 53.393081][ T12] usb usb1: dummy_bus_suspend [ 53.638322][ T4791] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 53.645341][ T4791] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 53.652757][ T12] usb usb1: dummy_bus_resume [ 53.657573][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 53.862962][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 53.932956][ T12] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 54.052974][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 54.142915][ C0] dummy_udc dummy_udc.0: set_address = 4 [ 54.172937][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 54.292998][ T12] usb 1-1: config 0 has an invalid interface number: 189 but max is 0 [ 54.301399][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 54.311622][ T12] usb 1-1: config 0 has no interface number 0 [ 54.317909][ T12] usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 54.329004][ T12] usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 [ 54.338212][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 54.347221][ T12] usb 1-1: config 0 descriptor?? 2019/05/26 01:04:54 executed programs: 2 [ 54.573213][ T4790] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 54.581615][ T4790] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 54.592870][ C0] dummy_hcd dummy_hcd.0: no ep configured for urb 0000000067043393 [ 54.603416][ T4796] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 54.611548][ T4796] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 54.618997][ C0] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000d1af943b [ 54.627111][ T12] usb 1-1: string descriptor 0 read error: -71 [ 54.633697][ T12] hub 1-1:0.189: ignoring external hub [ 54.642541][ T12] input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input7 [ 54.660095][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 54.693144][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 54.772977][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 54.842946][ T12] usb 1-1: reset high-speed USB device number 4 using dummy_hcd [ 54.963011][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 55.052896][ C0] dummy_udc dummy_udc.0: set_address = 4 [ 55.082923][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 55.253180][ T12] usb usb1: dummy_bus_suspend [ 55.383288][ T4795] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 55.391780][ T4795] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 55.399189][ T1477] usb usb1: dummy_bus_resume [ 55.404014][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 55.523030][ T1477] usb 1-1: USB disconnect, device number 4 [ 55.575217][ T1477] usb usb1: dummy_bus_suspend [ 55.900926][ T4796] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 55.907928][ T4796] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 55.915293][ T1477] usb usb1: dummy_bus_resume [ 55.920012][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 56.122980][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 56.192929][ T1477] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 56.312988][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 56.402879][ C1] dummy_udc dummy_udc.0: set_address = 5 [ 56.432932][ T1477] usb 1-1: Using ep0 maxpacket: 8 [ 56.552949][ T1477] usb 1-1: config 0 has an invalid interface number: 189 but max is 0 [ 56.561305][ T1477] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 56.571623][ T1477] usb 1-1: config 0 has no interface number 0 [ 56.577784][ T1477] usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 56.588943][ T1477] usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 [ 56.598116][ T1477] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.606757][ T1477] usb 1-1: config 0 descriptor?? [ 56.823161][ T4795] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 56.831716][ T4795] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 56.842868][ C1] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000f4ef7e00 [ 56.845383][ T4802] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 56.858855][ T4802] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 56.866167][ C1] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000491f2240 [ 56.874272][ T1477] usb 1-1: string descriptor 0 read error: -71 [ 56.880803][ T1477] hub 1-1:0.189: ignoring external hub [ 56.888725][ T1477] input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input8 [ 56.901152][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 56.933001][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 57.013179][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 57.082922][ T1477] usb 1-1: reset high-speed USB device number 5 using dummy_hcd [ 57.202950][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 57.292914][ C1] dummy_udc dummy_udc.0: set_address = 5 [ 57.322925][ T1477] usb 1-1: Using ep0 maxpacket: 8 [ 57.493087][ T1477] usb usb1: dummy_bus_suspend [ 57.623315][ T4800] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 57.631849][ T4800] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 57.639366][ T1477] usb usb1: dummy_bus_resume [ 57.644137][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 57.763027][ T1477] usb 1-1: USB disconnect, device number 5 [ 57.804908][ T1477] usb usb1: dummy_bus_suspend [ 58.140710][ T4802] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 58.147881][ T4802] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 58.155251][ T1477] usb usb1: dummy_bus_resume [ 58.159886][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 58.362979][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 58.432900][ T1477] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 58.552965][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 58.642909][ C1] dummy_udc dummy_udc.0: set_address = 6 [ 58.672899][ T1477] usb 1-1: Using ep0 maxpacket: 8 [ 58.792998][ T1477] usb 1-1: config 0 has an invalid interface number: 189 but max is 0 [ 58.801197][ T1477] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 58.811325][ T1477] usb 1-1: config 0 has no interface number 0 [ 58.817441][ T1477] usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 58.828491][ T1477] usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 [ 58.837621][ T1477] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 58.846382][ T1477] usb 1-1: config 0 descriptor?? [ 59.063168][ T4800] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 59.071574][ T4800] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 59.082871][ C1] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000e23d01c9 [ 59.083800][ T4806] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 59.097823][ T4806] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 59.112896][ C1] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000fed1e7d3 [ 59.121108][ T1477] usb 1-1: string descriptor 0 read error: -71 [ 59.127889][ T1477] hub 1-1:0.189: ignoring external hub [ 59.135177][ T1477] input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input9 [ 59.147383][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 59.183005][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 59.262968][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 59.332964][ T1477] usb 1-1: reset high-speed USB device number 6 using dummy_hcd [ 59.453003][ T1477] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 59.542908][ C1] dummy_udc dummy_udc.0: set_address = 6 [ 59.572939][ T1477] usb 1-1: Using ep0 maxpacket: 8 [ 59.743057][ T1477] usb usb1: dummy_bus_suspend [ 59.873225][ T4805] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 59.881692][ T4805] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 59.889266][ T12] usb usb1: dummy_bus_resume [ 59.893961][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 60.013051][ T12] usb 1-1: USB disconnect, device number 6 [ 60.055313][ T12] usb usb1: dummy_bus_suspend [ 60.389887][ T4806] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 60.396860][ T4806] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 60.404616][ T12] usb usb1: dummy_bus_resume [ 60.409302][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 60.612986][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 60.682953][ T12] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 60.802969][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 60.892902][ C0] dummy_udc dummy_udc.0: set_address = 7 [ 60.922950][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 61.043016][ T12] usb 1-1: config 0 has an invalid interface number: 189 but max is 0 [ 61.055181][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 61.065364][ T12] usb 1-1: config 0 has no interface number 0 [ 61.071458][ T12] usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x82 has an invalid bInterval 0, changing to 7 [ 61.082886][ T12] usb 1-1: New USB device found, idVendor=08f2, idProduct=007f, bcdDevice=97.17 [ 61.092152][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 61.101175][ T12] usb 1-1: config 0 descriptor?? 2019/05/26 01:05:01 executed programs: 5 [ 61.323203][ T4805] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 61.331608][ T4805] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 61.342869][ C0] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000032244aa [ 61.355824][ T4812] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 61.363103][ C0] dummy_hcd dummy_hcd.0: no ep configured for urb 00000000445b0f47 [ 61.371303][ T12] usb 1-1: string descriptor 0 read error: -71 [ 61.378173][ T4812] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 61.385963][ T12] hub 1-1:0.189: ignoring external hub [ 61.393619][ T12] input: USB Touchscreen 08f2:007f as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.189/input/input10 [ 61.407308][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 61.443035][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 61.523004][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 61.592946][ T12] usb 1-1: reset high-speed USB device number 7 using dummy_hcd [ 61.712981][ T12] dummy_hcd dummy_hcd.0: port status 0x00100503 has changes [ 61.802900][ C0] dummy_udc dummy_udc.0: set_address = 7 [ 61.832970][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 62.003059][ T12] usb usb1: dummy_bus_suspend [ 62.133309][ T4811] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 62.141786][ T4811] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 62.149190][ T1477] usb usb1: dummy_bus_resume [ 62.153885][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 62.273042][ T1477] usb 1-1: USB disconnect, device number 7 [ 62.315159][ T1477] usb usb1: dummy_bus_suspend [ 62.650945][ T4812] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 62.657986][ T4812] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 62.665435][ T1477] usb usb1: dummy_bus_resume [ 62.670094][ T1477] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes