Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 96.482334][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 96.722279][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 96.842463][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 96.850702][ T22] usb 1-1: config 0 has no interface number 0 [ 96.856859][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 96.867867][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 96.876926][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 96.886261][ T22] usb 1-1: config 0 descriptor?? [ 97.202638][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 97.223601][ T22] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 97.324430][ T22] usb 1-1: USB disconnect, device number 2 [ 97.692317][ T22] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 97.932282][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 98.052393][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 98.060664][ T22] usb 1-1: config 0 has no interface number 0 [ 98.066919][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 98.078064][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 98.087121][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.096325][ T22] usb 1-1: config 0 descriptor?? [ 98.432369][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 98.452757][ T22] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 98.554593][ T12] usb 1-1: USB disconnect, device number 3 [ 98.912724][ T12] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 99.152296][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 99.272399][ T12] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 99.280729][ T12] usb 1-1: config 0 has no interface number 0 [ 99.286929][ T12] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 99.298047][ T12] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 99.307133][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.315951][ T12] usb 1-1: config 0 descriptor?? [ 99.632388][ T12] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 99.652785][ T12] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 99.753851][ T22] usb 1-1: USB disconnect, device number 4 [ 100.102305][ T22] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 100.342293][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 100.462407][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 100.470632][ T22] usb 1-1: config 0 has no interface number 0 [ 100.477099][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 100.488128][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 100.497211][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.506007][ T22] usb 1-1: config 0 descriptor?? [ 100.812346][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 100.832742][ T22] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 100.943849][ T12] usb 1-1: USB disconnect, device number 5 [ 101.292730][ T12] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 101.532315][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 101.652399][ T12] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 101.660510][ T12] usb 1-1: config 0 has no interface number 0 [ 101.666673][ T12] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 101.677666][ T12] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 101.686738][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 101.695626][ T12] usb 1-1: config 0 descriptor?? [ 102.012432][ T12] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 102.032728][ T12] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 102.143817][ T22] usb 1-1: USB disconnect, device number 6 [ 102.502274][ T22] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 102.742283][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 102.862392][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 102.870838][ T22] usb 1-1: config 0 has no interface number 0 [ 102.877004][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 102.888087][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 102.897411][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 102.906325][ T22] usb 1-1: config 0 descriptor?? [ 103.222324][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 103.242799][ T22] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 103.343933][ T12] usb 1-1: USB disconnect, device number 7 [ 103.702840][ T12] usb 1-1: new high-speed USB device number 8 using dummy_hcd [ 103.942325][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 104.062384][ T12] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 104.070671][ T12] usb 1-1: config 0 has no interface number 0 [ 104.076928][ T12] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 104.088017][ T12] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 104.097087][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.105892][ T12] usb 1-1: config 0 descriptor?? [ 104.422835][ T12] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 104.442751][ T12] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 104.543827][ T22] usb 1-1: USB disconnect, device number 8 [ 104.892298][ T22] usb 1-1: new high-speed USB device number 9 using dummy_hcd [ 105.132334][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 105.252412][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 105.260516][ T22] usb 1-1: config 0 has no interface number 0 [ 105.266694][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 105.277681][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 105.286761][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 105.295781][ T22] usb 1-1: config 0 descriptor?? [ 105.612323][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 105.632755][ T22] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 105.733931][ T12] usb 1-1: USB disconnect, device number 9 [ 106.082753][ T12] usb 1-1: new high-speed USB device number 10 using dummy_hcd [ 106.322293][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 106.442376][ T12] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 106.450585][ T12] usb 1-1: config 0 has no interface number 0 [ 106.456781][ T12] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 106.467945][ T12] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 106.477143][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 106.486088][ T12] usb 1-1: config 0 descriptor?? [ 106.792355][ T12] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 106.812768][ T12] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 106.923835][ T22] usb 1-1: USB disconnect, device number 10 [ 107.272303][ T22] usb 1-1: new high-speed USB device number 11 using dummy_hcd [ 107.512311][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 107.632411][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 107.640656][ T22] usb 1-1: config 0 has no interface number 0 [ 107.647034][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 107.658019][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 107.667278][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 107.676157][ T22] usb 1-1: config 0 descriptor?? [ 107.982346][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 108.002786][ T22] appledisplay: probe of 1-1:0.16 failed with error -110 executing program [ 108.114072][ T22] usb 1-1: USB disconnect, device number 11 [ 108.472309][ T22] usb 1-1: new high-speed USB device number 12 using dummy_hcd [ 108.712295][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 108.832404][ T22] usb 1-1: config 0 has an invalid interface number: 16 but max is 0 [ 108.840561][ T22] usb 1-1: config 0 has no interface number 0 [ 108.846725][ T22] usb 1-1: config 0 interface 16 altsetting 0 endpoint 0x85 has an invalid bInterval 0, changing to 7 [ 108.857918][ T22] usb 1-1: New USB device found, idVendor=05ac, idProduct=9219, bcdDevice=7d.82 [ 108.866983][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 108.875775][ T22] usb 1-1: config 0 descriptor?? [ 109.192614][ T22] appledisplay 1-1:0.16: Error while getting initial brightness: -110 [ 109.212958][ T22] ------------[ cut here ]------------ [ 109.218589][ T22] ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 [ 109.229508][ T22] WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 109.238794][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 109.245507][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-rc1+ #0 [ 109.252861][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.262932][ T22] Workqueue: usb_hub_wq hub_event [ 109.268099][ T22] Call Trace: [ 109.271390][ T22] dump_stack+0xca/0x13e [ 109.275623][ T22] ? debug_print_object+0x130/0x250 [ 109.280915][ T22] panic+0x2a3/0x6da [ 109.284808][ T22] ? add_taint.cold+0x16/0x16 executing program [ 109.289470][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 109.294750][ T22] ? __warn.cold+0x14/0x3a [ 109.299142][ T22] ? __warn+0xd5/0x1d0 [ 109.303189][ T22] ? debug_print_object+0x160/0x250 [ 109.308375][ T22] __warn.cold+0x2f/0x3a [ 109.312599][ T22] ? debug_print_object+0x160/0x250 [ 109.317804][ T22] report_bug+0x27b/0x2f0 [ 109.322160][ T22] do_error_trap+0x12b/0x1e0 [ 109.326769][ T22] ? debug_print_object+0x160/0x250 [ 109.332255][ T22] do_invalid_op+0x32/0x40 [ 109.336668][ T22] ? debug_print_object+0x160/0x250 [ 109.341867][ T22] invalid_op+0x23/0x30 [ 109.346013][ T22] RIP: 0010:debug_print_object+0x160/0x250 [ 109.351804][ T22] Code: dd 00 c4 da 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 00 c4 da 85 48 c7 c7 a0 b9 da 85 e8 75 42 30 ff <0f> 0b 83 05 5b 2d a6 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 109.371653][ T22] RSP: 0018:ffff8881d968f130 EFLAGS: 00010282 [ 109.377798][ T22] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 109.385779][ T22] RDX: 0000000000000000 RSI: ffffffff8128bf9d RDI: ffffed103b2d1e18 [ 109.393729][ T22] RBP: 0000000000000001 R08: ffff8881da236000 R09: fffffbfff11b25ae [ 109.401696][ T22] R10: fffffbfff11b25ad R11: ffffffff88d92d6f R12: ffffffff86d0b080 [ 109.409649][ T22] R13: ffffffff812ecb30 R14: ffff8881d1a2ca68 R15: ffff8881cba037a8 [ 109.417696][ T22] ? calc_wheel_index+0x220/0x220 [ 109.422701][ T22] ? vprintk_func+0x7d/0x113 [ 109.427271][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 109.432552][ T22] debug_check_no_obj_freed+0x2df/0x443 [ 109.438082][ T22] ? kfree+0x215/0x2f0 [ 109.442147][ T22] ? appledisplay_probe+0x772/0xb37 [ 109.447324][ T22] kfree+0x20b/0x2f0 [ 109.451198][ T22] appledisplay_probe+0x772/0xb37 [ 109.456218][ T22] ? appledisplay_work+0x160/0x160 [ 109.461315][ T22] ? rpm_callback+0x230/0x230 [ 109.465984][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 109.471255][ T22] ? __pm_runtime_resume+0x111/0x180 [ 109.476528][ T22] usb_probe_interface+0x305/0x7a0 [ 109.481622][ T22] ? usb_probe_device+0x100/0x100 [ 109.486627][ T22] really_probe+0x281/0x6d0 [ 109.491109][ T22] driver_probe_device+0x104/0x210 [ 109.496196][ T22] __device_attach_driver+0x1c2/0x220 [ 109.501549][ T22] ? driver_allows_async_probing+0x160/0x160 [ 109.507521][ T22] bus_for_each_drv+0x162/0x1e0 [ 109.512367][ T22] ? bus_rescan_devices+0x20/0x20 [ 109.517374][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 109.523164][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 109.528516][ T22] __device_attach+0x217/0x360 [ 109.533297][ T22] ? device_bind_driver+0xd0/0xd0 [ 109.538302][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 109.543565][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 109.548830][ T22] bus_probe_device+0x1e4/0x290 [ 109.553691][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 109.559648][ T22] device_add+0xae6/0x16f0 [ 109.564042][ T22] ? uevent_store+0x50/0x50 [ 109.568524][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 109.574311][ T22] usb_set_configuration+0xdf6/0x1670 [ 109.579676][ T22] generic_probe+0x9d/0xd5 [ 109.584075][ T22] usb_probe_device+0x99/0x100 [ 109.588829][ T22] ? usb_suspend+0x620/0x620 [ 109.593409][ T22] really_probe+0x281/0x6d0 [ 109.597889][ T22] driver_probe_device+0x104/0x210 [ 109.602978][ T22] __device_attach_driver+0x1c2/0x220 [ 109.608329][ T22] ? driver_allows_async_probing+0x160/0x160 [ 109.614283][ T22] bus_for_each_drv+0x162/0x1e0 [ 109.619109][ T22] ? bus_rescan_devices+0x20/0x20 [ 109.624131][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 109.629922][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 109.635188][ T22] __device_attach+0x217/0x360 [ 109.640120][ T22] ? device_bind_driver+0xd0/0xd0 [ 109.645147][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 109.650423][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 109.655799][ T22] bus_probe_device+0x1e4/0x290 [ 109.660791][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 109.666677][ T22] device_add+0xae6/0x16f0 [ 109.671087][ T22] ? uevent_store+0x50/0x50 [ 109.675578][ T22] usb_new_device.cold+0x6a4/0xe79 [ 109.680678][ T22] hub_event+0x1b5c/0x3640 [ 109.685076][ T22] ? hub_port_debounce+0x260/0x260 [ 109.690168][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.695691][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 109.700961][ T22] process_one_work+0x92b/0x1530 [ 109.705882][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 109.711417][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 109.716427][ T22] worker_thread+0x96/0xe20 [ 109.720927][ T22] ? process_one_work+0x1530/0x1530 [ 109.726113][ T22] kthread+0x318/0x420 [ 109.730166][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 109.735519][ T22] ret_from_fork+0x24/0x30 [ 109.740990][ T22] Kernel Offset: disabled [ 109.745481][ T22] Rebooting in 86400 seconds..