Warning: Permanently added '10.128.0.233' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.671933][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.761628][ T95] usb 1-1: Using ep0 maxpacket: 8 [ 25.881552][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 25.891851][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has invalid maxpacket 1589, setting to 1024 [ 25.902960][ T95] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 1024 [ 25.912982][ T95] usb 1-1: New USB device found, idVendor=187f, idProduct=0100, bcdDevice=1f.01 [ 25.922058][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.931662][ T95] usb 1-1: config 0 descriptor?? [ 25.951594][ T1790] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 25.973265][ T95] smsusb:smsusb_probe: board id=1, interface number 0 [ 26.012520][ T95] smsusb:siano_media_device_register: media controller created [ 26.020875][ T95] smsusb:smsusb1_detectmode: product string not found [ 26.028002][ T95] smsmdtv:smscore_set_device_mode: return error code -22. [ 26.035216][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035308][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035329][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035348][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035363][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035376][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035390][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035404][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035425][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.035442][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 26.107855][ T95] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 26.115519][ T95] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 26.123361][ T95] ------------[ cut here ]------------ [ 26.128837][ T95] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 26.139156][ T95] WARNING: CPU: 0 PID: 95 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 26.148427][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 26.155004][ T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.6.0-rc5-syzkaller #0 [ 26.163124][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.173161][ T95] Workqueue: usb_hub_wq hub_event [ 26.180014][ T95] Call Trace: [ 26.183335][ T95] dump_stack+0xef/0x16e [ 26.187589][ T95] ? debug_print_object+0x120/0x250 [ 26.192811][ T95] panic+0x2aa/0x6e1 [ 26.196680][ T95] ? add_taint.cold+0x16/0x16 [ 26.201382][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 26.206652][ T95] ? __warn.cold+0x14/0x30 [ 26.211049][ T95] ? __warn+0xd5/0x1c8 [ 26.215101][ T95] ? debug_print_object+0x160/0x250 [ 26.220282][ T95] __warn.cold+0x2f/0x30 [ 26.224515][ T95] ? debug_print_object+0x160/0x250 [ 26.229692][ T95] report_bug+0x27b/0x2f0 [ 26.234011][ T95] do_error_trap+0x12b/0x1e0 [ 26.238591][ T95] ? debug_print_object+0x160/0x250 [ 26.243768][ T95] do_invalid_op+0x32/0x40 [ 26.248429][ T95] ? debug_print_object+0x160/0x250 [ 26.253699][ T95] invalid_op+0x23/0x30 [ 26.257837][ T95] RIP: 0010:debug_print_object+0x160/0x250 [ 26.263652][ T95] Code: dd 20 37 fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 37 fc 85 48 c7 c7 60 2b fc 85 e8 98 0b 29 ff <0f> 0b 83 05 0b 3a fb 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 26.283233][ T95] RSP: 0018:ffff8881d58bef28 EFLAGS: 00010282 [ 26.289273][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 26.297228][ T95] RDX: 0000000000000000 RSI: ffffffff812972fd RDI: ffffed103ab17dd7 [ 26.305181][ T95] RBP: 0000000000000001 R08: ffff8881d58b0000 R09: fffffbfff1266e8f [ 26.313135][ T95] R10: fffffbfff1266e8e R11: ffffffff89337477 R12: ffffffff870d8b00 [ 26.321086][ T95] R13: ffffffff8119f700 R14: ffff8881cd974ac0 R15: ffff8881cde6c620 [ 26.329048][ T95] ? __exit_umh+0x2c0/0x2c0 [ 26.333532][ T95] ? vprintk_func+0x7d/0x113 [ 26.338102][ T95] ? debug_print_object+0x160/0x250 [ 26.343275][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 26.348547][ T95] debug_check_no_obj_freed+0x2e1/0x445 [ 26.354192][ T95] ? kfree+0x194/0x300 [ 26.358271][ T95] ? smsusb_term_device+0xd9/0x160 [ 26.363355][ T95] kfree+0x18a/0x300 [ 26.367224][ T95] smsusb_term_device+0xd9/0x160 [ 26.372139][ T95] smsusb_init_device+0xa5c/0xae6 [ 26.377139][ T95] ? smsusb1_setmode.cold+0x2d/0x2d [ 26.382309][ T95] ? do_submit_urb+0x60/0x60 [ 26.386873][ T95] ? smsusb_sendrequest+0x2e0/0x2e0 [ 26.392048][ T95] ? smsusb_disconnect+0x20/0x20 [ 26.396965][ T95] ? usb_clear_halt+0xa4/0x1c0 [ 26.401719][ T95] smsusb_probe+0xd5f/0xdfd [ 26.406234][ T95] ? smsusb_init_device+0xae6/0xae6 [ 26.411415][ T95] ? __pm_runtime_set_status+0x5d5/0xa10 [ 26.417022][ T95] ? rpm_callback+0x230/0x230 [ 26.421684][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 26.426976][ T95] ? __pm_runtime_resume+0x111/0x180 [ 26.432257][ T95] usb_probe_interface+0x310/0x800 [ 26.437347][ T95] ? usb_probe_device+0x230/0x230 [ 26.442359][ T95] really_probe+0x290/0xac0 [ 26.446840][ T95] driver_probe_device+0x223/0x350 [ 26.451938][ T95] __device_attach_driver+0x1d1/0x290 [ 26.457284][ T95] ? driver_allows_async_probing+0x160/0x160 [ 26.463240][ T95] bus_for_each_drv+0x162/0x1e0 [ 26.468111][ T95] ? bus_rescan_devices+0x20/0x20 [ 26.473127][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.478920][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 26.484186][ T95] __device_attach+0x217/0x390 [ 26.488924][ T95] ? device_bind_driver+0xd0/0xd0 [ 26.493924][ T95] bus_probe_device+0x1e4/0x290 [ 26.499472][ T95] device_add+0x1459/0x1bf0 [ 26.503956][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 26.509228][ T95] ? device_link_remove+0x110/0x110 [ 26.514418][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.520203][ T95] usb_set_configuration+0xe47/0x17d0 [ 26.525560][ T95] usb_generic_driver_probe+0x9d/0xe0 [ 26.530917][ T95] usb_probe_device+0xd9/0x230 [ 26.535658][ T95] ? usb_suspend+0x5f0/0x5f0 [ 26.540485][ T95] really_probe+0x290/0xac0 [ 26.544972][ T95] driver_probe_device+0x223/0x350 [ 26.550069][ T95] __device_attach_driver+0x1d1/0x290 [ 26.555457][ T95] ? driver_allows_async_probing+0x160/0x160 [ 26.561438][ T95] bus_for_each_drv+0x162/0x1e0 [ 26.566266][ T95] ? bus_rescan_devices+0x20/0x20 [ 26.571271][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.577066][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 26.582327][ T95] __device_attach+0x217/0x390 [ 26.587077][ T95] ? device_bind_driver+0xd0/0xd0 [ 26.592078][ T95] bus_probe_device+0x1e4/0x290 [ 26.596908][ T95] device_add+0x1459/0x1bf0 [ 26.601393][ T95] ? device_link_remove+0x110/0x110 [ 26.606575][ T95] usb_new_device.cold+0x540/0xcd0 [ 26.611663][ T95] hub_event+0x21cb/0x4300 [ 26.616051][ T95] ? hub_port_debounce+0x350/0x350 [ 26.621137][ T95] ? find_held_lock+0x2d/0x110 [ 26.625883][ T95] ? mark_held_locks+0xe0/0xe0 [ 26.630659][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.636194][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.641489][ T95] process_one_work+0x94b/0x1620 [ 26.646418][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.651780][ T95] ? do_raw_spin_lock+0x129/0x290 [ 26.656784][ T95] worker_thread+0x96/0xe20 [ 26.661263][ T95] ? process_one_work+0x1620/0x1620 [ 26.666439][ T95] kthread+0x318/0x420 [ 26.670517][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 26.675868][ T95] ret_from_fork+0x24/0x30 [ 26.680857][ T95] Kernel Offset: disabled [ 26.685222][ T95] Rebooting in 86400 seconds..