Warning: Permanently added '10.128.0.138' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.587481][ T5] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 23.827147][ T5] usb 1-1: Using ep0 maxpacket: 8 [ 23.947147][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 23.957191][ T5] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has invalid maxpacket 1792, setting to 1024 [ 23.968531][ T5] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 1024 [ 23.978605][ T5] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 23.987728][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 23.997458][ T5] usb 1-1: config 0 descriptor?? [ 24.017181][ T322] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 24.041091][ T5] smsusb:smsusb_probe: board id=2, interface number 0 [ 24.088036][ T5] smsusb:siano_media_device_register: media controller created [ 24.097780][ T5] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 24.106222][ T5] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 24.113400][ T5] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 24.121170][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121243][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121259][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121274][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121289][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121304][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121319][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121334][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121349][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.121364][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 24.194036][ T5] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 24.202301][ T5] ------------[ cut here ]------------ [ 24.207998][ T5] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 24.219285][ C0] WARNING: CPU: 0 PID: 5 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 24.219289][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 24.219292][ C0] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.8.0-rc1-syzkaller #0 [ 24.219296][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.219298][ C0] Workqueue: usb_hub_wq hub_event [ 24.219301][ C0] Call Trace: [ 24.219302][ C0] dump_stack+0xf6/0x16e [ 24.219304][ C0] ? debug_print_object+0x130/0x250 [ 24.219306][ C0] panic+0x2aa/0x6e1 [ 24.219308][ C0] ? __warn_printk+0xf3/0xf3 [ 24.219310][ C0] ? probe_kernel_read_allowed+0x92/0xd0 [ 24.219312][ C0] ? debug_print_object+0x160/0x250 [ 24.219314][ C0] ? __warn.cold+0x14/0x35 [ 24.219316][ C0] ? __warn+0xd6/0x1b2 [ 24.219318][ C0] ? debug_print_object+0x160/0x250 [ 24.219319][ C0] __warn.cold+0x2f/0x35 [ 24.219321][ C0] ? debug_print_object+0x160/0x250 [ 24.219323][ C0] report_bug+0x271/0x2f0 [ 24.219325][ C0] exc_invalid_op+0x1e4/0x370 [ 24.219327][ C0] asm_exc_invalid_op+0x12/0x20 [ 24.219329][ C0] RIP: 0010:debug_print_object+0x160/0x250 [ 24.219336][ C0] Code: dd 20 96 fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 96 fc 85 48 c7 c7 60 8a fc 85 e8 02 6d 27 ff <0f> 0b 83 05 7b 51 fe 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 24.219339][ C0] RSP: 0018:ffff8881da1d6ea0 EFLAGS: 00010282 [ 24.219343][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 24.219346][ C0] RDX: 0000000000000000 RSI: ffffffff81298423 RDI: ffffed103b43adc6 [ 24.219349][ C0] RBP: 0000000000000001 R08: ffff8881da19e400 R09: ffffed103b645ea2 [ 24.219352][ C0] R10: ffff8881db22f50f R11: ffffed103b645ea1 R12: ffffffff870de100 [ 24.219355][ C0] R13: ffffffff81199a20 R14: ffff8881cd908b08 R15: ffff8881d1cfcbd0 [ 24.219357][ C0] ? __exit_umh+0x2c0/0x2c0 [ 24.219359][ C0] ? vprintk_func+0x93/0x133 [ 24.219361][ C0] debug_check_no_obj_freed+0x2e5/0x449 [ 24.219362][ C0] ? kfree+0x194/0x300 [ 24.219364][ C0] ? smsusb_term_device+0xd9/0x160 [ 24.219366][ C0] kfree+0x18a/0x300 [ 24.219368][ C0] smsusb_term_device+0xd9/0x160 [ 24.219370][ C0] smsusb_init_device+0xa5c/0xae6 [ 24.219372][ C0] ? smsusb1_setmode.cold+0x2d/0x2d [ 24.219374][ C0] ? smsusb_disconnect+0x20/0x20 [ 24.219376][ C0] ? usb_clear_halt+0xa4/0x1c0 [ 24.219378][ C0] smsusb_probe+0xd85/0xe2d [ 24.219380][ C0] ? smsusb_init_device+0xae6/0xae6 [ 24.219382][ C0] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 24.219384][ C0] ? lockdep_hardirqs_on_prepare+0x370/0x550 [ 24.219386][ C0] ? __pm_runtime_set_status+0x587/0x940 [ 24.219388][ C0] usb_probe_interface+0x310/0x800 [ 24.219390][ C0] ? usb_probe_device+0x230/0x230 [ 24.219392][ C0] really_probe+0x290/0xac0 [ 24.219394][ C0] driver_probe_device+0x26b/0x3d0 [ 24.219396][ C0] __device_attach_driver+0x1d1/0x290 [ 24.219399][ C0] ? driver_allows_async_probing+0x160/0x160 [ 24.219400][ C0] bus_for_each_drv+0x162/0x1e0 [ 24.219402][ C0] ? bus_rescan_devices+0x20/0x20 [ 24.219404][ C0] __device_attach+0x21a/0x390 [ 24.219406][ C0] ? device_bind_driver+0xd0/0xd0 [ 24.219408][ C0] ? kobject_uevent_env+0x2b4/0x1560 [ 24.219410][ C0] bus_probe_device+0x1e4/0x290 [ 24.219412][ C0] device_add+0xb2b/0x1940 [ 24.219415][ C0] ? device_link_add_missing_supplier_links+0x370/0x370 [ 24.219417][ C0] usb_set_configuration+0xed4/0x1850 [ 24.219419][ C0] usb_generic_driver_probe+0x9d/0xe0 [ 24.219421][ C0] usb_probe_device+0xd9/0x230 [ 24.219423][ C0] ? usb_suspend+0x600/0x600 [ 24.219424][ C0] really_probe+0x290/0xac0 [ 24.219426][ C0] driver_probe_device+0x26b/0x3d0 [ 24.219428][ C0] __device_attach_driver+0x1d1/0x290 [ 24.219431][ C0] ? driver_allows_async_probing+0x160/0x160 [ 24.219433][ C0] bus_for_each_drv+0x162/0x1e0 [ 24.219435][ C0] ? bus_rescan_devices+0x20/0x20 [ 24.219437][ C0] __device_attach+0x21a/0x390 [ 24.219439][ C0] ? device_bind_driver+0xd0/0xd0 [ 24.219441][ C0] ? kobject_uevent_env+0x2b4/0x1560 [ 24.219443][ C0] bus_probe_device+0x1e4/0x290 [ 24.219444][ C0] device_add+0xb2b/0x1940 [ 24.219447][ C0] ? device_link_add_missing_supplier_links+0x370/0x370 [ 24.219449][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 24.219451][ C0] usb_new_device.cold+0x5a2/0xfd9 [ 24.219453][ C0] ? hub_disconnect+0x4a0/0x4a0 [ 24.219455][ C0] ? lockdep_hardirqs_on_prepare+0x370/0x550 [ 24.219457][ C0] hub_event+0x226d/0x43c0 [ 24.219459][ C0] ? hub_port_debounce+0x350/0x350 [ 24.219461][ C0] ? put_unbound_pool+0x171/0x760 [ 24.219463][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 24.219465][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 24.219467][ C0] process_one_work+0x965/0x1620 [ 24.219469][ C0] ? lock_release+0x710/0x710 [ 24.219471][ C0] ? pwq_dec_nr_in_flight+0x310/0x310 [ 24.219473][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 24.219475][ C0] worker_thread+0x96/0xe10 [ 24.219477][ C0] ? process_one_work+0x1620/0x1620 [ 24.219479][ C0] kthread+0x352/0x460 [ 24.219481][ C0] ? kthread_create_on_node+0xf0/0xf0 [ 24.219483][ C0] ? kthread_create_on_node+0xf0/0xf0 [ 24.219485][ C0] ret_from_fork+0x1f/0x30 [ 24.220210][ C0] Kernel Offset: disabled