[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 15.678113][ C1] random: crng init done [ 15.682582][ C1] random: 7 urandom warning(s) missed due to ratelimiting Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. [ 79.258792][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 79.348355][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 79.468195][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 79.477859][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has invalid maxpacket 1792, setting to 1024 [ 79.488907][ T83] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 1024 [ 79.498941][ T83] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 79.507931][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 79.517972][ T83] usb 1-1: config 0 descriptor?? [ 79.538243][ T359] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 79.560222][ T83] smsusb:smsusb_probe: board id=2, interface number 0 [ 79.600671][ T83] smsusb:siano_media_device_register: media controller created [ 79.609156][ T83] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 79.617373][ T83] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 79.624574][ T83] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 79.632275][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632340][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632355][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632369][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632383][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632396][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632410][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632424][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632438][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.632452][ C1] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 79.704344][ T83] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 79.712560][ T83] ------------[ cut here ]------------ [ 79.718125][ T83] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 79.728420][ T83] WARNING: CPU: 1 PID: 83 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 79.737668][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 79.744228][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.7.0-rc1-syzkaller #0 [ 79.752343][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.762406][ T83] Workqueue: usb_hub_wq hub_event [ 79.767397][ T83] Call Trace: [ 79.770658][ T83] dump_stack+0xef/0x16e [ 79.774871][ T83] ? debug_print_object+0x70/0x250 [ 79.779949][ T83] panic+0x2aa/0x6e1 [ 79.783812][ T83] ? add_taint.cold+0x16/0x16 [ 79.788459][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 79.793743][ T83] ? __warn.cold+0x14/0x30 [ 79.798126][ T83] ? __warn+0xd5/0x1c8 [ 79.802162][ T83] ? debug_print_object+0x160/0x250 [ 79.807339][ T83] __warn.cold+0x2f/0x30 [ 79.811557][ T83] ? debug_print_object+0x160/0x250 [ 79.816724][ T83] report_bug+0x27b/0x2f0 [ 79.821025][ T83] do_error_trap+0x12b/0x1e0 [ 79.825583][ T83] ? debug_print_object+0x160/0x250 [ 79.830746][ T83] do_invalid_op+0x32/0x40 [ 79.835128][ T83] ? debug_print_object+0x160/0x250 [ 79.840296][ T83] invalid_op+0x23/0x30 [ 79.844420][ T83] RIP: 0010:debug_print_object+0x160/0x250 [ 79.850759][ T83] Code: dd 60 5c fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 60 5c fc 85 48 c7 c7 a0 50 fc 85 e8 e8 60 27 ff <0f> 0b 83 05 db dc fb 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 79.870450][ T83] RSP: 0018:ffff8881d8b16e70 EFLAGS: 00010286 [ 79.876485][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 79.884426][ T83] RDX: 0000000000000000 RSI: ffffffff812a2d8d RDI: ffffed103b162dc0 [ 79.892379][ T83] RBP: 0000000000000001 R08: ffff8881d8a03180 R09: ffffed103b666292 [ 79.900319][ T83] R10: ffff8881db33148f R11: ffffed103b666291 R12: ffffffff870dfc00 [ 79.908260][ T83] R13: ffffffff811a24d0 R14: ffff8881ccc24b08 R15: ffff8881d25a50e0 [ 79.916207][ T83] ? __exit_umh+0x2c0/0x2c0 [ 79.920678][ T83] ? vprintk_func+0x7d/0x113 [ 79.925250][ T83] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 79.930503][ T83] debug_check_no_obj_freed+0x2e5/0x449 [ 79.936017][ T83] ? kfree+0x194/0x300 [ 79.940057][ T83] ? smsusb_term_device+0xd9/0x160 [ 79.945136][ T83] kfree+0x18a/0x300 [ 79.948999][ T83] smsusb_term_device+0xd9/0x160 [ 79.953912][ T83] smsusb_init_device+0xa5c/0xae6 [ 79.958908][ T83] ? smsusb1_setmode.cold+0x2d/0x2d [ 79.964072][ T83] ? smsusb_disconnect+0x20/0x20 [ 79.969089][ T83] ? usb_clear_halt+0xa4/0x1c0 [ 79.973820][ T83] smsusb_probe+0xd5f/0xdfd [ 79.978293][ T83] ? smsusb_init_device+0xae6/0xae6 [ 79.983492][ T83] ? __pm_runtime_set_status+0x5d5/0xa10 [ 79.989215][ T83] ? rpm_callback+0x230/0x230 [ 79.993860][ T83] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 79.999113][ T83] ? __pm_runtime_resume+0x111/0x180 [ 80.004366][ T83] usb_probe_interface+0x310/0x800 [ 80.009448][ T83] ? usb_probe_device+0x230/0x230 [ 80.014441][ T83] really_probe+0x290/0xac0 [ 80.018932][ T83] driver_probe_device+0x223/0x350 [ 80.024053][ T83] __device_attach_driver+0x1d1/0x290 [ 80.029396][ T83] ? driver_allows_async_probing+0x160/0x160 [ 80.035344][ T83] bus_for_each_drv+0x162/0x1e0 [ 80.040173][ T83] ? bus_rescan_devices+0x20/0x20 [ 80.045175][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 80.050950][ T83] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 80.056204][ T83] __device_attach+0x21a/0x390 [ 80.060969][ T83] ? device_bind_driver+0xd0/0xd0 [ 80.065963][ T83] bus_probe_device+0x1e4/0x290 [ 80.070784][ T83] device_add+0x1367/0x1c20 [ 80.075256][ T83] ? wait_for_completion+0x280/0x280 [ 80.080509][ T83] ? device_link_remove+0x110/0x110 [ 80.085674][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 80.091452][ T83] usb_set_configuration+0xed4/0x1850 [ 80.096792][ T83] usb_generic_driver_probe+0x9d/0xe0 [ 80.102152][ T83] usb_probe_device+0xd9/0x230 [ 80.106898][ T83] ? usb_suspend+0x600/0x600 [ 80.111459][ T83] really_probe+0x290/0xac0 [ 80.115931][ T83] driver_probe_device+0x223/0x350 [ 80.121013][ T83] __device_attach_driver+0x1d1/0x290 [ 80.126353][ T83] ? driver_allows_async_probing+0x160/0x160 [ 80.132304][ T83] bus_for_each_drv+0x162/0x1e0 [ 80.137122][ T83] ? bus_rescan_devices+0x20/0x20 [ 80.142114][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 80.147886][ T83] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 80.153141][ T83] __device_attach+0x21a/0x390 [ 80.157875][ T83] ? device_bind_driver+0xd0/0xd0 [ 80.162870][ T83] bus_probe_device+0x1e4/0x290 [ 80.167691][ T83] device_add+0x1367/0x1c20 [ 80.172176][ T83] ? device_link_remove+0x110/0x110 [ 80.177354][ T83] usb_new_device.cold+0x552/0xf6e [ 80.182433][ T83] ? hub_disconnect+0x4a0/0x4a0 [ 80.187252][ T83] ? mark_held_locks+0x9f/0xe0 [ 80.191986][ T83] ? _raw_spin_unlock_irq+0x1f/0x30 [ 80.197161][ T83] hub_event+0x226d/0x43c0 [ 80.201559][ T83] ? hub_port_debounce+0x350/0x350 [ 80.206751][ T83] ? umh_clean_and_save_pid+0x1/0xd0 [ 80.212007][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.217522][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 80.222774][ T83] ? _raw_spin_unlock_irq+0x1f/0x30 [ 80.227946][ T83] process_one_work+0x965/0x1630 [ 80.232856][ T83] ? lock_release+0x720/0x720 [ 80.237510][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 80.242858][ T83] ? rwlock_bug.part.0+0x90/0x90 [ 80.247771][ T83] worker_thread+0x96/0xe20 [ 80.252591][ T83] ? process_one_work+0x1630/0x1630 [ 80.257765][ T83] kthread+0x326/0x430 [ 80.261925][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 80.267262][ T83] ret_from_fork+0x24/0x30 [ 80.272318][ T83] Kernel Offset: disabled [ 80.276655][ T83] Rebooting in 86400 seconds..