Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. [ 13.684960][ C0] random: crng init done [ 13.689198][ C0] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts. syzkaller login: [ 29.209973][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 29.449799][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 29.569847][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 29.579579][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has invalid maxpacket 1792, setting to 1024 [ 29.590685][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 1024 [ 29.600776][ T12] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 29.609851][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.619456][ T12] usb 1-1: config 0 descriptor?? [ 29.639851][ T369] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 29.661861][ T12] smsusb:smsusb_probe: board id=2, interface number 0 [ 29.702751][ T12] smsusb:siano_media_device_register: media controller created [ 29.711439][ T12] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 29.719900][ T12] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 29.727024][ T12] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 29.734788][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.734914][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.734938][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.734964][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.734990][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.735016][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.735040][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.735062][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.735088][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.735110][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.807470][ T12] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 29.816611][ T12] ------------[ cut here ]------------ [ 29.822263][ T12] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 29.832635][ T12] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 29.841916][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 29.848496][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.7.0-rc6-syzkaller #0 [ 29.856650][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.866695][ T12] Workqueue: usb_hub_wq hub_event [ 29.872491][ T12] Call Trace: [ 29.875777][ T12] dump_stack+0xef/0x16e [ 29.881230][ T12] ? debug_print_object+0x150/0x250 [ 29.886424][ T12] panic+0x2aa/0x6e1 [ 29.890319][ T12] ? add_taint.cold+0x16/0x16 [ 29.895061][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 29.900328][ T12] ? __warn.cold+0x14/0x30 [ 29.904889][ T12] ? __warn+0xd5/0x1c8 [ 29.908938][ T12] ? debug_print_object+0x160/0x250 [ 29.914211][ T12] __warn.cold+0x2f/0x30 [ 29.918467][ T12] ? debug_print_object+0x160/0x250 [ 29.923761][ T12] report_bug+0x27b/0x2f0 [ 29.928079][ T12] do_error_trap+0x12b/0x1e0 [ 29.932688][ T12] ? debug_print_object+0x160/0x250 [ 29.937956][ T12] do_invalid_op+0x32/0x40 [ 29.942356][ T12] ? debug_print_object+0x160/0x250 [ 29.947575][ T12] invalid_op+0x23/0x30 [ 29.951724][ T12] RIP: 0010:debug_print_object+0x160/0x250 [ 29.957688][ T12] Code: dd a0 5f fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 5f fc 85 48 c7 c7 e0 53 fc 85 e8 08 75 27 ff <0f> 0b 83 05 7b fd fb 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 29.977309][ T12] RSP: 0018:ffff8881da21ee70 EFLAGS: 00010286 [ 29.983591][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 29.991571][ T12] RDX: 0000000000000000 RSI: ffffffff812a339d RDI: ffffed103b443dc0 [ 29.999642][ T12] RBP: 0000000000000001 R08: ffff8881da2098c0 R09: ffffed103b646292 [ 30.007590][ T12] R10: ffff8881db23148f R11: ffffed103b646291 R12: ffffffff870dfd60 [ 30.015538][ T12] R13: ffffffff811a2af0 R14: ffff8881ccfa0b08 R15: ffff8881d0d2c578 [ 30.023600][ T12] ? __exit_umh+0x2c0/0x2c0 [ 30.028089][ T12] ? vprintk_func+0x7d/0x113 [ 30.032679][ T12] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 30.037940][ T12] debug_check_no_obj_freed+0x2e5/0x449 [ 30.043483][ T12] ? kfree+0x194/0x300 [ 30.047615][ T12] ? smsusb_term_device+0xd9/0x160 [ 30.052701][ T12] kfree+0x18a/0x300 [ 30.056660][ T12] smsusb_term_device+0xd9/0x160 [ 30.061584][ T12] smsusb_init_device+0xa5c/0xae6 [ 30.066715][ T12] ? smsusb1_setmode.cold+0x2d/0x2d [ 30.071896][ T12] ? smsusb_disconnect+0x20/0x20 [ 30.076814][ T12] ? usb_clear_halt+0xa4/0x1c0 [ 30.081565][ T12] smsusb_probe+0xd5f/0xdfd [ 30.086057][ T12] ? smsusb_init_device+0xae6/0xae6 [ 30.091243][ T12] ? __pm_runtime_set_status+0x5d5/0xa10 [ 30.096854][ T12] ? rpm_callback+0x230/0x230 [ 30.101518][ T12] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 30.106792][ T12] ? __pm_runtime_resume+0x111/0x180 [ 30.112050][ T12] usb_probe_interface+0x310/0x800 [ 30.117144][ T12] ? usb_probe_device+0x230/0x230 [ 30.122158][ T12] really_probe+0x290/0xac0 [ 30.126645][ T12] driver_probe_device+0x223/0x350 [ 30.131849][ T12] __device_attach_driver+0x1d1/0x290 [ 30.137390][ T12] ? driver_allows_async_probing+0x160/0x160 [ 30.143353][ T12] bus_for_each_drv+0x162/0x1e0 [ 30.148184][ T12] ? bus_rescan_devices+0x20/0x20 [ 30.153193][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.158975][ T12] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 30.164239][ T12] __device_attach+0x21a/0x390 [ 30.168974][ T12] ? device_bind_driver+0xd0/0xd0 [ 30.173999][ T12] bus_probe_device+0x1e4/0x290 [ 30.178822][ T12] device_add+0x1367/0x1c40 [ 30.183300][ T12] ? wait_for_completion+0x280/0x280 [ 30.188660][ T12] ? device_link_remove+0x110/0x110 [ 30.193832][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.199717][ T12] usb_set_configuration+0xed4/0x1850 [ 30.205152][ T12] usb_generic_driver_probe+0x9d/0xe0 [ 30.210511][ T12] usb_probe_device+0xd9/0x230 [ 30.215260][ T12] ? usb_suspend+0x600/0x600 [ 30.219822][ T12] really_probe+0x290/0xac0 [ 30.224311][ T12] driver_probe_device+0x223/0x350 [ 30.229414][ T12] __device_attach_driver+0x1d1/0x290 [ 30.234761][ T12] ? driver_allows_async_probing+0x160/0x160 [ 30.241035][ T12] bus_for_each_drv+0x162/0x1e0 [ 30.245865][ T12] ? bus_rescan_devices+0x20/0x20 [ 30.250949][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.256831][ T12] ? lockdep_hardirqs_on+0x3c7/0x5d0 [ 30.262133][ T12] __device_attach+0x21a/0x390 [ 30.266905][ T12] ? device_bind_driver+0xd0/0xd0 [ 30.271909][ T12] bus_probe_device+0x1e4/0x290 [ 30.276737][ T12] device_add+0x1367/0x1c40 [ 30.281217][ T12] ? device_link_remove+0x110/0x110 [ 30.286401][ T12] usb_new_device.cold+0x552/0xf6e [ 30.291663][ T12] ? hub_disconnect+0x4a0/0x4a0 [ 30.296689][ T12] ? mark_held_locks+0x9f/0xe0 [ 30.302834][ T12] ? _raw_spin_unlock_irq+0x1f/0x30 [ 30.308029][ T12] hub_event+0x226d/0x43c0 [ 30.312512][ T12] ? hub_port_debounce+0x350/0x350 [ 30.317802][ T12] ? __x64_sys_sysinfo+0x31/0x40 [ 30.322874][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.330636][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.336694][ T12] ? _raw_spin_unlock_irq+0x1f/0x30 [ 30.341870][ T12] process_one_work+0x965/0x1630 [ 30.346785][ T12] ? lock_release+0x720/0x720 [ 30.351491][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.356843][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 30.361765][ T12] worker_thread+0x96/0xe20 [ 30.366243][ T12] ? process_one_work+0x1630/0x1630 [ 30.371416][ T12] kthread+0x326/0x430 [ 30.375457][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 30.380834][ T12] ret_from_fork+0x24/0x30 [ 30.386561][ T12] Kernel Offset: disabled [ 30.390924][ T12] Rebooting in 86400 seconds..