[info] Using makefile-style concurrent boot in runlevel 2. [ 13.841820][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 21.829336][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 21.919505][ T94] usb 1-1: Using ep0 maxpacket: 8 [ 22.039378][ T94] usb 1-1: config index 0 descriptor too short (expected 65532, got 36) [ 22.047825][ T94] usb 1-1: config 255 has too many interfaces: 255, using maximum allowed: 32 [ 22.056727][ T94] usb 1-1: config 255 has 1 interface, different from the descriptor's value: 255 [ 22.065979][ T94] usb 1-1: config 255 interface 0 altsetting 0 endpoint 0xB has an invalid bInterval 0, changing to 7 [ 22.076938][ T94] usb 1-1: config 255 interface 0 altsetting 0 bulk endpoint 0x82 has invalid maxpacket 616 [ 22.087045][ T94] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=5f.31 [ 22.096082][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 22.119515][ T1787] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 22.141151][ T94] smsusb:smsusb_probe: board id=2, interface number 0 [ 22.180945][ T94] smsusb:siano_media_device_register: media controller created [ 22.190137][ T94] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 22.198399][ T94] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 22.205595][ T94] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 22.213340][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213407][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213421][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213435][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213449][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213463][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213476][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213490][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213504][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.213517][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 22.285757][ T94] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 22.293746][ T94] ------------[ cut here ]------------ [ 22.299245][ T94] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 22.309537][ T94] WARNING: CPU: 0 PID: 94 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 22.318837][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 22.325459][ T94] CPU: 0 PID: 94 Comm: kworker/0:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 22.333583][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.343623][ T94] Workqueue: usb_hub_wq hub_event [ 22.348619][ T94] Call Trace: [ 22.351888][ T94] dump_stack+0xef/0x16e [ 22.356119][ T94] ? debug_print_object+0x100/0x250 [ 22.361294][ T94] panic+0x2aa/0x6e1 [ 22.365178][ T94] ? add_taint.cold+0x16/0x16 [ 22.369833][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 22.375105][ T94] ? __warn.cold+0x14/0x30 [ 22.379497][ T94] ? __warn+0xd5/0x1c8 [ 22.383557][ T94] ? debug_print_object+0x160/0x250 [ 22.388728][ T94] __warn.cold+0x2f/0x30 [ 22.392945][ T94] ? debug_print_object+0x160/0x250 [ 22.398118][ T94] report_bug+0x27b/0x2f0 [ 22.402540][ T94] do_error_trap+0x12b/0x1e0 [ 22.407113][ T94] ? debug_print_object+0x160/0x250 [ 22.412286][ T94] do_invalid_op+0x32/0x40 [ 22.416694][ T94] ? debug_print_object+0x160/0x250 [ 22.421879][ T94] invalid_op+0x23/0x30 [ 22.426024][ T94] RIP: 0010:debug_print_object+0x160/0x250 [ 22.431815][ T94] Code: dd c0 34 fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 34 fc 85 48 c7 c7 00 29 fc 85 e8 38 22 29 ff <0f> 0b 83 05 2b 43 fb 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 22.451445][ T94] RSP: 0018:ffff8881d5cc6f28 EFLAGS: 00010282 [ 22.457505][ T94] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 22.465497][ T94] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab98dd7 [ 22.473500][ T94] RBP: 0000000000000001 R08: ffff8881d7a8e200 R09: fffffbfff1266c8f [ 22.481450][ T94] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: ffffffff870d8ac0 [ 22.489454][ T94] R13: ffffffff8119fc90 R14: ffff8881ce6bcac0 R15: ffff8881cfcfe1c0 [ 22.497411][ T94] ? __exit_umh+0x2c0/0x2c0 [ 22.501893][ T94] ? vprintk_func+0x7d/0x113 [ 22.506461][ T94] ? debug_print_object+0x160/0x250 [ 22.511634][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 22.516909][ T94] debug_check_no_obj_freed+0x2e1/0x445 [ 22.522430][ T94] ? kfree+0x194/0x300 [ 22.526476][ T94] ? smsusb_term_device+0xd9/0x160 [ 22.531581][ T94] kfree+0x18a/0x300 [ 22.535469][ T94] smsusb_term_device+0xd9/0x160 [ 22.540432][ T94] smsusb_init_device+0xa5c/0xae6 [ 22.545453][ T94] ? smsusb1_setmode.cold+0x2d/0x2d [ 22.550630][ T94] ? smsusb_disconnect+0x20/0x20 [ 22.555543][ T94] ? usb_clear_halt+0xa4/0x1c0 [ 22.560282][ T94] smsusb_probe+0xd5f/0xdfd [ 22.564764][ T94] ? smsusb_init_device+0xae6/0xae6 [ 22.569943][ T94] ? __pm_runtime_set_status+0x5d5/0xa10 [ 22.575595][ T94] ? rpm_callback+0x230/0x230 [ 22.580253][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 22.585516][ T94] ? __pm_runtime_resume+0x111/0x180 [ 22.590792][ T94] usb_probe_interface+0x310/0x800 [ 22.595880][ T94] ? usb_probe_device+0x230/0x230 [ 22.600877][ T94] really_probe+0x290/0xac0 [ 22.605353][ T94] driver_probe_device+0x223/0x350 [ 22.610442][ T94] __device_attach_driver+0x1d1/0x290 [ 22.615789][ T94] ? driver_allows_async_probing+0x160/0x160 [ 22.621796][ T94] bus_for_each_drv+0x162/0x1e0 [ 22.626636][ T94] ? bus_rescan_devices+0x20/0x20 [ 22.631652][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 22.637446][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 22.642723][ T94] __device_attach+0x217/0x390 [ 22.647472][ T94] ? device_bind_driver+0xd0/0xd0 [ 22.652486][ T94] bus_probe_device+0x1e4/0x290 [ 22.657319][ T94] device_add+0x1459/0x1bf0 [ 22.661804][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 22.667069][ T94] ? device_link_remove+0x110/0x110 [ 22.672247][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 22.678045][ T94] usb_set_configuration+0xe47/0x17d0 [ 22.683407][ T94] usb_generic_driver_probe+0x9d/0xe0 [ 22.688802][ T94] usb_probe_device+0xd9/0x230 [ 22.693558][ T94] ? usb_suspend+0x5f0/0x5f0 [ 22.698131][ T94] really_probe+0x290/0xac0 [ 22.702628][ T94] driver_probe_device+0x223/0x350 [ 22.707721][ T94] __device_attach_driver+0x1d1/0x290 [ 22.713073][ T94] ? driver_allows_async_probing+0x160/0x160 [ 22.719079][ T94] bus_for_each_drv+0x162/0x1e0 [ 22.723911][ T94] ? bus_rescan_devices+0x20/0x20 [ 22.728914][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 22.734727][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 22.739989][ T94] __device_attach+0x217/0x390 [ 22.744756][ T94] ? device_bind_driver+0xd0/0xd0 [ 22.749755][ T94] bus_probe_device+0x1e4/0x290 [ 22.754584][ T94] device_add+0x1459/0x1bf0 [ 22.759089][ T94] ? device_link_remove+0x110/0x110 [ 22.764275][ T94] usb_new_device.cold+0x540/0xcd0 [ 22.769374][ T94] hub_event+0x21cb/0x4300 [ 22.773766][ T94] ? hub_port_debounce+0x350/0x350 [ 22.778851][ T94] ? find_held_lock+0x2d/0x110 [ 22.783604][ T94] ? mark_held_locks+0xe0/0xe0 [ 22.788345][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 22.793865][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 22.799127][ T94] process_one_work+0x94b/0x1620 [ 22.804041][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 22.809398][ T94] ? do_raw_spin_lock+0x129/0x290 [ 22.814409][ T94] worker_thread+0x96/0xe20 [ 22.818937][ T94] ? process_one_work+0x1620/0x1620 [ 22.824121][ T94] kthread+0x318/0x420 [ 22.828168][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 22.833523][ T94] ret_from_fork+0x24/0x30 [ 22.838633][ T94] Kernel Offset: disabled [ 22.842979][ T94] Rebooting in 86400 seconds..