[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.478174][ C1] random: crng init done [?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 '10.128.10.36' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.671013][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.910937][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 25.031087][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has wMaxPacketSize 0, skipping [ 25.041164][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 349 [ 25.051280][ T12] usb 1-1: New USB device found, idVendor=187f, idProduct=0201, bcdDevice=54.53 [ 25.060320][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.070147][ T12] usb 1-1: config 0 descriptor?? [ 25.091169][ T1715] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 25.112936][ T12] smsusb:smsusb_probe: board id=3, interface number 0 [ 25.152048][ T12] smsusb:siano_media_device_register: media controller created [ 25.160578][ T12] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 25.168954][ T12] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 25.176123][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176193][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176208][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176223][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176236][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176251][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176264][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176279][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176293][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.176307][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 25.248414][ T12] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 25.256101][ T12] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 25.264057][ T12] ------------[ cut here ]------------ [ 25.269597][ T12] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 25.279886][ T12] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 25.289265][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 25.295832][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc1-syzkaller #0 [ 25.303951][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.314006][ T12] Workqueue: usb_hub_wq hub_event [ 25.319001][ T12] Call Trace: [ 25.322275][ T12] dump_stack+0xef/0x16e [ 25.326510][ T12] ? debug_print_object+0xd0/0x250 [ 25.331711][ T12] panic+0x2aa/0x6e1 [ 25.335588][ T12] ? add_taint.cold+0x16/0x16 [ 25.340249][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 25.345517][ T12] ? __warn.cold+0x14/0x30 [ 25.349915][ T12] ? __warn+0xd5/0x1c8 [ 25.353971][ T12] ? debug_print_object+0x160/0x250 [ 25.359157][ T12] __warn.cold+0x2f/0x30 [ 25.363392][ T12] ? debug_print_object+0x160/0x250 [ 25.368565][ T12] report_bug+0x27b/0x2f0 [ 25.372871][ T12] do_error_trap+0x12b/0x1e0 [ 25.377434][ T12] ? debug_print_object+0x160/0x250 [ 25.382609][ T12] do_invalid_op+0x32/0x40 [ 25.386998][ T12] ? debug_print_object+0x160/0x250 [ 25.392169][ T12] invalid_op+0x23/0x30 [ 25.396299][ T12] RIP: 0010:debug_print_object+0x160/0x250 [ 25.402078][ T12] Code: dd a0 00 db 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 00 db 85 48 c7 c7 40 f6 da 85 e8 d8 b3 2b ff <0f> 0b 83 05 7b 78 bf 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 25.421764][ T12] RSP: 0018:ffff8881da226f60 EFLAGS: 00010282 [ 25.427809][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 25.435763][ T12] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b444dde [ 25.443715][ T12] RBP: 0000000000000001 R08: ffff8881da211880 R09: fffffbfff11f1eb6 [ 25.451665][ T12] R10: fffffbfff11f1eb5 R11: ffffffff88f8f5af R12: ffffffff86ed2ca0 [ 25.459617][ T12] R13: ffffffff811a1f30 R14: ffff8881cfbfcac0 R15: ffff8881ca9bf268 [ 25.467612][ T12] ? __exit_umh+0x2c0/0x2c0 [ 25.472092][ T12] ? vprintk_func+0x7d/0x113 [ 25.476663][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.481934][ T12] debug_check_no_obj_freed+0x2df/0x443 [ 25.487456][ T12] ? kfree+0x13a/0x310 [ 25.491505][ T12] ? smsusb_term_device+0xc2/0x120 [ 25.496598][ T12] kfree+0x152/0x310 [ 25.500478][ T12] smsusb_term_device+0xc2/0x120 [ 25.505392][ T12] smsusb_init_device+0x987/0x9d5 [ 25.510403][ T12] ? smsusb1_detectmode.cold+0x24/0x24 [ 25.515839][ T12] ? smsusb_disconnect+0x20/0x20 [ 25.520750][ T12] ? usb_clear_halt+0xa4/0x1c0 [ 25.525489][ T12] smsusb_probe+0x986/0xa24 [ 25.529967][ T12] ? smsusb_init_device+0x9d5/0x9d5 [ 25.535143][ T12] ? __pm_runtime_set_status+0x5d5/0xa10 [ 25.540749][ T12] ? rpm_callback+0x230/0x230 [ 25.545400][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.550660][ T12] ? __pm_runtime_resume+0x111/0x180 [ 25.555924][ T12] usb_probe_interface+0x305/0x7a0 [ 25.561011][ T12] ? usb_probe_device+0x100/0x100 [ 25.566013][ T12] really_probe+0x281/0x6d0 [ 25.570491][ T12] driver_probe_device+0x104/0x210 [ 25.575585][ T12] __device_attach_driver+0x1c2/0x220 [ 25.580933][ T12] ? driver_allows_async_probing+0x160/0x160 [ 25.586901][ T12] bus_for_each_drv+0x162/0x1e0 [ 25.591735][ T12] ? bus_rescan_devices+0x20/0x20 [ 25.596745][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.602532][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.607794][ T12] __device_attach+0x217/0x360 [ 25.612535][ T12] ? device_bind_driver+0xd0/0xd0 [ 25.617536][ T12] bus_probe_device+0x1e4/0x290 [ 25.622362][ T12] device_add+0x1480/0x1c20 [ 25.626843][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 25.632103][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 25.638146][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.643930][ T12] usb_set_configuration+0xe67/0x1740 [ 25.649542][ T12] generic_probe+0x9d/0xd5 [ 25.653946][ T12] usb_probe_device+0x99/0x100 [ 25.658773][ T12] ? usb_suspend+0x620/0x620 [ 25.663346][ T12] really_probe+0x281/0x6d0 [ 25.667825][ T12] driver_probe_device+0x104/0x210 [ 25.672923][ T12] __device_attach_driver+0x1c2/0x220 [ 25.678270][ T12] ? driver_allows_async_probing+0x160/0x160 [ 25.684228][ T12] bus_for_each_drv+0x162/0x1e0 [ 25.689068][ T12] ? bus_rescan_devices+0x20/0x20 [ 25.694071][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.699868][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 25.705250][ T12] __device_attach+0x217/0x360 [ 25.710006][ T12] ? device_bind_driver+0xd0/0xd0 [ 25.715055][ T12] bus_probe_device+0x1e4/0x290 [ 25.719885][ T12] device_add+0x1480/0x1c20 [ 25.724380][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 25.730425][ T12] usb_new_device.cold+0x6a4/0xe79 [ 25.735515][ T12] hub_event+0x1e59/0x3860 [ 25.739909][ T12] ? hub_port_debounce+0x260/0x260 [ 25.745003][ T12] ? find_held_lock+0x2d/0x110 [ 25.749757][ T12] ? mark_held_locks+0xe0/0xe0 [ 25.754506][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.760037][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.765311][ T12] process_one_work+0x92b/0x1530 [ 25.770240][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.775597][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 25.780599][ T12] worker_thread+0x96/0xe20 [ 25.785115][ T12] ? process_one_work+0x1530/0x1530 [ 25.790304][ T12] kthread+0x318/0x420 [ 25.794354][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 25.799714][ T12] ret_from_fork+0x24/0x30 [ 25.804850][ T12] Kernel Offset: disabled [ 25.809204][ T12] Rebooting in 86400 seconds..