[info] Using makefile-style concurrent boot in runlevel 2. [ 14.952913][ 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 '10.128.15.201' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 33.464540][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 33.554601][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 33.674989][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 33.684857][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has invalid maxpacket 1792, setting to 1024 [ 33.696108][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 1024 [ 33.706186][ T12] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 33.715229][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.724282][ T12] usb 1-1: config 0 descriptor?? [ 33.744626][ T1785] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 33.766344][ T12] smsusb:smsusb_probe: board id=2, interface number 0 [ 33.815989][ T12] smsusb:siano_media_device_register: media controller created [ 33.824607][ T12] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 33.832853][ T12] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 33.840015][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840129][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840156][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840181][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840208][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840232][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840251][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840265][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840279][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.840293][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 33.912357][ T12] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 33.920004][ T12] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 33.928099][ T12] ------------[ cut here ]------------ [ 33.933542][ T12] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 33.943804][ T12] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 33.953090][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 33.959655][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc6-syzkaller #0 [ 33.967776][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.978017][ T12] Workqueue: usb_hub_wq hub_event [ 33.983013][ T12] Call Trace: [ 33.986282][ T12] dump_stack+0xef/0x16e [ 33.990537][ T12] ? debug_print_object+0xf0/0x250 [ 33.995636][ T12] panic+0x2aa/0x6e1 [ 33.999507][ T12] ? add_taint.cold+0x16/0x16 [ 34.004158][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 34.009416][ T12] ? __warn.cold+0x14/0x30 [ 34.013807][ T12] ? __warn+0xd5/0x1c8 [ 34.017852][ T12] ? debug_print_object+0x160/0x250 [ 34.023025][ T12] __warn.cold+0x2f/0x30 [ 34.027303][ T12] ? debug_print_object+0x160/0x250 [ 34.032476][ T12] report_bug+0x27b/0x2f0 [ 34.036783][ T12] do_error_trap+0x12b/0x1e0 [ 34.041369][ T12] ? debug_print_object+0x160/0x250 [ 34.046555][ T12] do_invalid_op+0x32/0x40 [ 34.050951][ T12] ? debug_print_object+0x160/0x250 [ 34.056130][ T12] invalid_op+0x23/0x30 [ 34.060267][ T12] RIP: 0010:debug_print_object+0x160/0x250 [ 34.066051][ T12] Code: dd 40 0a fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 40 0a fc 85 48 c7 c7 80 fe fb 85 e8 38 ac 2a ff <0f> 0b 83 05 9b 95 f8 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 34.085633][ T12] RSP: 0018:ffff8881da226f48 EFLAGS: 00010286 [ 34.091674][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 34.099624][ T12] RDX: 0000000000000000 RSI: ffffffff8129598d RDI: ffffed103b444ddb [ 34.107575][ T12] RBP: 0000000000000001 R08: ffff8881da211880 R09: fffffbfff1269cae [ 34.115525][ T12] R10: fffffbfff1269cad R11: ffffffff8934e56f R12: ffffffff870d70e0 [ 34.123482][ T12] R13: ffffffff811a01f0 R14: ffff8881cd9ceac0 R15: ffff8881c7c44428 [ 34.131478][ T12] ? __exit_umh+0x2c0/0x2c0 [ 34.135960][ T12] ? vprintk_func+0x7d/0x113 [ 34.140530][ T12] ? debug_print_object+0x160/0x250 [ 34.145721][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.150979][ T12] debug_check_no_obj_freed+0x2df/0x443 [ 34.156501][ T12] ? kfree+0x194/0x300 [ 34.160543][ T12] ? smsusb_term_device+0xd9/0x160 [ 34.165663][ T12] kfree+0x18a/0x300 [ 34.169532][ T12] smsusb_term_device+0xd9/0x160 [ 34.174454][ T12] smsusb_init_device+0xa5c/0xae6 [ 34.179461][ T12] ? smsusb1_setmode.cold+0x2d/0x2d [ 34.184682][ T12] ? smsusb_disconnect+0x20/0x20 [ 34.189597][ T12] ? usb_clear_halt+0xa4/0x1c0 [ 34.194340][ T12] smsusb_probe+0xd5f/0xdfd [ 34.198823][ T12] ? smsusb_init_device+0xae6/0xae6 [ 34.203994][ T12] ? __pm_runtime_set_status+0x5d5/0xa10 [ 34.209601][ T12] ? rpm_callback+0x230/0x230 [ 34.214287][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.219665][ T12] ? __pm_runtime_resume+0x111/0x180 [ 34.224926][ T12] usb_probe_interface+0x310/0x800 [ 34.230013][ T12] ? usb_probe_device+0x140/0x140 [ 34.235026][ T12] really_probe+0x290/0xad0 [ 34.239518][ T12] driver_probe_device+0x223/0x350 [ 34.244607][ T12] __device_attach_driver+0x1d1/0x290 [ 34.249956][ T12] ? driver_allows_async_probing+0x160/0x160 [ 34.255914][ T12] bus_for_each_drv+0x162/0x1e0 [ 34.260826][ T12] ? bus_rescan_devices+0x20/0x20 [ 34.265847][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 34.271626][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.276884][ T12] __device_attach+0x217/0x390 [ 34.281623][ T12] ? device_bind_driver+0xd0/0xd0 [ 34.286635][ T12] bus_probe_device+0x1e4/0x290 [ 34.291471][ T12] device_add+0x1459/0x1bf0 [ 34.296054][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 34.301314][ T12] ? device_link_remove+0x110/0x110 [ 34.306485][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 34.312265][ T12] usb_set_configuration+0xe47/0x17d0 [ 34.317614][ T12] generic_probe+0x9d/0xd5 [ 34.322028][ T12] usb_probe_device+0xaf/0x140 [ 34.326773][ T12] ? usb_suspend+0x5f0/0x5f0 [ 34.331340][ T12] really_probe+0x290/0xad0 [ 34.335824][ T12] driver_probe_device+0x223/0x350 [ 34.340956][ T12] __device_attach_driver+0x1d1/0x290 [ 34.346305][ T12] ? driver_allows_async_probing+0x160/0x160 [ 34.352260][ T12] bus_for_each_drv+0x162/0x1e0 [ 34.357090][ T12] ? bus_rescan_devices+0x20/0x20 [ 34.362092][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 34.367873][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.373181][ T12] __device_attach+0x217/0x390 [ 34.377931][ T12] ? device_bind_driver+0xd0/0xd0 [ 34.382934][ T12] bus_probe_device+0x1e4/0x290 [ 34.387767][ T12] device_add+0x1459/0x1bf0 [ 34.392249][ T12] ? device_link_remove+0x110/0x110 [ 34.397428][ T12] usb_new_device.cold+0x540/0xcd0 [ 34.402516][ T12] hub_event+0x21cb/0x4300 [ 34.406908][ T12] ? hub_port_debounce+0x350/0x350 [ 34.411999][ T12] ? find_held_lock+0x2d/0x110 [ 34.416794][ T12] ? mark_held_locks+0xe0/0xe0 [ 34.421536][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.427055][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.432314][ T12] process_one_work+0x945/0x15c0 [ 34.437283][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 34.442632][ T12] ? do_raw_spin_lock+0x129/0x290 [ 34.447635][ T12] worker_thread+0x96/0xe20 [ 34.452240][ T12] ? process_one_work+0x15c0/0x15c0 [ 34.457417][ T12] kthread+0x318/0x420 [ 34.461464][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 34.466813][ T12] ret_from_fork+0x24/0x30 [ 34.472006][ T12] Kernel Offset: disabled [ 34.476378][ T12] Rebooting in 86400 seconds..