INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] 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 '10.128.10.56' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.872296][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.962506][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 29.082376][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 29.092235][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x83 has invalid maxpacket 1792, setting to 1024 [ 29.103496][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x83 has invalid maxpacket 1024 [ 29.113574][ T12] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 29.123404][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.132872][ T12] usb 1-1: config 0 descriptor?? [ 29.152735][ T1788] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 29.174234][ T12] smsusb:smsusb_probe: board id=2, interface number 0 [ 29.213414][ T12] smsusb:siano_media_device_register: media controller created [ 29.222009][ T12] smsmdtv:smscore_sendrequest_and_wait: sendrequest returned error -22 [ 29.230420][ T12] smsmdtv:smscore_set_device_mode: mode detect failed -22 [ 29.237610][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237681][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237695][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237710][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237724][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237738][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237752][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237766][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237780][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.237793][ C0] smsusb:smsusb_onresponse: error, urb status -71, 0 bytes [ 29.311343][ T12] smsmdtv:smscore_start_device: set device mode failed , rc -22 [ 29.319094][ T12] smsusb:smsusb_init_device: smscore_start_device(...) failed [ 29.327090][ T12] ------------[ cut here ]------------ [ 29.332657][ T12] ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 [ 29.342967][ T12] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 29.352277][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 29.358871][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc7-syzkaller #0 [ 29.367011][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.377117][ T12] Workqueue: usb_hub_wq hub_event [ 29.382129][ T12] Call Trace: [ 29.385433][ T12] dump_stack+0xef/0x16e [ 29.389682][ T12] ? debug_print_object+0x140/0x250 [ 29.394865][ T12] panic+0x2aa/0x6e1 [ 29.398803][ T12] ? add_taint.cold+0x16/0x16 [ 29.403484][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 29.408766][ T12] ? __warn.cold+0x14/0x30 [ 29.413228][ T12] ? __warn+0xd5/0x1c8 [ 29.417298][ T12] ? debug_print_object+0x160/0x250 [ 29.422489][ T12] __warn.cold+0x2f/0x30 [ 29.426751][ T12] ? debug_print_object+0x160/0x250 [ 29.431943][ T12] report_bug+0x27b/0x2f0 [ 29.436262][ T12] do_error_trap+0x12b/0x1e0 [ 29.440873][ T12] ? debug_print_object+0x160/0x250 [ 29.446053][ T12] do_invalid_op+0x32/0x40 [ 29.450517][ T12] ? debug_print_object+0x160/0x250 [ 29.455745][ T12] invalid_op+0x23/0x30 [ 29.459895][ T12] RIP: 0010:debug_print_object+0x160/0x250 [ 29.465831][ T12] Code: dd c0 0d fc 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 0d fc 85 48 c7 c7 00 02 fc 85 e8 88 c3 2a ff <0f> 0b 83 05 eb b0 f8 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 29.485523][ T12] RSP: 0018:ffff8881da226f48 EFLAGS: 00010286 [ 29.491571][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 29.499610][ T12] RDX: 0000000000000000 RSI: ffffffff81295a0d RDI: ffffed103b444ddb [ 29.507570][ T12] RBP: 0000000000000001 R08: ffff8881da211880 R09: ffffed103b646210 [ 29.515528][ T12] R10: ffffed103b64620f R11: ffff8881db23107f R12: ffffffff870d6fa0 [ 29.523535][ T12] R13: ffffffff811a01f0 R14: ffff8881cdee6ac0 R15: ffff8881c84f3578 [ 29.531554][ T12] ? __exit_umh+0x2c0/0x2c0 [ 29.536045][ T12] ? vprintk_func+0x7d/0x113 [ 29.540632][ T12] ? debug_print_object+0x160/0x250 [ 29.545951][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.551229][ T12] debug_check_no_obj_freed+0x2df/0x443 [ 29.556814][ T12] ? kfree+0x194/0x300 [ 29.560865][ T12] ? smsusb_term_device+0xd9/0x160 [ 29.566112][ T12] kfree+0x18a/0x300 [ 29.570003][ T12] smsusb_term_device+0xd9/0x160 [ 29.574933][ T12] smsusb_init_device+0xa5c/0xae6 [ 29.579970][ T12] ? smsusb1_setmode.cold+0x2d/0x2d [ 29.585171][ T12] ? smsusb_disconnect+0x20/0x20 [ 29.590092][ T12] ? usb_clear_halt+0xa4/0x1c0 [ 29.594845][ T12] smsusb_probe+0xd5f/0xdfd [ 29.599342][ T12] ? smsusb_init_device+0xae6/0xae6 [ 29.604593][ T12] ? __pm_runtime_set_status+0x5d5/0xa10 [ 29.610208][ T12] ? rpm_callback+0x230/0x230 [ 29.614973][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.620251][ T12] ? __pm_runtime_resume+0x111/0x180 [ 29.625526][ T12] usb_probe_interface+0x310/0x800 [ 29.630628][ T12] ? usb_probe_device+0x140/0x140 [ 29.635764][ T12] really_probe+0x290/0xad0 [ 29.640253][ T12] driver_probe_device+0x223/0x350 [ 29.645421][ T12] __device_attach_driver+0x1d1/0x290 [ 29.650782][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.656746][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.661635][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.666703][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.672572][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.677852][ T12] __device_attach+0x217/0x390 [ 29.682617][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.687634][ T12] bus_probe_device+0x1e4/0x290 [ 29.692639][ T12] device_add+0x1459/0x1bf0 [ 29.697192][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 29.702603][ T12] ? device_link_remove+0x110/0x110 [ 29.707916][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.713718][ T12] usb_set_configuration+0xe47/0x17d0 [ 29.719111][ T12] generic_probe+0x9d/0xd5 [ 29.723534][ T12] usb_probe_device+0xaf/0x140 [ 29.728305][ T12] ? usb_suspend+0x5f0/0x5f0 [ 29.732888][ T12] really_probe+0x290/0xad0 [ 29.737515][ T12] driver_probe_device+0x223/0x350 [ 29.742609][ T12] __device_attach_driver+0x1d1/0x290 [ 29.747996][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.753968][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.758803][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.764096][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.769880][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.775251][ T12] __device_attach+0x217/0x390 [ 29.780021][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.785041][ T12] bus_probe_device+0x1e4/0x290 [ 29.789881][ T12] device_add+0x1459/0x1bf0 [ 29.794547][ T12] ? device_link_remove+0x110/0x110 [ 29.800723][ T12] usb_new_device.cold+0x540/0xcd0 [ 29.805833][ T12] hub_event+0x21cb/0x4300 [ 29.810253][ T12] ? hub_port_debounce+0x350/0x350 [ 29.815486][ T12] ? find_held_lock+0x2d/0x110 [ 29.820247][ T12] ? mark_held_locks+0xe0/0xe0 [ 29.825044][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.830572][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.835930][ T12] process_one_work+0x945/0x15c0 [ 29.840979][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.846448][ T12] ? do_raw_spin_lock+0x129/0x290 [ 29.851460][ T12] worker_thread+0x96/0xe20 [ 29.855961][ T12] ? process_one_work+0x15c0/0x15c0 [ 29.861148][ T12] kthread+0x318/0x420 [ 29.865260][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 29.870617][ T12] ret_from_fork+0x24/0x30 [ 29.875968][ T12] Kernel Offset: disabled [ 29.880340][ T12] Rebooting in 86400 seconds..