[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 16.017708][ 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 '10.128.0.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.235383][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.325009][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 27.444861][ T83] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 27.455217][ T83] usb 1-1: config 0 interface 0 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 27.468310][ T83] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=19.d3 [ 27.477546][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.486996][ T83] usb 1-1: config 0 descriptor?? [ 27.526805][ T83] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 27.964790][ T83] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 27.972788][ T83] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 27.979894][ T83] rsi_91x: rsi_probe: Failed in device init [ 27.987121][ T83] ------------[ cut here ]------------ [ 27.992738][ T83] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x40 [ 28.003175][ T83] WARNING: CPU: 1 PID: 83 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 28.012452][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 28.019022][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.5.0-rc6-syzkaller #0 [ 28.027152][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.037219][ T83] Workqueue: usb_hub_wq hub_event [ 28.042349][ T83] Call Trace: [ 28.045629][ T83] dump_stack+0xef/0x16e [ 28.049866][ T83] ? debug_print_object+0xf0/0x250 [ 28.054973][ T83] panic+0x2aa/0x6e1 [ 28.058861][ T83] ? add_taint.cold+0x16/0x16 [ 28.063523][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 28.068801][ T83] ? __warn.cold+0x14/0x30 [ 28.073200][ T83] ? __warn+0xd5/0x1c8 [ 28.077313][ T83] ? debug_print_object+0x160/0x250 [ 28.082553][ T83] __warn.cold+0x2f/0x30 [ 28.086784][ T83] ? debug_print_object+0x160/0x250 [ 28.091980][ T83] report_bug+0x27b/0x2f0 [ 28.096451][ T83] do_error_trap+0x12b/0x1e0 [ 28.101047][ T83] ? debug_print_object+0x160/0x250 [ 28.106235][ T83] do_invalid_op+0x32/0x40 [ 28.110644][ T83] ? debug_print_object+0x160/0x250 [ 28.115834][ T83] invalid_op+0x23/0x30 [ 28.119975][ T83] RIP: 0010:debug_print_object+0x160/0x250 [ 28.125991][ T83] 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 [ 28.145678][ T83] RSP: 0018:ffff8881d8b07108 EFLAGS: 00010286 [ 28.151851][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 28.159897][ T83] RDX: 0000000000000000 RSI: ffffffff8129598d RDI: ffffed103b160e13 [ 28.167857][ T83] RBP: 0000000000000001 R08: ffff8881d8af8000 R09: fffffbfff1269cae [ 28.175920][ T83] R10: fffffbfff1269cad R11: ffffffff8934e56f R12: ffffffff87112520 [ 28.183886][ T83] R13: ffffffff812f73f0 R14: ffff8881cdcf1250 R15: ffff8881c808d770 [ 28.191860][ T83] ? calc_wheel_index+0x220/0x220 [ 28.196878][ T83] ? vprintk_func+0x7d/0x113 [ 28.201568][ T83] ? debug_print_object+0x160/0x250 [ 28.206754][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.212034][ T83] debug_check_no_obj_freed+0x2df/0x443 [ 28.217588][ T83] ? kfree+0x194/0x300 [ 28.221659][ T83] ? rsi_probe+0xe71/0x1529 [ 28.226165][ T83] kfree+0x18a/0x300 [ 28.230050][ T83] rsi_probe+0xe71/0x1529 [ 28.234362][ T83] ? __pm_runtime_set_status+0x5d5/0xa10 [ 28.239978][ T83] ? rsi_disconnect+0x630/0x630 [ 28.244818][ T83] ? __lock_acquire+0x2330/0x3b60 [ 28.249941][ T83] ? __pm_runtime_resume+0x111/0x180 [ 28.255241][ T83] usb_probe_interface+0x310/0x800 [ 28.260342][ T83] ? usb_probe_device+0x140/0x140 [ 28.265365][ T83] really_probe+0x290/0xad0 [ 28.269860][ T83] driver_probe_device+0x223/0x350 [ 28.274953][ T83] __device_attach_driver+0x1d1/0x290 [ 28.280311][ T83] ? driver_allows_async_probing+0x160/0x160 [ 28.286288][ T83] bus_for_each_drv+0x162/0x1e0 [ 28.291134][ T83] ? bus_rescan_devices+0x20/0x20 [ 28.296144][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.301946][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.307650][ T83] __device_attach+0x217/0x390 [ 28.312411][ T83] ? device_bind_driver+0xd0/0xd0 [ 28.317448][ T83] bus_probe_device+0x1e4/0x290 [ 28.322294][ T83] device_add+0x1459/0x1bf0 [ 28.326804][ T83] ? wait_for_completion+0x3c0/0x3c0 [ 28.332164][ T83] ? device_link_remove+0x110/0x110 [ 28.337357][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.343186][ T83] usb_set_configuration+0xe47/0x17d0 [ 28.348549][ T83] generic_probe+0x9d/0xd5 [ 28.352948][ T83] usb_probe_device+0xaf/0x140 [ 28.357709][ T83] ? usb_suspend+0x5f0/0x5f0 [ 28.362286][ T83] really_probe+0x290/0xad0 [ 28.366771][ T83] driver_probe_device+0x223/0x350 [ 28.371864][ T83] __device_attach_driver+0x1d1/0x290 [ 28.377221][ T83] ? driver_allows_async_probing+0x160/0x160 [ 28.383191][ T83] bus_for_each_drv+0x162/0x1e0 [ 28.388025][ T83] ? bus_rescan_devices+0x20/0x20 [ 28.393040][ T83] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 28.398840][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.404109][ T83] __device_attach+0x217/0x390 [ 28.408875][ T83] ? device_bind_driver+0xd0/0xd0 [ 28.413904][ T83] bus_probe_device+0x1e4/0x290 [ 28.418736][ T83] device_add+0x1459/0x1bf0 [ 28.423265][ T83] ? device_link_remove+0x110/0x110 [ 28.428458][ T83] usb_new_device.cold+0x540/0xcd0 [ 28.433556][ T83] hub_event+0x21cb/0x4300 [ 28.437953][ T83] ? hub_port_debounce+0x350/0x350 [ 28.443196][ T83] ? find_held_lock+0x2d/0x110 [ 28.447960][ T83] ? mark_held_locks+0xe0/0xe0 [ 28.452703][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.458233][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.463504][ T83] process_one_work+0x945/0x15c0 [ 28.468425][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 28.473867][ T83] ? do_raw_spin_lock+0x129/0x290 [ 28.478879][ T83] worker_thread+0x96/0xe20 [ 28.484412][ T83] ? process_one_work+0x15c0/0x15c0 [ 28.489593][ T83] kthread+0x318/0x420 [ 28.493647][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 28.499121][ T83] ret_from_fork+0x24/0x30 [ 28.504519][ T83] Kernel Offset: disabled [ 28.508889][ T83] Rebooting in 86400 seconds..