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 '10.128.0.192' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.928887][ T101] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.289023][ T101] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=df.61 [ 24.298329][ T101] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.307744][ T101] usb 1-1: config 0 descriptor?? [ 24.352241][ T101] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 24.778867][ T101] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 24.786755][ T101] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 24.793593][ T101] rsi_91x: rsi_probe: Failed in device init [ 24.800549][ T101] ------------[ cut here ]------------ [ 24.806017][ T101] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x40 [ 24.816334][ T101] WARNING: CPU: 0 PID: 101 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 24.825717][ T101] Kernel panic - not syncing: panic_on_warn set ... [ 24.832283][ T101] CPU: 0 PID: 101 Comm: kworker/0:2 Not tainted 5.4.0-rc5+ #0 [ 24.839712][ T101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.849754][ T101] Workqueue: usb_hub_wq hub_event [ 24.854753][ T101] Call Trace: [ 24.858032][ T101] dump_stack+0xca/0x13e [ 24.862257][ T101] ? debug_print_object+0xf0/0x250 [ 24.867346][ T101] panic+0x2aa/0x6e1 [ 24.871228][ T101] ? add_taint.cold+0x16/0x16 [ 24.875902][ T101] ? __probe_kernel_read+0x188/0x1d0 [ 24.881186][ T101] ? __warn.cold+0x14/0x33 [ 24.885579][ T101] ? __warn+0xd5/0x1d0 [ 24.889626][ T101] ? debug_print_object+0x160/0x250 [ 24.894800][ T101] __warn.cold+0x2f/0x33 [ 24.899024][ T101] ? debug_print_object+0x160/0x250 [ 24.904200][ T101] report_bug+0x27b/0x2f0 [ 24.908526][ T101] do_error_trap+0x12b/0x1e0 [ 24.913095][ T101] ? debug_print_object+0x160/0x250 [ 24.918271][ T101] do_invalid_op+0x32/0x40 [ 24.922666][ T101] ? debug_print_object+0x160/0x250 [ 24.927857][ T101] invalid_op+0x23/0x30 [ 24.932005][ T101] RIP: 0010:debug_print_object+0x160/0x250 [ 24.937837][ T101] Code: dd 00 c8 da 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 00 c8 da 85 48 c7 c7 a0 bd da 85 e8 25 16 30 ff <0f> 0b 83 05 5b d4 a2 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 24.957455][ T101] RSP: 0018:ffff8881d52bf120 EFLAGS: 00010286 [ 24.963532][ T101] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 24.971481][ T101] RDX: 0000000000000000 RSI: ffffffff8128c8ed RDI: ffffed103aa57e16 [ 24.979440][ T101] RBP: 0000000000000001 R08: ffff8881d52b0000 R09: fffffbfff11ab3ae [ 24.987535][ T101] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: ffffffff86d0b500 [ 24.995565][ T101] R13: ffffffff812ed480 R14: ffff8881d0332250 R15: ffff8881cfaac818 [ 25.003568][ T101] ? calc_wheel_index+0x220/0x220 [ 25.008574][ T101] ? vprintk_func+0x7d/0x113 [ 25.013148][ T101] ? lockdep_hardirqs_on+0x382/0x580 [ 25.018449][ T101] debug_check_no_obj_freed+0x2df/0x443 [ 25.023977][ T101] ? kfree+0x215/0x320 [ 25.028027][ T101] ? rsi_probe+0xcad/0x156f [ 25.032508][ T101] kfree+0x20b/0x320 [ 25.036382][ T101] rsi_probe+0xcad/0x156f [ 25.040690][ T101] ? __pm_runtime_set_status+0x5d5/0xa10 [ 25.046305][ T101] ? rsi_disconnect+0x630/0x630 [ 25.051144][ T101] ? free_zapped_rcu+0xa0/0x1e0 [ 25.055971][ T101] ? __pm_runtime_resume+0x111/0x180 [ 25.061251][ T101] usb_probe_interface+0x305/0x7a0 [ 25.066339][ T101] ? usb_probe_device+0x100/0x100 [ 25.071342][ T101] really_probe+0x281/0x6d0 [ 25.075826][ T101] driver_probe_device+0x104/0x210 [ 25.080918][ T101] __device_attach_driver+0x1c2/0x220 [ 25.086288][ T101] ? driver_allows_async_probing+0x160/0x160 [ 25.092245][ T101] bus_for_each_drv+0x162/0x1e0 [ 25.097073][ T101] ? bus_rescan_devices+0x20/0x20 [ 25.102076][ T101] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.107861][ T101] ? lockdep_hardirqs_on+0x382/0x580 [ 25.113124][ T101] __device_attach+0x217/0x360 [ 25.117865][ T101] ? device_bind_driver+0xd0/0xd0 [ 25.122876][ T101] ? kobject_uevent_env+0x29e/0x1160 [ 25.128147][ T101] ? kobject_uevent_env+0x2a8/0x1160 [ 25.133417][ T101] bus_probe_device+0x1e4/0x290 [ 25.138249][ T101] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.144120][ T101] device_add+0xae6/0x16f0 [ 25.148585][ T101] ? uevent_store+0x50/0x50 [ 25.153079][ T101] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.158867][ T101] usb_set_configuration+0xdf6/0x1670 [ 25.164225][ T101] generic_probe+0x9d/0xd5 [ 25.168628][ T101] usb_probe_device+0x99/0x100 [ 25.173452][ T101] ? usb_suspend+0x620/0x620 [ 25.178069][ T101] really_probe+0x281/0x6d0 [ 25.182553][ T101] driver_probe_device+0x104/0x210 [ 25.187644][ T101] __device_attach_driver+0x1c2/0x220 [ 25.192995][ T101] ? driver_allows_async_probing+0x160/0x160 [ 25.198955][ T101] bus_for_each_drv+0x162/0x1e0 [ 25.203784][ T101] ? bus_rescan_devices+0x20/0x20 [ 25.208826][ T101] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 25.214615][ T101] ? lockdep_hardirqs_on+0x382/0x580 [ 25.219885][ T101] __device_attach+0x217/0x360 [ 25.224631][ T101] ? device_bind_driver+0xd0/0xd0 [ 25.229636][ T101] ? kobject_uevent_env+0x29e/0x1160 [ 25.234897][ T101] ? kobject_uevent_env+0x2a8/0x1160 [ 25.240158][ T101] bus_probe_device+0x1e4/0x290 [ 25.245014][ T101] ? blocking_notifier_call_chain+0x54/0xa0 [ 25.250886][ T101] device_add+0xae6/0x16f0 [ 25.255285][ T101] ? uevent_store+0x50/0x50 [ 25.259854][ T101] usb_new_device.cold+0x6a4/0xe79 [ 25.264957][ T101] hub_event+0x1df8/0x3800 [ 25.269351][ T101] ? hub_port_debounce+0x260/0x260 [ 25.274449][ T101] ? find_held_lock+0x2d/0x110 [ 25.279198][ T101] ? mark_held_locks+0xe0/0xe0 [ 25.283941][ T101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.289483][ T101] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.294763][ T101] process_one_work+0x92b/0x1530 [ 25.299678][ T101] ? pwq_dec_nr_in_flight+0x310/0x310 [ 25.305045][ T101] ? do_raw_spin_lock+0x11a/0x280 [ 25.310048][ T101] worker_thread+0x96/0xe20 [ 25.314529][ T101] ? process_one_work+0x1530/0x1530 [ 25.319707][ T101] kthread+0x318/0x420 [ 25.323768][ T101] ? kthread_create_on_node+0xf0/0xf0 [ 25.329117][ T101] ret_from_fork+0x24/0x30 [ 25.334143][ T101] Kernel Offset: disabled [ 25.338499][ T101] Rebooting in 86400 seconds..