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 '10.128.0.66' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.690452][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.930416][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 29.050577][ T12] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 29.060884][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 29.071008][ T12] usb 1-1: New USB device found, idVendor=1618, idProduct=9113, bcdDevice=19.d3 [ 29.080047][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 29.089289][ T12] usb 1-1: config 0 descriptor?? [ 29.110692][ T1713] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 29.132552][ T12] rsi_91x: rsi_probe: Initialized os intf ops executing program [ 29.570479][ T12] rsi_91x: rsi_usb_reg_read: Reg read failed with error code :-71 [ 29.578312][ T12] rsi_91x: rsi_hal_prepare_fwload: REGOUT read failed [ 29.585469][ T12] rsi_91x: rsi_probe: Failed in device init [ 29.592676][ T12] ------------[ cut here ]------------ [ 29.598158][ T12] ODEBUG: free active (active state 0) object type: timer_list hint: bl_cmd_timeout+0x0/0x40 [ 29.608457][ T12] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 [ 29.617727][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 29.624296][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 29.631635][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.641675][ T12] Workqueue: usb_hub_wq hub_event [ 29.646675][ T12] Call Trace: [ 29.649967][ T12] dump_stack+0xca/0x13e [ 29.654887][ T12] ? debug_print_object+0xf0/0x250 [ 29.659978][ T12] panic+0x2aa/0x6e1 [ 29.663863][ T12] ? add_taint.cold+0x16/0x16 [ 29.668521][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 29.673788][ T12] ? __warn.cold+0x14/0x33 [ 29.678181][ T12] ? __warn+0xd5/0x1d0 [ 29.682228][ T12] ? debug_print_object+0x160/0x250 [ 29.687401][ T12] __warn.cold+0x2f/0x33 [ 29.691644][ T12] ? debug_print_object+0x160/0x250 [ 29.696817][ T12] report_bug+0x27b/0x2f0 [ 29.701124][ T12] do_error_trap+0x12b/0x1e0 [ 29.705687][ T12] ? debug_print_object+0x160/0x250 [ 29.710861][ T12] do_invalid_op+0x32/0x40 [ 29.715262][ T12] ? debug_print_object+0x160/0x250 [ 29.720449][ T12] invalid_op+0x23/0x30 [ 29.724597][ T12] RIP: 0010:debug_print_object+0x160/0x250 [ 29.730389][ T12] 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 15 30 ff <0f> 0b 83 05 1b bf a2 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 29.749973][ T12] RSP: 0018:ffff8881da227120 EFLAGS: 00010286 [ 29.756037][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 29.763986][ T12] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b444e16 [ 29.771934][ T12] RBP: 0000000000000001 R08: ffff8881da211800 R09: fffffbfff11ab3ae [ 29.779882][ T12] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: ffffffff86d0b500 [ 29.787828][ T12] R13: ffffffff812ed560 R14: ffff8881cff31250 R15: ffff8881cabc7930 [ 29.796313][ T12] ? calc_wheel_index+0x220/0x220 [ 29.801319][ T12] ? vprintk_func+0x7d/0x113 [ 29.805892][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.811170][ T12] debug_check_no_obj_freed+0x2df/0x443 [ 29.816696][ T12] ? kfree+0x215/0x320 [ 29.820756][ T12] ? rsi_probe+0xcad/0x156f [ 29.825240][ T12] kfree+0x20b/0x320 [ 29.829109][ T12] rsi_probe+0xcad/0x156f [ 29.833415][ T12] ? rsi_disconnect+0x630/0x630 [ 29.838339][ T12] ? graph_lock+0x140/0x180 [ 29.842830][ T12] ? __pm_runtime_resume+0x111/0x180 [ 29.848103][ T12] usb_probe_interface+0x305/0x7a0 [ 29.853200][ T12] ? usb_probe_device+0x100/0x100 [ 29.858320][ T12] really_probe+0x281/0x6d0 [ 29.862807][ T12] driver_probe_device+0x104/0x210 [ 29.867905][ T12] __device_attach_driver+0x1c2/0x220 [ 29.873260][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.879221][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.884052][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.889061][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.894844][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 29.900104][ T12] __device_attach+0x217/0x360 [ 29.904844][ T12] ? device_bind_driver+0xd0/0xd0 [ 29.909945][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 29.915223][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 29.920500][ T12] bus_probe_device+0x1e4/0x290 [ 29.925343][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 29.931219][ T12] device_add+0xae6/0x16f0 [ 29.935618][ T12] ? uevent_store+0x50/0x50 [ 29.940101][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 29.945889][ T12] usb_set_configuration+0xdf6/0x1670 [ 29.951349][ T12] generic_probe+0x9d/0xd5 [ 29.955761][ T12] usb_probe_device+0x99/0x100 [ 29.960524][ T12] ? usb_suspend+0x620/0x620 [ 29.965093][ T12] really_probe+0x281/0x6d0 [ 29.969572][ T12] driver_probe_device+0x104/0x210 [ 29.975182][ T12] __device_attach_driver+0x1c2/0x220 [ 29.980543][ T12] ? driver_allows_async_probing+0x160/0x160 [ 29.986514][ T12] bus_for_each_drv+0x162/0x1e0 [ 29.991367][ T12] ? bus_rescan_devices+0x20/0x20 [ 29.996379][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 30.002163][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 30.007430][ T12] __device_attach+0x217/0x360 [ 30.012182][ T12] ? device_bind_driver+0xd0/0xd0 [ 30.017186][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 30.022447][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 30.027732][ T12] bus_probe_device+0x1e4/0x290 [ 30.032574][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 30.038446][ T12] device_add+0xae6/0x16f0 [ 30.042840][ T12] ? uevent_store+0x50/0x50 [ 30.047320][ T12] usb_new_device.cold+0x6a4/0xe79 [ 30.052416][ T12] hub_event+0x1df8/0x3800 [ 30.056815][ T12] ? hub_port_debounce+0x260/0x260 [ 30.061905][ T12] ? find_held_lock+0x2d/0x110 [ 30.066647][ T12] ? mark_held_locks+0xe0/0xe0 [ 30.071389][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.076907][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.082169][ T12] process_one_work+0x92b/0x1530 [ 30.087082][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 30.092435][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 30.097435][ T12] worker_thread+0x96/0xe20 [ 30.101928][ T12] ? process_one_work+0x1530/0x1530 [ 30.107109][ T12] kthread+0x318/0x420 [ 30.111151][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 30.116518][ T12] ret_from_fork+0x24/0x30 [ 30.121599][ T12] Kernel Offset: disabled [ 30.125966][ T12] Rebooting in 86400 seconds..