[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[ 13.915851][ T1669] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 14.169540][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.10' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.107981][ T107] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 42.468012][ T107] usb 1-1: config 0 has an invalid interface number: 219 but max is 0 [ 42.476378][ T107] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 42.486693][ T107] usb 1-1: config 0 has no interface number 0 [ 42.492796][ T107] usb 1-1: New USB device found, idVendor=6615, idProduct=0012, bcdDevice=92.06 [ 42.501812][ T107] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.510869][ T107] usb 1-1: config 0 descriptor?? [ 42.548627][ T107] hub 1-1:0.219: ignoring external hub [ 42.555384][ T107] input: USB Touchscreen 6615:0012 as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.219/input/input5 executing program [ 43.138059][ T12] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 43.658065][ T12] INFO: trying to register non-static key. [ 43.663901][ T12] the code is fine but needs lockdep annotation. [ 43.670199][ T12] turning off the locking correctness validator. [ 43.676489][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.2.0-rc5+ #11 [ 43.683903][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.694076][ T12] Workqueue: usb_hub_wq hub_event [ 43.699082][ T12] Call Trace: [ 43.702344][ T12] dump_stack+0xca/0x13e [ 43.706554][ T12] register_lock_class+0x11ae/0x1240 [ 43.711802][ T12] ? is_dynamic_key+0x1b0/0x1b0 [ 43.716615][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.722394][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 43.727652][ T12] __lock_acquire+0x11d/0x5340 [ 43.732382][ T12] ? save_stack+0x4c/0x80 [ 43.736679][ T12] ? save_stack+0x1b/0x80 [ 43.740971][ T12] ? __kasan_slab_free+0x130/0x180 [ 43.746059][ T12] ? kfree+0xd7/0x280 [ 43.750002][ T12] ? usb_get_status+0x1df/0x2a0 [ 43.754816][ T12] ? usb_port_resume+0xd97/0x1200 [ 43.759814][ T12] ? generic_resume+0x40/0x80 [ 43.764454][ T12] ? usb_resume_both+0x523/0x780 [ 43.769356][ T12] ? __rpm_callback+0x27e/0x3c0 [ 43.774170][ T12] ? mark_held_locks+0xe0/0xe0 [ 43.778897][ T12] ? kthread+0x30b/0x410 [ 43.783113][ T12] ? ret_from_fork+0x24/0x30 [ 43.787664][ T12] ? find_held_lock+0x2d/0x110 [ 43.792395][ T12] ? debug_check_no_obj_freed+0x20a/0x42e [ 43.798075][ T12] ? find_held_lock+0x2d/0x110 [ 43.802802][ T12] ? usb_port_resume+0x4e5/0x1200 [ 43.807788][ T12] lock_acquire+0x100/0x2b0 [ 43.812261][ T12] ? usbtouch_reset_resume+0xb1/0x170 [ 43.817595][ T12] ? usbtouch_reset_resume+0xb1/0x170 [ 43.818479][ T1730] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 43.822930][ T12] __mutex_lock+0xf9/0x12b0 [ 43.822937][ T12] ? usbtouch_reset_resume+0xb1/0x170 [ 43.822945][ T12] ? usbtouch_reset_resume+0xb1/0x170 [ 43.822951][ T12] ? kfree+0xd7/0x280 [ 43.822963][ T12] ? mutex_trylock+0x1a0/0x1a0 [ 43.831362][ T1730] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 43.835679][ T12] ? usb_port_resume+0x4ea/0x1200 [ 43.867223][ T12] ? usb_new_device+0xd50/0xd50 [ 43.872041][ T12] ? usbtouch_reset_resume+0xb1/0x170 [ 43.877391][ T12] usbtouch_reset_resume+0xb1/0x170 [ 43.882555][ T12] ? elo_read_data+0x2a0/0x2a0 [ 43.887282][ T12] usb_resume_interface.isra.0+0x184/0x390 [ 43.893049][ T12] usb_resume_both+0x23d/0x780 [ 43.897786][ T12] ? usb_suspend_both+0x780/0x780 [ 43.902775][ T12] ? mark_held_locks+0x9f/0xe0 [ 43.907514][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 43.912676][ T12] ? usb_runtime_suspend+0x120/0x120 [ 43.917924][ T12] __rpm_callback+0x27e/0x3c0 [ 43.922574][ T12] ? usb_runtime_suspend+0x120/0x120 [ 43.927834][ T12] rpm_callback+0x18f/0x230 [ 43.932314][ T12] ? usb_runtime_suspend+0x120/0x120 [ 43.937559][ T12] rpm_resume+0x10c5/0x1840 [ 43.942030][ T12] ? pm_runtime_get_if_in_use+0x260/0x260 [ 43.947711][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 43.952703][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 43.957601][ T12] ? lock_acquire+0x100/0x2b0 [ 43.962241][ T12] ? __pm_runtime_resume+0xf5/0x180 [ 43.967400][ T12] __pm_runtime_resume+0x103/0x180 [ 43.972476][ T12] usb_autoresume_device+0x1e/0x60 [ 43.977552][ T12] usb_remote_wakeup+0x7b/0xb0 [ 43.982288][ T12] hub_event+0x23d7/0x3590 [ 43.986671][ T12] ? hub_port_debounce+0x260/0x260 [ 43.991750][ T12] process_one_work+0x905/0x1570 [ 43.996656][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 44.001992][ T12] ? do_raw_spin_lock+0x11a/0x280 executing program [ 44.006985][ T12] worker_thread+0x96/0xe20 [ 44.011456][ T12] ? process_one_work+0x1570/0x1570 [ 44.016619][ T12] kthread+0x30b/0x410 [ 44.020651][ T12] ? kthread_park+0x1a0/0x1a0 [ 44.025294][ T12] ret_from_fork+0x24/0x30 [ 44.029819][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 44.030590][ T1731] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 44.044069][ T1731] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 44.058031][ T12] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 44.278059][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 44.347997][ T12] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 44.608019][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 44.697976][ C0] dummy_udc dummy_udc.0: set_address = 2 [ 44.898058][ T12] usb usb1: dummy_bus_suspend executing program [ 45.028517][ T1731] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 45.036807][ T1731] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 45.044160][ T107] usb usb1: dummy_bus_resume [ 45.045602][ T1732] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 45.048783][ T107] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 45.062924][ T1732] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 45.408093][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 45.477979][ T107] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 45.738159][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 45.827981][ C1] dummy_udc dummy_udc.0: set_address = 2 [ 46.028261][ T107] usb usb1: dummy_bus_suspend executing program [ 46.158392][ T1732] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 46.166782][ T1732] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 46.174215][ T12] usb usb1: dummy_bus_resume [ 46.178346][ T1733] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 46.178893][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 46.192962][ T1733] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 46.538015][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 46.607954][ T12] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 46.867992][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 46.957975][ C0] dummy_udc dummy_udc.0: set_address = 2 [ 47.158034][ T12] usb usb1: dummy_bus_suspend executing program [ 47.288455][ T1733] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 47.296828][ T1733] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 47.304241][ T107] usb usb1: dummy_bus_resume [ 47.305501][ T1734] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 47.308888][ T107] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 47.322995][ T1734] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 47.668125][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 47.738006][ T107] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 47.998119][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 48.088020][ C1] dummy_udc dummy_udc.0: set_address = 2 [ 48.288192][ T107] usb usb1: dummy_bus_suspend executing program [ 48.418507][ T1734] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 48.426823][ T1734] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 48.434174][ T12] usb usb1: dummy_bus_resume [ 48.437454][ T1735] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 48.438887][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 48.453023][ T1735] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 48.798015][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 48.867989][ T12] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 49.127984][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 49.217945][ C0] dummy_udc dummy_udc.0: set_address = 2 [ 49.418047][ T12] usb usb1: dummy_bus_suspend executing program [ 49.548502][ T1735] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 49.556822][ T1735] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 49.564175][ T107] usb usb1: dummy_bus_resume [ 49.565377][ T1736] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 49.568827][ T107] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 49.582939][ T1736] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 49.928095][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 49.997954][ T107] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 50.258211][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 50.347983][ C1] dummy_udc dummy_udc.0: set_address = 2 [ 50.548207][ T107] usb usb1: dummy_bus_suspend executing program [ 50.678435][ T1736] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 50.686799][ T1736] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 50.694169][ T12] usb usb1: dummy_bus_resume [ 50.698131][ T1737] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 50.698856][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 50.712917][ T1737] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 51.057987][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 51.127989][ T12] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 51.388066][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 51.477951][ C0] dummy_udc dummy_udc.0: set_address = 2 [ 51.678060][ T12] usb usb1: dummy_bus_suspend executing program [ 51.808428][ T1737] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 51.816783][ T1737] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 51.824183][ T107] usb usb1: dummy_bus_resume [ 51.825800][ T1738] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 51.828844][ T107] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 51.842944][ T1738] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 52.188039][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 52.258084][ T107] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 52.518070][ T107] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 52.607951][ C1] dummy_udc dummy_udc.0: set_address = 2 [ 52.808195][ T107] usb usb1: dummy_bus_suspend executing program [ 52.938396][ T1738] usb-fuzzer-gadget dummy_udc.0: unregistering UDC driver [USB fuzzer] [ 52.946885][ T1738] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 52.954240][ T12] usb usb1: dummy_bus_resume [ 52.958220][ T1739] udc dummy_udc.0: registering UDC driver [USB fuzzer] [ 52.958916][ T12] dummy_hcd dummy_hcd.0: port status 0x00010100 has changes [ 52.973026][ T1739] dummy_hcd dummy_hcd.0: port status 0x00010101 has changes [ 53.318022][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes [ 53.387978][ T12] usb 1-1: reset low-speed USB device number 2 using dummy_hcd [ 53.648031][ T12] dummy_hcd dummy_hcd.0: port status 0x00100303 has changes