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 '10.128.0.23' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 282.513476][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 282.763344][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 282.883535][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 282.897586][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 282.911176][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 282.928143][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 282.938437][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 282.950561][ T12] usb 1-1: config 0 descriptor?? [ 282.973699][ T1723] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 283.293447][ T12] usbhid 1-1:0.0: can't add hid device: -71 [ 283.301459][ T12] usbhid: probe of 1-1:0.0 failed with error -71 [ 283.314030][ T12] usb 1-1: USB disconnect, device number 2 [ 283.783392][ T12] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 284.023371][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 284.143463][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 284.154938][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has wMaxPacketSize 0, skipping [ 284.165241][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 284.180069][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 284.190908][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 284.200599][ T12] usb 1-1: config 0 descriptor?? [ 284.223450][ T1723] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 389.693243][ C0] rcu: INFO: rcu_sched self-detected stall on CPU [ 389.701806][ C0] rcu: 0-....: (10499 ticks this GP) idle=8ea/1/0x4000000000000002 softirq=1810/1810 fqs=5108 [ 389.713321][ C0] (t=10500 jiffies g=1553 q=595) [ 389.718817][ C0] NMI backtrace for cpu 0 [ 389.723470][ C0] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 389.734742][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.746406][ C0] Workqueue: usb_hub_wq hub_event [ 389.753300][ C0] Call Trace: [ 389.757465][ C0] [ 389.760795][ C0] dump_stack+0xca/0x13e [ 389.765382][ C0] ? x86_vector_activate.cold+0x80/0xdd [ 389.772950][ C0] nmi_cpu_backtrace.cold+0x55/0x96 [ 389.780836][ C0] ? lapic_can_unplug_cpu.cold+0x3b/0x3b [ 389.788155][ C0] nmi_trigger_cpumask_backtrace+0x1b0/0x1c7 [ 389.797006][ C0] rcu_dump_cpu_stacks+0x169/0x1b3 [ 389.803268][ C0] rcu_sched_clock_irq.cold+0x4da/0x936 [ 389.812663][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 389.820118][ C0] update_process_times+0x25/0x60 [ 389.827015][ C0] tick_sched_handle+0x9b/0x180 [ 389.833746][ C0] tick_sched_timer+0x42/0x130 [ 389.838992][ C0] __hrtimer_run_queues+0x303/0xc60 [ 389.844380][ C0] ? tick_sched_do_timer+0x1a0/0x1a0 [ 389.852423][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80 [ 389.860235][ C0] ? ktime_get_update_offsets_now+0x251/0x330 [ 389.868848][ C0] hrtimer_interrupt+0x2e8/0x730 [ 389.875247][ C0] smp_apic_timer_interrupt+0xf5/0x500 [ 389.882114][ C0] apic_timer_interrupt+0xf/0x20 [ 389.888757][ C0] [ 389.893271][ C0] RIP: 0010:hid_setup_resolution_multiplier+0x33b/0x990 [ 389.900958][ C0] Code: e8 2a 96 ed fc 48 8d 7d 04 48 89 f8 48 c1 e8 03 42 0f b6 14 38 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 0c 05 00 00 <44> 8b 6d 04 bf 02 00 00 00 44 89 ee e8 64 97 ed fc 41 83 fd 02 74 [ 389.925192][ C0] RSP: 0018:ffff8881da226cd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 389.934518][ C0] RAX: 0000000000000007 RBX: 0000000000000000 RCX: ffffffff8450902c executing program [ 389.944973][ C0] RDX: 0000000000000000 RSI: ffffffff84509036 RDI: ffff8881d4df1204 [ 389.954941][ C0] RBP: ffff8881d4df1200 R08: ffff8881da211800 R09: ffffc900004770cc [ 389.963232][ C0] R10: fffff5200009241b R11: ffffc900004920db R12: ffff8881c6640000 [ 389.971348][ C0] R13: 0000000000000000 R14: ffff8881d4df1200 R15: dffffc0000000000 [ 389.979932][ C0] ? hid_setup_resolution_multiplier+0x30c/0x990 [ 389.987508][ C0] ? hid_setup_resolution_multiplier+0x316/0x990 [ 389.994355][ C0] ? hid_setup_resolution_multiplier+0x316/0x990 [ 390.001084][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 390.006787][ C0] hid_open_report+0x438/0x640 [ 390.012030][ C0] ? hid_parser_global+0x1440/0x1440 [ 390.017410][ C0] ? add_dr+0xb4/0x190 [ 390.021817][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 390.027997][ C0] ms_probe+0x12d/0x4d0 [ 390.032344][ C0] ? ms_remove+0x90/0x90 [ 390.038404][ C0] hid_device_probe+0x2be/0x3f0 [ 390.043632][ C0] ? hid_match_device+0x1f0/0x1f0 [ 390.049609][ C0] really_probe+0x281/0x6d0 [ 390.054585][ C0] driver_probe_device+0x104/0x210 [ 390.059913][ C0] __device_attach_driver+0x1c2/0x220 [ 390.065488][ C0] ? driver_allows_async_probing+0x160/0x160 [ 390.071686][ C0] bus_for_each_drv+0x162/0x1e0 [ 390.076634][ C0] ? bus_rescan_devices+0x20/0x20 [ 390.081696][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 390.087562][ C0] ? lockdep_hardirqs_on+0x382/0x580 [ 390.093500][ C0] __device_attach+0x217/0x360 [ 390.098660][ C0] ? device_bind_driver+0xd0/0xd0 [ 390.103775][ C0] ? kobject_uevent_env+0x29e/0x1160 [ 390.109419][ C0] ? kobject_uevent_env+0x2a8/0x1160 [ 390.114865][ C0] bus_probe_device+0x1e4/0x290 [ 390.119762][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 390.125654][ C0] device_add+0xae6/0x16f0 [ 390.130066][ C0] ? uevent_store+0x50/0x50 [ 390.134617][ C0] ? __debugfs_create_file+0x301/0x3f0 [ 390.140203][ C0] hid_add_device+0x33c/0x9a0 [ 390.145115][ C0] ? debug_object_fixup+0x30/0x30 [ 390.150282][ C0] ? __hid_bus_reprobe_drivers+0x130/0x130 [ 390.156086][ C0] ? lockdep_init_map+0x1b0/0x5e0 [ 390.161220][ C0] usbhid_probe+0xa81/0xfa0 [ 390.165727][ C0] usb_probe_interface+0x305/0x7a0 [ 390.171676][ C0] ? usb_probe_device+0x100/0x100 [ 390.176796][ C0] really_probe+0x281/0x6d0 [ 390.181343][ C0] driver_probe_device+0x104/0x210 [ 390.186454][ C0] __device_attach_driver+0x1c2/0x220 [ 390.192866][ C0] ? driver_allows_async_probing+0x160/0x160 [ 390.199148][ C0] bus_for_each_drv+0x162/0x1e0 [ 390.204398][ C0] ? bus_rescan_devices+0x20/0x20 [ 390.209690][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 390.215585][ C0] ? lockdep_hardirqs_on+0x382/0x580 [ 390.221032][ C0] __device_attach+0x217/0x360 [ 390.225848][ C0] ? device_bind_driver+0xd0/0xd0 [ 390.230921][ C0] ? kobject_uevent_env+0x29e/0x1160 [ 390.236301][ C0] ? kobject_uevent_env+0x2a8/0x1160 [ 390.241631][ C0] bus_probe_device+0x1e4/0x290 [ 390.246692][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 390.252752][ C0] device_add+0xae6/0x16f0 [ 390.257299][ C0] ? uevent_store+0x50/0x50 [ 390.261802][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 390.268282][ C0] usb_set_configuration+0xdf6/0x1670 [ 390.274120][ C0] generic_probe+0x9d/0xd5 [ 390.278546][ C0] usb_probe_device+0x99/0x100 [ 390.283526][ C0] ? usb_suspend+0x620/0x620 [ 390.288356][ C0] really_probe+0x281/0x6d0 [ 390.292972][ C0] driver_probe_device+0x104/0x210 [ 390.298679][ C0] __device_attach_driver+0x1c2/0x220 [ 390.304070][ C0] ? driver_allows_async_probing+0x160/0x160 [ 390.310170][ C0] bus_for_each_drv+0x162/0x1e0 [ 390.315621][ C0] ? bus_rescan_devices+0x20/0x20 [ 390.320653][ C0] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 390.326505][ C0] ? lockdep_hardirqs_on+0x382/0x580 [ 390.332071][ C0] __device_attach+0x217/0x360 [ 390.336948][ C0] ? device_bind_driver+0xd0/0xd0 [ 390.342475][ C0] ? kobject_uevent_env+0x29e/0x1160 [ 390.348210][ C0] ? kobject_uevent_env+0x2a8/0x1160 [ 390.353999][ C0] bus_probe_device+0x1e4/0x290 [ 390.359031][ C0] ? blocking_notifier_call_chain+0x54/0xa0 [ 390.365152][ C0] device_add+0xae6/0x16f0 [ 390.369762][ C0] ? uevent_store+0x50/0x50 [ 390.374466][ C0] usb_new_device.cold+0x6a4/0xe79 [ 390.379729][ C0] hub_event+0x1df8/0x3800 [ 390.384558][ C0] ? hub_port_debounce+0x260/0x260 [ 390.389850][ C0] ? find_held_lock+0x2d/0x110 [ 390.394627][ C0] ? mark_held_locks+0xe0/0xe0 [ 390.399524][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 390.405071][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 390.410712][ C0] process_one_work+0x92b/0x1530 [ 390.415723][ C0] ? pwq_dec_nr_in_flight+0x310/0x310 [ 390.421218][ C0] ? do_raw_spin_lock+0x11a/0x280 [ 390.426590][ C0] worker_thread+0x7ab/0xe20 [ 390.431525][ C0] ? process_one_work+0x1530/0x1530 [ 390.436786][ C0] kthread+0x318/0x420 [ 390.441065][ C0] ? kthread_create_on_node+0xf0/0xf0 [ 390.446948][ C0] ret_from_fork+0x24/0x30 executing program