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 '10.128.0.111' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.365326][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.605282][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 26.725381][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8 has wMaxPacketSize 0, skipping [ 26.735540][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x7 has wMaxPacketSize 0, skipping [ 26.745765][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x87 has invalid maxpacket 261 [ 26.756384][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8D has wMaxPacketSize 0, skipping [ 26.766643][ T12] usb 1-1: New USB device found, idVendor=8086, idProduct=0181, bcdDevice=46.8f [ 26.776185][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.785729][ T12] usb 1-1: config 0 descriptor?? [ 26.805536][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 26.827637][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.835938][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.843976][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.852383][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.860746][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.868833][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.876926][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.884924][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.893221][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.901328][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 26.909408][ T12] i2400m_usb 1-1:0.0: E: __i2400mu_send_barker: maximum errors in URB exceeded; resetting device [ 26.920627][ T12] i2400m_usb 1-1:0.0: warm reset failed (-8); trying USB reset [ 26.928263][ T12] ------------[ cut here ]------------ [ 26.933901][ T12] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 26.940054][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.949508][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 26.956088][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.5.0-rc1-syzkaller #0 [ 26.964214][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.974348][ T12] Workqueue: usb_hub_wq hub_event [ 26.979361][ T12] Call Trace: [ 26.982634][ T12] dump_stack+0xef/0x16e [ 26.986858][ T12] ? usb_submit_urb+0x1170/0x13b0 [ 26.991860][ T12] panic+0x2aa/0x6e1 [ 26.995737][ T12] ? add_taint.cold+0x16/0x16 [ 27.000405][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 27.005665][ T12] ? __warn.cold+0x14/0x30 [ 27.010055][ T12] ? __warn+0xd5/0x1c8 [ 27.014110][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.019119][ T12] __warn.cold+0x2f/0x30 [ 27.023340][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.028355][ T12] report_bug+0x27b/0x2f0 [ 27.032665][ T12] do_error_trap+0x12b/0x1e0 [ 27.037244][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.042247][ T12] do_invalid_op+0x32/0x40 [ 27.046640][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 27.051659][ T12] invalid_op+0x23/0x30 [ 27.055808][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 27.061453][ T12] Code: 4d 85 ed 74 2c e8 d8 8f e7 fd 4c 89 f7 e8 e0 2c 1d ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 5a 15 86 e8 50 ac bc fd <0f> 0b e9 20 f4 ff ff e8 ac 8f e7 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 27.081096][ T12] RSP: 0018:ffff8881da226c10 EFLAGS: 00010286 [ 27.087146][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 27.095313][ T12] RDX: 0000000000000000 RSI: ffffffff81295dad RDI: ffffed103b444d74 [ 27.103279][ T12] RBP: ffff8881cfbf44a0 R08: ffff8881da211880 R09: fffffbfff11f1eae [ 27.111241][ T12] R10: fffffbfff11f1ead R11: ffffffff88f8f56f R12: 0000000000000001 [ 27.119192][ T12] R13: ffff8881d4eea978 R14: ffff8881cffa40a0 R15: ffff8881da226d90 [ 27.127174][ T12] ? vprintk_func+0x7d/0x113 [ 27.131749][ T12] i2400mu_bus_bm_wait_for_ack+0x4bf/0xb45 [ 27.137549][ T12] ? i2400mu_bus_bm_cmd_send+0xb20/0xb20 [ 27.143170][ T12] ? rpm_suspend+0x51f/0x1300 [ 27.147829][ T12] ? dev_vprintk_emit+0x541/0x541 [ 27.152883][ T12] ? i2400m_rx_stats_read.cold+0x1f/0x1f [ 27.158508][ T12] ? mark_lock+0xbc/0x1160 [ 27.162939][ T12] ? _dev_crit+0x109/0x109 [ 27.167340][ T12] ? mark_held_locks+0x9f/0xe0 [ 27.172083][ T12] ? queue_work_on+0x8f/0xb0 [ 27.176653][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.181919][ T12] i2400m_bm_cmd+0x346/0x7f0 [ 27.186808][ T12] ? i2400mu_bus_reset+0x1ff/0x410 [ 27.191944][ T12] ? __i2400m_bm_ack_verify+0x910/0x910 [ 27.197725][ T12] ? really_probe+0x281/0x6d0 [ 27.202404][ T12] ? driver_probe_device+0x104/0x210 [ 27.207697][ T12] ? __device_attach_driver+0x1c2/0x220 [ 27.213234][ T12] ? bus_for_each_drv+0x162/0x1e0 [ 27.218236][ T12] ? __device_attach+0x217/0x360 [ 27.223151][ T12] ? bus_probe_device+0x1e4/0x290 [ 27.228167][ T12] ? device_add+0x1480/0x1c20 [ 27.232820][ T12] ? usb_set_configuration+0xe67/0x1740 [ 27.238344][ T12] ? generic_probe+0x9d/0xd5 [ 27.242914][ T12] ? usb_probe_device+0x99/0x100 [ 27.248000][ T12] ? i2400m_reset+0x7e/0x2e0 [ 27.252586][ T12] ? driver_probe_device+0x104/0x210 [ 27.257883][ T12] ? __device_attach_driver+0x1c2/0x220 [ 27.263632][ T12] ? bus_for_each_drv+0x162/0x1e0 [ 27.268651][ T12] ? __device_attach+0x217/0x360 [ 27.273785][ T12] ? bus_probe_device+0x1e4/0x290 [ 27.278858][ T12] i2400m_bootrom_init+0x319/0x1060 [ 27.284132][ T12] ? fs_reclaim_release+0xa/0x20 [ 27.289052][ T12] ? i2400m_barker_db_init+0x2d0/0x2d0 [ 27.294488][ T12] ? i2400m_setup+0x205/0x970 [ 27.299159][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.304683][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.310036][ T12] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 27.315831][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 27.321114][ T12] ? i2400m_setup+0x29c/0x970 [ 27.325767][ T12] i2400m_setup+0x29c/0x970 [ 27.330281][ T12] ? __i2400m_dev_stop+0x360/0x360 [ 27.335368][ T12] ? mark_lock+0xbc/0x1160 [ 27.339768][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 27.344681][ T12] ? mark_held_locks+0x9f/0xe0 [ 27.349421][ T12] ? _raw_spin_unlock_irq+0x1f/0x30 [ 27.354615][ T12] i2400mu_probe+0x6b9/0xb10 [ 27.359196][ T12] usb_probe_interface+0x305/0x7a0 [ 27.364285][ T12] ? usb_probe_device+0x100/0x100 [ 27.369295][ T12] really_probe+0x281/0x6d0 [ 27.373777][ T12] driver_probe_device+0x104/0x210 [ 27.378892][ T12] __device_attach_driver+0x1c2/0x220 [ 27.384252][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.390209][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.395036][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.400046][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.405828][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.411165][ T12] __device_attach+0x217/0x360 [ 27.415941][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.421315][ T12] bus_probe_device+0x1e4/0x290 [ 27.426168][ T12] device_add+0x1480/0x1c20 [ 27.430656][ T12] ? wait_for_completion+0x3c0/0x3c0 [ 27.435917][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 27.441975][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.448004][ T12] usb_set_configuration+0xe67/0x1740 [ 27.453651][ T12] generic_probe+0x9d/0xd5 [ 27.459366][ T12] usb_probe_device+0x99/0x100 [ 27.464171][ T12] ? usb_suspend+0x620/0x620 [ 27.468761][ T12] really_probe+0x281/0x6d0 [ 27.474294][ T12] driver_probe_device+0x104/0x210 [ 27.479400][ T12] __device_attach_driver+0x1c2/0x220 [ 27.485025][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.491162][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.496153][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.501328][ T12] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 27.507236][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.512659][ T12] __device_attach+0x217/0x360 [ 27.517412][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.522942][ T12] bus_probe_device+0x1e4/0x290 [ 27.527801][ T12] device_add+0x1480/0x1c20 [ 27.532512][ T12] ? device_links_flush_sync_list+0x350/0x350 [ 27.538619][ T12] usb_new_device.cold+0x6a4/0xe79 [ 27.543845][ T12] hub_event+0x1e59/0x3860 [ 27.548262][ T12] ? hub_port_debounce+0x260/0x260 [ 27.553376][ T12] ? find_held_lock+0x2d/0x110 [ 27.558145][ T12] ? mark_held_locks+0xe0/0xe0 [ 27.562898][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.568435][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.573963][ T12] process_one_work+0x92b/0x1530 [ 27.579075][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.585265][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 27.590456][ T12] worker_thread+0x96/0xe20 [ 27.594976][ T12] ? process_one_work+0x1530/0x1530 [ 27.600194][ T12] kthread+0x318/0x420 [ 27.604257][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 27.609808][ T12] ret_from_fork+0x24/0x30 [ 27.615355][ T12] Kernel Offset: disabled [ 27.619729][ T12] Rebooting in 86400 seconds..