[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 14.433143][ C1] random: crng init done [....] 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 '10.128.1.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.820804][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 28.060342][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 28.180464][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8 has wMaxPacketSize 0, skipping [ 28.190466][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x7 has wMaxPacketSize 0, skipping [ 28.200437][ T83] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x87 has invalid maxpacket 672 [ 28.210347][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8D has wMaxPacketSize 0, skipping [ 28.220311][ T83] usb 1-1: New USB device found, idVendor=8086, idProduct=0181, bcdDevice=46.8f [ 28.229338][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.238618][ T83] usb 1-1: config 0 descriptor?? [ 28.260586][ T1712] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 28.282883][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.291084][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.299085][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.307121][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.315138][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.323182][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.331239][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.339208][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.347231][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.355237][ T83] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.363254][ T83] i2400m_usb 1-1:0.0: E: __i2400mu_send_barker: maximum errors in URB exceeded; resetting device [ 28.373812][ T83] i2400m_usb 1-1:0.0: warm reset failed (-8); trying USB reset [ 28.381379][ T83] ------------[ cut here ]------------ [ 28.386827][ T83] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 28.392860][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 28.402303][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 28.408875][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 28.416214][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.426249][ T83] Workqueue: usb_hub_wq hub_event [ 28.431248][ T83] Call Trace: [ 28.434518][ T83] dump_stack+0xca/0x13e [ 28.438735][ T83] ? usb_submit_urb+0x1110/0x13b0 [ 28.443735][ T83] panic+0x2aa/0x6e1 [ 28.447606][ T83] ? add_taint.cold+0x16/0x16 [ 28.452273][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 28.457532][ T83] ? __warn.cold+0x14/0x33 [ 28.461925][ T83] ? __warn+0xd5/0x1d0 [ 28.465973][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.470970][ T83] __warn.cold+0x2f/0x33 [ 28.475189][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.480189][ T83] report_bug+0x27b/0x2f0 [ 28.484502][ T83] do_error_trap+0x12b/0x1e0 [ 28.489065][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.494064][ T83] do_invalid_op+0x32/0x40 [ 28.498461][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 28.503458][ T83] invalid_op+0x23/0x30 [ 28.507590][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 28.513197][ T83] Code: 4d 85 ed 74 2c e8 08 22 ef fd 4c 89 f7 e8 90 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 1d bd c4 fd <0f> 0b e9 20 f4 ff ff e8 dc 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 28.532788][ T83] RSP: 0018:ffff8881d89fec20 EFLAGS: 00010286 [ 28.538831][ T83] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 28.546783][ T83] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b13fd76 [ 28.554743][ T83] RBP: ffff8881d0b9f0a0 R08: ffff8881d8863000 R09: fffffbfff11ab3ae [ 28.562745][ T83] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: 0000000000000001 [ 28.570742][ T83] R13: ffff8881cc45aa38 R14: ffff8881cfe810a0 R15: ffff8881d89feda0 [ 28.578711][ T83] ? vprintk_func+0x7d/0x113 [ 28.583296][ T83] i2400mu_bus_bm_wait_for_ack+0x4bf/0xb45 [ 28.589085][ T83] ? i2400mu_bus_bm_cmd_send+0xb20/0xb20 [ 28.594710][ T83] ? rpm_suspend+0x51f/0x1300 [ 28.599377][ T83] ? dev_vprintk_emit+0x541/0x541 [ 28.604385][ T83] ? i2400m_rx_stats_read.cold+0x1f/0x1f [ 28.609995][ T83] ? mark_lock+0xbc/0x1160 [ 28.614397][ T83] ? _dev_crit+0x109/0x109 [ 28.618789][ T83] ? mark_held_locks+0x9f/0xe0 [ 28.623528][ T83] ? queue_work_on+0x8f/0xb0 [ 28.628093][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.633355][ T83] i2400m_bm_cmd+0x346/0x7f0 [ 28.637920][ T83] ? i2400mu_bus_reset+0x1ff/0x410 [ 28.643004][ T83] ? __i2400m_bm_ack_verify+0x910/0x910 [ 28.648532][ T83] ? usb_probe_interface+0x305/0x7a0 [ 28.653791][ T83] ? really_probe+0x281/0x6d0 [ 28.658448][ T83] ? driver_probe_device+0x104/0x210 [ 28.663708][ T83] ? __device_attach_driver+0x1c2/0x220 [ 28.669224][ T83] ? bus_for_each_drv+0x162/0x1e0 [ 28.674222][ T83] ? __device_attach+0x217/0x360 [ 28.679139][ T83] ? bus_probe_device+0x1e4/0x290 [ 28.684145][ T83] ? device_add+0xae6/0x16f0 [ 28.688709][ T83] ? usb_set_configuration+0xdf6/0x1670 [ 28.694226][ T83] ? generic_probe+0x9d/0xd5 [ 28.698790][ T83] ? i2400m_reset+0x7e/0x2e0 [ 28.703370][ T83] ? really_probe+0x281/0x6d0 [ 28.708020][ T83] ? driver_probe_device+0x104/0x210 [ 28.713277][ T83] ? __device_attach_driver+0x1c2/0x220 [ 28.718795][ T83] ? bus_for_each_drv+0x162/0x1e0 [ 28.723796][ T83] ? __device_attach+0x217/0x360 [ 28.728706][ T83] i2400m_bootrom_init+0x319/0x1060 [ 28.733882][ T83] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 28.739485][ T83] ? i2400m_barker_db_init+0x2d0/0x2d0 [ 28.744917][ T83] ? i2400m_setup+0x205/0x970 [ 28.749664][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.755182][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.760440][ T83] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 28.766220][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 28.771476][ T83] ? i2400m_setup+0x29c/0x970 [ 28.776124][ T83] i2400m_setup+0x29c/0x970 [ 28.780600][ T83] ? __i2400m_dev_stop+0x360/0x360 [ 28.785685][ T83] ? mark_lock+0xbc/0x1160 [ 28.790085][ T83] ? rwlock_bug.part.0+0x90/0x90 [ 28.794997][ T83] ? mark_held_locks+0x9f/0xe0 [ 28.799736][ T83] ? _raw_spin_unlock_irq+0x24/0x30 [ 28.804925][ T83] i2400mu_probe+0x6b9/0xb10 [ 28.809499][ T83] usb_probe_interface+0x305/0x7a0 [ 28.814586][ T83] ? usb_probe_device+0x100/0x100 [ 28.819588][ T83] really_probe+0x281/0x6d0 [ 28.824067][ T83] driver_probe_device+0x104/0x210 [ 28.829152][ T83] __device_attach_driver+0x1c2/0x220 [ 28.834499][ T83] ? driver_allows_async_probing+0x160/0x160 [ 28.840452][ T83] bus_for_each_drv+0x162/0x1e0 [ 28.845277][ T83] ? bus_rescan_devices+0x20/0x20 [ 28.850278][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.856053][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.861309][ T83] __device_attach+0x217/0x360 [ 28.866045][ T83] ? device_bind_driver+0xd0/0xd0 [ 28.871043][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 28.876299][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 28.881559][ T83] bus_probe_device+0x1e4/0x290 [ 28.886386][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.892253][ T83] device_add+0xae6/0x16f0 [ 28.896650][ T83] ? uevent_store+0x50/0x50 [ 28.901134][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.906922][ T83] usb_set_configuration+0xdf6/0x1670 [ 28.912268][ T83] generic_probe+0x9d/0xd5 [ 28.916659][ T83] usb_probe_device+0x99/0x100 [ 28.921394][ T83] ? usb_suspend+0x620/0x620 [ 28.925974][ T83] really_probe+0x281/0x6d0 [ 28.930451][ T83] driver_probe_device+0x104/0x210 [ 28.935535][ T83] __device_attach_driver+0x1c2/0x220 [ 28.940881][ T83] ? driver_allows_async_probing+0x160/0x160 [ 28.946851][ T83] bus_for_each_drv+0x162/0x1e0 [ 28.951685][ T83] ? bus_rescan_devices+0x20/0x20 [ 28.956685][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 28.962464][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 28.967721][ T83] __device_attach+0x217/0x360 [ 28.972457][ T83] ? device_bind_driver+0xd0/0xd0 [ 28.977463][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 28.982720][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 28.987976][ T83] bus_probe_device+0x1e4/0x290 [ 28.992799][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 28.998663][ T83] device_add+0xae6/0x16f0 [ 29.003054][ T83] ? uevent_store+0x50/0x50 [ 29.007539][ T83] usb_new_device.cold+0x6a4/0xe79 [ 29.012620][ T83] hub_event+0x1df8/0x3800 [ 29.017008][ T83] ? hub_port_debounce+0x260/0x260 [ 29.022092][ T83] ? find_held_lock+0x2d/0x110 [ 29.026828][ T83] ? mark_held_locks+0xe0/0xe0 [ 29.031565][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.037082][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.042342][ T83] process_one_work+0x92b/0x1530 [ 29.047255][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.052599][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 29.057594][ T83] worker_thread+0x96/0xe20 [ 29.062071][ T83] ? process_one_work+0x1530/0x1530 [ 29.067252][ T83] kthread+0x318/0x420 [ 29.071295][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 29.076640][ T83] ret_from_fork+0x24/0x30 [ 29.081764][ T83] Kernel Offset: disabled [ 29.086110][ T83] Rebooting in 86400 seconds..