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 '10.128.0.129' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.041705][ T95] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 28.401754][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x9 has invalid wMaxPacketSize 0 [ 28.411527][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x5 has invalid wMaxPacketSize 0 [ 28.421336][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x3 has invalid wMaxPacketSize 0 [ 28.431107][ T95] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has invalid maxpacket 1879, setting to 64 [ 28.442012][ T95] usb 1-1: New USB device found, idVendor=8086, idProduct=0186, bcdDevice=dd.72 [ 28.451047][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 28.460524][ T95] usb 1-1: config 0 descriptor?? [ 28.481826][ T1795] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 28.512636][ T95] i2400m_usb 1-1:0.0: device not connected as high speed [ 28.521279][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.529363][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.537394][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.545418][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.553420][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.561435][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.569460][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.577471][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.585697][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.593724][ T95] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 28.601751][ T95] i2400m_usb 1-1:0.0: E: __i2400mu_send_barker: maximum errors in URB exceeded; resetting device [ 28.612329][ T95] i2400m_usb 1-1:0.0: warm reset failed (-8); trying USB reset [ 28.619856][ T95] ------------[ cut here ]------------ [ 28.625329][ T95] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 28.631346][ T95] WARNING: CPU: 0 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 28.640786][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 28.647364][ T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.5.0-rc6-syzkaller #0 [ 28.655526][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.665580][ T95] Workqueue: usb_hub_wq hub_event [ 28.670576][ T95] Call Trace: [ 28.673856][ T95] dump_stack+0xef/0x16e [ 28.678071][ T95] ? usb_submit_urb+0x1110/0x1460 [ 28.683066][ T95] panic+0x2aa/0x6e1 [ 28.686950][ T95] ? add_taint.cold+0x16/0x16 [ 28.691606][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 28.696872][ T95] ? __warn.cold+0x14/0x30 [ 28.701259][ T95] ? __warn+0xd5/0x1c8 [ 28.705301][ T95] ? usb_submit_urb+0x1188/0x1460 [ 28.710297][ T95] __warn.cold+0x2f/0x30 [ 28.714518][ T95] ? usb_submit_urb+0x1188/0x1460 [ 28.719534][ T95] report_bug+0x27b/0x2f0 [ 28.723845][ T95] do_error_trap+0x12b/0x1e0 [ 28.728407][ T95] ? usb_submit_urb+0x1188/0x1460 [ 28.733404][ T95] do_invalid_op+0x32/0x40 [ 28.737801][ T95] ? usb_submit_urb+0x1188/0x1460 [ 28.742798][ T95] invalid_op+0x23/0x30 [ 28.746929][ T95] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 28.752548][ T95] Code: 4d 85 ed 74 46 e8 a8 1c e1 fd 4c 89 f7 e8 90 87 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 27 3b 86 e8 30 03 b6 fd <0f> 0b e9 20 f4 ff ff e8 7c 1c e1 fd 0f 1f 44 00 00 e8 72 1c e1 fd [ 28.772151][ T95] RSP: 0018:ffff8881d594ec10 EFLAGS: 00010286 [ 28.778188][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 28.786150][ T95] RDX: 0000000000000000 RSI: ffffffff8129598d RDI: ffffed103ab29d74 [ 28.794097][ T95] RBP: ffff8881cd9b5cf0 R08: ffff8881d710e200 R09: ffffed103b646210 [ 28.802052][ T95] R10: ffffed103b64620f R11: ffff8881db23107f R12: 0000000000000001 [ 28.810020][ T95] R13: ffff8881cb5c5798 R14: ffff8881cd5780a0 R15: ffff8881d594ed90 [ 28.817973][ T95] ? vprintk_func+0x7d/0x113 [ 28.822556][ T95] i2400mu_bus_bm_wait_for_ack+0x4bf/0xb45 [ 28.828595][ T95] ? i2400mu_bus_bm_cmd_send+0xb20/0xb20 [ 28.834198][ T95] ? rpm_suspend+0x51f/0x1340 [ 28.838854][ T95] ? dev_vprintk_emit+0x541/0x541 [ 28.843853][ T95] ? i2400m_rx_stats_read.cold+0x1f/0x1f [ 28.849485][ T95] ? mark_lock+0xbc/0x1160 [ 28.853875][ T95] ? _dev_crit+0x109/0x109 [ 28.858285][ T95] ? mark_held_locks+0x9f/0xe0 [ 28.863036][ T95] ? queue_work_on+0x8f/0xb0 [ 28.867610][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 28.872867][ T95] i2400m_bm_cmd+0x346/0x7f0 [ 28.877447][ T95] ? i2400mu_bus_reset+0x1ff/0x410 [ 28.882537][ T95] ? __i2400m_bm_ack_verify+0x910/0x910 [ 28.888053][ T95] ? really_probe+0x290/0xad0 [ 28.892707][ T95] ? driver_probe_device+0x223/0x350 [ 28.897980][ T95] ? __device_attach_driver+0x1d1/0x290 [ 28.903508][ T95] ? bus_for_each_drv+0x162/0x1e0 [ 28.908511][ T95] ? __device_attach+0x217/0x390 [ 28.913435][ T95] ? bus_probe_device+0x1e4/0x290 [ 28.918437][ T95] ? device_add+0x1459/0x1bf0 [ 28.923105][ T95] ? usb_set_configuration+0xe47/0x17d0 [ 28.928700][ T95] ? generic_probe+0x9d/0xd5 [ 28.933272][ T95] ? usb_probe_device+0xaf/0x140 [ 28.938291][ T95] ? i2400m_reset+0x7e/0x2e0 [ 28.942857][ T95] ? driver_probe_device+0x223/0x350 [ 28.948140][ T95] ? __device_attach_driver+0x1d1/0x290 [ 28.953663][ T95] ? bus_for_each_drv+0x162/0x1e0 [ 28.958663][ T95] ? __device_attach+0x217/0x390 [ 28.963664][ T95] ? bus_probe_device+0x1e4/0x290 [ 28.968669][ T95] i2400m_bootrom_init+0x319/0x1060 [ 28.973846][ T95] ? fs_reclaim_release+0xa/0x20 [ 28.978771][ T95] ? i2400m_barker_db_init+0x2d0/0x2d0 [ 28.984205][ T95] ? i2400m_setup+0x205/0x970 [ 28.988860][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.994380][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.999643][ T95] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 29.005435][ T95] ? kasan_unpoison_shadow+0x30/0x40 [ 29.010695][ T95] ? i2400m_setup+0x29c/0x970 [ 29.015355][ T95] i2400m_setup+0x29c/0x970 [ 29.019851][ T95] ? __i2400m_dev_stop+0x360/0x360 [ 29.024936][ T95] ? mark_lock+0xbc/0x1160 [ 29.029326][ T95] ? rwlock_bug.part.0+0x90/0x90 [ 29.034236][ T95] ? mark_held_locks+0x9f/0xe0 [ 29.038975][ T95] ? _raw_spin_unlock_irq+0x1f/0x30 [ 29.044928][ T95] i2400mu_probe+0x6b9/0xb10 [ 29.049511][ T95] usb_probe_interface+0x310/0x800 [ 29.054603][ T95] ? usb_probe_device+0x140/0x140 [ 29.059614][ T95] really_probe+0x290/0xad0 [ 29.064094][ T95] driver_probe_device+0x223/0x350 [ 29.069193][ T95] __device_attach_driver+0x1d1/0x290 [ 29.074540][ T95] ? driver_allows_async_probing+0x160/0x160 [ 29.080491][ T95] bus_for_each_drv+0x162/0x1e0 [ 29.085329][ T95] ? bus_rescan_devices+0x20/0x20 [ 29.090343][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.096161][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 29.101459][ T95] __device_attach+0x217/0x390 [ 29.106488][ T95] ? device_bind_driver+0xd0/0xd0 [ 29.111486][ T95] bus_probe_device+0x1e4/0x290 [ 29.116310][ T95] device_add+0x1459/0x1bf0 [ 29.120792][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 29.126053][ T95] ? device_link_remove+0x110/0x110 [ 29.131320][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.137110][ T95] usb_set_configuration+0xe47/0x17d0 [ 29.142454][ T95] generic_probe+0x9d/0xd5 [ 29.146868][ T95] usb_probe_device+0xaf/0x140 [ 29.151611][ T95] ? usb_suspend+0x5f0/0x5f0 [ 29.156978][ T95] really_probe+0x290/0xad0 [ 29.161641][ T95] driver_probe_device+0x223/0x350 [ 29.166724][ T95] __device_attach_driver+0x1d1/0x290 [ 29.172074][ T95] ? driver_allows_async_probing+0x160/0x160 [ 29.178044][ T95] bus_for_each_drv+0x162/0x1e0 [ 29.182867][ T95] ? bus_rescan_devices+0x20/0x20 [ 29.187875][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 29.193655][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 29.198911][ T95] __device_attach+0x217/0x390 [ 29.203649][ T95] ? device_bind_driver+0xd0/0xd0 [ 29.208646][ T95] bus_probe_device+0x1e4/0x290 [ 29.213469][ T95] device_add+0x1459/0x1bf0 [ 29.217944][ T95] ? device_link_remove+0x110/0x110 [ 29.223112][ T95] usb_new_device.cold+0x540/0xcd0 [ 29.228193][ T95] hub_event+0x21cb/0x4300 [ 29.232586][ T95] ? hub_port_debounce+0x350/0x350 [ 29.237692][ T95] ? find_held_lock+0x2d/0x110 [ 29.242427][ T95] ? mark_held_locks+0xe0/0xe0 [ 29.247166][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 29.252682][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 29.257938][ T95] process_one_work+0x945/0x15c0 [ 29.262860][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.268216][ T95] ? do_raw_spin_lock+0x129/0x290 [ 29.273211][ T95] worker_thread+0x96/0xe20 [ 29.277688][ T95] ? process_one_work+0x15c0/0x15c0 [ 29.282854][ T95] kthread+0x318/0x420 [ 29.286905][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 29.292348][ T95] ret_from_fork+0x24/0x30 [ 29.297495][ T95] Kernel Offset: disabled [ 29.302079][ T95] Rebooting in 86400 seconds..