[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[ 14.222677][ T1659] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 14.329392][ C1] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.064229][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 40.304193][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 40.434301][ T12] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x87 has invalid maxpacket 672 [ 40.444373][ T12] usb 1-1: New USB device found, idVendor=8086, idProduct=0181, bcdDevice=46.8f [ 40.453385][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 40.462631][ T12] usb 1-1: config 0 descriptor?? [ 40.516390][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.524583][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.532597][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.540693][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.548735][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.556813][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.564859][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.572852][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.580914][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.588975][ T12] i2400m_usb 1-1:0.0: W: __i2400mu_send_barker: cannot send URB: -8 [ 40.597200][ T12] i2400m_usb 1-1:0.0: E: __i2400mu_send_barker: maximum errors in URB exceeded; resetting device [ 40.607851][ T12] i2400m_usb 1-1:0.0: warm reset failed (-8); trying USB reset [ 40.615441][ T12] ------------[ cut here ]------------ [ 40.620892][ T12] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 40.626986][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 40.636435][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 40.643003][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc5+ #0 [ 40.650386][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.660429][ T12] Workqueue: usb_hub_wq hub_event [ 40.665435][ T12] Call Trace: [ 40.668718][ T12] dump_stack+0xca/0x13e [ 40.672949][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 40.677951][ T12] panic+0x2aa/0x6e1 [ 40.681823][ T12] ? add_taint.cold+0x16/0x16 [ 40.686482][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 40.691832][ T12] ? __warn.cold+0x14/0x33 [ 40.696227][ T12] ? __warn+0xd5/0x1d0 [ 40.700285][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.705286][ T12] __warn.cold+0x2f/0x33 [ 40.709528][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.714538][ T12] report_bug+0x27b/0x2f0 [ 40.718852][ T12] do_error_trap+0x12b/0x1e0 [ 40.723478][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.728480][ T12] do_invalid_op+0x32/0x40 [ 40.732875][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 40.737877][ T12] invalid_op+0x23/0x30 [ 40.742010][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 40.747619][ T12] Code: 4d 85 ed 74 2c e8 e8 31 ef fd 4c 89 f7 e8 40 40 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 76 14 86 e8 1d ce c4 fd <0f> 0b e9 20 f4 ff ff e8 bc 31 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 40.767200][ T12] RSP: 0018:ffff8881da226c20 EFLAGS: 00010286 [ 40.773246][ T12] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 40.781250][ T12] RDX: 0000000000000000 RSI: ffffffff8128c8ed RDI: ffffed103b444d76 [ 40.789249][ T12] RBP: ffff8881cf8878a0 R08: ffff8881da211800 R09: fffffbfff11ab3ae [ 40.797199][ T12] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: 0000000000000001 [ 40.805151][ T12] R13: ffff8881cb4a0ae0 R14: ffff8881c671d0a0 R15: ffff8881da226da0 [ 40.813110][ T12] ? vprintk_func+0x7d/0x113 [ 40.817719][ T12] i2400mu_bus_bm_wait_for_ack+0x4bf/0xb45 [ 40.823546][ T12] ? i2400mu_bus_bm_cmd_send+0xb20/0xb20 [ 40.829196][ T12] ? rpm_suspend+0x51f/0x1300 [ 40.833853][ T12] ? dev_vprintk_emit+0x541/0x541 [ 40.838866][ T12] ? i2400m_rx_stats_read.cold+0x1f/0x1f [ 40.844476][ T12] ? mark_lock+0xbc/0x1160 [ 40.848870][ T12] ? _dev_crit+0x109/0x109 [ 40.853306][ T12] ? mark_held_locks+0x9f/0xe0 [ 40.858048][ T12] ? queue_work_on+0x8f/0xb0 [ 40.862615][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 40.867874][ T12] i2400m_bm_cmd+0x346/0x7f0 [ 40.872441][ T12] ? i2400mu_bus_reset+0x1ff/0x410 [ 40.877527][ T12] ? __i2400m_bm_ack_verify+0x910/0x910 [ 40.883048][ T12] ? usb_probe_interface+0x305/0x7a0 [ 40.888311][ T12] ? really_probe+0x281/0x6d0 [ 40.892977][ T12] ? driver_probe_device+0x104/0x210 [ 40.898251][ T12] ? __device_attach_driver+0x1c2/0x220 [ 40.903771][ T12] ? bus_for_each_drv+0x162/0x1e0 [ 40.908784][ T12] ? __device_attach+0x217/0x360 [ 40.913698][ T12] ? bus_probe_device+0x1e4/0x290 [ 40.918707][ T12] ? device_add+0xae6/0x16f0 [ 40.923285][ T12] ? usb_set_configuration+0xdf6/0x1670 [ 40.928821][ T12] ? generic_probe+0x9d/0xd5 [ 40.933398][ T12] ? i2400m_reset+0x7e/0x2e0 [ 40.937965][ T12] ? really_probe+0x281/0x6d0 [ 40.942619][ T12] ? driver_probe_device+0x104/0x210 [ 40.947884][ T12] ? __device_attach_driver+0x1c2/0x220 [ 40.953406][ T12] ? bus_for_each_drv+0x162/0x1e0 [ 40.958410][ T12] ? __device_attach+0x217/0x360 [ 40.963325][ T12] i2400m_bootrom_init+0x319/0x1060 [ 40.968513][ T12] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 40.974124][ T12] ? i2400m_barker_db_init+0x2d0/0x2d0 [ 40.979555][ T12] ? i2400m_setup+0x205/0x970 [ 40.984209][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 40.989746][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 40.995010][ T12] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 41.000805][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 41.006069][ T12] ? i2400m_setup+0x29c/0x970 [ 41.010722][ T12] i2400m_setup+0x29c/0x970 [ 41.015202][ T12] ? __i2400m_dev_stop+0x360/0x360 [ 41.020300][ T12] ? mark_lock+0xbc/0x1160 [ 41.024693][ T12] ? rwlock_bug.part.0+0x90/0x90 [ 41.029618][ T12] ? mark_held_locks+0x9f/0xe0 [ 41.034369][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 41.039544][ T12] i2400mu_probe+0x6b9/0xb10 [ 41.044133][ T12] usb_probe_interface+0x305/0x7a0 [ 41.049223][ T12] ? usb_probe_device+0x100/0x100 [ 41.054238][ T12] really_probe+0x281/0x6d0 [ 41.058720][ T12] driver_probe_device+0x104/0x210 [ 41.063826][ T12] __device_attach_driver+0x1c2/0x220 [ 41.069176][ T12] ? driver_allows_async_probing+0x160/0x160 [ 41.075148][ T12] bus_for_each_drv+0x162/0x1e0 [ 41.079979][ T12] ? bus_rescan_devices+0x20/0x20 [ 41.084983][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.090778][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 41.096040][ T12] __device_attach+0x217/0x360 [ 41.100781][ T12] ? device_bind_driver+0xd0/0xd0 [ 41.105780][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 41.111042][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 41.116334][ T12] bus_probe_device+0x1e4/0x290 [ 41.121163][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.127030][ T12] device_add+0xae6/0x16f0 [ 41.131421][ T12] ? uevent_store+0x50/0x50 [ 41.135904][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.141689][ T12] usb_set_configuration+0xdf6/0x1670 [ 41.147191][ T12] generic_probe+0x9d/0xd5 [ 41.151604][ T12] usb_probe_device+0x99/0x100 [ 41.156439][ T12] ? usb_suspend+0x620/0x620 [ 41.161011][ T12] really_probe+0x281/0x6d0 [ 41.165521][ T12] driver_probe_device+0x104/0x210 [ 41.170614][ T12] __device_attach_driver+0x1c2/0x220 [ 41.175965][ T12] ? driver_allows_async_probing+0x160/0x160 [ 41.181919][ T12] bus_for_each_drv+0x162/0x1e0 [ 41.186747][ T12] ? bus_rescan_devices+0x20/0x20 [ 41.191777][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 41.197569][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 41.202828][ T12] __device_attach+0x217/0x360 [ 41.207569][ T12] ? device_bind_driver+0xd0/0xd0 [ 41.212588][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 41.217867][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 41.223129][ T12] bus_probe_device+0x1e4/0x290 [ 41.227957][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 41.233826][ T12] device_add+0xae6/0x16f0 [ 41.238223][ T12] ? uevent_store+0x50/0x50 [ 41.242812][ T12] usb_new_device.cold+0x6a4/0xe79 [ 41.247915][ T12] hub_event+0x1df8/0x3800 [ 41.252313][ T12] ? hub_port_debounce+0x260/0x260 [ 41.257402][ T12] ? find_held_lock+0x2d/0x110 [ 41.262144][ T12] ? mark_held_locks+0xe0/0xe0 [ 41.266884][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 41.272403][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 41.277667][ T12] process_one_work+0x92b/0x1530 [ 41.282591][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 41.287941][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 41.292949][ T12] worker_thread+0x96/0xe20 [ 41.297433][ T12] ? process_one_work+0x1530/0x1530 [ 41.302615][ T12] kthread+0x318/0x420 [ 41.306660][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 41.312021][ T12] ret_from_fork+0x24/0x30 [ 41.317143][ T12] Kernel Offset: disabled [ 41.322188][ T12] Rebooting in 86400 seconds..