[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.896527][ C1] random: crng init done [?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 '10.128.0.234' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.991430][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 33.231563][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 33.351765][ T12] usb 1-1: config 0 has an invalid interface number: 151 but max is 0 [ 33.360293][ T12] usb 1-1: config 0 has no interface number 0 [ 33.366639][ T12] usb 1-1: config 0 interface 151 altsetting 0 endpoint 0x8 has invalid maxpacket 411, setting to 64 [ 33.377533][ T12] usb 1-1: config 0 interface 151 altsetting 0 endpoint 0xE has invalid maxpacket 558, setting to 64 [ 33.388422][ T12] usb 1-1: config 0 interface 151 altsetting 0 endpoint 0x4 has an invalid bInterval 255, changing to 11 [ 33.400094][ T12] usb 1-1: config 0 interface 151 altsetting 0 has a duplicate endpoint with address 0x4, skipping [ 33.411370][ T12] usb 1-1: config 0 interface 151 altsetting 0 endpoint 0x9 has invalid maxpacket 622, setting to 64 [ 33.423326][ T12] usb 1-1: New USB device found, idVendor=0711, idProduct=0902, bcdDevice=e5.d1 [ 33.432522][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 33.442049][ T12] usb 1-1: config 0 descriptor?? executing program [ 33.721711][ T12] usb 1-1: string descriptor 0 read error: -71 [ 33.730829][ T12] usb 1-1: USB2VGA dongle found at address 2 [ 33.743134][ T12] usb 1-1: Allocated 8 output buffers [ 33.748546][ T12] ------------[ cut here ]------------ [ 33.754191][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 33.760181][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 33.769632][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 33.776364][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc1+ #0 [ 33.783725][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.793800][ T12] Workqueue: usb_hub_wq hub_event [ 33.798817][ T12] Call Trace: [ 33.802118][ T12] dump_stack+0xca/0x13e [ 33.806357][ T12] ? usb_submit_urb+0x1180/0x13b0 [ 33.811379][ T12] panic+0x2a3/0x6da [ 33.815267][ T12] ? add_taint.cold+0x16/0x16 [ 33.819953][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 33.825251][ T12] ? __warn.cold+0x14/0x3a [ 33.832177][ T12] ? __warn+0xd5/0x1d0 [ 33.836243][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 33.841270][ T12] __warn.cold+0x2f/0x3a [ 33.845598][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 33.851158][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 33.856183][ T12] report_bug+0x27b/0x2f0 [ 33.860547][ T12] do_error_trap+0x12b/0x1e0 [ 33.865113][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 33.870336][ T12] do_invalid_op+0x32/0x40 [ 33.874735][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 33.879894][ T12] invalid_op+0x23/0x30 [ 33.884041][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 33.889664][ T12] Code: 4d 85 ed 74 2c e8 48 7a ec fd 4c 89 f7 e8 90 84 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 60 43 18 86 e8 9d 21 c2 fd <0f> 0b e9 20 f4 ff ff e8 1c 7a ec fd 4c 89 f2 48 b8 00 00 00 00 00 [ 33.909753][ T12] RSP: 0018:ffff8881da20edc8 EFLAGS: 00010282 [ 33.915808][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.923762][ T12] RDX: 0000000000000000 RSI: ffffffff8128bf9d RDI: ffffed103b441dab [ 33.931790][ T12] RBP: ffff8881d30d4d20 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 33.939749][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 33.948418][ T12] R13: ffff8881d322efd8 R14: ffff8881d778c4a0 R15: ffff8881d616e600 [ 33.956415][ T12] ? vprintk_func+0x7d/0x113 [ 33.961141][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 33.966174][ T12] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 33.972503][ T12] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 33.979036][ T12] ? wake_up_klogd+0x41/0x50 [ 33.983622][ T12] ? vprintk_emit+0x18c/0x3e0 [ 33.988292][ T12] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 33.994965][ T12] ? sisusb_send_bulk_msg.constprop.0+0x1030/0x1030 [ 34.001595][ T12] sisusb_do_init_gfxdevice+0x8a/0x450 [ 34.007059][ T12] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 34.012823][ T12] ? dev_printk_emit+0xba/0xf1 [ 34.017580][ T12] ? dev_vprintk_emit+0x541/0x541 [ 34.022614][ T12] ? really_probe+0x281/0x6d0 [ 34.027283][ T12] sisusb_init_gfxdevice+0xe1/0x18d0 [ 34.032725][ T12] ? hub_event+0x1b5c/0x3640 [ 34.037318][ T12] ? worker_thread+0x96/0xe20 [ 34.041973][ T12] ? kthread+0x318/0x420 [ 34.046194][ T12] ? __dev_printk+0x1db/0x203 [ 34.050852][ T12] ? sisusb_set_default_mode+0xa50/0xa50 [ 34.056462][ T12] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 34.062624][ T12] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 34.068442][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.073707][ T12] ? refcount_inc_checked+0x1d/0x60 [ 34.078899][ T12] ? kobject_get+0x67/0xc0 [ 34.083410][ T12] sisusb_probe+0x902/0xae8 [ 34.087954][ T12] usb_probe_interface+0x305/0x7a0 [ 34.093076][ T12] ? usb_probe_device+0x100/0x100 [ 34.098382][ T12] really_probe+0x281/0x6d0 [ 34.102888][ T12] driver_probe_device+0x104/0x210 [ 34.107985][ T12] __device_attach_driver+0x1c2/0x220 [ 34.113435][ T12] ? driver_allows_async_probing+0x160/0x160 [ 34.119525][ T12] bus_for_each_drv+0x162/0x1e0 [ 34.124378][ T12] ? bus_rescan_devices+0x20/0x20 [ 34.129445][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 34.135266][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.140546][ T12] __device_attach+0x217/0x360 [ 34.145304][ T12] ? device_bind_driver+0xd0/0xd0 [ 34.150333][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 34.155617][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 34.160896][ T12] bus_probe_device+0x1e4/0x290 [ 34.165753][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 34.171665][ T12] device_add+0xae6/0x16f0 [ 34.176069][ T12] ? uevent_store+0x50/0x50 [ 34.180563][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 34.186515][ T12] usb_set_configuration+0xdf6/0x1670 [ 34.191882][ T12] generic_probe+0x9d/0xd5 [ 34.196300][ T12] usb_probe_device+0x99/0x100 [ 34.201040][ T12] ? usb_suspend+0x620/0x620 [ 34.205603][ T12] really_probe+0x281/0x6d0 [ 34.210096][ T12] driver_probe_device+0x104/0x210 [ 34.215188][ T12] __device_attach_driver+0x1c2/0x220 [ 34.220535][ T12] ? driver_allows_async_probing+0x160/0x160 [ 34.226510][ T12] bus_for_each_drv+0x162/0x1e0 [ 34.231360][ T12] ? bus_rescan_devices+0x20/0x20 [ 34.236376][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 34.242163][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 34.247425][ T12] __device_attach+0x217/0x360 [ 34.252189][ T12] ? device_bind_driver+0xd0/0xd0 [ 34.257215][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 34.262495][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 34.267770][ T12] bus_probe_device+0x1e4/0x290 [ 34.272609][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 34.278485][ T12] device_add+0xae6/0x16f0 [ 34.282887][ T12] ? uevent_store+0x50/0x50 [ 34.287407][ T12] usb_new_device.cold+0x6a4/0xe79 [ 34.292541][ T12] hub_event+0x1b5c/0x3640 [ 34.296974][ T12] ? hub_port_debounce+0x260/0x260 [ 34.302107][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.307637][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.312928][ T12] process_one_work+0x92b/0x1530 [ 34.317860][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 34.323240][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 34.328254][ T12] worker_thread+0x96/0xe20 [ 34.332748][ T12] ? process_one_work+0x1530/0x1530 [ 34.337937][ T12] kthread+0x318/0x420 [ 34.341993][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 34.347381][ T12] ret_from_fork+0x24/0x30 [ 34.352598][ T12] Kernel Offset: disabled [ 34.356976][ T12] Rebooting in 86400 seconds..