[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[ 14.735521][ T1659] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.627740][ T1692] random: sshd: uninitialized urandom read (32 bytes read) [ 19.642780][ C1] random: crng init done Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts. executing program [ 26.294125][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.534084][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 26.654191][ T12] usb 1-1: config 0 has an invalid interface number: 134 but max is 0 [ 26.662474][ T12] usb 1-1: config 0 has no interface number 0 [ 26.668687][ T12] usb 1-1: config 0 interface 134 altsetting 1 endpoint 0x5 has invalid maxpacket 770, setting to 64 [ 26.679571][ T12] usb 1-1: config 0 interface 134 has no altsetting 0 [ 26.686383][ T12] usb 1-1: New USB device found, idVendor=0711, idProduct=0902, bcdDevice=3f.c7 [ 26.695444][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.704652][ T12] usb 1-1: config 0 descriptor?? [ 26.745783][ T12] usb 1-1: USB2VGA dongle found at address 2 [ 26.756745][ T12] usb 1-1: Allocated 8 output buffers [ 26.762148][ T12] ------------[ cut here ]------------ [ 26.767645][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 26.773632][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 26.783770][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 26.790355][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc7+ #0 [ 26.797702][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.807745][ T12] Workqueue: usb_hub_wq hub_event [ 26.812740][ T12] Call Trace: [ 26.816095][ T12] dump_stack+0xca/0x13e [ 26.820313][ T12] ? usb_submit_urb+0x10c0/0x13b0 [ 26.825318][ T12] panic+0x2a3/0x6da [ 26.829193][ T12] ? add_taint.cold+0x16/0x16 [ 26.833850][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 26.839115][ T12] ? __warn.cold+0x5/0x4a [ 26.843416][ T12] ? __warn+0xe3/0x1e0 [ 26.847473][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.852469][ T12] __warn.cold+0x20/0x4a [ 26.856688][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 26.862030][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.867038][ T12] report_bug+0x262/0x2a0 [ 26.871352][ T12] do_error_trap+0x12b/0x1e0 [ 26.875926][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.880922][ T12] do_invalid_op+0x32/0x40 [ 26.885312][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.890317][ T12] invalid_op+0x23/0x30 [ 26.894447][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 26.900055][ T12] Code: 4d 85 ed 74 2c e8 f8 8e ef fd 4c 89 f7 e8 e0 b1 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 85 18 86 e8 1d 74 c5 fd <0f> 0b e9 20 f4 ff ff e8 cc 8e ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 26.919640][ T12] RSP: 0018:ffff8881da20edd8 EFLAGS: 00010286 [ 26.925688][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 26.933731][ T12] RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b441dad [ 26.941676][ T12] RBP: ffff8881d4d18c00 R08: ffff8881da1f9800 R09: ffffed103b645d58 [ 26.949624][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: 0000000000000003 [ 26.957580][ T12] R13: ffff8881cafe0660 R14: ffff8881d68c00a0 R15: ffff8881d5746f00 [ 26.965542][ T12] ? vprintk_func+0x7d/0x113 [ 26.970110][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 26.975373][ T12] sisusb_send_bulk_msg.constprop.0+0x88a/0x1030 [ 26.981688][ T12] ? sisusb_kill_all_busy+0x200/0x200 [ 26.987046][ T12] ? wake_up_klogd+0x41/0x50 [ 26.991607][ T12] ? vprintk_emit+0x18c/0x3e0 [ 26.996258][ T12] sisusb_send_bridge_packet.constprop.0+0x11c/0x240 [ 27.002907][ T12] ? sisusb_recv_bulk_msg.constprop.0+0x830/0x830 [ 27.009313][ T12] sisusb_do_init_gfxdevice+0x8a/0x450 [ 27.014746][ T12] ? sisusb_read_memio_word+0x2f0/0x2f0 [ 27.020273][ T12] ? dev_printk_emit+0xba/0xf1 [ 27.025011][ T12] ? dev_vprintk_emit+0x541/0x541 [ 27.030006][ T12] ? really_probe+0x281/0x6d0 [ 27.034659][ T12] sisusb_init_gfxdevice+0xe1/0x18d0 [ 27.039929][ T12] ? hub_event+0x1b5c/0x3640 [ 27.044624][ T12] ? worker_thread+0x96/0xe20 [ 27.049289][ T12] ? kthread+0x318/0x420 [ 27.053515][ T12] ? __dev_printk+0x1db/0x203 [ 27.058169][ T12] ? sisusb_set_default_mode+0xa50/0xa50 [ 27.063777][ T12] ? refcount_inc_not_zero_checked+0x12d/0x1e0 [ 27.069990][ T12] ? refcount_dec_and_mutex_lock+0x80/0x80 [ 27.075768][ T12] ? refcount_inc_checked+0x1d/0x60 [ 27.080955][ T12] ? kobject_get+0x67/0xc0 [ 27.085351][ T12] sisusb_probe+0x902/0xae8 [ 27.089835][ T12] usb_probe_interface+0x305/0x7a0 [ 27.094931][ T12] ? usb_probe_device+0x100/0x100 [ 27.099937][ T12] really_probe+0x281/0x6d0 [ 27.104423][ T12] driver_probe_device+0x101/0x1b0 [ 27.109519][ T12] __device_attach_driver+0x1c2/0x220 [ 27.114866][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.120827][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.125651][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.130659][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.136449][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 27.141706][ T12] __device_attach+0x217/0x360 [ 27.146449][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.151448][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 27.156704][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 27.161972][ T12] bus_probe_device+0x1e4/0x290 [ 27.166805][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.172677][ T12] device_add+0xae6/0x16f0 [ 27.177067][ T12] ? uevent_store+0x50/0x50 [ 27.181543][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.187327][ T12] usb_set_configuration+0xdf6/0x1670 [ 27.192681][ T12] generic_probe+0x9d/0xd5 [ 27.197073][ T12] usb_probe_device+0x99/0x100 [ 27.201808][ T12] ? usb_suspend+0x620/0x620 [ 27.206372][ T12] really_probe+0x281/0x6d0 [ 27.210846][ T12] driver_probe_device+0x101/0x1b0 [ 27.215939][ T12] __device_attach_driver+0x1c2/0x220 [ 27.221282][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.227242][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.232065][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.237065][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.242854][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 27.248110][ T12] __device_attach+0x217/0x360 [ 27.252847][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.257845][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 27.263102][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 27.268358][ T12] bus_probe_device+0x1e4/0x290 [ 27.273182][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.279049][ T12] device_add+0xae6/0x16f0 [ 27.283448][ T12] ? uevent_store+0x50/0x50 [ 27.287926][ T12] usb_new_device.cold+0x6a4/0xe79 [ 27.293016][ T12] hub_event+0x1b5c/0x3640 [ 27.297481][ T12] ? hub_port_debounce+0x260/0x260 [ 27.302586][ T12] process_one_work+0x92b/0x1530 [ 27.307545][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.312904][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 27.317905][ T12] worker_thread+0x96/0xe20 [ 27.322387][ T12] ? process_one_work+0x1530/0x1530 [ 27.327562][ T12] kthread+0x318/0x420 [ 27.331605][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 27.336984][ T12] ret_from_fork+0x24/0x30 [ 27.342147][ T12] Kernel Offset: disabled [ 27.346505][ T12] Rebooting in 86400 seconds..