[....] 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[ 12.983009][ T1663] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 15.044133][ T1696] random: sshd: uninitialized urandom read (32 bytes read) [ 15.161449][ T1699] random: sshd: uninitialized urandom read (32 bytes read) [ 15.230544][ C1] random: crng init done Warning: Permanently added '10.128.0.143' (ECDSA) to the list of known hosts. executing program [ 38.313974][ T12] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 38.673914][ T12] usb 1-1: config 0 has an invalid interface number: 250 but max is 0 [ 38.682171][ T12] usb 1-1: config 0 has an invalid descriptor of length 8, skipping remainder of the config [ 38.692307][ T12] usb 1-1: config 0 has no interface number 0 [ 38.698429][ T12] usb 1-1: config 0 interface 250 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 38.708892][ T12] usb 1-1: New USB device found, idVendor=0411, idProduct=0016, bcdDevice=57.ea [ 38.718086][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.727598][ T12] usb 1-1: config 0 descriptor?? [ 38.768720][ T12] prism2_usb 1-1:0.250 (unnamed net_device) (uninitialized): prism2_usb: Checking for firmware prism2_ru.fw [ 38.820497][ T12] usb 1-1: Direct firmware load for prism2_ru.fw failed with error -2 [ 38.828778][ T12] prism2_usb 1-1:0.250 (unnamed net_device) (uninitialized): prism2_usb: Firmware not available, but not essential [ 38.840894][ T12] prism2_usb 1-1:0.250 (unnamed net_device) (uninitialized): prism2_usb: can continue to use card anyway. [ 38.883861][ T12] ------------[ cut here ]------------ [ 38.889325][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 38.895374][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 38.904804][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 38.911361][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc5+ #28 [ 38.918787][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.928830][ T12] Workqueue: usb_hub_wq hub_event [ 38.933826][ T12] Call Trace: [ 38.937102][ T12] dump_stack+0xca/0x13e [ 38.941326][ T12] ? usb_submit_urb+0x1110/0x13b0 [ 38.946323][ T12] panic+0x2a3/0x6da [ 38.950190][ T12] ? add_taint.cold+0x16/0x16 [ 38.954854][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 38.960116][ T12] ? __warn.cold+0x5/0x4a [ 38.964420][ T12] ? __warn+0xe3/0x1e0 [ 38.968461][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 38.973457][ T12] __warn.cold+0x20/0x4a [ 38.977674][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 38.982675][ T12] report_bug+0x262/0x2a0 [ 38.986979][ T12] do_error_trap+0x12b/0x1e0 [ 38.991544][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 38.996535][ T12] do_invalid_op+0x32/0x40 [ 39.000923][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 39.005934][ T12] invalid_op+0x23/0x30 [ 39.010068][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 39.016023][ T12] Code: 4d 85 ed 74 2c e8 88 ba ef fd 4c 89 f7 e8 70 bf 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 00 69 18 86 e8 6d a0 c5 fd <0f> 0b e9 20 f4 ff ff e8 5c ba ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 39.035605][ T12] RSP: 0018:ffff8881da20f050 EFLAGS: 00010286 [ 39.041645][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.049591][ T12] RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed103b441dfc [ 39.057532][ T12] RBP: ffff8881d3866200 R08: ffff8881da1f9800 R09: fffffbfff11ad79a [ 39.065477][ T12] R10: fffffbfff11ad799 R11: ffffffff88d6bccf R12: 0000000000000003 [ 39.073419][ T12] R13: ffff8881d2bc7ee8 R14: ffff8881d6256f20 R15: ffff8881d2940008 [ 39.081371][ T12] ? vprintk_func+0x7d/0x113 [ 39.085936][ T12] submit_rx_urb+0x2f8/0x400 [ 39.090496][ T12] hfa384x_drvr_start+0x1cb/0x420 [ 39.095489][ T12] ? hfa384x_drvr_setconfig+0x40/0x40 [ 39.100835][ T12] ? __netdev_printk+0x1c6/0x27c [ 39.105741][ T12] prism2sta_ifstate+0x2ea/0x4a0 [ 39.110648][ T12] ? netdev_notice+0x109/0x109 [ 39.115382][ T12] ? assign_fw+0x4f0/0x4f0 [ 39.119764][ T12] ? prism2mib_bytearea2pstr+0x1f0/0x1f0 [ 39.125364][ T12] prism2sta_probe_usb.cold+0x1c8/0x49e [ 39.130877][ T12] ? prism2sta_mlmerequest+0x7e0/0x7e0 [ 39.136303][ T12] ? __pm_runtime_resume+0x111/0x180 [ 39.141558][ T12] usb_probe_interface+0x305/0x7a0 [ 39.146639][ T12] ? usb_probe_device+0x100/0x100 [ 39.151634][ T12] really_probe+0x281/0x6d0 [ 39.156105][ T12] driver_probe_device+0x101/0x1b0 [ 39.161184][ T12] __device_attach_driver+0x1c2/0x220 [ 39.166532][ T12] ? driver_allows_async_probing+0x160/0x160 [ 39.172480][ T12] bus_for_each_drv+0x162/0x1e0 [ 39.177304][ T12] ? bus_rescan_devices+0x20/0x20 [ 39.182295][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.188068][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 39.193322][ T12] __device_attach+0x217/0x360 [ 39.198069][ T12] ? device_bind_driver+0xd0/0xd0 [ 39.203059][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 39.208311][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 39.213649][ T12] bus_probe_device+0x1e4/0x290 [ 39.218467][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.224342][ T12] device_add+0xae6/0x16f0 [ 39.228748][ T12] ? uevent_store+0x50/0x50 [ 39.233231][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.239016][ T12] usb_set_configuration+0xdf6/0x1670 [ 39.244365][ T12] generic_probe+0x9d/0xd5 [ 39.248764][ T12] usb_probe_device+0x99/0x100 [ 39.253499][ T12] ? usb_suspend+0x620/0x620 [ 39.258174][ T12] really_probe+0x281/0x6d0 [ 39.262653][ T12] driver_probe_device+0x101/0x1b0 [ 39.267739][ T12] __device_attach_driver+0x1c2/0x220 [ 39.273086][ T12] ? driver_allows_async_probing+0x160/0x160 [ 39.279038][ T12] bus_for_each_drv+0x162/0x1e0 [ 39.283862][ T12] ? bus_rescan_devices+0x20/0x20 [ 39.288997][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.294788][ T12] ? lockdep_hardirqs_on+0x379/0x580 [ 39.300053][ T12] __device_attach+0x217/0x360 [ 39.304791][ T12] ? device_bind_driver+0xd0/0xd0 [ 39.309788][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 39.315048][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 39.320313][ T12] bus_probe_device+0x1e4/0x290 [ 39.325134][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.330996][ T12] device_add+0xae6/0x16f0 [ 39.335386][ T12] ? uevent_store+0x50/0x50 [ 39.339859][ T12] usb_new_device.cold+0x6a4/0xe79 [ 39.344939][ T12] hub_event+0x1b5c/0x3640 [ 39.349327][ T12] ? hub_port_debounce+0x260/0x260 [ 39.354408][ T12] process_one_work+0x92b/0x1530 [ 39.359317][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.364657][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 39.369652][ T12] worker_thread+0x96/0xe20 [ 39.374123][ T12] ? process_one_work+0x1530/0x1530 [ 39.379358][ T12] kthread+0x318/0x420 [ 39.383409][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 39.388757][ T12] ret_from_fork+0x24/0x30 [ 39.393757][ T12] Kernel Offset: disabled [ 39.398102][ T12] Rebooting in 86400 seconds..