[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[ 14.223337][ T1662] random: sshd: uninitialized urandom read (32 bytes read) [ 14.241439][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.634449][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.874063][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 52.994068][ T83] usb 1-1: config 253 has an invalid interface number: 86 but max is 0 [ 53.002431][ T83] usb 1-1: config 253 has no interface number 0 [ 53.008864][ T83] usb 1-1: config 253 interface 86 altsetting 0 endpoint 0x1 has an invalid bInterval 129, changing to 11 [ 53.020180][ T83] usb 1-1: config 253 interface 86 altsetting 0 endpoint 0xA has invalid maxpacket 824, setting to 64 [ 53.031173][ T83] usb 1-1: New USB device found, idVendor=17e9, idProduct=51f3, bcdDevice=42.b6 [ 53.040272][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 53.334178][ T83] udlfb 1-1:253.86: vendor descriptor not available (-71) [ 53.354022][ T83] usb 1-1: Read EDID byte 0 failed: -71 [ 53.374030][ T83] usb 1-1: Read EDID byte 0 failed: -71 [ 53.394040][ T83] usb 1-1: Read EDID byte 0 failed: -71 [ 53.399604][ T83] usb 1-1: Unable to get valid EDID from device/display [ 53.425309][ T83] ------------[ cut here ]------------ [ 53.430795][ T83] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 53.436837][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 53.446271][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 53.452832][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc1+ #0 [ 53.460172][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.470208][ T83] Workqueue: usb_hub_wq hub_event [ 53.475203][ T83] Call Trace: [ 53.478472][ T83] dump_stack+0xca/0x13e [ 53.482715][ T83] ? usb_submit_urb+0x1180/0x13b0 [ 53.487713][ T83] panic+0x2a3/0x6da [ 53.491583][ T83] ? add_taint.cold+0x16/0x16 [ 53.496238][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 53.501499][ T83] ? __warn.cold+0x14/0x3a [ 53.505908][ T83] ? __warn+0xd5/0x1d0 [ 53.509951][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 53.514958][ T83] __warn.cold+0x2f/0x3a [ 53.519178][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 53.524176][ T83] report_bug+0x27b/0x2f0 [ 53.528481][ T83] do_error_trap+0x12b/0x1e0 [ 53.533044][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 53.538045][ T83] do_invalid_op+0x32/0x40 [ 53.542436][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 53.547435][ T83] invalid_op+0x23/0x30 [ 53.551566][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 53.557174][ T83] 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 [ 53.576855][ T83] RSP: 0018:ffff8881d8a3ef80 EFLAGS: 00010286 [ 53.582895][ T83] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.590852][ T83] RDX: 0000000000000000 RSI: ffffffff8128bf9d RDI: ffffed103b147de2 [ 53.598860][ T83] RBP: ffff8881d59a7900 R08: ffff8881d9776000 R09: fffffbfff11b25ae [ 53.606815][ T83] R10: fffffbfff11b25ad R11: ffffffff88d92d6f R12: 0000000000000003 [ 53.614765][ T83] R13: ffff8881cde69708 R14: ffff8881d9040920 R15: ffff8881d599fe00 [ 53.622731][ T83] ? vprintk_func+0x7d/0x113 [ 53.627304][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 53.632565][ T83] dlfb_submit_urb+0x89/0x160 [ 53.637242][ T83] dlfb_set_video_mode+0x2249/0x29b0 [ 53.642556][ T83] dlfb_ops_set_par+0x2a3/0x810 [ 53.647382][ T83] ? dlfb_handle_damage+0x660/0x660 [ 53.652564][ T83] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 53.657915][ T83] ? kfree+0xe4/0x2f0 [ 53.661883][ T83] dlfb_usb_probe.cold+0xed7/0x1bba [ 53.667071][ T83] ? edid_store+0x180/0x180 [ 53.671550][ T83] ? __pm_runtime_resume+0x111/0x180 [ 53.676811][ T83] usb_probe_interface+0x305/0x7a0 [ 53.681917][ T83] ? usb_probe_device+0x100/0x100 [ 53.686921][ T83] really_probe+0x281/0x6d0 [ 53.691398][ T83] driver_probe_device+0x104/0x210 [ 53.696482][ T83] __device_attach_driver+0x1c2/0x220 [ 53.701826][ T83] ? driver_allows_async_probing+0x160/0x160 [ 53.707779][ T83] bus_for_each_drv+0x162/0x1e0 [ 53.712606][ T83] ? bus_rescan_devices+0x20/0x20 [ 53.717607][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.723396][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 53.728659][ T83] __device_attach+0x217/0x360 [ 53.733396][ T83] ? device_bind_driver+0xd0/0xd0 [ 53.738410][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 53.743667][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 53.748923][ T83] bus_probe_device+0x1e4/0x290 [ 53.753763][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.759629][ T83] device_add+0xae6/0x16f0 [ 53.764019][ T83] ? uevent_store+0x50/0x50 [ 53.768496][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.774301][ T83] usb_set_configuration+0xdf6/0x1670 [ 53.779732][ T83] generic_probe+0x9d/0xd5 [ 53.784140][ T83] usb_probe_device+0x99/0x100 [ 53.788879][ T83] ? usb_suspend+0x620/0x620 [ 53.793444][ T83] really_probe+0x281/0x6d0 [ 53.797921][ T83] driver_probe_device+0x104/0x210 [ 53.803012][ T83] __device_attach_driver+0x1c2/0x220 [ 53.808361][ T83] ? driver_allows_async_probing+0x160/0x160 [ 53.814330][ T83] bus_for_each_drv+0x162/0x1e0 [ 53.819153][ T83] ? bus_rescan_devices+0x20/0x20 [ 53.824151][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.829934][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 53.835193][ T83] __device_attach+0x217/0x360 [ 53.839945][ T83] ? device_bind_driver+0xd0/0xd0 [ 53.844952][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 53.850210][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 53.855468][ T83] bus_probe_device+0x1e4/0x290 [ 53.860294][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.866160][ T83] device_add+0xae6/0x16f0 [ 53.870551][ T83] ? uevent_store+0x50/0x50 [ 53.875040][ T83] usb_new_device.cold+0x6a4/0xe79 [ 53.880141][ T83] hub_event+0x1b5c/0x3640 [ 53.884535][ T83] ? hub_port_debounce+0x260/0x260 [ 53.889620][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.895156][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 53.900418][ T83] process_one_work+0x92b/0x1530 [ 53.905332][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.910692][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 53.915701][ T83] worker_thread+0x96/0xe20 [ 53.920179][ T83] ? process_one_work+0x1530/0x1530 [ 53.925349][ T83] kthread+0x318/0x420 [ 53.929403][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 53.934770][ T83] ret_from_fork+0x24/0x30 [ 53.939756][ T83] Kernel Offset: disabled [ 53.944104][ T83] Rebooting in 86400 seconds..