INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.236' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 81.367926][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 81.607892][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 81.727917][ T12] usb 1-1: config 0 has an invalid interface number: 14 but max is 0 [ 81.736069][ T12] usb 1-1: config 0 has no interface number 0 [ 81.742329][ T12] usb 1-1: config 0 interface 14 altsetting 0 endpoint 0x2 has invalid maxpacket 270, setting to 64 [ 81.753137][ T12] usb 1-1: New USB device found, idVendor=17e9, idProduct=780d, bcdDevice=62.2a [ 81.762174][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 81.771363][ T12] usb 1-1: config 0 descriptor?? executing program [ 82.067951][ T12] udlfb 1-1:0.14: vendor descriptor not available (-71) [ 82.087907][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 82.107915][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 82.127877][ T12] usb 1-1: Read EDID byte 0 failed: -71 [ 82.133429][ T12] usb 1-1: Unable to get valid EDID from device/display [ 82.159226][ T12] ------------[ cut here ]------------ [ 82.164699][ T12] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 82.170761][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 82.180199][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 82.186798][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0+ #0 [ 82.193834][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.203876][ T12] Workqueue: usb_hub_wq hub_event [ 82.208873][ T12] Call Trace: [ 82.212141][ T12] dump_stack+0xca/0x13e [ 82.216357][ T12] ? usb_submit_urb+0x10f0/0x13b0 [ 82.221357][ T12] panic+0x2a3/0x6da [ 82.225227][ T12] ? add_taint.cold+0x16/0x16 [ 82.229878][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 82.235174][ T12] ? __warn.cold+0x5/0x4a [ 82.239475][ T12] ? __warn+0xe3/0x1e0 [ 82.243521][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 82.248652][ T12] __warn.cold+0x20/0x4a [ 82.252903][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 82.257941][ T12] report_bug+0x262/0x2a0 [ 82.262248][ T12] do_error_trap+0x12b/0x1e0 [ 82.266818][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 82.271826][ T12] do_invalid_op+0x32/0x40 [ 82.276218][ T12] ? usb_submit_urb+0x1188/0x13b0 [ 82.281217][ T12] invalid_op+0x23/0x30 [ 82.285349][ T12] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 82.291001][ T12] Code: 4d 85 ed 74 2c e8 28 64 ec fd 4c 89 f7 e8 70 4d 1c ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 fb 18 86 e8 bd ed c1 fd <0f> 0b e9 20 f4 ff ff e8 fc 63 ec fd 4c 89 f2 48 b8 00 00 00 00 00 [ 82.310588][ T12] RSP: 0018:ffff8881da20ef80 EFLAGS: 00010286 [ 82.316667][ T12] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 82.324659][ T12] RDX: 0000000000000000 RSI: ffffffff8128d3fd RDI: ffffed103b441de2 [ 82.332609][ T12] RBP: ffff8881d6ae9e00 R08: ffff8881da1f9800 R09: fffffbfff11f45ae [ 82.340592][ T12] R10: fffffbfff11f45ad R11: ffffffff88fa2d6f R12: 0000000000000003 [ 82.348540][ T12] R13: ffff8881d1742f60 R14: ffff8881c7275e20 R15: ffff8881d6ae9900 [ 82.356497][ T12] ? vprintk_func+0x7d/0x113 [ 82.361067][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 82.366325][ T12] dlfb_submit_urb+0x89/0x160 [ 82.370991][ T12] dlfb_set_video_mode+0x2249/0x29b0 [ 82.376252][ T12] dlfb_ops_set_par+0x2a3/0x810 [ 82.381077][ T12] ? dlfb_handle_damage+0x660/0x660 [ 82.386251][ T12] ? dlfb_usb_probe.cold+0xeaf/0x1bba [ 82.391598][ T12] ? kfree+0xe4/0x2f0 [ 82.395557][ T12] dlfb_usb_probe.cold+0xed7/0x1bba [ 82.400856][ T12] ? edid_store+0x180/0x180 [ 82.405363][ T12] ? __pm_runtime_resume+0x111/0x180 [ 82.410633][ T12] usb_probe_interface+0x305/0x7a0 [ 82.415743][ T12] ? usb_probe_device+0x100/0x100 [ 82.420753][ T12] really_probe+0x281/0x6d0 [ 82.425230][ T12] driver_probe_device+0x104/0x210 [ 82.430316][ T12] __device_attach_driver+0x1c2/0x220 [ 82.435661][ T12] ? driver_allows_async_probing+0x160/0x160 [ 82.441633][ T12] bus_for_each_drv+0x162/0x1e0 [ 82.446472][ T12] ? bus_rescan_devices+0x20/0x20 [ 82.451483][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 82.457261][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 82.462537][ T12] __device_attach+0x217/0x360 [ 82.467290][ T12] ? device_bind_driver+0xd0/0xd0 [ 82.472360][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 82.477624][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 82.482887][ T12] bus_probe_device+0x1e4/0x290 [ 82.487718][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 82.493584][ T12] device_add+0xae6/0x16f0 [ 82.497974][ T12] ? uevent_store+0x50/0x50 [ 82.502503][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 82.508374][ T12] usb_set_configuration+0xdf6/0x1670 [ 82.513722][ T12] generic_probe+0x9d/0xd5 [ 82.518112][ T12] usb_probe_device+0x99/0x100 [ 82.522850][ T12] ? usb_suspend+0x620/0x620 [ 82.527426][ T12] really_probe+0x281/0x6d0 [ 82.531905][ T12] driver_probe_device+0x104/0x210 [ 82.537014][ T12] __device_attach_driver+0x1c2/0x220 [ 82.542378][ T12] ? driver_allows_async_probing+0x160/0x160 [ 82.548340][ T12] bus_for_each_drv+0x162/0x1e0 [ 82.553170][ T12] ? bus_rescan_devices+0x20/0x20 [ 82.558175][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 82.563996][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 82.569260][ T12] __device_attach+0x217/0x360 [ 82.574000][ T12] ? device_bind_driver+0xd0/0xd0 [ 82.578999][ T12] ? kobject_uevent_env+0x29e/0x1150 [ 82.584265][ T12] ? kobject_uevent_env+0x2a8/0x1150 [ 82.589531][ T12] bus_probe_device+0x1e4/0x290 [ 82.594355][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 82.600219][ T12] device_add+0xae6/0x16f0 [ 82.604612][ T12] ? uevent_store+0x50/0x50 [ 82.609090][ T12] usb_new_device.cold+0x6a4/0xe79 [ 82.614208][ T12] hub_event+0x1b5c/0x3640 [ 82.618604][ T12] ? hub_port_debounce+0x260/0x260 [ 82.623702][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.629221][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 82.634482][ T12] process_one_work+0x92b/0x1530 [ 82.639393][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 82.644749][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 82.649750][ T12] worker_thread+0x96/0xe20 [ 82.654233][ T12] ? process_one_work+0x1530/0x1530 [ 82.659415][ T12] kthread+0x318/0x420 [ 82.663459][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 82.668804][ T12] ret_from_fork+0x24/0x30 [ 82.673835][ T12] Kernel Offset: disabled [ 82.678177][ T12] Rebooting in 86400 seconds..