[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.915303][ 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 '10.128.0.189' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 38.295244][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 38.535213][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 38.655265][ T22] usb 1-1: config 0 has an invalid interface number: 104 but max is 0 [ 38.663521][ T22] usb 1-1: config 0 has no interface number 0 [ 38.669848][ T22] usb 1-1: config 0 interface 104 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 38.680668][ T22] usb 1-1: config 0 interface 104 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 1 [ 38.690625][ T22] usb 1-1: New USB device found, idVendor=10cf, idProduct=5502, bcdDevice=32.ff [ 38.700756][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.710247][ T22] usb 1-1: config 0 descriptor?? [ 38.759091][ T22] ------------[ cut here ]------------ [ 38.764645][ T22] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 38.770740][ T22] WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 38.780199][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 38.786898][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #13 [ 38.794455][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.804570][ T22] Workqueue: usb_hub_wq hub_event [ 38.809572][ T22] Call Trace: [ 38.812928][ T22] dump_stack+0xca/0x13e [ 38.817160][ T22] ? usb_submit_urb+0x1130/0x13b0 [ 38.822382][ T22] panic+0x292/0x6c9 [ 38.826264][ T22] ? __warn_printk+0xf3/0xf3 [ 38.830982][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 38.835990][ T22] ? __probe_kernel_read+0x16c/0x1b0 [ 38.841388][ T22] ? __warn.cold+0x5/0x4b [ 38.845844][ T22] ? __warn+0xe4/0x1c0 [ 38.849905][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 38.855293][ T22] __warn.cold+0x20/0x4b [ 38.859572][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 38.864730][ T22] report_bug+0x262/0x2a0 [ 38.869283][ T22] do_error_trap+0x12b/0x1e0 [ 38.875135][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 38.880846][ T22] do_invalid_op+0x32/0x40 [ 38.885263][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 38.890283][ T22] invalid_op+0x14/0x20 [ 38.894523][ T22] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 38.900433][ T22] Code: 4d 85 ed 74 2c e8 78 db e8 fd 4c 89 f7 e8 a0 36 13 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 23 1a 86 e8 03 a0 be fd <0f> 0b e9 20 f4 ff ff e8 4c db e8 fd 4c 89 f2 48 b8 00 00 00 00 00 [ 38.920279][ T22] RSP: 0018:ffff8881d9f8eff8 EFLAGS: 00010286 [ 38.926762][ T22] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 38.934711][ T22] RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3f1df1 [ 38.942724][ T22] RBP: ffff8881d9ae5a50 R08: ffff8881d9e63000 R09: 0000000000000000 [ 38.951067][ T22] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 38.959043][ T22] R13: ffff8881d3801e88 R14: ffff8881cf0391a0 R15: ffff8881d9ae5800 [ 38.967013][ T22] ? vprintk_func+0x7d/0x113 [ 38.971584][ T22] ? usb_submit_urb+0x1188/0x13b0 [ 38.976585][ T22] usb_start_wait_urb+0x108/0x2b0 [ 38.982064][ T22] ? sg_clean+0x230/0x230 [ 38.986396][ T22] ? kasan_unpoison_shadow+0x30/0x40 [ 38.991806][ T22] ? memset+0x20/0x40 [ 38.995819][ T22] usb_bulk_msg+0x228/0x550 [ 39.000341][ T22] vmk80xx_write_packet+0x1df/0x260 [ 39.005617][ T22] vmk80xx_auto_attach+0x13b1/0x17c0 [ 39.010952][ T22] comedi_auto_config+0x16e/0x250 [ 39.015955][ T22] usb_probe_interface+0x305/0x7a0 [ 39.021237][ T22] ? usb_probe_device+0x100/0x100 [ 39.026398][ T22] really_probe+0x281/0x660 [ 39.030893][ T22] driver_probe_device+0x104/0x210 [ 39.035990][ T22] __device_attach_driver+0x1c2/0x220 [ 39.041340][ T22] ? driver_allows_async_probing+0x160/0x160 [ 39.047526][ T22] bus_for_each_drv+0x15c/0x1e0 [ 39.052531][ T22] ? bus_rescan_devices+0x20/0x20 [ 39.057538][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.063434][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 39.068788][ T22] __device_attach+0x217/0x360 [ 39.073823][ T22] ? device_bind_driver+0xd0/0xd0 [ 39.078835][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 39.084106][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 39.089441][ T22] bus_probe_device+0x1e4/0x290 [ 39.094643][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.100575][ T22] device_add+0xae6/0x16f0 [ 39.104977][ T22] ? uevent_store+0x50/0x50 [ 39.109468][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.115302][ T22] usb_set_configuration+0xdf6/0x1670 [ 39.120746][ T22] generic_probe+0x9d/0xd5 [ 39.125159][ T22] usb_probe_device+0x99/0x100 [ 39.130255][ T22] ? usb_suspend+0x620/0x620 [ 39.134850][ T22] really_probe+0x281/0x660 [ 39.139343][ T22] driver_probe_device+0x104/0x210 [ 39.144474][ T22] __device_attach_driver+0x1c2/0x220 [ 39.149835][ T22] ? driver_allows_async_probing+0x160/0x160 [ 39.155982][ T22] bus_for_each_drv+0x15c/0x1e0 [ 39.160814][ T22] ? bus_rescan_devices+0x20/0x20 [ 39.165826][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 39.171625][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 39.176896][ T22] __device_attach+0x217/0x360 [ 39.181644][ T22] ? device_bind_driver+0xd0/0xd0 [ 39.186648][ T22] ? kobject_uevent_env+0x29e/0x1150 [ 39.191971][ T22] ? kobject_uevent_env+0x2a8/0x1150 [ 39.197311][ T22] bus_probe_device+0x1e4/0x290 [ 39.202159][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 39.208034][ T22] device_add+0xae6/0x16f0 [ 39.212487][ T22] ? uevent_store+0x50/0x50 [ 39.216984][ T22] usb_new_device.cold+0x8c1/0x1016 [ 39.222178][ T22] ? usb_port_suspend+0xa40/0xa40 [ 39.227323][ T22] ? mark_held_locks+0x9f/0xe0 [ 39.232370][ T22] ? _raw_spin_unlock_irq+0x24/0x30 [ 39.237601][ T22] hub_event+0x1ada/0x3590 [ 39.242029][ T22] ? hub_port_debounce+0x260/0x260 [ 39.247137][ T22] process_one_work+0x905/0x1570 [ 39.252070][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 39.257441][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 39.262450][ T22] worker_thread+0x96/0xe20 [ 39.267042][ T22] ? process_one_work+0x1570/0x1570 [ 39.272221][ T22] kthread+0x30b/0x410 [ 39.276268][ T22] ? kthread_park+0x1a0/0x1a0 [ 39.280933][ T22] ret_from_fork+0x24/0x30 [ 39.286119][ T22] Kernel Offset: disabled [ 39.290661][ T22] Rebooting in 86400 seconds..