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 '10.128.10.28' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.325187][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 42.565139][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 42.685306][ T83] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 7 [ 42.694431][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has wMaxPacketSize 0, skipping [ 42.704472][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has an invalid bInterval 0, changing to 7 [ 42.715401][ T83] usb 1-1: New USB device found, idVendor=187f, idProduct=0201, bcdDevice=54.53 [ 42.724400][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.734084][ T83] usb 1-1: config 0 descriptor?? [ 42.777187][ T83] smsusb:smsusb_probe: board id=3, interface number 0 [ 42.816303][ T83] smsusb:siano_media_device_register: media controller created [ 42.825777][ T83] ------------[ cut here ]------------ [ 42.831239][ T83] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 42.837367][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:477 usb_submit_urb+0x1188/0x13b0 [ 42.846821][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 42.853491][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.4.0-rc6+ #0 [ 42.860832][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.870869][ T83] Workqueue: usb_hub_wq hub_event [ 42.875867][ T83] Call Trace: [ 42.879134][ T83] dump_stack+0xca/0x13e [ 42.883369][ T83] ? usb_submit_urb+0x10c0/0x13b0 [ 42.888374][ T83] panic+0x2aa/0x6e1 [ 42.892246][ T83] ? add_taint.cold+0x16/0x16 [ 42.896907][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 42.902180][ T83] ? __warn.cold+0x14/0x33 [ 42.906570][ T83] ? __warn+0xd5/0x1d0 [ 42.910634][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 42.915707][ T83] __warn.cold+0x2f/0x33 [ 42.919969][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 42.924975][ T83] report_bug+0x27b/0x2f0 [ 42.929314][ T83] do_error_trap+0x12b/0x1e0 [ 42.933888][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 42.939004][ T83] do_invalid_op+0x32/0x40 [ 42.943512][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 42.948522][ T83] invalid_op+0x23/0x30 [ 42.952746][ T83] RIP: 0010:usb_submit_urb+0x1188/0x13b0 [ 42.958371][ T83] Code: 4d 85 ed 74 2c e8 b8 21 ef fd 4c 89 f7 e8 40 34 1f ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 40 77 14 86 e8 cd bc c4 fd <0f> 0b e9 20 f4 ff ff e8 8c 21 ef fd 4c 89 f2 48 b8 00 00 00 00 00 [ 42.977961][ T83] RSP: 0018:ffff8881d89f6fc8 EFLAGS: 00010282 [ 42.984004][ T83] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.991952][ T83] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b13edeb [ 42.999900][ T83] RBP: ffff8881d48ec950 R08: ffff8881d89e1800 R09: fffffbfff11ab3ae [ 43.007849][ T83] R10: fffffbfff11ab3ad R11: ffffffff88d59d6f R12: 0000000000000003 [ 43.015799][ T83] R13: ffff8881d21754e0 R14: ffff8881cfbed0a0 R15: ffff8881cf644030 [ 43.024280][ T83] ? vprintk_func+0x7d/0x113 [ 43.028863][ T83] ? usb_submit_urb+0x1188/0x13b0 [ 43.033861][ T83] smsusb_submit_urb+0x26d/0x390 [ 43.038772][ T83] smsusb_start_streaming+0x1f/0x87 [ 43.043944][ T83] smsusb_init_device+0x8aa/0x9d5 [ 43.048945][ T83] ? smsusb1_detectmode.cold+0x24/0x24 [ 43.054391][ T83] ? smsusb_disconnect+0x20/0x20 [ 43.059306][ T83] ? usb_hcd_reset_endpoint+0x196/0x250 [ 43.064933][ T83] smsusb_probe+0x986/0xa24 [ 43.069409][ T83] ? smsusb_init_device+0x9d5/0x9d5 [ 43.074581][ T83] ? __pm_runtime_set_status+0x5d5/0xa10 [ 43.080186][ T83] ? rpm_callback+0x230/0x230 [ 43.084847][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 43.090106][ T83] ? __pm_runtime_resume+0x111/0x180 [ 43.095378][ T83] usb_probe_interface+0x305/0x7a0 [ 43.100466][ T83] ? usb_probe_device+0x100/0x100 [ 43.105486][ T83] really_probe+0x281/0x6d0 [ 43.109976][ T83] driver_probe_device+0x104/0x210 [ 43.115074][ T83] __device_attach_driver+0x1c2/0x220 [ 43.120436][ T83] ? driver_allows_async_probing+0x160/0x160 [ 43.126391][ T83] bus_for_each_drv+0x162/0x1e0 [ 43.131223][ T83] ? bus_rescan_devices+0x20/0x20 [ 43.136226][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.142007][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 43.147266][ T83] __device_attach+0x217/0x360 [ 43.152014][ T83] ? device_bind_driver+0xd0/0xd0 [ 43.157012][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 43.162270][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 43.167547][ T83] bus_probe_device+0x1e4/0x290 [ 43.172377][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.178244][ T83] device_add+0xae6/0x16f0 [ 43.182701][ T83] ? uevent_store+0x50/0x50 [ 43.187197][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.193857][ T83] usb_set_configuration+0xdf6/0x1670 [ 43.199206][ T83] generic_probe+0x9d/0xd5 [ 43.203615][ T83] usb_probe_device+0x99/0x100 [ 43.208367][ T83] ? usb_suspend+0x620/0x620 [ 43.212932][ T83] really_probe+0x281/0x6d0 [ 43.217412][ T83] driver_probe_device+0x104/0x210 [ 43.222499][ T83] __device_attach_driver+0x1c2/0x220 [ 43.230889][ T83] ? driver_allows_async_probing+0x160/0x160 [ 43.236896][ T83] bus_for_each_drv+0x162/0x1e0 [ 43.241918][ T83] ? bus_rescan_devices+0x20/0x20 [ 43.246929][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 43.252880][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 43.258156][ T83] __device_attach+0x217/0x360 [ 43.262904][ T83] ? device_bind_driver+0xd0/0xd0 [ 43.267960][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 43.273374][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 43.278643][ T83] bus_probe_device+0x1e4/0x290 [ 43.283476][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 43.289341][ T83] device_add+0xae6/0x16f0 [ 43.293731][ T83] ? uevent_store+0x50/0x50 [ 43.298208][ T83] usb_new_device.cold+0x6a4/0xe79 [ 43.303302][ T83] hub_event+0x1df8/0x3800 [ 43.307702][ T83] ? hub_port_debounce+0x260/0x260 [ 43.312875][ T83] ? find_held_lock+0x2d/0x110 [ 43.317614][ T83] ? mark_held_locks+0xe0/0xe0 [ 43.322354][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 43.327873][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 43.333135][ T83] process_one_work+0x92b/0x1530 [ 43.338590][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.343937][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 43.348947][ T83] worker_thread+0x96/0xe20 [ 43.353427][ T83] ? process_one_work+0x1530/0x1530 [ 43.358600][ T83] kthread+0x318/0x420 [ 43.362653][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 43.368010][ T83] ret_from_fork+0x24/0x30 [ 43.373800][ T83] Kernel Offset: disabled [ 43.378145][ T83] Rebooting in 86400 seconds..