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 '10.128.1.33' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.156530][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 30.246735][ T94] usb 1-1: Using ep0 maxpacket: 8 [ 30.367081][ T94] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 9 [ 30.376037][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 30.386040][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has an invalid bInterval 184, changing to 11 [ 30.397366][ T94] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has invalid maxpacket 1779, setting to 1024 [ 30.408619][ T94] usb 1-1: New USB device found, idVendor=187f, idProduct=0200, bcdDevice=1f.31 [ 30.417704][ T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 30.427087][ T94] usb 1-1: config 0 descriptor?? [ 30.446718][ T1797] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 30.468608][ T94] smsusb:smsusb_probe: board id=2, interface number 0 [ 30.507631][ T94] smsusb:siano_media_device_register: media controller created [ 30.516160][ T94] ------------[ cut here ]------------ [ 30.521943][ T94] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 30.528288][ T94] WARNING: CPU: 1 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 30.537737][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 30.544414][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.5.0-rc7-syzkaller #0 [ 30.552550][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.562655][ T94] Workqueue: usb_hub_wq hub_event [ 30.567763][ T94] Call Trace: [ 30.571241][ T94] dump_stack+0xef/0x16e [ 30.576056][ T94] ? usb_submit_urb+0x1100/0x1460 [ 30.581073][ T94] panic+0x2aa/0x6e1 [ 30.585106][ T94] ? add_taint.cold+0x16/0x16 [ 30.589775][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 30.595045][ T94] ? __warn.cold+0x14/0x30 [ 30.599458][ T94] ? __warn+0xd5/0x1c8 [ 30.603645][ T94] ? usb_submit_urb+0x1188/0x1460 [ 30.608670][ T94] __warn.cold+0x2f/0x30 [ 30.613175][ T94] ? usb_submit_urb+0x1188/0x1460 [ 30.618190][ T94] report_bug+0x27b/0x2f0 [ 30.622806][ T94] do_error_trap+0x12b/0x1e0 [ 30.627402][ T94] ? usb_submit_urb+0x1188/0x1460 [ 30.632482][ T94] do_invalid_op+0x32/0x40 [ 30.636965][ T94] ? usb_submit_urb+0x1188/0x1460 [ 30.641988][ T94] invalid_op+0x23/0x30 [ 30.646440][ T94] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 30.652084][ T94] Code: 4d 85 ed 74 46 e8 28 2d e1 fd 4c 89 f7 e8 d0 87 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 a0 2b 3b 86 e8 20 13 b6 fd <0f> 0b e9 20 f4 ff ff e8 fc 2c e1 fd 0f 1f 44 00 00 e8 f2 2c e1 fd [ 30.671737][ T94] RSP: 0018:ffff8881d5d4ef98 EFLAGS: 00010286 [ 30.677797][ T94] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 30.685896][ T94] RDX: 0000000000000000 RSI: ffffffff81295a0d RDI: ffffed103aba9de5 [ 30.693862][ T94] RBP: ffff8881d474cf50 R08: ffff8881d6ad1880 R09: ffffed103b666210 [ 30.701935][ T94] R10: ffffed103b66620f R11: ffff8881db33107f R12: 0000000000000003 [ 30.710033][ T94] R13: ffff8881ca755588 R14: ffff8881cdb510a0 R15: ffff8881cd498030 [ 30.718126][ T94] ? vprintk_func+0x7d/0x113 [ 30.723144][ T94] ? usb_submit_urb+0x1188/0x1460 [ 30.728266][ T94] smsusb_submit_urb+0x26d/0x390 [ 30.733199][ T94] smsusb_start_streaming+0x1f/0x87 [ 30.738432][ T94] smsusb_init_device+0x97f/0xae6 [ 30.743468][ T94] ? smsusb1_setmode.cold+0x2d/0x2d [ 30.748671][ T94] ? smsusb_disconnect+0x20/0x20 [ 30.753775][ T94] ? usb_clear_halt+0xa4/0x1c0 [ 30.758577][ T94] smsusb_probe+0xd5f/0xdfd [ 30.763080][ T94] ? smsusb_init_device+0xae6/0xae6 [ 30.768331][ T94] ? __pm_runtime_set_status+0x5d5/0xa10 [ 30.773965][ T94] ? rpm_callback+0x230/0x230 [ 30.778738][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 30.784069][ T94] ? __pm_runtime_resume+0x111/0x180 [ 30.789347][ T94] usb_probe_interface+0x310/0x800 [ 30.794465][ T94] ? usb_probe_device+0x140/0x140 [ 30.799493][ T94] really_probe+0x290/0xad0 [ 30.803998][ T94] driver_probe_device+0x223/0x350 [ 30.809133][ T94] __device_attach_driver+0x1d1/0x290 [ 30.814592][ T94] ? driver_allows_async_probing+0x160/0x160 [ 30.820567][ T94] bus_for_each_drv+0x162/0x1e0 [ 30.825703][ T94] ? bus_rescan_devices+0x20/0x20 [ 30.830833][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.836656][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 30.841939][ T94] __device_attach+0x217/0x390 [ 30.846690][ T94] ? device_bind_driver+0xd0/0xd0 [ 30.851707][ T94] bus_probe_device+0x1e4/0x290 [ 30.856751][ T94] device_add+0x1459/0x1bf0 [ 30.861253][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 30.866529][ T94] ? device_link_remove+0x110/0x110 [ 30.871709][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.877524][ T94] usb_set_configuration+0xe47/0x17d0 [ 30.882893][ T94] generic_probe+0x9d/0xd5 [ 30.887447][ T94] usb_probe_device+0xaf/0x140 [ 30.892491][ T94] ? usb_suspend+0x5f0/0x5f0 [ 30.897069][ T94] really_probe+0x290/0xad0 [ 30.901713][ T94] driver_probe_device+0x223/0x350 [ 30.906982][ T94] __device_attach_driver+0x1d1/0x290 [ 30.912339][ T94] ? driver_allows_async_probing+0x160/0x160 [ 30.918309][ T94] bus_for_each_drv+0x162/0x1e0 [ 30.923147][ T94] ? bus_rescan_devices+0x20/0x20 [ 30.928391][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 30.934435][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 30.939715][ T94] __device_attach+0x217/0x390 [ 30.944464][ T94] ? device_bind_driver+0xd0/0xd0 [ 30.949591][ T94] bus_probe_device+0x1e4/0x290 [ 30.954438][ T94] device_add+0x1459/0x1bf0 [ 30.958938][ T94] ? device_link_remove+0x110/0x110 [ 30.964134][ T94] usb_new_device.cold+0x540/0xcd0 [ 30.969238][ T94] hub_event+0x21cb/0x4300 [ 30.973659][ T94] ? hub_port_debounce+0x350/0x350 [ 30.978851][ T94] ? find_held_lock+0x2d/0x110 [ 30.983606][ T94] ? mark_held_locks+0xe0/0xe0 [ 30.988363][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 30.994061][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 30.999515][ T94] process_one_work+0x945/0x15c0 [ 31.004475][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 31.009849][ T94] ? do_raw_spin_lock+0x129/0x290 [ 31.015095][ T94] worker_thread+0x96/0xe20 [ 31.019628][ T94] ? process_one_work+0x15c0/0x15c0 [ 31.024842][ T94] kthread+0x318/0x420 [ 31.028899][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 31.034262][ T94] ret_from_fork+0x24/0x30 [ 31.039612][ T94] Kernel Offset: disabled [ 31.043986][ T94] Rebooting in 86400 seconds..