INIT: Entering runlevel: 2 [[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.222' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.706038][ T95] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 35.796288][ T95] usb 1-1: Using ep0 maxpacket: 8 [ 35.926124][ T95] usb 1-1: config 0 has an invalid interface number: 164 but max is 0 [ 35.934543][ T95] usb 1-1: config 0 has no interface number 0 [ 35.941734][ T95] usb 1-1: config 0 interface 164 altsetting 129 bulk endpoint 0x5 has invalid maxpacket 16 [ 35.951871][ T95] usb 1-1: config 0 interface 164 has no altsetting 0 [ 35.958697][ T95] usb 1-1: New USB device found, idVendor=077d, idProduct=627a, bcdDevice= 0.01 [ 35.967755][ T95] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.977614][ T95] usb 1-1: config 0 descriptor?? [ 35.996233][ T1793] raw-gadget gadget: fail, usb_ep_enable returned -22 executing program [ 36.256229][ T95] usb 1-1: string descriptor 0 read error: -71 [ 36.267062][ T95] ------------[ cut here ]------------ [ 36.272748][ T95] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 36.278926][ T95] WARNING: CPU: 0 PID: 95 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 36.288498][ T95] Kernel panic - not syncing: panic_on_warn set ... [ 36.295082][ T95] CPU: 0 PID: 95 Comm: kworker/0:2 Not tainted 5.5.0-rc7-syzkaller #0 [ 36.303241][ T95] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.313291][ T95] Workqueue: usb_hub_wq hub_event [ 36.318415][ T95] Call Trace: [ 36.321819][ T95] dump_stack+0xef/0x16e [ 36.326058][ T95] ? usb_submit_urb+0x1100/0x1460 [ 36.331076][ T95] panic+0x2aa/0x6e1 [ 36.334993][ T95] ? add_taint.cold+0x16/0x16 [ 36.339713][ T95] ? __probe_kernel_read+0x188/0x1d0 [ 36.345012][ T95] ? __warn.cold+0x14/0x30 [ 36.349423][ T95] ? __warn+0xd5/0x1c8 [ 36.353747][ T95] ? usb_submit_urb+0x1188/0x1460 [ 36.358767][ T95] __warn.cold+0x2f/0x30 [ 36.363083][ T95] ? usb_submit_urb+0x1188/0x1460 [ 36.368100][ T95] report_bug+0x27b/0x2f0 [ 36.372417][ T95] do_error_trap+0x12b/0x1e0 [ 36.377121][ T95] ? usb_submit_urb+0x1188/0x1460 [ 36.382156][ T95] do_invalid_op+0x32/0x40 [ 36.386691][ T95] ? usb_submit_urb+0x1188/0x1460 [ 36.391705][ T95] invalid_op+0x23/0x30 [ 36.395983][ T95] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 36.401707][ T95] 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 [ 36.421361][ T95] RSP: 0018:ffff8881d58d6f70 EFLAGS: 00010286 [ 36.427793][ T95] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 36.435860][ T95] RDX: 0000000000000000 RSI: ffffffff81295a0d RDI: ffffed103ab1ade0 [ 36.443826][ T95] RBP: ffff8881d0384180 R08: ffff8881d6c5b100 R09: fffffbfff1269cae [ 36.451985][ T95] R10: fffffbfff1269cad R11: ffffffff8934e56f R12: 0000000000000001 [ 36.460333][ T95] R13: ffff8881d0004ea0 R14: ffff8881cd9980a0 R15: ffff8881d5a67e00 [ 36.468305][ T95] ? vprintk_func+0x7d/0x113 [ 36.472953][ T95] usb_start_wait_urb+0x108/0x4c0 [ 36.478039][ T95] ? sg_clean+0x230/0x230 [ 36.482356][ T95] ? kasan_unpoison_shadow+0x30/0x40 [ 36.487936][ T95] ? memset+0x20/0x40 [ 36.492047][ T95] usb_bulk_msg+0x228/0x550 [ 36.496553][ T95] shark_write_val+0x20b/0x310 [ 36.501309][ T95] ? led_classdev_register_ext+0x507/0x700 [ 36.507103][ T95] ? shark_read_val+0x470/0x470 [ 36.511936][ T95] ? devm_led_classdev_unregister+0x50/0x50 [ 36.518033][ T95] ? shark_read_val+0x470/0x470 [ 36.523071][ T95] snd_tea575x_write+0x78/0x330 [ 36.527990][ T95] snd_tea575x_hw_init+0x8d/0x170 [ 36.533006][ T95] snd_tea575x_init+0x1f/0x8ad [ 36.537849][ T95] usb_shark_probe+0x5e1/0x770 [ 36.542602][ T95] usb_probe_interface+0x310/0x800 [ 36.547776][ T95] ? usb_probe_device+0x140/0x140 [ 36.552791][ T95] really_probe+0x290/0xad0 [ 36.557296][ T95] driver_probe_device+0x223/0x350 [ 36.562397][ T95] __device_attach_driver+0x1d1/0x290 [ 36.568628][ T95] ? driver_allows_async_probing+0x160/0x160 [ 36.574712][ T95] bus_for_each_drv+0x162/0x1e0 [ 36.579736][ T95] ? bus_rescan_devices+0x20/0x20 [ 36.584944][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.590731][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 36.596118][ T95] __device_attach+0x217/0x390 [ 36.600873][ T95] ? device_bind_driver+0xd0/0xd0 [ 36.605956][ T95] bus_probe_device+0x1e4/0x290 [ 36.610817][ T95] device_add+0x1459/0x1bf0 [ 36.615415][ T95] ? wait_for_completion+0x3c0/0x3c0 [ 36.620768][ T95] ? device_link_remove+0x110/0x110 [ 36.626243][ T95] usb_set_configuration+0xe47/0x17d0 [ 36.631989][ T95] generic_probe+0x9d/0xd5 [ 36.636598][ T95] usb_probe_device+0xaf/0x140 [ 36.641369][ T95] ? usb_suspend+0x5f0/0x5f0 [ 36.645948][ T95] really_probe+0x290/0xad0 [ 36.650458][ T95] driver_probe_device+0x223/0x350 [ 36.655559][ T95] __device_attach_driver+0x1d1/0x290 [ 36.661118][ T95] ? driver_allows_async_probing+0x160/0x160 [ 36.667096][ T95] bus_for_each_drv+0x162/0x1e0 [ 36.672014][ T95] ? bus_rescan_devices+0x20/0x20 [ 36.677132][ T95] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 36.682928][ T95] ? lockdep_hardirqs_on+0x382/0x580 [ 36.688198][ T95] __device_attach+0x217/0x390 [ 36.693180][ T95] ? device_bind_driver+0xd0/0xd0 [ 36.698259][ T95] bus_probe_device+0x1e4/0x290 [ 36.703210][ T95] device_add+0x1459/0x1bf0 [ 36.707765][ T95] ? device_link_remove+0x110/0x110 [ 36.713173][ T95] usb_new_device.cold+0x540/0xcd0 [ 36.718274][ T95] hub_event+0x21cb/0x4300 [ 36.722682][ T95] ? hub_port_debounce+0x350/0x350 [ 36.728006][ T95] ? find_held_lock+0x2d/0x110 [ 36.732783][ T95] ? mark_held_locks+0xe0/0xe0 [ 36.737648][ T95] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 36.743188][ T95] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 36.748545][ T95] process_one_work+0x945/0x15c0 [ 36.753474][ T95] ? pwq_dec_nr_in_flight+0x310/0x310 [ 36.758840][ T95] ? do_raw_spin_lock+0x129/0x290 [ 36.763983][ T95] worker_thread+0x96/0xe20 [ 36.768631][ T95] ? process_one_work+0x15c0/0x15c0 [ 36.773947][ T95] kthread+0x318/0x420 [ 36.778001][ T95] ? kthread_create_on_node+0xf0/0xf0 [ 36.783492][ T95] ret_from_fork+0x24/0x30 [ 36.788841][ T95] Kernel Offset: disabled [ 36.793204][ T95] Rebooting in 86400 seconds..