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. syzkaller login: [ 24.869214][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.959087][ T94] usb 1-1: Using ep0 maxpacket: 8 [ 25.118830][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 25.198869][ T94] usb 1-1: config 7 has an invalid interface number: 114 but max is 0 [ 25.207267][ T94] usb 1-1: config 7 has no interface number 0 [ 25.213692][ T94] usb 1-1: config 7 interface 114 altsetting 114 endpoint 0x8 has invalid maxpacket 1023, setting to 64 [ 25.224898][ T94] usb 1-1: config 7 interface 114 altsetting 114 bulk endpoint 0x2 has invalid maxpacket 64 [ 25.235049][ T94] usb 1-1: config 7 interface 114 altsetting 114 bulk endpoint 0x5 has invalid maxpacket 16 [ 25.245403][ T94] usb 1-1: config 7 interface 114 altsetting 114 bulk endpoint 0x1 has invalid maxpacket 1023 [ 25.255972][ T94] usb 1-1: config 7 interface 114 altsetting 114 has a duplicate endpoint with address 0x2, skipping [ 25.266937][ T94] usb 1-1: config 7 interface 114 has no altsetting 0 [ 25.518830][ T94] usb 1-1: string descriptor 0 read error: -22 [ 25.525095][ T94] usb 1-1: New USB device found, idVendor=077d, idProduct=627a, bcdDevice= 0.01 [ 25.534202][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 25.583953][ T94] ------------[ cut here ]------------ [ 25.589644][ T94] usb 1-1: BOGUS urb xfer, pipe 1 != type 3 [ 25.595790][ T94] WARNING: CPU: 1 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460 [ 25.605382][ T94] Kernel panic - not syncing: panic_on_warn set ... [ 25.612187][ T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0 [ 25.620319][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.630392][ T94] Workqueue: usb_hub_wq hub_event [ 25.635402][ T94] Call Trace: [ 25.638681][ T94] dump_stack+0xef/0x16e [ 25.642943][ T94] ? usb_submit_urb+0x1090/0x1460 [ 25.647956][ T94] panic+0x2aa/0x6e1 [ 25.651841][ T94] ? add_taint.cold+0x16/0x16 [ 25.656522][ T94] ? __probe_kernel_read+0x188/0x1d0 [ 25.661803][ T94] ? __warn.cold+0x14/0x30 [ 25.666236][ T94] ? __warn+0xd5/0x1c8 [ 25.670303][ T94] ? usb_submit_urb+0x1188/0x1460 [ 25.675389][ T94] __warn.cold+0x2f/0x30 [ 25.679772][ T94] ? usb_submit_urb+0x1188/0x1460 [ 25.684814][ T94] report_bug+0x27b/0x2f0 [ 25.689168][ T94] do_error_trap+0x12b/0x1e0 [ 25.693840][ T94] ? usb_submit_urb+0x1188/0x1460 [ 25.698861][ T94] do_invalid_op+0x32/0x40 [ 25.703283][ T94] ? usb_submit_urb+0x1188/0x1460 [ 25.708302][ T94] invalid_op+0x23/0x30 [ 25.712466][ T94] RIP: 0010:usb_submit_urb+0x1188/0x1460 [ 25.718149][ T94] Code: 4d 85 ed 74 46 e8 18 ce dd fd 4c 89 f7 e8 d0 5c 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 e0 e7 3b 86 e8 a0 5f b2 fd <0f> 0b e9 20 f4 ff ff e8 ec cd dd fd 0f 1f 44 00 00 e8 e2 cd dd fd [ 25.737856][ T94] RSP: 0018:ffff8881d5cbef50 EFLAGS: 00010286 [ 25.744106][ T94] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 25.752085][ T94] RDX: 0000000000000000 RSI: ffffffff812977dd RDI: ffffed103ab97ddc [ 25.760054][ T94] RBP: ffff8881cdde00a0 R08: ffff8881d6c8c980 R09: fffffbfff1266c8f [ 25.768072][ T94] R10: fffffbfff1266c8e R11: ffffffff89336477 R12: 0000000000000001 [ 25.776095][ T94] R13: ffff8881ce07b7f8 R14: ffff8881d04b30a0 R15: ffff8881d549ad00 [ 25.788275][ T94] ? vprintk_func+0x7d/0x113 [ 25.792881][ T94] usb_start_wait_urb+0x108/0x4c0 [ 25.797930][ T94] ? sg_clean+0x230/0x230 [ 25.802247][ T94] ? kasan_unpoison_shadow+0x30/0x40 [ 25.807555][ T94] ? memset+0x20/0x40 [ 25.811622][ T94] usb_bulk_msg+0x228/0x550 [ 25.816171][ T94] shark_write_val+0x20b/0x310 [ 25.820970][ T94] ? led_classdev_register_ext+0x53c/0x740 [ 25.826765][ T94] ? shark_read_val+0x470/0x470 [ 25.831663][ T94] ? devm_led_classdev_unregister+0x50/0x50 [ 25.837560][ T94] ? shark_read_val+0x470/0x470 [ 25.842402][ T94] snd_tea575x_write+0x78/0x330 [ 25.847242][ T94] snd_tea575x_hw_init+0x8d/0x170 [ 25.852256][ T94] snd_tea575x_init+0x1f/0x8ad [ 25.857018][ T94] usb_shark_probe+0x5e1/0x770 [ 25.861780][ T94] usb_probe_interface+0x310/0x800 [ 25.866884][ T94] ? usb_probe_device+0x230/0x230 [ 25.871947][ T94] really_probe+0x290/0xac0 [ 25.876450][ T94] driver_probe_device+0x223/0x350 [ 25.881554][ T94] __device_attach_driver+0x1d1/0x290 [ 25.886928][ T94] ? driver_allows_async_probing+0x160/0x160 [ 25.892906][ T94] bus_for_each_drv+0x162/0x1e0 [ 25.897869][ T94] ? bus_rescan_devices+0x20/0x20 [ 25.902890][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 25.908701][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 25.913969][ T94] __device_attach+0x217/0x390 [ 25.918719][ T94] ? device_bind_driver+0xd0/0xd0 [ 25.923728][ T94] bus_probe_device+0x1e4/0x290 [ 25.928602][ T94] device_add+0x1459/0x1bf0 [ 25.933105][ T94] ? wait_for_completion+0x3c0/0x3c0 [ 25.938390][ T94] ? device_link_remove+0x110/0x110 [ 25.943587][ T94] usb_set_configuration+0xe47/0x17d0 [ 25.948955][ T94] usb_generic_driver_probe+0x9d/0xe0 [ 25.954342][ T94] usb_probe_device+0xd9/0x230 [ 25.959127][ T94] ? usb_suspend+0x5f0/0x5f0 [ 25.963842][ T94] really_probe+0x290/0xac0 [ 25.968397][ T94] driver_probe_device+0x223/0x350 [ 25.973526][ T94] __device_attach_driver+0x1d1/0x290 [ 25.978888][ T94] ? driver_allows_async_probing+0x160/0x160 [ 25.984868][ T94] bus_for_each_drv+0x162/0x1e0 [ 25.989723][ T94] ? bus_rescan_devices+0x20/0x20 [ 25.994744][ T94] ? _raw_spin_unlock_irqrestore+0x39/0x40 [ 26.000583][ T94] ? lockdep_hardirqs_on+0x382/0x580 [ 26.005857][ T94] __device_attach+0x217/0x390 [ 26.010615][ T94] ? device_bind_driver+0xd0/0xd0 [ 26.015624][ T94] bus_probe_device+0x1e4/0x290 [ 26.020521][ T94] device_add+0x1459/0x1bf0 [ 26.025011][ T94] ? device_link_remove+0x110/0x110 [ 26.030215][ T94] usb_new_device.cold+0x540/0xcd0 [ 26.035337][ T94] hub_event+0x21cb/0x4300 [ 26.039753][ T94] ? hub_port_debounce+0x350/0x350 [ 26.044853][ T94] ? find_held_lock+0x2d/0x110 [ 26.049611][ T94] ? mark_held_locks+0xe0/0xe0 [ 26.054363][ T94] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.059897][ T94] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.065175][ T94] process_one_work+0x94b/0x1620 [ 26.070098][ T94] ? pwq_dec_nr_in_flight+0x310/0x310 [ 26.075476][ T94] ? do_raw_spin_lock+0x129/0x290 [ 26.080485][ T94] worker_thread+0x96/0xe20 [ 26.084985][ T94] ? process_one_work+0x1620/0x1620 [ 26.090166][ T94] kthread+0x318/0x420 [ 26.094220][ T94] ? kthread_create_on_node+0xf0/0xf0 [ 26.099575][ T94] ret_from_fork+0x24/0x30 [ 26.104832][ T94] Kernel Offset: disabled [ 26.109243][ T94] Rebooting in 86400 seconds..