[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[   13.802375][    C1] random: crng init done
[....] 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 '10.128.0.221' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   24.428990][   T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   24.519318][   T94] usb 1-1: Using ep0 maxpacket: 32
[   24.639079][   T94] usb 1-1: config 32 has an invalid interface number: 20 but max is 0
[   24.647479][   T94] usb 1-1: config 32 has an invalid interface association descriptor of length 2, skipping
[   24.657823][   T94] usb 1-1: config 32 has an invalid interface descriptor of length 2, skipping
[   24.666887][   T94] usb 1-1: config 32 has no interface number 0
[   24.673208][   T94] usb 1-1: config 32 interface 20 altsetting 0 endpoint 0xE has invalid maxpacket 512, setting to 64
[   24.684143][   T94] usb 1-1: config 32 interface 20 altsetting 0 endpoint 0xD has invalid maxpacket 1023, setting to 64
[   24.695182][   T94] usb 1-1: config 32 interface 20 altsetting 0 has an invalid endpoint with address 0x0, skipping
[   24.705978][   T94] usb 1-1: config 32 interface 20 altsetting 0 has a duplicate endpoint with address 0x5, skipping
[   24.716780][   T94] usb 1-1: config 32 interface 20 altsetting 0 has an invalid endpoint with address 0x0, skipping
[   24.727811][   T94] usb 1-1: config 32 interface 20 altsetting 0 endpoint 0xB has invalid maxpacket 512, setting to 64
[   24.739568][   T94] usb 1-1: config 32 interface 20 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 16
[   24.749635][   T94] usb 1-1: config 32 interface 20 altsetting 0 endpoint 0x6 has invalid maxpacket 1024, setting to 64
[   24.760798][   T94] usb 1-1: config 32 interface 20 altsetting 0 has a duplicate endpoint with address 0xE, skipping
[   24.772374][   T94] usb 1-1: config 32 interface 20 altsetting 0 has 11 endpoint descriptors, different from the interface descriptor's value: 13
[   24.786132][   T94] usb 1-1: New USB device found, idVendor=077d, idProduct=627a, bcdDevice= 0.10
[   24.795264][   T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   24.853526][   T94] ------------[ cut here ]------------
[   24.859259][   T94] usb 1-1: BOGUS urb xfer, pipe 1 != type 3
[   24.865462][   T94] WARNING: CPU: 1 PID: 94 at drivers/usb/core/urb.c:478 usb_submit_urb+0x1188/0x1460
[   24.874962][   T94] Kernel panic - not syncing: panic_on_warn set ...
[   24.881551][   T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.6.0-rc1-syzkaller #0
[   24.889693][   T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   24.899844][   T94] Workqueue: usb_hub_wq hub_event
[   24.905001][   T94] Call Trace:
[   24.909127][   T94]  dump_stack+0xef/0x16e
[   24.913369][   T94]  ? usb_submit_urb+0x10e0/0x1460
[   24.918402][   T94]  panic+0x2aa/0x6e1
[   24.922339][   T94]  ? add_taint.cold+0x16/0x16
[   24.927015][   T94]  ? __probe_kernel_read+0x188/0x1d0
[   24.932291][   T94]  ? __warn.cold+0x14/0x30
[   24.936701][   T94]  ? __warn+0xd5/0x1c8
[   24.940761][   T94]  ? usb_submit_urb+0x1188/0x1460
[   24.945815][   T94]  __warn.cold+0x2f/0x30
[   24.950183][   T94]  ? usb_submit_urb+0x1188/0x1460
[   24.955435][   T94]  report_bug+0x27b/0x2f0
[   24.959799][   T94]  do_error_trap+0x12b/0x1e0
[   24.964378][   T94]  ? usb_submit_urb+0x1188/0x1460
[   24.969402][   T94]  do_invalid_op+0x32/0x40
[   24.973864][   T94]  ? usb_submit_urb+0x1188/0x1460
[   24.978881][   T94]  invalid_op+0x23/0x30
[   24.983036][   T94] RIP: 0010:usb_submit_urb+0x1188/0x1460
[   24.988659][   T94] Code: 4d 85 ed 74 46 e8 98 75 de fd 4c 89 f7 e8 90 5e 17 ff 41 89 d8 44 89 e1 4c 89 ea 48 89 c6 48 c7 c7 20 de 3b 86 e8 f0 01 b3 fd <0f> 0b e9 20 f4 ff ff e8 6c 75 de fd 0f 1f 44 00 00 e8 62 75 de fd
[   25.008611][   T94] RSP: 0018:ffff8881d5cbef70 EFLAGS: 00010286
[   25.014732][   T94] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000
[   25.023308][   T94] RDX: 0000000000000000 RSI: ffffffff812975ed RDI: ffffed103ab97de0
[   25.031270][   T94] RBP: ffff8881d54de050 R08: ffff8881d6a51880 R09: ffffed103b66439f
[   25.041080][   T94] R10: ffffed103b66439e R11: ffff8881db321cf3 R12: 0000000000000001
[   25.049054][   T94] R13: ffff8881c9a2e900 R14: ffff8881d54dd0a0 R15: ffff8881d4f8c100
[   25.057057][   T94]  ? vprintk_func+0x7d/0x113
[   25.061657][   T94]  usb_start_wait_urb+0x108/0x4c0
[   25.066680][   T94]  ? sg_clean+0x230/0x230
[   25.071018][   T94]  ? kasan_unpoison_shadow+0x30/0x40
[   25.076297][   T94]  ? memset+0x20/0x40
[   25.080272][   T94]  usb_bulk_msg+0x228/0x550
[   25.084779][   T94]  shark_write_reg+0x1ef/0x2b0
[   25.089554][   T94]  ? devm_led_classdev_unregister+0x50/0x50
[   25.095447][   T94]  ? shark_read_reg+0x450/0x450
[   25.100295][   T94]  ? snprintf+0xbb/0xf0
[   25.104443][   T94]  ? vsprintf+0x30/0x30
[   25.108598][   T94]  ? usb_shark_probe+0x93/0x740
[   25.113462][   T94]  radio_tea5777_set_freq+0x1ed/0x470
[   25.119988][   T94]  radio_tea5777_init+0xb7/0x640
[   25.124931][   T94]  usb_shark_probe+0x5b9/0x740
[   25.129720][   T94]  usb_probe_interface+0x310/0x800
[   25.134847][   T94]  ? usb_probe_device+0x230/0x230
[   25.139873][   T94]  really_probe+0x290/0xac0
[   25.145151][   T94]  driver_probe_device+0x223/0x350
[   25.150785][   T94]  __device_attach_driver+0x1d1/0x290
[   25.156157][   T94]  ? driver_allows_async_probing+0x160/0x160
[   25.162125][   T94]  bus_for_each_drv+0x162/0x1e0
[   25.167197][   T94]  ? bus_rescan_devices+0x20/0x20
[   25.172226][   T94]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   25.178037][   T94]  ? lockdep_hardirqs_on+0x382/0x580
[   25.183322][   T94]  __device_attach+0x217/0x390
[   25.188095][   T94]  ? device_bind_driver+0xd0/0xd0
[   25.193138][   T94]  bus_probe_device+0x1e4/0x290
[   25.198009][   T94]  device_add+0x1459/0x1bf0
[   25.202648][   T94]  ? wait_for_completion+0x3c0/0x3c0
[   25.207937][   T94]  ? device_link_remove+0x110/0x110
[   25.213132][   T94]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   25.218929][   T94]  usb_set_configuration+0xe47/0x17d0
[   25.224303][   T94]  usb_generic_driver_probe+0x9d/0xe0
[   25.229675][   T94]  usb_probe_device+0xd9/0x230
[   25.234437][   T94]  ? usb_suspend+0x5f0/0x5f0
[   25.239011][   T94]  really_probe+0x290/0xac0
[   25.243515][   T94]  driver_probe_device+0x223/0x350
[   25.248638][   T94]  __device_attach_driver+0x1d1/0x290
[   25.254016][   T94]  ? driver_allows_async_probing+0x160/0x160
[   25.259995][   T94]  bus_for_each_drv+0x162/0x1e0
[   25.264834][   T94]  ? bus_rescan_devices+0x20/0x20
[   25.269855][   T94]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   25.275785][   T94]  ? lockdep_hardirqs_on+0x382/0x580
[   25.281071][   T94]  __device_attach+0x217/0x390
[   25.285927][   T94]  ? device_bind_driver+0xd0/0xd0
[   25.290959][   T94]  bus_probe_device+0x1e4/0x290
[   25.295913][   T94]  device_add+0x1459/0x1bf0
[   25.300409][   T94]  ? device_link_remove+0x110/0x110
[   25.305596][   T94]  usb_new_device.cold+0x540/0xcd0
[   25.310724][   T94]  hub_event+0x21cb/0x4300
[   25.315129][   T94]  ? hub_port_debounce+0x350/0x350
[   25.320271][   T94]  ? find_held_lock+0x2d/0x110
[   25.325027][   T94]  ? mark_held_locks+0xe0/0xe0
[   25.329784][   T94]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   25.335320][   T94]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   25.340587][   T94]  process_one_work+0x94b/0x1620
[   25.345509][   T94]  ? pwq_dec_nr_in_flight+0x310/0x310
[   25.350861][   T94]  ? do_raw_spin_lock+0x129/0x290
[   25.355863][   T94]  worker_thread+0x96/0xe20
[   25.360365][   T94]  ? process_one_work+0x1620/0x1620
[   25.365573][   T94]  kthread+0x318/0x420
[   25.369642][   T94]  ? kthread_create_on_node+0xf0/0xf0
[   25.375017][   T94]  ret_from_fork+0x24/0x30
[   25.380374][   T94] Kernel Offset: disabled
[   25.385170][   T94] Rebooting in 86400 seconds..