[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[   14.619167][    C1] random: crng init done
[?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 '10.128.10.22' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
syzkaller login: [   26.434333][  T102] usb 4-1: new high-speed USB device number 2 using dummy_hcd
[   26.434340][   T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd
[   26.434685][   T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   26.442241][   T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd
[   26.465771][ T1724] usb 5-1: new high-speed USB device number 2 using dummy_hcd
[   26.473301][   T78] usb 3-1: new high-speed USB device number 2 using dummy_hcd
[   26.694279][  T102] usb 4-1: Using ep0 maxpacket: 8
[   26.699953][   T12] usb 1-1: Using ep0 maxpacket: 8
[   26.704283][ T1724] usb 5-1: Using ep0 maxpacket: 8
[   26.714255][   T78] usb 3-1: Using ep0 maxpacket: 8
[   26.719415][   T17] usb 2-1: Using ep0 maxpacket: 8
[   26.724564][   T83] usb 6-1: Using ep0 maxpacket: 8
[   26.814388][  T102] usb 4-1: New USB device found, idVendor=20f4, idProduct=646b, bcdDevice=30.8a
[   26.823579][  T102] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   26.824596][ T1724] usb 5-1: New USB device found, idVendor=20f4, idProduct=646b, bcdDevice=30.8a
[   26.833762][  T102] usb 4-1: config 0 descriptor??
[   26.840660][ T1724] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   26.844111][   T78] usb 3-1: New USB device found, idVendor=20f4, idProduct=646b, bcdDevice=30.8a
[   26.846001][   T12] usb 1-1: New USB device found, idVendor=20f4, idProduct=646b, bcdDevice=30.8a
[   26.853898][   T78] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   26.854402][   T17] usb 2-1: New USB device found, idVendor=20f4, idProduct=646b, bcdDevice=30.8a
[   26.863875][   T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   26.872863][   T17] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   26.882673][   T12] usb 1-1: config 0 descriptor??
[   26.890074][   T83] usb 6-1: New USB device found, idVendor=20f4, idProduct=646b, bcdDevice=30.8a
[   26.919901][   T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   26.927011][  T102] r8712u: register rtl8712_netdev_ops to netdev_ops
[   26.931453][ T1724] usb 5-1: config 0 descriptor??
[   26.934605][  T102] usb 4-1: r8712u: USB_SPEED_HIGH with 0 endpoints
[   26.939708][   T78] usb 3-1: config 0 descriptor??
[   26.954702][   T12] r8712u: register rtl8712_netdev_ops to netdev_ops
[   26.954816][   T17] usb 2-1: config 0 descriptor??
[   26.961341][   T12] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints
[   26.974810][   T83] usb 6-1: config 0 descriptor??
[   27.016230][ T1724] r8712u: register rtl8712_netdev_ops to netdev_ops
[   27.022863][ T1724] usb 5-1: r8712u: USB_SPEED_HIGH with 0 endpoints
[   27.031586][   T83] r8712u: register rtl8712_netdev_ops to netdev_ops
[   27.038280][   T83] usb 6-1: r8712u: USB_SPEED_HIGH with 0 endpoints
[   27.047678][   T78] r8712u: register rtl8712_netdev_ops to netdev_ops
[   27.054368][   T78] usb 3-1: r8712u: USB_SPEED_HIGH with 0 endpoints
[   27.062847][   T17] r8712u: register rtl8712_netdev_ops to netdev_ops
[   27.069537][   T17] usb 2-1: r8712u: USB_SPEED_HIGH with 0 endpoints
[   27.084325][   T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed
[   27.090973][   T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
[   27.100100][   T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
executing program
executing program
[   27.111946][   T12] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2
[   27.121200][   T12] usb 1-1: r8712u: Firmware request failed
[   27.128138][  T102] usb 4-1: r8712u: Boot from EFUSE: Autoload Failed
[   27.134882][  T102] usb 4-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
[   27.142337][  T102] usb 4-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[   27.157242][  T102] usb 4-1: USB disconnect, device number 2
[   27.164495][ T1727] usb 4-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2
[   27.173506][ T1727] usb 4-1: r8712u: Firmware request failed
[   27.174373][   T78] usb 3-1: r8712u: Boot from EFUSE: Autoload Failed
[   27.179599][   T12] usb 1-1: USB disconnect, device number 2
[   27.185990][   T78] usb 3-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
[   27.191968][  T102] ------------[ cut here ]------------
[   27.199247][   T78] usb 3-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[   27.204689][  T102] WARNING: CPU: 0 PID: 102 at net/core/dev.c:8220 rollback_registered_many+0x1df/0xe00
[   27.204696][  T102] Kernel panic - not syncing: panic_on_warn set ...
[   27.204707][  T102] CPU: 0 PID: 102 Comm: kworker/0:2 Not tainted 5.4.0-rc3+ #0
[   27.204718][  T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   27.212529][ T1724] usb 5-1: r8712u: Boot from EFUSE: Autoload Failed
[   27.222023][  T102] Workqueue: usb_hub_wq hub_event
[   27.222030][  T102] Call Trace:
[   27.222047][  T102]  dump_stack+0xca/0x13e
[   27.222061][  T102]  ? rollback_registered_many+0x120/0xe00
[   27.222072][  T102]  panic+0x2aa/0x6e1
[   27.222087][  T102]  ? add_taint.cold+0x16/0x16
[   27.228679][ T1724] usb 5-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
[   27.236081][  T102]  ? printk+0xba/0xed
[   27.236092][  T102]  ? kmsg_dump_rewind_nolock+0xd9/0xd9
[   27.236102][  T102]  ? __warn.cold+0x14/0x33
[   27.236116][  T102]  ? __warn+0xd5/0x1d0
[   27.246170][ T1724] usb 5-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[   27.252726][  T102]  ? rollback_registered_many+0x1df/0xe00
[   27.257797][   T17] usb 2-1: r8712u: Boot from EFUSE: Autoload Failed
[   27.260995][  T102]  __warn.cold+0x2f/0x33
[   27.265249][   T17] usb 2-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
[   27.270922][  T102]  ? rollback_registered_many+0x1df/0xe00
[   27.274825][   T17] usb 2-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[   27.279436][  T102]  report_bug+0x27b/0x2f0
[   27.279452][  T102]  do_error_trap+0x12b/0x1e0
[   27.286988][   T83] usb 6-1: r8712u: Boot from EFUSE: Autoload Failed
[   27.290833][  T102]  ? rollback_registered_many+0x1df/0xe00
[   27.296474][   T83] usb 6-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
[   27.300653][  T102]  do_invalid_op+0x32/0x40
[   27.304716][   T83] usb 6-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[   27.312300][  T102]  ? rollback_registered_many+0x1df/0xe00
[   27.345022][ T1724] usb 2-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2
[   27.349529][  T102]  invalid_op+0x23/0x30
[   27.349547][  T102] RIP: 0010:rollback_registered_many+0x1df/0xe00
[   27.349559][  T102] Code: 84 c0 74 06 0f 8e 39 0a 00 00 44 0f b6 bb 28 05 00 00 31 ff 44 89 fe e8 2f 48 8c fc 45 84 ff 0f 85 49 ff ff ff e8 f1 46 8c fc <0f> 0b 4c 89 e7 e8 a7 a8 31 fd 31 ff 41 89 c4 89 c6 e8 0b 48 8c fc
[   27.349566][  T102] RSP: 0018:ffff8881d53bf668 EFLAGS: 00010293
[   27.349581][  T102] RAX: ffff8881d5b89800 RBX: ffff8881d5230000 RCX: ffffffff84b1d1b1
[   27.354027][ T1724] usb 2-1: r8712u: Firmware request failed
[   27.358464][  T102] RDX: 0000000000000000 RSI: ffffffff84b1d1bf RDI: 0000000000000001
[   27.358471][  T102] RBP: ffff8881d53bf798 R08: ffff8881d5b89800 R09: fffffbfff0ee9209
[   27.358477][  T102] R10: fffffbfff0ee9208 R11: ffffffff87749047 R12: ffff8881d5230070
[   27.358482][  T102] R13: ffff8881d53bf728 R14: dffffc0000000000 R15: 0000000000000000
[   27.358502][  T102]  ? rollback_registered_many+0x1d1/0xe00
[   27.358514][  T102]  ? rollback_registered_many+0x1df/0xe00
[   27.358527][  T102]  ? rollback_registered_many+0x1df/0xe00
[   27.358539][  T102]  ? generic_xdp_install+0x480/0x480
[   27.358552][  T102]  ? __mutex_lock+0x430/0x1360
[   27.358563][  T102]  ? do_raw_spin_lock+0x11a/0x280
[   27.358575][  T102]  ? unregister_netdev+0xe/0x20
[   27.358591][  T102]  ? mark_held_locks+0x9f/0xe0
[   27.366114][ T1724] usb 3-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2
[   27.370935][  T102]  ? _raw_spin_unlock_irq+0x24/0x30
[   27.370948][  T102]  ? mutex_trylock+0x2c0/0x2c0
[   27.370961][  T102]  rollback_registered+0xf2/0x1c0
[   27.370975][  T102]  ? rollback_registered_many+0xe00/0xe00
[   27.370986][  T102]  ? wait_for_completion_interruptible+0x420/0x420
[   27.371002][  T102]  ? wake_up_q+0xf0/0xf0
[   27.378633][ T1724] usb 3-1: r8712u: Firmware request failed
[   27.382838][  T102]  unregister_netdevice_queue+0x1d7/0x2b0
[   27.382851][  T102]  unregister_netdev+0x18/0x20
[   27.382864][  T102]  r871xu_dev_remove+0xe2/0x215
[   27.382878][  T102]  usb_unbind_interface+0x1bd/0x8a0
[   27.382890][  T102]  ? usb_autoresume_device+0x60/0x60
[   27.382907][  T102]  device_release_driver_internal+0x42f/0x500
[   27.391380][ T1724] usb 6-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2
[   27.396250][  T102]  bus_remove_device+0x2dc/0x4a0
[   27.396262][  T102]  device_del+0x420/0xb20
[   27.396273][  T102]  ? __device_link_del+0x2f0/0x2f0
[   27.396286][  T102]  ? lockdep_hardirqs_on+0x382/0x580
[   27.396304][  T102]  ? remove_intf_ep_devs+0x13f/0x1d0
[   27.396314][  T102]  usb_disable_device+0x211/0x690
[   27.396324][  T102]  usb_disconnect+0x284/0x8d0
[   27.396333][  T102]  hub_event+0x16ca/0x37e0
[   27.396344][  T102]  ? hub_port_debounce+0x260/0x260
[   27.396360][  T102]  ? find_held_lock+0x2d/0x110
[   27.405419][ T1724] usb 6-1: r8712u: Firmware request failed
[   27.409330][  T102]  ? mark_held_locks+0xe0/0xe0
[   27.409342][  T102]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   27.409353][  T102]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   27.409367][  T102]  process_one_work+0x92b/0x1530
[   27.409378][  T102]  ? pwq_dec_nr_in_flight+0x310/0x310
[   27.409393][  T102]  ? do_raw_spin_lock+0x11a/0x280
[   27.416643][ T1724] usb 5-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2
[   27.435378][  T102]  worker_thread+0x7ab/0xe20
[   27.435391][  T102]  ? process_one_work+0x1530/0x1530
[   27.435401][  T102]  kthread+0x318/0x420
[   27.435411][  T102]  ? kthread_create_on_node+0xf0/0xf0
[   27.435423][  T102]  ret_from_fork+0x24/0x30
[   27.442128][  T102] Kernel Offset: disabled
[   27.751741][  T102] Rebooting in 86400 seconds..