[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..