[info] Using makefile-style concurrent boot in runlevel 2. [ 14.586348][ C1] random: crng init done [....] 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 '10.128.15.208' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.911058][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.310679][ T12] usb 1-1: unable to get BOS descriptor or descriptor too short [ 26.390712][ T12] usb 1-1: config 0 has an invalid interface number: 41 but max is 1 [ 26.398872][ T12] usb 1-1: config 0 has an invalid interface number: 3 but max is 1 [ 26.407027][ T12] usb 1-1: config 0 has no interface number 0 [ 26.413264][ T12] usb 1-1: config 0 has no interface number 1 [ 26.419350][ T12] usb 1-1: config 0 interface 41 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 26.429961][ T12] usb 1-1: config 0 interface 41 altsetting 0 endpoint 0x7 has invalid maxpacket 278, setting to 64 [ 26.440749][ T12] usb 1-1: config 0 interface 41 altsetting 0 endpoint 0xB has invalid maxpacket 66, setting to 64 [ 26.451467][ T12] usb 1-1: config 0 interface 3 altsetting 0 has an invalid endpoint with address 0x80, skipping [ 26.461987][ T12] usb 1-1: config 0 interface 3 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 3 [ 26.710689][ T12] usb 1-1: string descriptor 0 read error: -22 [ 26.716922][ T12] usb 1-1: New USB device found, idVendor=0df6, idProduct=005d, bcdDevice=6a.88 [ 26.726010][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 26.735160][ T12] usb 1-1: config 0 descriptor?? [ 26.772929][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 26.779727][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 2 endpoints [ 26.880681][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 26.887303][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 26.894814][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 26.905356][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 26.912067][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 26.950705][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 26.957338][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 26.964854][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 26.973020][ T103] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 26.982290][ T103] usb 1-1: r8712u: Firmware request failed [ 26.989273][ T12] usb 1-1: USB disconnect, device number 2 [ 26.997043][ T103] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 27.006130][ T103] usb 1-1: r8712u: Firmware request failed [ 27.012148][ T12] ------------[ cut here ]------------ [ 27.017729][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8220 rollback_registered_many+0x1df/0xe00 [ 27.027244][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 27.033819][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc5+ #0 [ 27.041175][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.051220][ T12] Workqueue: usb_hub_wq hub_event [ 27.056222][ T12] Call Trace: [ 27.059488][ T12] dump_stack+0xca/0x13e [ 27.063709][ T12] ? rollback_registered_many+0x1c0/0xe00 [ 27.069403][ T12] panic+0x2aa/0x6e1 [ 27.073284][ T12] ? add_taint.cold+0x16/0x16 [ 27.077933][ T12] ? printk+0xba/0xed [ 27.081891][ T12] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 27.087323][ T12] ? __warn.cold+0x14/0x33 [ 27.091711][ T12] ? __warn+0xd5/0x1d0 [ 27.095754][ T12] ? rollback_registered_many+0x1df/0xe00 [ 27.101445][ T12] __warn.cold+0x2f/0x33 [ 27.105665][ T12] ? rollback_registered_many+0x1df/0xe00 [ 27.111367][ T12] report_bug+0x27b/0x2f0 [ 27.115673][ T12] do_error_trap+0x12b/0x1e0 [ 27.120263][ T12] ? rollback_registered_many+0x1df/0xe00 [ 27.125968][ T12] do_invalid_op+0x32/0x40 [ 27.130375][ T12] ? rollback_registered_many+0x1df/0xe00 [ 27.136074][ T12] invalid_op+0x23/0x30 [ 27.140216][ T12] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 27.146522][ T12] 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 5f 41 8f fc 45 84 ff 0f 85 49 ff ff ff e8 21 40 8f fc <0f> 0b 4c 89 e7 e8 87 aa 34 fd 31 ff 41 89 c4 89 c6 e8 3b 41 8f fc [ 27.166158][ T12] RSP: 0018:ffff8881da227668 EFLAGS: 00010293 [ 27.172240][ T12] RAX: ffff8881da211800 RBX: ffff8881c6560000 RCX: ffffffff84aee511 [ 27.180186][ T12] RDX: 0000000000000000 RSI: ffffffff84aee51f RDI: 0000000000000001 [ 27.188133][ T12] RBP: ffff8881da227798 R08: ffff8881da211800 R09: fffffbfff0ee2da1 [ 27.196079][ T12] R10: fffffbfff0ee2da0 R11: ffffffff87716d07 R12: ffff8881c6560070 [ 27.204031][ T12] R13: ffff8881da227728 R14: dffffc0000000000 R15: 0000000000000000 [ 27.211995][ T12] ? rollback_registered_many+0x1d1/0xe00 [ 27.217699][ T12] ? rollback_registered_many+0x1df/0xe00 [ 27.223402][ T12] ? rollback_registered_many+0x1df/0xe00 [ 27.229095][ T12] ? generic_xdp_install+0x480/0x480 [ 27.234372][ T12] ? __mutex_lock+0x430/0x1360 [ 27.239120][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 27.244118][ T12] ? unregister_netdev+0xe/0x20 [ 27.248960][ T12] ? mark_held_locks+0x9f/0xe0 [ 27.253706][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 27.258888][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 27.263634][ T12] rollback_registered+0xf2/0x1c0 [ 27.268635][ T12] ? rollback_registered_many+0xe00/0xe00 [ 27.274365][ T12] ? wait_for_completion_interruptible+0x420/0x420 [ 27.280840][ T12] ? wake_up_q+0xf0/0xf0 [ 27.285058][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 27.290750][ T12] unregister_netdev+0x18/0x20 [ 27.295488][ T12] r871xu_dev_remove+0xe2/0x215 [ 27.300312][ T12] usb_unbind_interface+0x1bd/0x8a0 [ 27.305517][ T12] ? usb_autoresume_device+0x60/0x60 [ 27.310778][ T12] device_release_driver_internal+0x42f/0x500 [ 27.316821][ T12] bus_remove_device+0x2dc/0x4a0 [ 27.321739][ T12] device_del+0x420/0xb20 [ 27.326040][ T12] ? __device_link_del+0x2f0/0x2f0 [ 27.331125][ T12] ? usb_remove_ep_devs+0x3e/0x80 [ 27.336124][ T12] ? remove_intf_ep_devs+0x13f/0x1d0 [ 27.341395][ T12] usb_disable_device+0x211/0x690 [ 27.346393][ T12] usb_disconnect+0x284/0x8d0 [ 27.351045][ T12] hub_event+0x16f2/0x3800 [ 27.355431][ T12] ? hub_port_debounce+0x260/0x260 [ 27.360523][ T12] ? find_held_lock+0x2d/0x110 [ 27.365266][ T12] ? mark_held_locks+0xe0/0xe0 [ 27.370006][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.375523][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.380783][ T12] process_one_work+0x92b/0x1530 [ 27.385754][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.391116][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 27.396123][ T12] worker_thread+0x7ab/0xe20 [ 27.400747][ T12] ? process_one_work+0x1530/0x1530 [ 27.405955][ T12] kthread+0x318/0x420 [ 27.409999][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 27.415350][ T12] ret_from_fork+0x24/0x30 [ 27.420493][ T12] Kernel Offset: disabled [ 27.424840][ T12] Rebooting in 86400 seconds..