[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.081843][ 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 '10.128.0.53' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.249819][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.489788][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 27.609912][ T12] usb 1-1: config 8 has an invalid interface number: 244 but max is 0 [ 27.618339][ T12] usb 1-1: config 8 has no interface number 0 [ 27.624492][ T12] usb 1-1: config 8 interface 244 altsetting 142 bulk endpoint 0x1 has invalid maxpacket 7 [ 27.634603][ T12] usb 1-1: config 8 interface 244 altsetting 142 has an invalid endpoint with address 0x80, skipping [ 27.645494][ T12] usb 1-1: config 8 interface 244 has no altsetting 0 [ 27.889889][ T12] usb 1-1: language id specifier not provided by device, defaulting to English [ 28.609900][ T12] usb 1-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=8c.6d [ 28.619083][ T12] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 executing program [ 28.892242][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 28.898984][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 28.939903][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 28.946627][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 28.954131][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 28.963737][ T12] usb 1-1: USB disconnect, device number 2 [ 28.987093][ T1717] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 28.996389][ T1717] usb 1-1: r8712u: Firmware request failed [ 29.003513][ T12] ------------[ cut here ]------------ [ 29.009907][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8167 rollback_registered_many.cold+0x41/0x1bc [ 29.021013][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 29.027736][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc7+ #0 [ 29.035248][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.045310][ T12] Workqueue: usb_hub_wq hub_event [ 29.050329][ T12] Call Trace: [ 29.053621][ T12] dump_stack+0xca/0x13e [ 29.057864][ T12] ? dev_change_tx_queue_len.cold+0x12/0x54 [ 29.063777][ T12] panic+0x2a3/0x6da [ 29.067684][ T12] ? add_taint.cold+0x16/0x16 [ 29.072370][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 29.077749][ T12] ? __warn.cold+0x5/0x4a [ 29.082072][ T12] ? __warn+0xe3/0x1e0 [ 29.086125][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 29.093145][ T12] __warn.cold+0x20/0x4a [ 29.097835][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 29.103232][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 29.109493][ T12] report_bug+0x262/0x2a0 [ 29.114069][ T12] do_error_trap+0x12b/0x1e0 [ 29.119088][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 29.125296][ T12] do_invalid_op+0x32/0x40 [ 29.130095][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 29.136608][ T12] invalid_op+0x23/0x30 [ 29.140754][ T12] RIP: 0010:rollback_registered_many.cold+0x41/0x1bc [ 29.147429][ T12] Code: ff e8 f7 f6 8f fc 48 c7 c7 40 f4 63 86 e8 74 98 7a fc 0f 0b e9 93 be ff ff e8 df f6 8f fc 48 c7 c7 40 f4 63 86 e8 5c 98 7a fc <0f> 0b 4c 89 e7 e8 29 fb 33 fd 31 ff 41 89 c4 89 c6 e8 ed f7 8f fc [ 29.167023][ T12] RSP: 0018:ffff8881da20f6a8 EFLAGS: 00010286 [ 29.173071][ T12] RAX: 0000000000000024 RBX: ffff8881d3378000 RCX: 0000000000000000 [ 29.181033][ T12] RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b441ec7 [ 29.188993][ T12] RBP: ffff8881da20f7d8 R08: 0000000000000024 R09: ffffed103b645d58 [ 29.196954][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881d3378070 [ 29.204906][ T12] R13: ffff8881da20f768 R14: dffffc0000000000 R15: 0000000000000000 [ 29.212878][ T12] ? vprintk_func+0x7d/0x113 [ 29.217458][ T12] ? rollback_registered_many.cold+0x41/0x1bc [ 29.223507][ T12] ? generic_xdp_install+0x480/0x480 [ 29.228768][ T12] ? __mutex_lock+0x430/0x1360 [ 29.233509][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 29.238511][ T12] ? unregister_netdev+0xe/0x20 [ 29.243336][ T12] ? mark_held_locks+0x9f/0xe0 [ 29.248422][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 29.253602][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 29.258522][ T12] rollback_registered+0xf2/0x1c0 [ 29.263535][ T12] ? rollback_registered_many+0xc70/0xc70 [ 29.269291][ T12] ? wait_for_completion_interruptible+0x420/0x420 [ 29.275799][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 29.280977][ T12] ? wake_up_q+0xf0/0xf0 [ 29.285200][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 29.290909][ T12] unregister_netdev+0x18/0x20 [ 29.295656][ T12] r871xu_dev_remove+0xe2/0x215 [ 29.300493][ T12] usb_unbind_interface+0x1bd/0x8a0 [ 29.305666][ T12] ? usb_autoresume_device+0x60/0x60 [ 29.310932][ T12] device_release_driver_internal+0x42f/0x500 [ 29.316975][ T12] bus_remove_device+0x2dc/0x4a0 [ 29.321885][ T12] device_del+0x420/0xb10 [ 29.326189][ T12] ? __device_links_no_driver+0x240/0x240 [ 29.331886][ T12] ? usb_remove_ep_devs+0x3e/0x80 [ 29.336886][ T12] ? remove_intf_ep_devs+0x13f/0x1d0 [ 29.342148][ T12] usb_disable_device+0x211/0x690 [ 29.347162][ T12] usb_disconnect+0x284/0x8d0 [ 29.351819][ T12] hub_event+0x1454/0x3640 [ 29.356213][ T12] ? find_held_lock+0x2d/0x110 [ 29.360951][ T12] ? mark_held_locks+0xe0/0xe0 [ 29.365791][ T12] ? hub_port_debounce+0x260/0x260 [ 29.370905][ T12] process_one_work+0x92b/0x1530 [ 29.375829][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 29.381178][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 29.386187][ T12] worker_thread+0x7ab/0xe20 [ 29.390754][ T12] ? process_one_work+0x1530/0x1530 [ 29.395934][ T12] kthread+0x318/0x420 [ 29.400075][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 29.406087][ T12] ret_from_fork+0x24/0x30 [ 29.411392][ T12] Kernel Offset: disabled [ 29.415765][ T12] Rebooting in 86400 seconds..