[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 15.926361][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.214' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 62.809763][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 63.169857][ T12] usb 1-1: config 0 has an invalid interface number: 144 but max is 0 [ 63.178214][ T12] usb 1-1: config 0 has no interface number 0 [ 63.184373][ T12] usb 1-1: config 0 interface 144 has no altsetting 0 [ 63.191198][ T12] usb 1-1: New USB device found, idVendor=13d3, idProduct=3333, bcdDevice=da.b0 [ 63.200255][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 63.209499][ T12] usb 1-1: config 0 descriptor?? executing program [ 63.489900][ T12] usb 1-1: string descriptor 0 read error: -71 [ 63.498542][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 63.505278][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 1 endpoints [ 63.549818][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 63.556436][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 63.563985][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 63.573941][ T12] usb 1-1: USB disconnect, device number 2 [ 63.583685][ T1721] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 63.592746][ T1721] usb 1-1: r8712u: Firmware request failed [ 63.598854][ T12] ------------[ cut here ]------------ [ 63.604391][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8220 rollback_registered_many+0x1df/0xe00 [ 63.613909][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 63.620490][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc1+ #0 [ 63.627833][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.638226][ T12] Workqueue: usb_hub_wq hub_event [ 63.643227][ T12] Call Trace: [ 63.646499][ T12] dump_stack+0xca/0x13e [ 63.650736][ T12] ? rollback_registered_many+0x130/0xe00 [ 63.656436][ T12] panic+0x2a3/0x6da [ 63.660324][ T12] ? add_taint.cold+0x16/0x16 [ 63.665001][ T12] ? printk+0xba/0xed [ 63.668994][ T12] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 63.674441][ T12] ? __warn.cold+0x14/0x3a [ 63.678846][ T12] ? __warn+0xd5/0x1d0 [ 63.682898][ T12] ? rollback_registered_many+0x1df/0xe00 [ 63.688622][ T12] __warn.cold+0x2f/0x3a [ 63.692875][ T12] ? rollback_registered_many+0x1df/0xe00 [ 63.698626][ T12] report_bug+0x27b/0x2f0 [ 63.702944][ T12] do_error_trap+0x12b/0x1e0 [ 63.707552][ T12] ? rollback_registered_many+0x1df/0xe00 [ 63.713397][ T12] do_invalid_op+0x32/0x40 [ 63.717805][ T12] ? rollback_registered_many+0x1df/0xe00 [ 63.723613][ T12] invalid_op+0x23/0x30 [ 63.727774][ T12] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 63.734080][ 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 bf 5b 8c fc 45 84 ff 0f 85 49 ff ff ff e8 81 5a 8c fc <0f> 0b 4c 89 e7 e8 b7 a3 31 fd 31 ff 41 89 c4 89 c6 e8 9b 5b 8c fc [ 63.753665][ T12] RSP: 0018:ffff8881da20f6a8 EFLAGS: 00010293 [ 63.759715][ T12] RAX: ffff8881da1f9800 RBX: ffff8881d2898000 RCX: ffffffff84b1c1a1 [ 63.767669][ T12] RDX: 0000000000000000 RSI: ffffffff84b1c1af RDI: 0000000000000001 [ 63.775626][ T12] RBP: ffff8881da20f7d8 R08: ffff8881da1f9800 R09: fffffbfff0ee93d9 [ 63.783579][ T12] R10: fffffbfff0ee93d8 R11: ffffffff87749ec7 R12: ffff8881d2898070 [ 63.791534][ T12] R13: ffff8881da20f768 R14: dffffc0000000000 R15: 0000000000000000 [ 63.799499][ T12] ? rollback_registered_many+0x1d1/0xe00 [ 63.805228][ T12] ? rollback_registered_many+0x1df/0xe00 [ 63.810945][ T12] ? rollback_registered_many+0x1df/0xe00 [ 63.816654][ T12] ? generic_xdp_install+0x480/0x480 [ 63.821935][ T12] ? __mutex_lock+0x430/0x1360 [ 63.826683][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 63.831689][ T12] ? unregister_netdev+0xe/0x20 [ 63.836529][ T12] ? mark_held_locks+0x9f/0xe0 [ 63.841270][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 63.846443][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 63.851201][ T12] rollback_registered+0xf2/0x1c0 [ 63.856209][ T12] ? rollback_registered_many+0xe00/0xe00 [ 63.861910][ T12] ? wait_for_completion_interruptible+0x420/0x420 [ 63.868387][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 63.873594][ T12] ? wake_up_q+0xf0/0xf0 [ 63.877823][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 63.883961][ T12] unregister_netdev+0x18/0x20 [ 63.888701][ T12] r871xu_dev_remove+0xe2/0x215 [ 63.893534][ T12] usb_unbind_interface+0x1bd/0x8a0 [ 63.898710][ T12] ? usb_autoresume_device+0x60/0x60 [ 63.903972][ T12] device_release_driver_internal+0x42f/0x500 [ 63.910028][ T12] bus_remove_device+0x2dc/0x4a0 [ 63.914941][ T12] device_del+0x420/0xb20 [ 63.919254][ T12] ? __device_link_del+0x2f0/0x2f0 [ 63.924343][ T12] ? usb_remove_ep_devs+0x3e/0x80 [ 63.929341][ T12] ? remove_intf_ep_devs+0x13f/0x1d0 [ 63.934616][ T12] usb_disable_device+0x211/0x690 [ 63.939626][ T12] usb_disconnect+0x284/0x8d0 [ 63.944287][ T12] hub_event+0x1454/0x3640 [ 63.948735][ T12] ? find_held_lock+0x2d/0x110 [ 63.953497][ T12] ? mark_held_locks+0xe0/0xe0 [ 63.958249][ T12] ? hub_port_debounce+0x260/0x260 [ 63.963338][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.968859][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 63.974123][ T12] process_one_work+0x92b/0x1530 [ 63.979042][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 63.984395][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 63.989417][ T12] worker_thread+0x7ab/0xe20 [ 63.994000][ T12] ? process_one_work+0x1530/0x1530 [ 63.999176][ T12] kthread+0x318/0x420 [ 64.003222][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 64.008582][ T12] ret_from_fork+0x24/0x30 [ 64.013822][ T12] Kernel Offset: disabled [ 64.018177][ T12] Rebooting in 86400 seconds..