[info] Using makefile-style concurrent boot in runlevel 2. [ 14.774896][ 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 '10.128.0.166' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 22.722148][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 22.961626][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 23.081719][ T12] usb 1-1: config 0 has an invalid interface number: 187 but max is 0 [ 23.089996][ T12] usb 1-1: config 0 has no interface number 0 [ 23.096115][ T12] usb 1-1: config 0 interface 187 has no altsetting 0 [ 23.102912][ T12] usb 1-1: New USB device found, idVendor=050d, idProduct=945a, bcdDevice=a2.9a [ 23.111959][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 23.121075][ T12] usb 1-1: config 0 descriptor?? executing program [ 23.411725][ T12] usb 1-1: string descriptor 0 read error: -71 [ 23.420117][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 23.426860][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 23.481710][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 23.488373][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 23.495877][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 23.504918][ T12] usb 1-1: USB disconnect, device number 2 [ 23.523715][ T102] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 23.532777][ T102] usb 1-1: r8712u: Firmware request failed [ 23.538742][ T12] ------------[ cut here ]------------ [ 23.544306][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8488 rollback_registered_many+0x1df/0xe00 [ 23.553832][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 23.560402][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 23.567790][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.577880][ T12] Workqueue: usb_hub_wq hub_event [ 23.582880][ T12] Call Trace: [ 23.586157][ T12] dump_stack+0xca/0x13e [ 23.590392][ T12] ? rollback_registered_many+0xf0/0xe00 [ 23.596001][ T12] panic+0x2aa/0x6e1 [ 23.599874][ T12] ? add_taint.cold+0x16/0x16 [ 23.604529][ T12] ? printk+0xba/0xed [ 23.608485][ T12] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 23.613924][ T12] ? __warn.cold+0x14/0x33 [ 23.618313][ T12] ? __warn+0xd5/0x1d0 [ 23.622395][ T12] ? rollback_registered_many+0x1df/0xe00 [ 23.628122][ T12] __warn.cold+0x2f/0x33 [ 23.632344][ T12] ? rollback_registered_many+0x1df/0xe00 [ 23.638037][ T12] report_bug+0x27b/0x2f0 [ 23.642349][ T12] do_error_trap+0x12b/0x1e0 [ 23.646916][ T12] ? rollback_registered_many+0x1df/0xe00 [ 23.652609][ T12] do_invalid_op+0x32/0x40 [ 23.657004][ T12] ? rollback_registered_many+0x1df/0xe00 [ 23.662721][ T12] invalid_op+0x23/0x30 [ 23.666856][ T12] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 23.673158][ 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 af 4d 8f fc 45 84 ff 0f 85 49 ff ff ff e8 71 4c 8f fc <0f> 0b 4c 89 e7 e8 b7 b6 34 fd 31 ff 41 89 c4 89 c6 e8 8b 4d 8f fc [ 23.692736][ T12] RSP: 0018:ffff8881da227668 EFLAGS: 00010293 [ 23.698775][ T12] RAX: ffff8881da211800 RBX: ffff8881cfce8000 RCX: ffffffff84aed9e1 [ 23.706723][ T12] RDX: 0000000000000000 RSI: ffffffff84aed9ef RDI: 0000000000000001 [ 23.714670][ T12] RBP: ffff8881da227798 R08: ffff8881da211800 R09: fffffbfff0ee2b61 [ 23.722618][ T12] R10: fffffbfff0ee2b60 R11: ffffffff87715b07 R12: ffff8881cfce8070 [ 23.730577][ T12] R13: ffff8881da227728 R14: dffffc0000000000 R15: 0000000000000000 [ 23.738535][ T12] ? rollback_registered_many+0x1d1/0xe00 [ 23.744232][ T12] ? rollback_registered_many+0x1df/0xe00 [ 23.749925][ T12] ? rollback_registered_many+0x1df/0xe00 [ 23.755625][ T12] ? generic_xdp_install+0x480/0x480 [ 23.760884][ T12] ? __mutex_lock+0x430/0x1360 [ 23.765621][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 23.770619][ T12] ? unregister_netdev+0xe/0x20 [ 23.775461][ T12] ? mark_held_locks+0x9f/0xe0 [ 23.780211][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 23.785394][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 23.790136][ T12] rollback_registered+0xf2/0x1c0 [ 23.795138][ T12] ? rollback_registered_many+0xe00/0xe00 [ 23.800831][ T12] ? wait_for_completion_interruptible+0x420/0x420 [ 23.807310][ T12] ? wake_up_q+0xf0/0xf0 [ 23.811541][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 23.817246][ T12] unregister_netdev+0x18/0x20 [ 23.822006][ T12] r871xu_dev_remove+0xe2/0x215 [ 23.826834][ T12] usb_unbind_interface+0x1bd/0x8a0 [ 23.832010][ T12] ? usb_autoresume_device+0x60/0x60 [ 23.837279][ T12] device_release_driver_internal+0x42f/0x500 [ 23.843328][ T12] bus_remove_device+0x2dc/0x4a0 [ 23.848240][ T12] device_del+0x420/0xb20 [ 23.852549][ T12] ? __device_link_del+0x2f0/0x2f0 [ 23.857637][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 23.862900][ T12] ? remove_intf_ep_devs+0x13f/0x1d0 [ 23.868189][ T12] usb_disable_device+0x211/0x690 [ 23.873189][ T12] usb_disconnect+0x284/0x8d0 [ 23.877840][ T12] hub_event+0x16f2/0x3800 [ 23.882234][ T12] ? hub_port_debounce+0x260/0x260 [ 23.887329][ T12] ? find_held_lock+0x2d/0x110 [ 23.892071][ T12] ? mark_held_locks+0xe0/0xe0 [ 23.896825][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 23.902366][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 23.907625][ T12] process_one_work+0x92b/0x1530 [ 23.912540][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 23.917887][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 23.922898][ T12] worker_thread+0x7ab/0xe20 [ 23.927467][ T12] ? process_one_work+0x1530/0x1530 [ 23.932642][ T12] kthread+0x318/0x420 [ 23.936687][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 23.942046][ T12] ret_from_fork+0x24/0x30 [ 23.947025][ T12] Kernel Offset: disabled [ 23.951393][ T12] Rebooting in 86400 seconds..