[ 43.534571] audit: type=1800 audit(1555397833.578:27): pid=5082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 43.555017] audit: type=1800 audit(1555397833.588:28): pid=5082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.418737] audit: type=1800 audit(1555397834.498:29): pid=5082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 44.438512] audit: type=1800 audit(1555397834.508:30): pid=5082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.590744] IPVS: ftp: loaded support on port[0] = 21 [ 53.898955] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 54.138939] usb 1-1: Using ep0 maxpacket: 8 [ 54.259120] usb 1-1: config 0 has an invalid interface number: 186 but max is 0 [ 54.266684] usb 1-1: config 0 has no interface number 0 [ 54.272413] usb 1-1: New USB device found, idVendor=0bda, idProduct=8713, bcdDevice=17.db [ 54.281108] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 54.290063] usb 1-1: config 0 descriptor?? [ 54.331577] r8712u: register rtl8712_netdev_ops to netdev_ops [ 54.337695] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 54.499140] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 54.505405] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 54.512265] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 54.521819] usb 1-1: USB disconnect, device number 2 [ 54.545748] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 54.554367] usb 1-1: r8712u: Firmware request failed [ 54.560080] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8152 rollback_registered_many+0x1f3/0xe70 [ 54.569279] Kernel panic - not syncing: panic_on_warn set ... [ 54.575164] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 54.583523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.593191] Workqueue: usb_hub_wq hub_event [ 54.597605] Call Trace: [ 54.600187] dump_stack+0xe8/0x16e [ 54.603908] ? rollback_registered_many+0x190/0xe70 [ 54.608945] panic+0x29d/0x5f2 [ 54.612310] ? __warn_printk+0xf8/0xf8 [ 54.616940] ? rollback_registered_many+0x1f3/0xe70 [ 54.622015] ? __probe_kernel_read+0x171/0x1b0 [ 54.626652] ? __warn.cold+0x5/0x48 [ 54.630488] ? __warn+0xe9/0x1d0 [ 54.633914] ? rollback_registered_many+0x1f3/0xe70 [ 54.639067] __warn.cold+0x20/0x48 [ 54.642596] ? rollback_registered_many+0x1f3/0xe70 [ 54.647783] report_bug+0x262/0x2a0 [ 54.653287] do_error_trap+0x130/0x1f0 [ 54.657167] ? rollback_registered_many+0x1f3/0xe70 [ 54.662174] do_invalid_op+0x37/0x40 [ 54.665962] ? rollback_registered_many+0x1f3/0xe70 [ 54.670996] invalid_op+0x14/0x20 [ 54.674430] RIP: 0010:rollback_registered_many+0x1f3/0xe70 [ 54.680376] Code: 05 00 00 31 ff 44 89 fe e8 5a 15 f3 f4 45 84 ff 0f 85 49 ff ff ff e8 1c 14 f3 f4 0f 1f 44 00 00 e8 12 14 f3 f4 e8 0d 14 f3 f4 <0f> 0b 4c 89 e7 e8 33 72 f2 f6 31 ff 41 89 c4 89 c6 e8 27 15 f3 f4 [ 54.699662] RSP: 0018:ffff8880a84b7698 EFLAGS: 00010293 [ 54.705016] RAX: ffff8880a84a6200 RBX: ffff88809b768000 RCX: ffffffff8c7eb146 [ 54.712557] RDX: 0000000000000000 RSI: ffffffff8c7eb163 RDI: 0000000000000001 [ 54.720099] RBP: ffff8880a84b77c8 R08: ffff8880a84a6200 R09: fffffbfff2708111 [ 54.727878] R10: fffffbfff2708110 R11: ffffffff93840887 R12: ffff88809b768070 [ 54.735607] R13: dffffc0000000000 R14: ffff8880a84b7758 R15: 0000000000000000 [ 54.743021] ? rollback_registered_many+0x1d6/0xe70 [ 54.748022] ? rollback_registered_many+0x1f3/0xe70 [ 54.753125] ? rollback_registered_many+0x1f3/0xe70 [ 54.758319] ? generic_xdp_install+0x490/0x490 [ 54.762942] ? __mutex_lock+0x3a7/0x12b0 [ 54.767180] ? unregister_netdev+0x13/0x30 [ 54.771555] ? mark_held_locks+0x9f/0xe0 [ 54.775709] ? _raw_spin_unlock_irq+0x29/0x40 [ 54.780194] ? mutex_trylock+0x1b0/0x1b0 [ 54.784449] rollback_registered+0xf7/0x1c0 [ 54.788770] ? rollback_registered_many+0xe70/0xe70 [ 54.794045] ? wait_for_completion_interruptible+0x420/0x420 [ 54.800135] ? wake_up_q+0xf0/0xf0 [ 54.803769] unregister_netdevice_queue+0x1dc/0x2b0 [ 54.808795] unregister_netdev+0x1d/0x30 [ 54.812853] r871xu_dev_remove+0xe7/0x223 [ 54.817007] usb_unbind_interface+0x1c9/0x980 [ 54.821546] ? usb_autoresume_device+0x60/0x60 [ 54.826135] device_release_driver_internal+0x436/0x4f0 [ 54.831490] bus_remove_device+0x302/0x5c0 [ 54.835990] device_del+0x467/0xb90 [ 54.839830] ? mark_held_locks+0x9f/0xe0 [ 54.843896] ? __device_links_no_driver+0x240/0x240 [ 54.848913] ? lockdep_hardirqs_on+0x37e/0x580 [ 54.853492] ? remove_intf_ep_devs+0x144/0x1d0 [ 54.858060] usb_disable_device+0x242/0x790 [ 54.862689] usb_disconnect+0x298/0x870 [ 54.866785] hub_event+0xcd2/0x3b00 [ 54.870552] ? mark_held_locks+0xe0/0xe0 [ 54.874774] ? hub_port_debounce+0x350/0x350 [ 54.880236] ? _raw_spin_unlock_irq+0x29/0x40 [ 54.884863] process_one_work+0x90f/0x1580 [ 54.889260] ? wq_pool_ids_show+0x300/0x300 [ 54.893619] ? do_raw_spin_lock+0x11f/0x290 [ 54.897956] worker_thread+0x7b0/0xe20 [ 54.901966] ? process_one_work+0x1580/0x1580 [ 54.906715] kthread+0x313/0x420 [ 54.910069] ? kthread_park+0x1a0/0x1a0 [ 54.914289] ret_from_fork+0x3a/0x50 [ 54.920295] Kernel Offset: disabled [ 54.924240] Rebooting in 86400 seconds..