[ 50.485589] audit: type=1800 audit(1555360786.236:26): pid=5471 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2490 res=0 [ 50.505385] audit: type=1800 audit(1555360786.246:27): pid=5471 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2469 res=0 [ 50.525024] audit: type=1800 audit(1555360786.246:28): pid=5471 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. [ 51.404678] audit: type=1800 audit(1555360787.176:29): pid=5471 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. syzkaller login: [ 58.282634] IPVS: ftp: loaded support on port[0] = 21 [ 58.583595] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 58.823568] usb 1-1: Using ep0 maxpacket: 8 [ 58.943653] usb 1-1: config 0 has an invalid interface number: 186 but max is 0 [ 58.951258] usb 1-1: config 0 has no interface number 0 [ 58.956800] usb 1-1: New USB device found, idVendor=0bda, idProduct=8713, bcdDevice=17.db [ 58.965362] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 58.975056] usb 1-1: config 0 descriptor?? [ 59.016286] r8712u: register rtl8712_netdev_ops to netdev_ops [ 59.022362] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 59.183532] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 59.189442] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 59.196309] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 59.205338] usb 1-1: USB disconnect, device number 2 [ 59.214321] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 59.222617] usb 1-1: r8712u: Firmware request failed [ 59.228224] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8152 rollback_registered_many+0x1f3/0xe70 [ 59.237141] Kernel panic - not syncing: panic_on_warn set ... [ 59.243012] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.1.0-rc4-319354-g9a33b36 #3 [ 59.250960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.260311] Workqueue: usb_hub_wq hub_event [ 59.264615] Call Trace: [ 59.267200] dump_stack+0xe8/0x16e [ 59.270726] ? rollback_registered_many+0x190/0xe70 [ 59.275729] panic+0x29d/0x5f2 [ 59.278905] ? __warn_printk+0xf8/0xf8 [ 59.282807] ? rollback_registered_many+0x1f3/0xe70 [ 59.287812] ? __probe_kernel_read+0x171/0x1b0 [ 59.292381] ? __warn.cold+0x5/0x48 [ 59.297004] ? __warn+0xe9/0x1d0 [ 59.300381] ? rollback_registered_many+0x1f3/0xe70 [ 59.305383] __warn.cold+0x20/0x48 [ 59.308912] ? rollback_registered_many+0x1f3/0xe70 [ 59.313925] report_bug+0x262/0x2a0 [ 59.317539] do_error_trap+0x130/0x1f0 [ 59.321410] ? rollback_registered_many+0x1f3/0xe70 [ 59.326413] do_invalid_op+0x37/0x40 [ 59.330122] ? rollback_registered_many+0x1f3/0xe70 [ 59.335125] invalid_op+0x14/0x20 [ 59.338569] RIP: 0010:rollback_registered_many+0x1f3/0xe70 [ 59.344196] 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 [ 59.363114] RSP: 0018:ffff8880a84b7698 EFLAGS: 00010293 [ 59.368473] RAX: ffff8880a84a6200 RBX: ffff8880a58c0000 RCX: ffffffff8c7eb146 [ 59.375739] RDX: 0000000000000000 RSI: ffffffff8c7eb163 RDI: 0000000000000001 [ 59.383029] RBP: ffff8880a84b77c8 R08: ffff8880a84a6200 R09: fffffbfff2708111 [ 59.390296] R10: fffffbfff2708110 R11: ffffffff93840887 R12: ffff8880a58c0070 [ 59.397555] R13: dffffc0000000000 R14: ffff8880a84b7758 R15: 0000000000000000 [ 59.404853] ? rollback_registered_many+0x1d6/0xe70 [ 59.409881] ? rollback_registered_many+0x1f3/0xe70 [ 59.414890] ? rollback_registered_many+0x1f3/0xe70 [ 59.419896] ? generic_xdp_install+0x490/0x490 [ 59.424475] ? __mutex_lock+0x3a7/0x12b0 [ 59.428532] ? unregister_netdev+0x13/0x30 [ 59.432760] ? mark_held_locks+0x9f/0xe0 [ 59.436841] ? _raw_spin_unlock_irq+0x29/0x40 [ 59.441327] ? mutex_trylock+0x1b0/0x1b0 [ 59.445377] rollback_registered+0xf7/0x1c0 [ 59.449686] ? rollback_registered_many+0xe70/0xe70 [ 59.454689] ? wait_for_completion_interruptible+0x420/0x420 [ 59.460474] ? wake_up_q+0xf0/0xf0 [ 59.464028] unregister_netdevice_queue+0x1dc/0x2b0 [ 59.469037] unregister_netdev+0x1d/0x30 [ 59.473104] r871xu_dev_remove+0xe7/0x223 [ 59.477243] usb_unbind_interface+0x1c9/0x980 [ 59.481832] ? usb_autoresume_device+0x60/0x60 [ 59.486407] device_release_driver_internal+0x436/0x4f0 [ 59.491766] bus_remove_device+0x302/0x5c0 [ 59.496013] device_del+0x467/0xb90 [ 59.499655] ? mark_held_locks+0x9f/0xe0 [ 59.503703] ? __device_links_no_driver+0x240/0x240 [ 59.510977] ? lockdep_hardirqs_on+0x37e/0x580 [ 59.515549] ? remove_intf_ep_devs+0x144/0x1d0 [ 59.520141] usb_disable_device+0x242/0x790 [ 59.524465] usb_disconnect+0x298/0x870 [ 59.528428] hub_event+0xcd2/0x3b00 [ 59.532069] ? mark_held_locks+0xe0/0xe0 [ 59.536121] ? hub_port_debounce+0x350/0x350 [ 59.540523] ? _raw_spin_unlock_irq+0x29/0x40 [ 59.545009] process_one_work+0x90f/0x1580 [ 59.549234] ? wq_pool_ids_show+0x300/0x300 [ 59.553543] ? do_raw_spin_lock+0x11f/0x290 [ 59.557853] worker_thread+0x7b0/0xe20 [ 59.561728] ? process_one_work+0x1580/0x1580 [ 59.566208] kthread+0x313/0x420 [ 59.569564] ? kthread_park+0x1a0/0x1a0 [ 59.573560] ret_from_fork+0x3a/0x50 [ 59.578178] Kernel Offset: disabled [ 59.581904] Rebooting in 86400 seconds..