[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. [....] Starting OpenBSD Secure Shell server: sshd[ 14.037777][ T1657] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 18.735760][ T1691] random: sshd: uninitialized urandom read (32 bytes read) [ 18.764387][ C1] random: crng init done Warning: Permanently added '10.128.10.61' (ECDSA) to the list of known hosts. executing program [ 39.344535][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 39.584495][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 39.704601][ T12] usb 1-1: config 0 has an invalid interface number: 93 but max is 0 [ 39.712811][ T12] usb 1-1: config 0 has no interface number 0 [ 39.718968][ T12] usb 1-1: New USB device found, idVendor=2019, idProduct=ed18, bcdDevice= 4.26 [ 39.728011][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 39.737629][ T12] usb 1-1: config 0 descriptor?? executing program [ 40.024572][ T12] usb 1-1: string descriptor 0 read error: -71 [ 40.033157][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 40.039868][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 40.084558][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 40.091212][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 40.098700][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 40.107705][ T12] usb 1-1: USB disconnect, device number 2 [ 40.160800][ T102] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 40.169904][ T102] usb 1-1: r8712u: Firmware request failed [ 40.175979][ T12] ------------[ cut here ]------------ [ 40.181545][ T12] WARNING: CPU: 0 PID: 12 at net/core/dev.c:8220 rollback_registered_many+0x1df/0xe00 [ 40.191062][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 40.197630][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc3+ #0 [ 40.204986][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.215034][ T12] Workqueue: usb_hub_wq hub_event [ 40.220034][ T12] Call Trace: [ 40.223307][ T12] dump_stack+0xca/0x13e [ 40.227532][ T12] ? rollback_registered_many+0x120/0xe00 [ 40.233267][ T12] panic+0x2aa/0x6e1 [ 40.237139][ T12] ? add_taint.cold+0x16/0x16 [ 40.241789][ T12] ? printk+0xba/0xed [ 40.245860][ T12] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 40.251339][ T12] ? __warn.cold+0x14/0x33 [ 40.255746][ T12] ? __warn+0xd5/0x1d0 [ 40.259800][ T12] ? rollback_registered_many+0x1df/0xe00 [ 40.265489][ T12] __warn.cold+0x2f/0x33 [ 40.269705][ T12] ? rollback_registered_many+0x1df/0xe00 [ 40.275396][ T12] report_bug+0x27b/0x2f0 [ 40.279745][ T12] do_error_trap+0x12b/0x1e0 [ 40.284317][ T12] ? rollback_registered_many+0x1df/0xe00 [ 40.290018][ T12] do_invalid_op+0x32/0x40 [ 40.294408][ T12] ? rollback_registered_many+0x1df/0xe00 [ 40.300116][ T12] invalid_op+0x23/0x30 [ 40.304249][ T12] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 40.310549][ 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 2f 48 8c fc 45 84 ff 0f 85 49 ff ff ff e8 f1 46 8c fc <0f> 0b 4c 89 e7 e8 a7 a8 31 fd 31 ff 41 89 c4 89 c6 e8 0b 48 8c fc [ 40.330212][ T12] RSP: 0018:ffff8881da227668 EFLAGS: 00010293 [ 40.336251][ T12] RAX: ffff8881da211800 RBX: ffff8881cf918000 RCX: ffffffff84b1d1b1 [ 40.344307][ T12] RDX: 0000000000000000 RSI: ffffffff84b1d1bf RDI: 0000000000000001 [ 40.352256][ T12] RBP: ffff8881da227798 R08: ffff8881da211800 R09: fffffbfff0ee9209 [ 40.360202][ T12] R10: fffffbfff0ee9208 R11: ffffffff87749047 R12: ffff8881cf918070 [ 40.368153][ T12] R13: ffff8881da227728 R14: dffffc0000000000 R15: 0000000000000000 [ 40.376111][ T12] ? rollback_registered_many+0x1d1/0xe00 [ 40.381805][ T12] ? rollback_registered_many+0x1df/0xe00 [ 40.387502][ T12] ? rollback_registered_many+0x1df/0xe00 [ 40.393205][ T12] ? generic_xdp_install+0x480/0x480 [ 40.398468][ T12] ? __mutex_lock+0x430/0x1360 [ 40.403224][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 40.408242][ T12] ? unregister_netdev+0xe/0x20 [ 40.413068][ T12] ? mark_held_locks+0x9f/0xe0 [ 40.417804][ T12] ? _raw_spin_unlock_irq+0x24/0x30 [ 40.422976][ T12] ? mutex_trylock+0x2c0/0x2c0 [ 40.427724][ T12] rollback_registered+0xf2/0x1c0 [ 40.432725][ T12] ? rollback_registered_many+0xe00/0xe00 [ 40.438425][ T12] ? wait_for_completion_interruptible+0x420/0x420 [ 40.444928][ T12] ? wake_up_q+0xf0/0xf0 [ 40.449148][ T12] unregister_netdevice_queue+0x1d7/0x2b0 [ 40.454841][ T12] unregister_netdev+0x18/0x20 [ 40.459578][ T12] r871xu_dev_remove+0xe2/0x215 [ 40.464404][ T12] usb_unbind_interface+0x1bd/0x8a0 [ 40.469587][ T12] ? usb_autoresume_device+0x60/0x60 [ 40.474848][ T12] device_release_driver_internal+0x42f/0x500 [ 40.480887][ T12] bus_remove_device+0x2dc/0x4a0 [ 40.485811][ T12] device_del+0x420/0xb20 [ 40.490154][ T12] ? __device_link_del+0x2f0/0x2f0 [ 40.495252][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 40.500508][ T12] ? remove_intf_ep_devs+0x13f/0x1d0 [ 40.505770][ T12] usb_disable_device+0x211/0x690 [ 40.510765][ T12] usb_disconnect+0x284/0x8d0 [ 40.515418][ T12] hub_event+0x16ca/0x37e0 [ 40.519807][ T12] ? hub_port_debounce+0x260/0x260 [ 40.524891][ T12] ? find_held_lock+0x2d/0x110 [ 40.529643][ T12] ? mark_held_locks+0xe0/0xe0 [ 40.534390][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 40.539914][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 40.545173][ T12] process_one_work+0x92b/0x1530 [ 40.550086][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 40.555434][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 40.560430][ T12] worker_thread+0x7ab/0xe20 [ 40.564995][ T12] ? process_one_work+0x1530/0x1530 [ 40.570173][ T12] kthread+0x318/0x420 [ 40.574223][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 40.579639][ T12] ret_from_fork+0x24/0x30 [ 40.584548][ T12] Kernel Offset: disabled [ 40.588905][ T12] Rebooting in 86400 seconds..