[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. [ 13.555242][ 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 '10.128.1.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.313199][ T22] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 42.673208][ T22] usb 1-1: config 0 has an invalid interface number: 39 but max is 0 [ 42.681306][ T22] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 42.691583][ T22] usb 1-1: config 0 has no interface number 0 [ 42.697684][ T22] usb 1-1: config 0 interface 39 has no altsetting 0 [ 42.704434][ T22] usb 1-1: New USB device found, idVendor=2019, idProduct=ab28, bcdDevice=da.37 [ 42.713462][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 42.722950][ T22] usb 1-1: config 0 descriptor?? executing program [ 43.003363][ T22] usb 1-1: string descriptor 0 read error: -71 [ 43.011764][ T22] r8712u: register rtl8712_netdev_ops to netdev_ops [ 43.018467][ T22] usb 1-1: r8712u: USB_SPEED_LOW with 0 endpoints [ 43.073418][ T22] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 43.080095][ T22] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 43.087855][ T22] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 43.096836][ T22] usb 1-1: USB disconnect, device number 2 [ 43.124621][ T1723] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 43.133670][ T1723] usb 1-1: r8712u: Firmware request failed [ 43.139493][ T22] ------------[ cut here ]------------ [ 43.145162][ T22] WARNING: CPU: 1 PID: 22 at net/core/dev.c:8162 rollback_registered_many.cold+0x41/0x1bc [ 43.155032][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 43.161632][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.3.0-rc2+ #25 [ 43.169068][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.179112][ T22] Workqueue: usb_hub_wq hub_event [ 43.184216][ T22] Call Trace: [ 43.187476][ T22] dump_stack+0xca/0x13e [ 43.191690][ T22] ? __dev_set_allmulti.cold+0x29/0x29 [ 43.197120][ T22] panic+0x2a3/0x6da [ 43.201002][ T22] ? add_taint.cold+0x16/0x16 [ 43.205781][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 43.211075][ T22] ? __warn.cold+0x5/0x4a [ 43.215375][ T22] ? __warn+0xe3/0x1e0 [ 43.219506][ T22] ? rollback_registered_many.cold+0x41/0x1bc [ 43.225569][ T22] __warn.cold+0x20/0x4a [ 43.229786][ T22] ? rollback_registered_many.cold+0x41/0x1bc [ 43.236016][ T22] report_bug+0x262/0x2a0 [ 43.240328][ T22] do_error_trap+0x12b/0x1e0 [ 43.244888][ T22] ? rollback_registered_many.cold+0x41/0x1bc [ 43.250921][ T22] do_invalid_op+0x32/0x40 [ 43.255364][ T22] ? rollback_registered_many.cold+0x41/0x1bc [ 43.261411][ T22] invalid_op+0x23/0x30 [ 43.265551][ T22] RIP: 0010:rollback_registered_many.cold+0x41/0x1bc [ 43.272197][ T22] Code: ff e8 f7 4c 90 fc 48 c7 c7 40 dd 63 86 e8 64 ed 7a fc 0f 0b e9 93 be ff ff e8 df 4c 90 fc 48 c7 c7 40 dd 63 86 e8 4c ed 7a fc <0f> 0b 4c 89 e7 e8 39 30 34 fd 31 ff 41 89 c4 89 c6 e8 ed 4d 90 fc [ 43.291889][ T22] RSP: 0018:ffff8881da38f6a8 EFLAGS: 00010286 [ 43.297929][ T22] RAX: 0000000000000024 RBX: ffff8881d2b90000 RCX: 0000000000000000 [ 43.305887][ T22] RDX: 0000000000000000 RSI: ffffffff8128a0fd RDI: ffffed103b471ec7 [ 43.313830][ T22] RBP: ffff8881da38f7d8 R08: 0000000000000024 R09: fffffbfff11acd94 [ 43.321788][ T22] R10: fffffbfff11acd93 R11: ffffffff88d66c9f R12: ffff8881d2b90070 [ 43.329959][ T22] R13: ffff8881da38f768 R14: dffffc0000000000 R15: 0000000000000000 [ 43.338032][ T22] ? vprintk_func+0x7d/0x113 [ 43.342616][ T22] ? rollback_registered_many.cold+0x41/0x1bc [ 43.348652][ T22] ? generic_xdp_install+0x480/0x480 [ 43.353929][ T22] ? __mutex_lock+0x430/0x1360 [ 43.358663][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 43.363670][ T22] ? unregister_netdev+0xe/0x20 [ 43.368504][ T22] ? mark_held_locks+0x9f/0xe0 [ 43.373238][ T22] ? _raw_spin_unlock_irq+0x24/0x30 [ 43.378406][ T22] ? mutex_trylock+0x2c0/0x2c0 [ 43.383141][ T22] rollback_registered+0xf2/0x1c0 [ 43.388133][ T22] ? rollback_registered_many+0xc70/0xc70 [ 43.393838][ T22] ? wait_for_completion_interruptible+0x420/0x420 [ 43.400311][ T22] ? wake_up_q+0xf0/0xf0 [ 43.404538][ T22] unregister_netdevice_queue+0x1d7/0x2b0 [ 43.410234][ T22] unregister_netdev+0x18/0x20 [ 43.414999][ T22] r871xu_dev_remove+0xe2/0x215 [ 43.419831][ T22] usb_unbind_interface+0x1bd/0x8a0 [ 43.425001][ T22] ? usb_autoresume_device+0x60/0x60 [ 43.430258][ T22] device_release_driver_internal+0x404/0x4c0 [ 43.436399][ T22] bus_remove_device+0x2dc/0x4a0 [ 43.441327][ T22] device_del+0x420/0xb10 [ 43.445639][ T22] ? __device_links_no_driver+0x240/0x240 [ 43.451351][ T22] ? lockdep_hardirqs_on+0x379/0x580 [ 43.456607][ T22] ? remove_intf_ep_devs+0x13f/0x1d0 [ 43.461881][ T22] usb_disable_device+0x211/0x690 [ 43.466888][ T22] usb_disconnect+0x284/0x8d0 [ 43.471547][ T22] hub_event+0x1454/0x3640 [ 43.475934][ T22] ? find_held_lock+0x2d/0x110 [ 43.480667][ T22] ? mark_held_locks+0xe0/0xe0 [ 43.485422][ T22] ? hub_port_debounce+0x260/0x260 [ 43.490503][ T22] process_one_work+0x92b/0x1530 [ 43.495417][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 43.500764][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 43.505770][ T22] worker_thread+0x7ab/0xe20 [ 43.510354][ T22] ? process_one_work+0x1530/0x1530 [ 43.515524][ T22] kthread+0x318/0x420 [ 43.519577][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 43.525017][ T22] ret_from_fork+0x24/0x30 [ 43.529815][ T22] Kernel Offset: disabled [ 43.534164][ T22] Rebooting in 86400 seconds..