[info] Using makefile-style concurrent boot in runlevel 2. [ 16.855930][ 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 '10.128.10.14' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 32.137406][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 32.147297][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 32.155299][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 32.163190][ T1738] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 32.170753][ T1736] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 32.178626][ T78] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 32.507467][ T12] usb 1-1: config 0 has an invalid interface number: 76 but max is 0 [ 32.515805][ T12] usb 1-1: config 0 has no interface number 0 [ 32.522172][ T12] usb 1-1: config 0 interface 76 has no altsetting 0 [ 32.528909][ T12] usb 1-1: New USB device found, idVendor=7392, idProduct=7622, bcdDevice=fd.35 [ 32.538237][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.547723][ T1736] usb 5-1: config 0 has an invalid interface number: 76 but max is 0 [ 32.548209][ T12] usb 1-1: config 0 descriptor?? [ 32.555813][ T1736] usb 5-1: config 0 has no interface number 0 [ 32.555851][ T1736] usb 5-1: config 0 interface 76 has no altsetting 0 [ 32.555873][ T1736] usb 5-1: New USB device found, idVendor=7392, idProduct=7622, bcdDevice=fd.35 [ 32.583215][ T1736] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.591398][ T17] usb 4-1: config 0 has an invalid interface number: 76 but max is 0 [ 32.599706][ T17] usb 4-1: config 0 has no interface number 0 [ 32.605854][ T83] usb 6-1: config 0 has an invalid interface number: 76 but max is 0 [ 32.614251][ T83] usb 6-1: config 0 has no interface number 0 [ 32.615233][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.620519][ T78] usb 2-1: config 0 has an invalid interface number: 76 but max is 0 [ 32.620534][ T78] usb 2-1: config 0 has no interface number 0 [ 32.627390][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 32.648283][ T1738] usb 3-1: config 0 has an invalid interface number: 76 but max is 0 [ 32.656423][ T1738] usb 3-1: config 0 has no interface number 0 [ 32.662746][ T17] usb 4-1: config 0 interface 76 has no altsetting 0 [ 32.669619][ T17] usb 4-1: New USB device found, idVendor=7392, idProduct=7622, bcdDevice=fd.35 [ 32.678763][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.687654][ T1738] usb 3-1: config 0 interface 76 has no altsetting 0 [ 32.694367][ T1738] usb 3-1: New USB device found, idVendor=7392, idProduct=7622, bcdDevice=fd.35 [ 32.703792][ T1738] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.711983][ T83] usb 6-1: config 0 interface 76 has no altsetting 0 [ 32.719990][ T83] usb 6-1: New USB device found, idVendor=7392, idProduct=7622, bcdDevice=fd.35 [ 32.740471][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.747497][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 32.748734][ T78] usb 2-1: config 0 interface 76 has no altsetting 0 [ 32.755275][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 32.762056][ T78] usb 2-1: New USB device found, idVendor=7392, idProduct=7622, bcdDevice=fd.35 [ 32.769670][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 32.778858][ T78] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 32.795815][ T1738] usb 3-1: config 0 descriptor?? [ 32.801138][ T17] usb 4-1: config 0 descriptor?? executing program [ 32.807099][ T1736] usb 5-1: config 0 descriptor?? [ 32.809400][ T1741] usb 1-1: USB disconnect, device number 2 [ 32.816722][ T83] usb 6-1: config 0 descriptor?? [ 32.818911][ T12] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 32.832117][ T78] usb 2-1: config 0 descriptor?? [ 32.833715][ T12] usb 1-1: r8712u: Firmware request failed [ 32.838876][ T17] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.843196][ T1741] ------------[ cut here ]------------ [ 32.849874][ T17] usb 4-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 32.855574][ T1741] WARNING: CPU: 0 PID: 1741 at net/core/dev.c:8167 rollback_registered_many.cold+0x41/0x1bc [ 32.864135][ T1738] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.878441][ T1741] Kernel panic - not syncing: panic_on_warn set ... [ 32.878455][ T1741] CPU: 0 PID: 1741 Comm: kworker/0:2 Not tainted 5.3.0-rc4+ #26 [ 32.878460][ T1741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.878479][ T1741] Workqueue: usb_hub_wq hub_event [ 32.878496][ T1741] Call Trace: [ 32.878519][ T1741] dump_stack+0xca/0x13e [ 32.878531][ T1741] ? rollback_registered_many.cold+0x4/0x1bc [ 32.878545][ T1741] panic+0x2a3/0x6da [ 32.878552][ T1741] ? add_taint.cold+0x16/0x16 [ 32.878573][ T1741] ? __probe_kernel_read+0x188/0x1d0 [ 32.885281][ T1738] usb 3-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 32.892005][ T1741] ? __warn.cold+0x5/0x4a [ 32.892014][ T1741] ? __warn+0xe3/0x1e0 [ 32.892025][ T1741] ? rollback_registered_many.cold+0x41/0x1bc [ 32.892030][ T1741] __warn.cold+0x20/0x4a [ 32.892040][ T1741] ? rollback_registered_many.cold+0x41/0x1bc [ 32.892048][ T1741] report_bug+0x262/0x2a0 [ 32.892058][ T1741] do_error_trap+0x12b/0x1e0 [ 32.892066][ T1741] ? rollback_registered_many.cold+0x41/0x1bc [ 32.892082][ T1741] do_invalid_op+0x32/0x40 [ 32.903657][ T1736] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.910652][ T1741] ? rollback_registered_many.cold+0x41/0x1bc [ 32.910667][ T1741] invalid_op+0x23/0x30 [ 32.910682][ T1741] RIP: 0010:rollback_registered_many.cold+0x41/0x1bc [ 32.910694][ T1741] Code: ff e8 c7 17 90 fc 48 c7 c7 00 e8 63 86 e8 24 b8 7a fc 0f 0b e9 93 be ff ff e8 af 17 90 fc 48 c7 c7 00 e8 63 86 e8 0c b8 7a fc <0f> 0b 4c 89 e7 e8 f9 0a 34 fd 31 ff 41 89 c4 89 c6 e8 bd 18 90 fc [ 32.910701][ T1741] RSP: 0018:ffff8881d291f6a8 EFLAGS: 00010286 [ 32.915786][ T1736] usb 5-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 32.919081][ T1741] RAX: 0000000000000024 RBX: ffff8881d31f0000 RCX: 0000000000000000 [ 32.919089][ T1741] RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed103a523ec7 [ 32.919108][ T1741] RBP: ffff8881d291f7d8 R08: 0000000000000024 R09: fffffbfff11ad394 [ 32.919115][ T1741] R10: fffffbfff11ad393 R11: ffffffff88d69c9f R12: ffff8881d31f0070 [ 32.919121][ T1741] R13: ffff8881d291f768 R14: dffffc0000000000 R15: 0000000000000000 [ 32.919155][ T1741] ? vprintk_func+0x7d/0x113 [ 32.919174][ T1741] ? rollback_registered_many.cold+0x41/0x1bc [ 32.969863][ T78] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.971129][ T1741] ? generic_xdp_install+0x480/0x480 [ 32.975405][ T78] usb 2-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 32.981488][ T1741] ? __mutex_lock+0x430/0x1360 [ 32.981502][ T1741] ? do_raw_spin_lock+0x11a/0x280 [ 32.981514][ T1741] ? unregister_netdev+0xe/0x20 [ 32.981524][ T1741] ? mark_held_locks+0x9f/0xe0 [ 32.981534][ T1741] ? _raw_spin_unlock_irq+0x24/0x30 [ 32.981543][ T1741] ? mutex_trylock+0x2c0/0x2c0 [ 32.981553][ T1741] rollback_registered+0xf2/0x1c0 [ 32.981568][ T1741] ? rollback_registered_many+0xc70/0xc70 [ 32.981578][ T1741] ? wait_for_completion_interruptible+0x420/0x420 [ 32.981587][ T1741] ? wake_up_q+0xf0/0xf0 [ 32.981597][ T1741] unregister_netdevice_queue+0x1d7/0x2b0 [ 32.981606][ T1741] unregister_netdev+0x18/0x20 [ 32.981618][ T1741] r871xu_dev_remove+0xe2/0x215 [ 32.981629][ T1741] usb_unbind_interface+0x1bd/0x8a0 [ 32.981641][ T1741] ? usb_autoresume_device+0x60/0x60 [ 32.981657][ T1741] device_release_driver_internal+0x42f/0x500 [ 32.981670][ T1741] bus_remove_device+0x2dc/0x4a0 [ 32.981682][ T1741] device_del+0x420/0xb10 [ 32.981694][ T1741] ? __device_links_no_driver+0x240/0x240 [ 32.981704][ T1741] ? lockdep_hardirqs_on+0x379/0x580 [ 32.981717][ T1741] ? remove_intf_ep_devs+0x13f/0x1d0 [ 32.981729][ T1741] usb_disable_device+0x211/0x690 [ 32.981740][ T1741] usb_disconnect+0x284/0x8d0 [ 32.981751][ T1741] hub_event+0x1454/0x3640 [ 32.981763][ T1741] ? find_held_lock+0x2d/0x110 [ 32.981782][ T1741] ? mark_held_locks+0xe0/0xe0 [ 32.989383][ T83] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.990718][ T1741] ? hub_port_debounce+0x260/0x260 [ 32.996780][ T83] usb 6-1: r8712u: USB_SPEED_HIGH with 0 endpoints [ 33.001227][ T1741] process_one_work+0x92b/0x1530 [ 33.001242][ T1741] ? pwq_dec_nr_in_flight+0x310/0x310 [ 33.001252][ T1741] ? do_raw_spin_lock+0x11a/0x280 [ 33.001262][ T1741] worker_thread+0x96/0xe20 [ 33.001273][ T1741] ? process_one_work+0x1530/0x1530 [ 33.001282][ T1741] kthread+0x318/0x420 [ 33.001292][ T1741] ? kthread_create_on_node+0xf0/0xf0 [ 33.001305][ T1741] ret_from_fork+0x24/0x30 [ 33.008379][ T1741] Kernel Offset: disabled [ 33.325682][ T1741] Rebooting in 86400 seconds..