[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 15.661492][ C1] random: crng init done [....] 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 '10.128.1.33' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 32.009765][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 32.019770][ T1758] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 32.019904][ T107] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 32.027321][ T21] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 32.042587][ T17] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 32.050493][ T1756] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 32.249786][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 32.269904][ T107] usb 4-1: Using ep0 maxpacket: 16 [ 32.309855][ T1758] usb 5-1: Using ep0 maxpacket: 16 [ 32.315182][ T1756] usb 3-1: Using ep0 maxpacket: 16 [ 32.320511][ T17] usb 2-1: Using ep0 maxpacket: 16 [ 32.325781][ T21] usb 6-1: Using ep0 maxpacket: 16 [ 32.379950][ T12] usb 1-1: config 8 has an invalid interface number: 157 but max is 0 [ 32.388262][ T12] usb 1-1: config 8 has no interface number 0 [ 32.394642][ T12] usb 1-1: config 8 interface 157 altsetting 48 bulk endpoint 0x9 has invalid maxpacket 9 [ 32.404645][ T12] usb 1-1: config 8 interface 157 altsetting 48 endpoint 0x8 has invalid maxpacket 1243, setting to 1024 [ 32.415895][ T12] usb 1-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.426612][ T12] usb 1-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.429968][ T1758] usb 5-1: config 8 has an invalid interface number: 157 but max is 0 [ 32.437337][ T12] usb 1-1: config 8 interface 157 altsetting 48 has a duplicate endpoint with address 0xB, skipping [ 32.445573][ T1758] usb 5-1: config 8 has no interface number 0 [ 32.456296][ T12] usb 1-1: config 8 interface 157 has no altsetting 0 [ 32.456371][ T107] usb 4-1: config 8 has an invalid interface number: 157 but max is 0 [ 32.463088][ T17] usb 2-1: config 8 has an invalid interface number: 157 but max is 0 [ 32.469205][ T107] usb 4-1: config 8 has no interface number 0 [ 32.469317][ T107] usb 4-1: config 8 interface 157 altsetting 48 bulk endpoint 0x9 has invalid maxpacket 9 [ 32.477480][ T17] usb 2-1: config 8 has no interface number 0 [ 32.485604][ T107] usb 4-1: config 8 interface 157 altsetting 48 endpoint 0x8 has invalid maxpacket 1243, setting to 1024 [ 32.492211][ T1756] usb 3-1: config 8 has an invalid interface number: 157 but max is 0 [ 32.501588][ T107] usb 4-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.501607][ T107] usb 4-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.507668][ T1756] usb 3-1: config 8 has no interface number 0 [ 32.518966][ T107] usb 4-1: config 8 interface 157 altsetting 48 has a duplicate endpoint with address 0xB, skipping [ 32.527194][ T21] usb 6-1: config 8 has an invalid interface number: 157 but max is 0 [ 32.537871][ T107] usb 4-1: config 8 interface 157 has no altsetting 0 [ 32.580510][ T21] usb 6-1: config 8 has no interface number 0 [ 32.586935][ T17] usb 2-1: config 8 interface 157 altsetting 48 bulk endpoint 0x9 has invalid maxpacket 9 [ 32.596889][ T17] usb 2-1: config 8 interface 157 altsetting 48 endpoint 0x8 has invalid maxpacket 1243, setting to 1024 [ 32.608128][ T17] usb 2-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.618835][ T17] usb 2-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.629542][ T17] usb 2-1: config 8 interface 157 altsetting 48 has a duplicate endpoint with address 0xB, skipping [ 32.640479][ T17] usb 2-1: config 8 interface 157 has no altsetting 0 [ 32.647325][ T1758] usb 5-1: config 8 interface 157 altsetting 48 bulk endpoint 0x9 has invalid maxpacket 9 [ 32.657252][ T1758] usb 5-1: config 8 interface 157 altsetting 48 endpoint 0x8 has invalid maxpacket 1243, setting to 1024 [ 32.668501][ T1758] usb 5-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.679271][ T1758] usb 5-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.689983][ T1758] usb 5-1: config 8 interface 157 altsetting 48 has a duplicate endpoint with address 0xB, skipping [ 32.700769][ T1758] usb 5-1: config 8 interface 157 has no altsetting 0 [ 32.707567][ T1756] usb 3-1: config 8 interface 157 altsetting 48 bulk endpoint 0x9 has invalid maxpacket 9 [ 32.717607][ T1756] usb 3-1: config 8 interface 157 altsetting 48 endpoint 0x8 has invalid maxpacket 1243, setting to 1024 [ 32.729385][ T1756] usb 3-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.740095][ T1756] usb 3-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.750984][ T1756] usb 3-1: config 8 interface 157 altsetting 48 has a duplicate endpoint with address 0xB, skipping [ 32.761776][ T1756] usb 3-1: config 8 interface 157 has no altsetting 0 [ 32.768615][ T21] usb 6-1: config 8 interface 157 altsetting 48 bulk endpoint 0x9 has invalid maxpacket 9 [ 32.778553][ T21] usb 6-1: config 8 interface 157 altsetting 48 endpoint 0x8 has invalid maxpacket 1243, setting to 1024 [ 32.789976][ T21] usb 6-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.803868][ T21] usb 6-1: config 8 interface 157 altsetting 48 has an invalid endpoint with address 0x0, skipping [ 32.814679][ T21] usb 6-1: config 8 interface 157 altsetting 48 has a duplicate endpoint with address 0xB, skipping [ 32.819813][ T12] usb 1-1: string descriptor 0 read error: -22 [ 32.825580][ T21] usb 6-1: config 8 interface 157 has no altsetting 0 [ 32.839030][ T107] usb 4-1: string descriptor 0 read error: -22 [ 32.845475][ T12] usb 1-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=3e.f2 [ 32.854700][ T12] usb 1-1: New USB device strings: Mfr=64, Product=128, SerialNumber=6 [ 32.863027][ T107] usb 4-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=3e.f2 [ 32.872124][ T107] usb 4-1: New USB device strings: Mfr=64, Product=128, SerialNumber=6 [ 32.923560][ T107] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.930338][ T107] usb 4-1: r8712u: USB_SPEED_HIGH with 5 endpoints [ 32.938169][ T12] r8712u: register rtl8712_netdev_ops to netdev_ops [ 32.944839][ T12] usb 1-1: r8712u: USB_SPEED_HIGH with 5 endpoints [ 33.050119][ T107] usb 4-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.056754][ T107] usb 4-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.064256][ T107] usb 4-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.071974][ T12] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.078559][ T12] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.079799][ T1756] usb 3-1: string descriptor 0 read error: -22 [ 33.086078][ T12] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.092401][ T21] usb 6-1: string descriptor 0 read error: -22 [ 33.107263][ T17] usb 2-1: string descriptor 0 read error: -22 [ 33.113538][ T1758] usb 5-1: string descriptor 0 read error: -22 [ 33.113874][ T107] usb 4-1: USB disconnect, device number 2 [ 33.131136][ T12] usb 1-1: USB disconnect, device number 2 [ 33.135912][ T17] usb 2-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=3e.f2 executing program executing program [ 33.146160][ T17] usb 2-1: New USB device strings: Mfr=64, Product=128, SerialNumber=6 [ 33.155125][ T1758] usb 5-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=3e.f2 [ 33.164317][ T1758] usb 5-1: New USB device strings: Mfr=64, Product=128, SerialNumber=6 [ 33.173232][ T1763] usb 4-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 33.173390][ T1756] usb 3-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=3e.f2 [ 33.182400][ T1763] usb 4-1: r8712u: Firmware request failed [ 33.191233][ T1756] usb 3-1: New USB device strings: Mfr=64, Product=128, SerialNumber=6 [ 33.191515][ T21] usb 6-1: New USB device found, idVendor=0bda, idProduct=8172, bcdDevice=3e.f2 [ 33.197319][ T5] usb 1-1: r8712u: Firmware request failed [ 33.205543][ T21] usb 6-1: New USB device strings: Mfr=64, Product=128, SerialNumber=6 [ 33.214849][ T107] WARNING: CPU: 0 PID: 107 at net/core/dev.c:8172 rollback_registered_many+0x1df/0xe00 [ 33.238395][ T107] Kernel panic - not syncing: panic_on_warn set ... [ 33.244997][ T107] CPU: 0 PID: 107 Comm: kworker/0:2 Not tainted 5.2.0-rc6+ #13 [ 33.252531][ T107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.262178][ T1758] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.262590][ T107] Workqueue: usb_hub_wq hub_event [ 33.269175][ T1758] usb 5-1: r8712u: USB_SPEED_HIGH with 5 endpoints [ 33.274290][ T107] Call Trace: [ 33.274308][ T107] dump_stack+0xca/0x13e [ 33.274318][ T107] ? rollback_registered_many+0x180/0xe00 [ 33.274326][ T107] panic+0x292/0x6c9 [ 33.274332][ T107] ? __warn_printk+0xf3/0xf3 [ 33.274343][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.274353][ T107] ? __probe_kernel_read+0x16c/0x1b0 [ 33.274358][ T107] ? __warn.cold+0x5/0x4b [ 33.274370][ T107] ? __warn+0xe4/0x1c0 [ 33.283633][ T17] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.284175][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.288417][ T17] usb 2-1: r8712u: USB_SPEED_HIGH with 5 endpoints [ 33.294123][ T107] __warn.cold+0x20/0x4b [ 33.294138][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.294158][ T107] report_bug+0x262/0x2a0 [ 33.294170][ T107] do_error_trap+0x12b/0x1e0 [ 33.294181][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.294190][ T107] do_invalid_op+0x32/0x40 [ 33.294207][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.300724][ T1756] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.302698][ T107] invalid_op+0x14/0x20 [ 33.308398][ T1756] usb 3-1: r8712u: USB_SPEED_HIGH with 5 endpoints [ 33.313666][ T107] RIP: 0010:rollback_registered_many+0x1df/0xe00 [ 33.313680][ T107] 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 8f 11 8b fc 45 84 ff 0f 85 49 ff ff ff e8 51 10 8b fc <0f> 0b 4c 89 e7 e8 57 02 2d fd 31 ff 41 89 c4 89 c6 e8 6b 11 8b fc [ 33.313687][ T107] RSP: 0018:ffff8881d42876a8 EFLAGS: 00010293 [ 33.313697][ T107] RAX: ffff8881d7b51800 RBX: ffff8881cf550000 RCX: ffffffff84b1cb51 [ 33.313703][ T107] RDX: 0000000000000000 RSI: ffffffff84b1cb5f RDI: 0000000000000001 [ 33.313711][ T107] RBP: ffff8881d42877d8 R08: ffff8881d7b51800 R09: fffffbfff0f2f0bd [ 33.313717][ T107] R10: fffffbfff0f2f0bc R11: ffffffff879785e7 R12: ffff8881cf550070 [ 33.313724][ T107] R13: ffff8881d4287768 R14: dffffc0000000000 R15: 0000000000000000 [ 33.313736][ T107] ? rollback_registered_many+0x1d1/0xe00 [ 33.313746][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.313763][ T107] ? rollback_registered_many+0x1df/0xe00 [ 33.335165][ T21] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.340971][ T107] ? generic_xdp_install+0x480/0x480 [ 33.340988][ T107] ? __mutex_lock+0x3a2/0x12b0 [ 33.341000][ T107] ? unregister_netdev+0xe/0x20 [ 33.341014][ T107] ? mark_held_locks+0x9f/0xe0 [ 33.341025][ T107] ? _raw_spin_unlock_irq+0x24/0x30 [ 33.341037][ T107] ? mutex_trylock+0x1a0/0x1a0 [ 33.341047][ T107] rollback_registered+0xf2/0x1c0 [ 33.341059][ T107] ? rollback_registered_many+0xe00/0xe00 [ 33.341071][ T107] ? wait_for_completion_interruptible+0x410/0x410 [ 33.341081][ T107] ? _raw_spin_unlock_irq+0x24/0x30 [ 33.341099][ T107] ? wake_up_q+0xf0/0xf0 [ 33.345346][ T21] usb 6-1: r8712u: USB_SPEED_HIGH with 5 endpoints [ 33.351043][ T107] unregister_netdevice_queue+0x1d7/0x2b0 [ 33.351054][ T107] unregister_netdev+0x18/0x20 [ 33.351068][ T107] r871xu_dev_remove+0xe2/0x215 [ 33.351081][ T107] usb_unbind_interface+0x1bd/0x8a0 [ 33.351092][ T107] ? usb_autoresume_device+0x60/0x60 [ 33.351106][ T107] device_release_driver_internal+0x404/0x4c0 [ 33.351124][ T107] bus_remove_device+0x2dc/0x4a0 [ 33.440831][ T1752] usb-fuzzer-gadget dummy_udc.5: unregistering UDC driver [USB fuzzer] [ 33.441044][ T107] device_del+0x460/0xb80 [ 33.441057][ T107] ? __device_links_no_driver+0x240/0x240 [ 33.441079][ T107] ? usb_remove_ep_devs+0x3e/0x80 [ 33.441089][ T107] ? remove_intf_ep_devs+0x13f/0x1d0 [ 33.449279][ T1752] dummy_hcd dummy_hcd.5: port status 0x00010100 has changes [ 33.457110][ T107] usb_disable_device+0x211/0x690 [ 33.465276][ C1] dummy_hcd dummy_hcd.5: no ep configured for urb 00000000bc86c5e3 [ 33.470840][ T107] usb_disconnect+0x284/0x830 [ 33.478529][ T1757] usb-fuzzer-gadget dummy_udc.2: unregistering UDC driver [USB fuzzer] [ 33.482282][ T107] hub_event+0x1409/0x3590 [ 33.482297][ T107] ? hub_port_debounce+0x260/0x260 [ 33.482312][ T107] process_one_work+0x905/0x1570 [ 33.482324][ T107] ? pwq_dec_nr_in_flight+0x310/0x310 [ 33.482337][ T107] ? do_raw_spin_lock+0x11a/0x280 [ 33.482349][ T107] worker_thread+0x7ab/0xe20 [ 33.482368][ T107] ? process_one_work+0x1570/0x1570 [ 33.490528][ T21] usb 6-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.494226][ T107] kthread+0x30b/0x410 [ 33.498969][ T21] usb 6-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.503831][ T107] ? kthread_park+0x1a0/0x1a0 [ 33.503846][ T107] ret_from_fork+0x24/0x30 [ 33.508916][ T107] Kernel Offset: disabled [ 33.717744][ T107] Rebooting in 86400 seconds..