INIT: Entering runlevel: 2 [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[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.215' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 32.106310][ T81] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 32.106953][ T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 32.114250][ T17] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 32.129807][ T95] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 32.137624][ T1810] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 32.145267][ T1808] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 32.206561][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 32.216476][ T81] usb 3-1: Using ep0 maxpacket: 16 [ 32.226321][ T1810] usb 4-1: Using ep0 maxpacket: 16 [ 32.236453][ T1808] usb 2-1: Using ep0 maxpacket: 16 [ 32.241915][ T95] usb 5-1: Using ep0 maxpacket: 16 [ 32.247232][ T17] usb 6-1: Using ep0 maxpacket: 16 [ 32.376305][ T81] usb 3-1: unable to get BOS descriptor or descriptor too short [ 32.386348][ T1810] usb 4-1: unable to get BOS descriptor or descriptor too short [ 32.386631][ T94] usb 1-1: unable to get BOS descriptor or descriptor too short [ 32.396689][ T1808] usb 2-1: unable to get BOS descriptor or descriptor too short [ 32.409916][ T95] usb 5-1: unable to get BOS descriptor or descriptor too short [ 32.417691][ T17] usb 6-1: unable to get BOS descriptor or descriptor too short [ 32.456399][ T81] usb 3-1: config 73 has an invalid interface number: 79 but max is 0 [ 32.464750][ T81] usb 3-1: config 73 has no interface number 0 [ 32.471243][ T1810] usb 4-1: config 73 has an invalid interface number: 79 but max is 0 [ 32.479508][ T1810] usb 4-1: config 73 has no interface number 0 [ 32.485947][ T1810] usb 4-1: config 73 interface 79 altsetting 138 endpoint 0xA has invalid maxpacket 1023, setting to 64 [ 32.497327][ T1810] usb 4-1: config 73 interface 79 altsetting 138 endpoint 0x3 has invalid maxpacket 1023, setting to 64 [ 32.507287][ T94] usb 1-1: config 73 has an invalid interface number: 79 but max is 0 [ 32.508512][ T1810] usb 4-1: config 73 interface 79 altsetting 138 endpoint 0x8F has invalid maxpacket 512, setting to 64 [ 32.516705][ T94] usb 1-1: config 73 has no interface number 0 [ 32.517293][ T94] usb 1-1: config 73 interface 79 altsetting 138 endpoint 0xA has invalid maxpacket 1023, setting to 64 [ 32.528036][ T1810] usb 4-1: config 73 interface 79 altsetting 138 endpoint 0x5 has invalid maxpacket 512, setting to 64 [ 32.528053][ T1810] usb 4-1: config 73 interface 79 altsetting 138 has a duplicate endpoint with address 0x5, skipping [ 32.528073][ T1810] usb 4-1: config 73 interface 79 altsetting 138 endpoint 0xD has invalid maxpacket 959, setting to 64 [ 32.534261][ T94] usb 1-1: config 73 interface 79 altsetting 138 endpoint 0x3 has invalid maxpacket 1023, setting to 64 [ 32.545518][ T1810] usb 4-1: config 73 interface 79 has no altsetting 0 [ 32.556619][ T94] usb 1-1: config 73 interface 79 altsetting 138 endpoint 0x8F has invalid maxpacket 512, setting to 64 [ 32.567784][ T1808] usb 2-1: config 73 has an invalid interface number: 79 but max is 0 [ 32.578814][ T94] usb 1-1: config 73 interface 79 altsetting 138 endpoint 0x5 has invalid maxpacket 512, setting to 64 [ 32.589985][ T1808] usb 2-1: config 73 has no interface number 0 [ 32.596810][ T94] usb 1-1: config 73 interface 79 altsetting 138 has a duplicate endpoint with address 0x5, skipping [ 32.608022][ T17] usb 6-1: config 73 has an invalid interface number: 79 but max is 0 [ 32.616096][ T94] usb 1-1: config 73 interface 79 altsetting 138 endpoint 0xD has invalid maxpacket 959, setting to 64 [ 32.627449][ T17] usb 6-1: config 73 has no interface number 0 [ 32.633567][ T94] usb 1-1: config 73 interface 79 has no altsetting 0 [ 32.644897][ T95] usb 5-1: config 73 has an invalid interface number: 79 but max is 0 [ 32.685507][ T95] usb 5-1: config 73 has no interface number 0 [ 32.691732][ T81] usb 3-1: config 73 interface 79 altsetting 138 endpoint 0xA has invalid maxpacket 1023, setting to 64 [ 32.702888][ T81] usb 3-1: config 73 interface 79 altsetting 138 endpoint 0x3 has invalid maxpacket 1023, setting to 64 [ 32.714088][ T81] usb 3-1: config 73 interface 79 altsetting 138 endpoint 0x8F has invalid maxpacket 512, setting to 64 [ 32.725249][ T81] usb 3-1: config 73 interface 79 altsetting 138 endpoint 0x5 has invalid maxpacket 512, setting to 64 [ 32.736446][ T81] usb 3-1: config 73 interface 79 altsetting 138 has a duplicate endpoint with address 0x5, skipping [ 32.747346][ T81] usb 3-1: config 73 interface 79 altsetting 138 endpoint 0xD has invalid maxpacket 959, setting to 64 [ 32.758442][ T81] usb 3-1: config 73 interface 79 has no altsetting 0 [ 32.765257][ T17] usb 6-1: config 73 interface 79 altsetting 138 endpoint 0xA has invalid maxpacket 1023, setting to 64 [ 32.776436][ T17] usb 6-1: config 73 interface 79 altsetting 138 endpoint 0x3 has invalid maxpacket 1023, setting to 64 [ 32.787616][ T17] usb 6-1: config 73 interface 79 altsetting 138 endpoint 0x8F has invalid maxpacket 512, setting to 64 [ 32.798801][ T17] usb 6-1: config 73 interface 79 altsetting 138 endpoint 0x5 has invalid maxpacket 512, setting to 64 [ 32.810039][ T17] usb 6-1: config 73 interface 79 altsetting 138 has a duplicate endpoint with address 0x5, skipping [ 32.821293][ T17] usb 6-1: config 73 interface 79 altsetting 138 endpoint 0xD has invalid maxpacket 959, setting to 64 [ 32.832463][ T17] usb 6-1: config 73 interface 79 has no altsetting 0 [ 32.839356][ T1808] usb 2-1: config 73 interface 79 altsetting 138 endpoint 0xA has invalid maxpacket 1023, setting to 64 [ 32.851046][ T1808] usb 2-1: config 73 interface 79 altsetting 138 endpoint 0x3 has invalid maxpacket 1023, setting to 64 [ 32.862220][ T1808] usb 2-1: config 73 interface 79 altsetting 138 endpoint 0x8F has invalid maxpacket 512, setting to 64 [ 32.873637][ T1808] usb 2-1: config 73 interface 79 altsetting 138 endpoint 0x5 has invalid maxpacket 512, setting to 64 [ 32.884751][ T1808] usb 2-1: config 73 interface 79 altsetting 138 has a duplicate endpoint with address 0x5, skipping [ 32.895654][ T1808] usb 2-1: config 73 interface 79 altsetting 138 endpoint 0xD has invalid maxpacket 959, setting to 64 [ 32.906749][ T1808] usb 2-1: config 73 interface 79 has no altsetting 0 [ 32.913566][ T95] usb 5-1: config 73 interface 79 altsetting 138 endpoint 0xA has invalid maxpacket 1023, setting to 64 [ 32.917195][ T94] usb 1-1: string descriptor 0 read error: -22 [ 32.924840][ T95] usb 5-1: config 73 interface 79 altsetting 138 endpoint 0x3 has invalid maxpacket 1023, setting to 64 [ 32.924861][ T95] usb 5-1: config 73 interface 79 altsetting 138 endpoint 0x8F has invalid maxpacket 512, setting to 64 [ 32.931684][ T94] usb 1-1: New USB device found, idVendor=0bda, idProduct=8174, bcdDevice=9d.75 [ 32.942322][ T95] usb 5-1: config 73 interface 79 altsetting 138 endpoint 0x5 has invalid maxpacket 512, setting to 64 [ 32.942341][ T95] usb 5-1: config 73 interface 79 altsetting 138 has a duplicate endpoint with address 0x5, skipping [ 32.942360][ T95] usb 5-1: config 73 interface 79 altsetting 138 endpoint 0xD has invalid maxpacket 959, setting to 64 [ 32.953546][ T94] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 32.962586][ T95] usb 5-1: config 73 interface 79 has no altsetting 0 [ 33.019443][ T94] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.026359][ T94] usb 1-1: r8712u: USB_SPEED_HIGH with 8 endpoints [ 33.136261][ T94] usb 1-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.143034][ T94] usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.150742][ T94] usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" executing program [ 33.178813][ T94] usb 1-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 33.187967][ T94] usb 1-1: r8712u: Firmware request failed [ 33.217831][ T94] usb 1-1: USB disconnect, device number 2 [ 33.246416][ T81] usb 3-1: string descriptor 0 read error: -22 [ 33.253729][ T17] usb 6-1: string descriptor 0 read error: -22 [ 33.260250][ T95] usb 5-1: string descriptor 0 read error: -22 [ 33.266520][ T1810] usb 4-1: string descriptor 0 read error: -22 [ 33.272842][ T1810] usb 4-1: New USB device found, idVendor=0bda, idProduct=8174, bcdDevice=9d.75 [ 33.282073][ T1810] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 33.290149][ T1808] usb 2-1: string descriptor 0 read error: -22 [ 33.296608][ T1808] usb 2-1: New USB device found, idVendor=0bda, idProduct=8174, bcdDevice=9d.75 [ 33.305811][ T1808] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 33.314296][ T95] usb 5-1: New USB device found, idVendor=0bda, idProduct=8174, bcdDevice=9d.75 [ 33.323731][ T95] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 33.332827][ T17] usb 6-1: New USB device found, idVendor=0bda, idProduct=8174, bcdDevice=9d.75 [ 33.342002][ T17] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 33.350101][ T81] usb 3-1: New USB device found, idVendor=0bda, idProduct=8174, bcdDevice=9d.75 [ 33.359283][ T81] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 33.408624][ T1810] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.415266][ T1810] usb 4-1: r8712u: USB_SPEED_HIGH with 8 endpoints [ 33.424317][ T1808] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.431036][ T1808] usb 2-1: r8712u: USB_SPEED_HIGH with 8 endpoints [ 33.440028][ T17] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.447004][ T17] usb 6-1: r8712u: USB_SPEED_HIGH with 8 endpoints [ 33.455732][ T81] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.462436][ T81] usb 3-1: r8712u: USB_SPEED_HIGH with 8 endpoints [ 33.471280][ T95] r8712u: register rtl8712_netdev_ops to netdev_ops [ 33.478004][ T95] usb 5-1: r8712u: USB_SPEED_HIGH with 8 endpoints [ 33.576422][ T1810] usb 4-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.583114][ T1810] usb 4-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.590864][ T1810] usb 4-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.598704][ T1808] usb 2-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.605352][ T1808] usb 2-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.606222][ T94] usb 1-1: new high-speed USB device number 3 using dummy_hcd executing program executing program executing program executing program executing program [ 33.612877][ T1808] usb 2-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.629316][ T81] usb 3-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.636050][ T81] usb 3-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.644158][ T81] usb 3-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.652231][ T17] usb 6-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.658926][ T17] usb 6-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.666524][ T17] usb 6-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.674501][ T95] usb 5-1: r8712u: Boot from EFUSE: Autoload Failed [ 33.681310][ T95] usb 5-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00 [ 33.688838][ T95] usb 5-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin" [ 33.708773][ T17] usb 6-1: USB disconnect, device number 2 [ 33.716288][ T1810] usb 4-1: USB disconnect, device number 2 [ 33.724193][ T81] usb 3-1: USB disconnect, device number 2 [ 33.730423][ T95] usb 5-1: USB disconnect, device number 2 [ 33.743232][ T1808] usb 2-1: USB disconnect, device number 2 [ 33.752951][ T1813] usb 4-1: Direct firmware load for rtlwifi/rtl8712u.bin failed with error -2 [ 33.756383][ T94] usb 1-1: Using ep0 maxpacket: 16 [ 33.762229][ T1813] usb 4-1: r8712u: Firmware request failed [ 33.773431][ T1810] ------------[ cut here ]------------ [ 33.778988][ T1810] WARNING: CPU: 1 PID: 1810 at net/core/dev.c:8774 rollback_registered_many+0x1ed/0xec0 [ 33.789653][ T1810] Kernel panic - not syncing: panic_on_warn set ... [ 33.796263][ T1810] CPU: 1 PID: 1810 Comm: kworker/1:4 Not tainted 5.6.0-rc3-syzkaller #0 [ 33.804814][ T1810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.814930][ T1810] Workqueue: usb_hub_wq hub_event [ 33.819958][ T1810] Call Trace: [ 33.823271][ T1810] dump_stack+0xef/0x16e [ 33.827518][ T1810] ? rollback_registered_many+0x170/0xec0 [ 33.833343][ T1810] panic+0x2aa/0x6e1 [ 33.837232][ T1810] ? add_taint.cold+0x16/0x16 [ 33.841958][ T1810] ? printk+0xba/0xed [ 33.846072][ T1810] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 33.851550][ T1810] ? __warn.cold+0x14/0x30 [ 33.855959][ T1810] ? __warn+0xd5/0x1c8 [ 33.860028][ T1810] ? rollback_registered_many+0x1ed/0xec0 [ 33.865774][ T1810] __warn.cold+0x2f/0x30 [ 33.870128][ T1810] ? rollback_registered_many+0x1ed/0xec0 [ 33.876353][ T1810] report_bug+0x27b/0x2f0 [ 33.881054][ T1810] do_error_trap+0x12b/0x1e0 [ 33.885645][ T1810] ? rollback_registered_many+0x1ed/0xec0 [ 33.892677][ T1810] do_invalid_op+0x32/0x40 [ 33.897291][ T1810] ? rollback_registered_many+0x1ed/0xec0 [ 33.903008][ T1810] invalid_op+0x23/0x30 [ 33.907177][ T1810] RIP: 0010:rollback_registered_many+0x1ed/0xec0 [ 33.913508][ T1810] Code: 05 00 00 31 ff 44 89 fe e8 c0 81 79 fc 45 84 ff 0f 85 49 ff ff ff e8 82 80 79 fc 0f 1f 44 00 00 e8 78 80 79 fc e8 73 80 79 fc <0f> 0b 48 89 ef e8 79 d3 24 fd 31 ff 89 c5 89 c6 e8 8e 81 79 fc 40 [ 33.933756][ T1810] RSP: 0018:ffff8881cda77640 EFLAGS: 00010293 [ 33.940101][ T1810] RAX: ffff8881cf3d6200 RBX: ffff8881c7748000 RCX: ffffffff84c5dc60 [ 33.948359][ T1810] RDX: 0000000000000000 RSI: ffffffff84c5dc7d RDI: 0000000000000001 [ 33.956613][ T1810] RBP: ffff8881c7748068 R08: ffff8881cf3d6200 R09: fffffbfff0f870a5 [ 33.964579][ T1810] R10: fffffbfff0f870a4 R11: ffffffff87c38527 R12: ffff8881cda77788 [ 33.972557][ T1810] R13: dffffc0000000000 R14: ffff8881cda77720 R15: 0000000000000000 [ 33.980527][ T1810] ? rollback_registered_many+0x1d0/0xec0 [ 33.986342][ T1810] ? rollback_registered_many+0x1ed/0xec0 [ 33.992062][ T1810] ? unregister_netdev+0xe/0x20 [ 33.996902][ T1810] ? netif_set_real_num_tx_queues+0x710/0x710 [ 34.002973][ T1810] ? __mutex_lock+0x42b/0x1360 [ 34.008107][ T1810] ? do_raw_spin_lock+0x129/0x290 [ 34.013136][ T1810] ? unregister_netdev+0xe/0x20 [ 34.018519][ T1810] ? mark_held_locks+0x9f/0xe0 [ 34.023367][ T1810] ? _raw_spin_unlock_irq+0x1f/0x30 [ 34.028691][ T1810] ? mutex_trylock+0x2c0/0x2c0 [ 34.033595][ T1810] rollback_registered+0xf2/0x1c0 [ 34.038607][ T1810] ? rollback_registered_many+0xec0/0xec0 [ 34.044711][ T1810] ? wait_for_completion_interruptible+0x420/0x420 [ 34.051204][ T1810] ? wake_up_q+0x140/0x140 [ 34.055617][ T1810] unregister_netdevice_queue+0x1d7/0x2b0 [ 34.061385][ T1810] unregister_netdev+0x18/0x20 [ 34.066148][ T1810] r871xu_dev_remove+0xe2/0x215 [ 34.071006][ T1810] usb_unbind_interface+0x1bd/0x8a0 [ 34.076331][ T1810] ? __pm_runtime_idle+0xd1/0x310 [ 34.081343][ T1810] ? usb_autoresume_device+0x60/0x60 [ 34.086706][ T1810] device_release_driver_internal+0x42f/0x500 [ 34.092794][ T1810] bus_remove_device+0x2eb/0x5a0 [ 34.097844][ T1810] device_del+0x481/0xd30 [ 34.102191][ T1810] ? device_create_with_groups+0x120/0x120 [ 34.108443][ T1810] ? usb_remove_ep_devs+0x3e/0x80 [ 34.113473][ T1810] ? remove_intf_ep_devs+0x13f/0x1d0 [ 34.118814][ T1810] usb_disable_device+0x23d/0x790 [ 34.123881][ T1810] usb_disconnect+0x293/0x900 [ 34.128561][ T1810] hub_event+0x1a1d/0x4300 [ 34.133006][ T1810] ? hub_port_debounce+0x350/0x350 [ 34.138137][ T1810] ? find_held_lock+0x2d/0x110 [ 34.142903][ T1810] ? mark_held_locks+0xe0/0xe0 [ 34.147696][ T1810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 34.153235][ T1810] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 34.158520][ T1810] process_one_work+0x94b/0x1620 [ 34.163458][ T1810] ? __wake_up_common+0x650/0x650 [ 34.168527][ T1810] ? pwq_dec_nr_in_flight+0x310/0x310 [ 34.173899][ T1810] worker_thread+0x7ab/0xe20 [ 34.178911][ T1810] ? process_one_work+0x1620/0x1620 [ 34.184103][ T1810] kthread+0x318/0x420 [ 34.188347][ T1810] ? kthread_create_on_node+0xf0/0xf0 [ 34.193719][ T1810] ret_from_fork+0x24/0x30 [ 34.198955][ T1810] Kernel Offset: disabled [ 34.203698][ T1810] Rebooting in 86400 seconds..