[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 syzkaller login: [ 27.336958][ T1747] can: request_module (can-proto-0) failed. [ 27.433197][ T1747] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. 2019/11/20 23:35:53 parsed 1 programs 2019/11/20 23:35:53 executed programs: 0 [ 34.254796][ T1866] cgroup1: Unknown subsys name 'perf_event' [ 34.255443][ T1868] cgroup1: Unknown subsys name 'perf_event' [ 34.263499][ T1869] cgroup1: Unknown subsys name 'perf_event' [ 34.267976][ T1871] cgroup1: Unknown subsys name 'perf_event' [ 34.274424][ T1866] cgroup1: Unknown subsys name 'net_cls' [ 34.283230][ T1868] cgroup1: Unknown subsys name 'net_cls' [ 34.285332][ T1869] cgroup1: Unknown subsys name 'net_cls' [ 34.291620][ T1873] cgroup1: Unknown subsys name 'perf_event' [ 34.303523][ T1871] cgroup1: Unknown subsys name 'net_cls' [ 34.316701][ T1877] cgroup1: Unknown subsys name 'perf_event' [ 34.323093][ T1877] cgroup1: Unknown subsys name 'net_cls' [ 34.325865][ T1873] cgroup1: Unknown subsys name 'net_cls' [ 37.550040][ T83] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 37.560028][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 37.610018][ T17] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 37.640029][ T2854] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 37.670034][ T102] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 37.680161][ T1748] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 37.790030][ T83] usb 6-1: Using ep0 maxpacket: 32 [ 37.810026][ T12] usb 1-1: Using ep0 maxpacket: 32 [ 37.850177][ T17] usb 3-1: Using ep0 maxpacket: 32 [ 37.880025][ T2854] usb 5-1: Using ep0 maxpacket: 32 [ 37.910037][ T102] usb 4-1: Using ep0 maxpacket: 32 [ 37.910223][ T83] usb 6-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.923635][ T83] usb 6-1: config 0 has no interface number 0 [ 37.929879][ T83] usb 6-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.939009][ T83] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.940071][ T1748] usb 2-1: Using ep0 maxpacket: 32 [ 37.951927][ T83] usb 6-1: config 0 descriptor?? [ 37.955909][ T12] usb 1-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.965381][ T12] usb 1-1: config 0 has no interface number 0 [ 37.972509][ T12] usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 37.980152][ T17] usb 3-1: config 0 has an invalid interface number: 15 but max is 0 [ 37.981692][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 37.987889][ T12] usb 1-1: config 0 descriptor?? [ 37.989886][ T17] usb 3-1: config 0 has no interface number 0 [ 37.993956][ T17] usb 3-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 38.018907][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.027070][ T2854] usb 5-1: config 0 has an invalid interface number: 15 but max is 0 [ 38.035182][ T2854] usb 5-1: config 0 has no interface number 0 [ 38.042818][ T2854] usb 5-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 38.051897][ T2854] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.060312][ T102] usb 4-1: config 0 has an invalid interface number: 15 but max is 0 [ 38.062573][ T2854] usb 5-1: config 0 descriptor?? [ 38.068386][ T102] usb 4-1: config 0 has no interface number 0 [ 38.073846][ T17] usb 3-1: config 0 descriptor?? [ 38.086116][ T102] usb 4-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 38.095334][ T102] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.104799][ T102] usb 4-1: config 0 descriptor?? [ 38.110292][ T1748] usb 2-1: config 0 has an invalid interface number: 15 but max is 0 [ 38.118481][ T1748] usb 2-1: config 0 has no interface number 0 [ 38.124921][ T1748] usb 2-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87 [ 38.134096][ T1748] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 38.146334][ T1748] usb 2-1: config 0 descriptor?? [ 38.200322][ T83] hso 6-1:0.15: Can't find BULK IN endpoint [ 38.206579][ T83] ------------[ cut here ]------------ [ 38.212438][ T83] WARNING: CPU: 1 PID: 83 at net/core/dev.c:8167 rollback_registered_many.cold+0x41/0x1bc [ 38.222496][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 38.229413][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0-rc5-syzkaller #0 [ 38.237665][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.247870][ T83] Workqueue: usb_hub_wq hub_event [ 38.252889][ T83] Call Trace: [ 38.256174][ T83] dump_stack+0xca/0x13e [ 38.260606][ T83] ? rollback_registered_many.cold+0x4/0x1bc [ 38.266793][ T83] panic+0x2a3/0x6da [ 38.270708][ T83] ? add_taint.cold+0x16/0x16 [ 38.275540][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 38.280907][ T83] ? __warn.cold+0x5/0x4a [ 38.285332][ T83] ? __warn+0xe3/0x1e0 [ 38.289621][ T83] ? rollback_registered_many.cold+0x41/0x1bc [ 38.295773][ T83] __warn.cold+0x20/0x4a [ 38.300222][ T83] ? rollback_registered_many.cold+0x41/0x1bc [ 38.306465][ T83] report_bug+0x262/0x2a0 [ 38.310797][ T83] do_error_trap+0x12b/0x1e0 [ 38.315392][ T83] ? rollback_registered_many.cold+0x41/0x1bc [ 38.321529][ T83] do_invalid_op+0x32/0x40 [ 38.325927][ T83] ? rollback_registered_many.cold+0x41/0x1bc [ 38.332062][ T83] invalid_op+0x23/0x30 [ 38.336212][ T83] RIP: 0010:rollback_registered_many.cold+0x41/0x1bc [ 38.342885][ T83] Code: ff e8 c7 26 90 fc 48 c7 c7 40 ec 63 86 e8 24 c8 7a fc 0f 0b e9 93 be ff ff e8 af 26 90 fc 48 c7 c7 40 ec 63 86 e8 0c c8 7a fc <0f> 0b 4c 89 e7 e8 f9 12 34 fd 31 ff 41 89 c4 89 c6 e8 bd 27 90 fc [ 38.362576][ T83] RSP: 0018:ffff8881d938f080 EFLAGS: 00010286 [ 38.368629][ T83] RAX: 0000000000000024 RBX: ffff8881d5ef8000 RCX: 0000000000000000 [ 38.376586][ T83] RDX: 0000000000000000 RSI: ffffffff81288cfd RDI: ffffed103b271e02 [ 38.384710][ T83] RBP: ffff8881d938f1b0 R08: 0000000000000024 R09: fffffbfff11ad794 [ 38.392827][ T83] R10: fffffbfff11ad793 R11: ffffffff88d6bc9f R12: ffff8881d5ef8070 [ 38.401082][ T83] R13: ffff8881d938f140 R14: dffffc0000000000 R15: 0000000000000000 [ 38.409211][ T83] ? vprintk_func+0x7d/0x113 [ 38.413791][ T83] ? generic_xdp_install+0x480/0x480 [ 38.419208][ T83] ? __mutex_lock+0x430/0x1360 [ 38.423965][ T83] ? unregister_netdev+0xe/0x20 [ 38.428815][ T83] ? should_fail+0x1b8/0x79b [ 38.433469][ T83] ? mutex_trylock+0x2c0/0x2c0 [ 38.438214][ T83] rollback_registered+0xf2/0x1c0 [ 38.443220][ T83] ? rollback_registered_many+0xc70/0xc70 [ 38.448923][ T83] ? _dev_crit+0x109/0x109 [ 38.453323][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 38.458849][ T83] unregister_netdevice_queue+0x1d7/0x2b0 [ 38.464564][ T83] unregister_netdev+0x18/0x20 [ 38.469320][ T83] hso_free_net_device+0x100/0x310 [ 38.474423][ T83] hso_create_net_device+0x772/0x9c0 [ 38.479809][ T83] hso_probe+0x28d/0x1a46 [ 38.484324][ T83] usb_probe_interface+0x305/0x7a0 [ 38.489578][ T83] ? usb_probe_device+0x100/0x100 [ 38.494599][ T83] really_probe+0x281/0x6d0 [ 38.499084][ T83] driver_probe_device+0x101/0x1b0 [ 38.504266][ T83] __device_attach_driver+0x1c2/0x220 [ 38.509623][ T83] ? driver_allows_async_probing+0x160/0x160 [ 38.515698][ T83] bus_for_each_drv+0x162/0x1e0 [ 38.524463][ T83] ? bus_rescan_devices+0x20/0x20 [ 38.529493][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.535296][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 38.540560][ T83] __device_attach+0x217/0x360 [ 38.545452][ T83] ? device_bind_driver+0xd0/0xd0 [ 38.550479][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 38.555760][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 38.561038][ T83] bus_probe_device+0x1e4/0x290 [ 38.565882][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.571844][ T83] device_add+0xae6/0x16f0 [ 38.576456][ T83] ? uevent_store+0x50/0x50 [ 38.580947][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.586972][ T83] usb_set_configuration+0xdf6/0x1670 [ 38.592359][ T83] generic_probe+0x9d/0xd5 [ 38.596778][ T83] usb_probe_device+0x99/0x100 [ 38.601533][ T83] ? usb_suspend+0x620/0x620 [ 38.606105][ T83] really_probe+0x281/0x6d0 [ 38.610591][ T83] driver_probe_device+0x101/0x1b0 [ 38.615701][ T83] __device_attach_driver+0x1c2/0x220 [ 38.621065][ T83] ? driver_allows_async_probing+0x160/0x160 [ 38.627040][ T83] bus_for_each_drv+0x162/0x1e0 [ 38.631891][ T83] ? bus_rescan_devices+0x20/0x20 [ 38.636913][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 38.642705][ T83] ? lockdep_hardirqs_on+0x379/0x580 [ 38.647975][ T83] __device_attach+0x217/0x360 [ 38.652776][ T83] ? device_bind_driver+0xd0/0xd0 [ 38.657901][ T83] ? kobject_uevent_env+0x29e/0x1160 [ 38.663293][ T83] ? kobject_uevent_env+0x2a8/0x1160 [ 38.668572][ T83] bus_probe_device+0x1e4/0x290 [ 38.673421][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 38.679355][ T83] device_add+0xae6/0x16f0 [ 38.683772][ T83] ? uevent_store+0x50/0x50 [ 38.688272][ T83] usb_new_device.cold+0x6a4/0xe79 [ 38.693484][ T83] hub_event+0x1b5c/0x3640 [ 38.698032][ T83] ? hub_port_debounce+0x260/0x260 [ 38.703148][ T83] process_one_work+0x92b/0x1530 [ 38.708096][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 38.713454][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 38.718478][ T83] worker_thread+0x96/0xe20 [ 38.722991][ T83] ? process_one_work+0x1530/0x1530 [ 38.728187][ T83] kthread+0x318/0x420 [ 38.732248][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 38.737683][ T83] ret_from_fork+0x24/0x30 [ 38.743672][ T83] Kernel Offset: disabled [ 38.748073][ T83] Rebooting in 86400 seconds..