[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.244753][ C1] random: crng init done [?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 '10.128.0.42' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.678326][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.918308][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 27.038421][ T12] usb 1-1: config 0 has an invalid interface number: 27 but max is 0 [ 27.046606][ T12] usb 1-1: config 0 has no interface number 0 [ 27.052889][ T12] usb 1-1: config 0 interface 27 altsetting 0 bulk endpoint 0x9 has invalid maxpacket 681 [ 27.063242][ T12] usb 1-1: config 0 interface 27 altsetting 0 endpoint 0x8F has wMaxPacketSize 0, skipping [ 27.073275][ T12] usb 1-1: New USB device found, idVendor=054c, idProduct=06c1, bcdDevice=79.15 [ 27.082333][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 27.091644][ T12] usb 1-1: config 0 descriptor?? [ 27.108602][ T1710] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 [ 27.116177][ T1710] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22 executing program [ 27.368487][ T12] usb 1-1: string descriptor 0 read error: -71 [ 27.375913][ T12] ------------[ cut here ]------------ [ 27.381589][ T12] URB 00000000a8a02df9 submitted while active [ 27.387765][ T12] WARNING: CPU: 0 PID: 12 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 [ 27.397258][ T12] Kernel panic - not syncing: panic_on_warn set ... [ 27.403838][ T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc6+ #0 [ 27.411545][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.421626][ T12] Workqueue: usb_hub_wq hub_event [ 27.426629][ T12] Call Trace: [ 27.429903][ T12] dump_stack+0xca/0x13e [ 27.434145][ T12] ? usb_submit_urb+0x1010/0x13b0 [ 27.439147][ T12] panic+0x2aa/0x6e1 [ 27.443025][ T12] ? add_taint.cold+0x16/0x16 [ 27.447681][ T12] ? __probe_kernel_read+0x188/0x1d0 [ 27.452946][ T12] ? __warn.cold+0x14/0x33 [ 27.457350][ T12] ? __warn+0xd5/0x1d0 [ 27.461417][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 27.466422][ T12] __warn.cold+0x2f/0x33 [ 27.470662][ T12] ? __irq_work_queue_local+0xa3/0xe0 [ 27.476012][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 27.481026][ T12] report_bug+0x27b/0x2f0 [ 27.485341][ T12] do_error_trap+0x12b/0x1e0 [ 27.489918][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 27.494923][ T12] do_invalid_op+0x32/0x40 [ 27.499321][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 27.504329][ T12] invalid_op+0x23/0x30 [ 27.508479][ T12] RIP: 0010:usb_submit_urb+0x10c1/0x13b0 [ 27.514098][ T12] Code: 89 de e8 02 24 ef fd 84 db 0f 85 42 f6 ff ff e8 c5 22 ef fd 4c 89 fe 48 c7 c7 c0 76 14 86 c6 05 24 c3 35 04 01 e8 e4 bd c4 fd <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd [ 27.534259][ T12] RSP: 0018:ffff8881da2270f8 EFLAGS: 00010286 [ 27.540321][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 27.548292][ T12] RDX: 0000000000000000 RSI: ffffffff8128c9cd RDI: ffffed103b444e11 [ 27.556501][ T12] RBP: ffff8881d2786300 R08: ffff8881da211800 R09: ffffed103b645d58 [ 27.564580][ T12] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881d50e7800 [ 27.572622][ T12] R13: 00000000fffffff0 R14: ffff8881d1844448 R15: ffff8881d50e7700 [ 27.580686][ T12] ? vprintk_func+0x7d/0x113 [ 27.585277][ T12] ? usb_submit_urb+0x10c1/0x13b0 [ 27.590286][ T12] ? kasan_unpoison_shadow+0x30/0x40 [ 27.595567][ T12] port100_send_cmd_async+0x801/0xb80 [ 27.600921][ T12] port100_send_cmd_sync+0xaa/0x130 [ 27.606102][ T12] ? port100_in_send_cmd+0x1c0/0x1c0 [ 27.611371][ T12] ? __alloc_skb+0x3a7/0x5a0 [ 27.615942][ T12] ? skb_put+0x15d/0x1c0 [ 27.620170][ T12] port100_probe+0xa12/0xea0 [ 27.624743][ T12] usb_probe_interface+0x305/0x7a0 [ 27.629875][ T12] ? usb_probe_device+0x100/0x100 [ 27.635493][ T12] really_probe+0x281/0x6d0 [ 27.640025][ T12] driver_probe_device+0x104/0x210 [ 27.645139][ T12] __device_attach_driver+0x1c2/0x220 [ 27.650497][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.656500][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.661377][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.666401][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.672298][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.677574][ T12] __device_attach+0x217/0x360 [ 27.682323][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.687331][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 27.692597][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 27.697975][ T12] bus_probe_device+0x1e4/0x290 [ 27.702813][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.708874][ T12] device_add+0xae6/0x16f0 [ 27.714141][ T12] ? uevent_store+0x50/0x50 [ 27.718624][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.724430][ T12] usb_set_configuration+0xdf6/0x1670 [ 27.729908][ T12] generic_probe+0x9d/0xd5 [ 27.734326][ T12] usb_probe_device+0x99/0x100 [ 27.739086][ T12] ? usb_suspend+0x620/0x620 [ 27.743669][ T12] really_probe+0x281/0x6d0 [ 27.748154][ T12] driver_probe_device+0x104/0x210 [ 27.753250][ T12] __device_attach_driver+0x1c2/0x220 [ 27.758865][ T12] ? driver_allows_async_probing+0x160/0x160 [ 27.764999][ T12] bus_for_each_drv+0x162/0x1e0 [ 27.770186][ T12] ? bus_rescan_devices+0x20/0x20 [ 27.775206][ T12] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.781037][ T12] ? lockdep_hardirqs_on+0x382/0x580 [ 27.786319][ T12] __device_attach+0x217/0x360 [ 27.791087][ T12] ? device_bind_driver+0xd0/0xd0 [ 27.796113][ T12] ? kobject_uevent_env+0x29e/0x1160 [ 27.801409][ T12] ? kobject_uevent_env+0x2a8/0x1160 [ 27.806707][ T12] bus_probe_device+0x1e4/0x290 [ 27.811905][ T12] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.817781][ T12] device_add+0xae6/0x16f0 [ 27.822231][ T12] ? uevent_store+0x50/0x50 [ 27.827301][ T12] usb_new_device.cold+0x6a4/0xe79 [ 27.832451][ T12] hub_event+0x1df8/0x3800 [ 27.836907][ T12] ? hub_port_debounce+0x260/0x260 [ 27.842000][ T12] ? find_held_lock+0x2d/0x110 [ 27.846747][ T12] ? mark_held_locks+0xe0/0xe0 [ 27.851502][ T12] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.857027][ T12] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.862313][ T12] process_one_work+0x92b/0x1530 [ 27.867240][ T12] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.872605][ T12] ? do_raw_spin_lock+0x11a/0x280 [ 27.877683][ T12] worker_thread+0x96/0xe20 [ 27.882216][ T12] ? process_one_work+0x1530/0x1530 [ 27.889683][ T12] kthread+0x318/0x420 [ 27.893759][ T12] ? kthread_create_on_node+0xf0/0xf0 [ 27.899117][ T12] ret_from_fork+0x24/0x30 [ 27.904261][ T12] Kernel Offset: disabled [ 27.908614][ T12] Rebooting in 86400 seconds..