[info] Using makefile-style concurrent boot in runlevel 2. [ 14.549855][ 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 '10.128.1.5' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.936606][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.176562][ T83] usb 1-1: Using ep0 maxpacket: 8 [ 53.296668][ T83] usb 1-1: config 0 has an invalid interface number: 205 but max is 0 [ 53.304916][ T83] usb 1-1: config 0 has no interface number 0 [ 53.311063][ T83] usb 1-1: config 0 interface 205 altsetting 0 bulk endpoint 0x7 has invalid maxpacket 595 [ 53.321088][ T83] usb 1-1: config 0 interface 205 altsetting 0 bulk endpoint 0x8C has invalid maxpacket 0 [ 53.331055][ T83] usb 1-1: New USB device found, idVendor=054c, idProduct=06c3, bcdDevice=fc.4b [ 53.340100][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 53.349332][ T83] usb 1-1: config 0 descriptor?? [ 53.387872][ T83] ------------[ cut here ]------------ [ 53.393473][ T83] URB 000000009e6bcd03 submitted while active [ 53.399782][ T83] WARNING: CPU: 1 PID: 83 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 [ 53.409229][ T83] Kernel panic - not syncing: panic_on_warn set ... [ 53.415949][ T83] CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0 [ 53.422951][ T83] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.432990][ T83] Workqueue: usb_hub_wq hub_event [ 53.437984][ T83] Call Trace: [ 53.441247][ T83] dump_stack+0xca/0x13e [ 53.445463][ T83] ? usb_submit_urb+0xff0/0x13b0 [ 53.450377][ T83] panic+0x2a3/0x6da [ 53.454244][ T83] ? add_taint.cold+0x16/0x16 [ 53.458996][ T83] ? __probe_kernel_read+0x188/0x1d0 [ 53.464253][ T83] ? __warn.cold+0x5/0x4a [ 53.468572][ T83] ? __warn+0xe3/0x1e0 [ 53.472625][ T83] ? usb_submit_urb+0x10c1/0x13b0 [ 53.477626][ T83] __warn.cold+0x20/0x4a [ 53.481851][ T83] ? usb_submit_urb+0x10c1/0x13b0 [ 53.486852][ T83] report_bug+0x262/0x2a0 [ 53.491155][ T83] do_error_trap+0x12b/0x1e0 [ 53.495762][ T83] ? usb_submit_urb+0x10c1/0x13b0 [ 53.500762][ T83] do_invalid_op+0x32/0x40 [ 53.505185][ T83] ? usb_submit_urb+0x10c1/0x13b0 [ 53.510223][ T83] invalid_op+0x23/0x30 [ 53.514353][ T83] RIP: 0010:usb_submit_urb+0x10c1/0x13b0 [ 53.519957][ T83] Code: 89 de e8 22 66 ec fd 84 db 0f 85 42 f6 ff ff e8 e5 64 ec fd 4c 89 fe 48 c7 c7 c0 fa 18 86 c6 05 a4 10 57 04 01 e8 84 ee c1 fd <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd [ 53.539535][ T83] RSP: 0018:ffff8881d800f138 EFLAGS: 00010286 [ 53.545583][ T83] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 53.553532][ T83] RDX: 0000000000000000 RSI: ffffffff8128d3fd RDI: ffffed103b001e19 [ 53.561478][ T83] RBP: ffff8881d3071720 R08: ffff8881d976e000 R09: fffffbfff11f45b5 [ 53.569467][ T83] R10: fffffbfff11f45b4 R11: ffffffff88fa2da7 R12: ffff8881d97ba700 [ 53.577412][ T83] R13: 00000000fffffff0 R14: ffff8881d31c8a48 R15: ffff8881d66ffb00 [ 53.585362][ T83] ? vprintk_func+0x7d/0x113 [ 53.590043][ T83] ? usb_submit_urb+0x10c1/0x13b0 [ 53.595038][ T83] ? kasan_unpoison_shadow+0x30/0x40 [ 53.600299][ T83] port100_send_cmd_async+0x801/0xb80 [ 53.605647][ T83] port100_send_cmd_sync+0xaa/0x130 [ 53.610820][ T83] ? port100_in_send_cmd+0x1c0/0x1c0 [ 53.616097][ T83] ? __alloc_skb+0x3a7/0x5a0 [ 53.620672][ T83] ? skb_put+0x15d/0x1c0 [ 53.624888][ T83] port100_probe+0xa12/0xea0 [ 53.629461][ T83] usb_probe_interface+0x305/0x7a0 [ 53.634555][ T83] ? usb_probe_device+0x100/0x100 [ 53.639553][ T83] really_probe+0x281/0x6d0 [ 53.644027][ T83] driver_probe_device+0x104/0x210 [ 53.649108][ T83] __device_attach_driver+0x1c2/0x220 [ 53.654447][ T83] ? driver_allows_async_probing+0x160/0x160 [ 53.660399][ T83] bus_for_each_drv+0x162/0x1e0 [ 53.665221][ T83] ? bus_rescan_devices+0x20/0x20 [ 53.670236][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.676025][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 53.681282][ T83] __device_attach+0x217/0x360 [ 53.686017][ T83] ? device_bind_driver+0xd0/0xd0 [ 53.691012][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 53.696265][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 53.701544][ T83] bus_probe_device+0x1e4/0x290 [ 53.706367][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.712228][ T83] device_add+0xae6/0x16f0 [ 53.716619][ T83] ? uevent_store+0x50/0x50 [ 53.721090][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.726866][ T83] usb_set_configuration+0xdf6/0x1670 [ 53.732296][ T83] generic_probe+0x9d/0xd5 [ 53.736696][ T83] usb_probe_device+0x99/0x100 [ 53.741519][ T83] ? usb_suspend+0x620/0x620 [ 53.746095][ T83] really_probe+0x281/0x6d0 [ 53.750588][ T83] driver_probe_device+0x104/0x210 [ 53.755674][ T83] __device_attach_driver+0x1c2/0x220 [ 53.761016][ T83] ? driver_allows_async_probing+0x160/0x160 [ 53.766966][ T83] bus_for_each_drv+0x162/0x1e0 [ 53.771786][ T83] ? bus_rescan_devices+0x20/0x20 [ 53.776778][ T83] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 53.782557][ T83] ? lockdep_hardirqs_on+0x382/0x580 [ 53.787814][ T83] __device_attach+0x217/0x360 [ 53.792553][ T83] ? device_bind_driver+0xd0/0xd0 [ 53.797562][ T83] ? kobject_uevent_env+0x29e/0x1150 [ 53.802815][ T83] ? kobject_uevent_env+0x2a8/0x1150 [ 53.808082][ T83] bus_probe_device+0x1e4/0x290 [ 53.812901][ T83] ? blocking_notifier_call_chain+0x54/0xa0 [ 53.818762][ T83] device_add+0xae6/0x16f0 [ 53.823146][ T83] ? uevent_store+0x50/0x50 [ 53.827632][ T83] usb_new_device.cold+0x6a4/0xe79 [ 53.832716][ T83] hub_event+0x1b5c/0x3640 [ 53.837115][ T83] ? hub_port_debounce+0x260/0x260 [ 53.842198][ T83] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.847714][ T83] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 53.852969][ T83] process_one_work+0x92b/0x1530 [ 53.857893][ T83] ? pwq_dec_nr_in_flight+0x310/0x310 [ 53.863246][ T83] ? do_raw_spin_lock+0x11a/0x280 [ 53.868362][ T83] worker_thread+0x96/0xe20 [ 53.872838][ T83] ? process_one_work+0x1530/0x1530 [ 53.878005][ T83] kthread+0x318/0x420 [ 53.882046][ T83] ? kthread_create_on_node+0xf0/0xf0 [ 53.887389][ T83] ret_from_fork+0x24/0x30 [ 53.892462][ T83] Kernel Offset: disabled [ 53.896816][ T83] Rebooting in 86400 seconds..