[info] Using makefile-style concurrent boot in runlevel 2. [ 14.382345][ 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 '10.128.0.73' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.317620][ T22] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.557591][ T22] usb 1-1: Using ep0 maxpacket: 8 [ 26.677678][ T22] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x8F has invalid maxpacket 0 [ 26.687548][ T22] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 611 [ 26.697338][ T22] usb 1-1: New USB device found, idVendor=054c, idProduct=06c3, bcdDevice=bc.72 [ 26.706505][ T22] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 26.715936][ T22] usb 1-1: config 0 descriptor?? [ 26.758746][ T22] ------------[ cut here ]------------ [ 26.764304][ T22] URB 0000000067557bad submitted while active [ 26.770537][ T22] WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10c1/0x13b0 [ 26.779972][ T22] Kernel panic - not syncing: panic_on_warn set ... [ 26.786618][ T22] CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.4.0-rc5+ #0 [ 26.793995][ T22] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.804031][ T22] Workqueue: usb_hub_wq hub_event [ 26.809029][ T22] Call Trace: [ 26.812301][ T22] dump_stack+0xca/0x13e [ 26.816514][ T22] ? usb_submit_urb+0x1010/0x13b0 [ 26.821510][ T22] panic+0x2aa/0x6e1 [ 26.825378][ T22] ? add_taint.cold+0x16/0x16 [ 26.830032][ T22] ? __probe_kernel_read+0x188/0x1d0 [ 26.835291][ T22] ? __warn.cold+0x14/0x33 [ 26.839681][ T22] ? __warn+0xd5/0x1d0 [ 26.843732][ T22] ? usb_submit_urb+0x10c1/0x13b0 [ 26.848732][ T22] __warn.cold+0x2f/0x33 [ 26.852958][ T22] ? usb_submit_urb+0x10c1/0x13b0 [ 26.857953][ T22] report_bug+0x27b/0x2f0 [ 26.862259][ T22] do_error_trap+0x12b/0x1e0 [ 26.866823][ T22] ? usb_submit_urb+0x10c1/0x13b0 [ 26.871828][ T22] do_invalid_op+0x32/0x40 [ 26.876218][ T22] ? usb_submit_urb+0x10c1/0x13b0 [ 26.881217][ T22] invalid_op+0x23/0x30 [ 26.885344][ T22] RIP: 0010:usb_submit_urb+0x10c1/0x13b0 [ 26.890949][ T22] Code: 89 de e8 e2 33 ef fd 84 db 0f 85 42 f6 ff ff e8 a5 32 ef fd 4c 89 fe 48 c7 c7 20 76 14 86 c6 05 4a e9 35 04 01 e8 e4 ce c4 fd <0f> 0b e9 20 f6 ff ff c7 44 24 14 01 00 00 00 e9 d7 f6 ff ff 41 bd [ 26.910524][ T22] RSP: 0018:ffff8881d932f0f8 EFLAGS: 00010286 [ 26.916559][ T22] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 26.924501][ T22] RDX: 0000000000000000 RSI: ffffffff8128c8ed RDI: ffffed103b265e11 [ 26.932445][ T22] RBP: ffff8881d192bd00 R08: ffff8881da24e000 R09: fffffbfff11ab3b5 [ 26.940400][ T22] R10: fffffbfff11ab3b4 R11: ffffffff88d59da7 R12: ffff8881d48d2d00 [ 26.948343][ T22] R13: 00000000fffffff0 R14: ffff8881cf82c848 R15: ffff8881d4d71900 [ 26.956293][ T22] ? vprintk_func+0x7d/0x113 [ 26.960858][ T22] ? usb_submit_urb+0x10c1/0x13b0 [ 26.965854][ T22] ? kasan_unpoison_shadow+0x30/0x40 [ 26.971117][ T22] port100_send_cmd_async+0x801/0xb80 [ 26.976460][ T22] port100_send_cmd_sync+0xaa/0x130 [ 26.981628][ T22] ? port100_in_send_cmd+0x1c0/0x1c0 [ 26.986887][ T22] ? __alloc_skb+0x3a7/0x5a0 [ 26.991454][ T22] ? skb_put+0x15d/0x1c0 [ 26.995668][ T22] port100_probe+0xa12/0xea0 [ 27.000235][ T22] usb_probe_interface+0x305/0x7a0 [ 27.005322][ T22] ? usb_probe_device+0x100/0x100 [ 27.010321][ T22] really_probe+0x281/0x6d0 [ 27.014799][ T22] driver_probe_device+0x104/0x210 [ 27.019896][ T22] __device_attach_driver+0x1c2/0x220 [ 27.025241][ T22] ? driver_allows_async_probing+0x160/0x160 [ 27.031194][ T22] bus_for_each_drv+0x162/0x1e0 [ 27.036018][ T22] ? bus_rescan_devices+0x20/0x20 [ 27.041018][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.046795][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 27.052053][ T22] __device_attach+0x217/0x360 [ 27.056790][ T22] ? device_bind_driver+0xd0/0xd0 [ 27.061798][ T22] ? kobject_uevent_env+0x29e/0x1160 [ 27.067094][ T22] ? kobject_uevent_env+0x2a8/0x1160 [ 27.072354][ T22] bus_probe_device+0x1e4/0x290 [ 27.077181][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.083050][ T22] device_add+0xae6/0x16f0 [ 27.087485][ T22] ? uevent_store+0x50/0x50 [ 27.092009][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.097794][ T22] usb_set_configuration+0xdf6/0x1670 [ 27.103142][ T22] generic_probe+0x9d/0xd5 [ 27.107537][ T22] usb_probe_device+0x99/0x100 [ 27.112285][ T22] ? usb_suspend+0x620/0x620 [ 27.116848][ T22] really_probe+0x281/0x6d0 [ 27.121326][ T22] driver_probe_device+0x104/0x210 [ 27.126413][ T22] __device_attach_driver+0x1c2/0x220 [ 27.131760][ T22] ? driver_allows_async_probing+0x160/0x160 [ 27.137711][ T22] bus_for_each_drv+0x162/0x1e0 [ 27.142535][ T22] ? bus_rescan_devices+0x20/0x20 [ 27.147538][ T22] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 27.153319][ T22] ? lockdep_hardirqs_on+0x382/0x580 [ 27.158583][ T22] __device_attach+0x217/0x360 [ 27.163329][ T22] ? device_bind_driver+0xd0/0xd0 [ 27.168327][ T22] ? kobject_uevent_env+0x29e/0x1160 [ 27.173585][ T22] ? kobject_uevent_env+0x2a8/0x1160 [ 27.178853][ T22] bus_probe_device+0x1e4/0x290 [ 27.183678][ T22] ? blocking_notifier_call_chain+0x54/0xa0 [ 27.189542][ T22] device_add+0xae6/0x16f0 [ 27.193944][ T22] ? uevent_store+0x50/0x50 [ 27.198419][ T22] usb_new_device.cold+0x6a4/0xe79 [ 27.203501][ T22] hub_event+0x1df8/0x3800 [ 27.207900][ T22] ? hub_port_debounce+0x260/0x260 [ 27.212992][ T22] ? find_held_lock+0x2d/0x110 [ 27.217740][ T22] ? mark_held_locks+0xe0/0xe0 [ 27.222477][ T22] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.227993][ T22] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.233250][ T22] process_one_work+0x92b/0x1530 [ 27.238167][ T22] ? pwq_dec_nr_in_flight+0x310/0x310 [ 27.243508][ T22] ? do_raw_spin_lock+0x11a/0x280 [ 27.248507][ T22] worker_thread+0x96/0xe20 [ 27.252981][ T22] ? process_one_work+0x1530/0x1530 [ 27.258147][ T22] kthread+0x318/0x420 [ 27.262188][ T22] ? kthread_create_on_node+0xf0/0xf0 [ 27.267539][ T22] ret_from_fork+0x24/0x30 [ 27.272660][ T22] Kernel Offset: disabled [ 27.277002][ T22] Rebooting in 86400 seconds..