Warning: Permanently added '10.128.0.174' (ECDSA) to the list of known hosts.
syzkaller login: [   23.468622][   T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   23.708579][   T12] usb 1-1: Using ep0 maxpacket: 8
[   23.828675][   T12] usb 1-1: config 0 has an invalid interface number: 129 but max is 0
[   23.836978][   T12] usb 1-1: config 0 has no interface number 0
[   23.843246][   T12] usb 1-1: config 0 interface 129 altsetting 0 endpoint 0xB has wMaxPacketSize 0, skipping
[   23.853467][   T12] usb 1-1: config 0 interface 129 altsetting 0 endpoint 0x8A has wMaxPacketSize 0, skipping
[   23.863591][   T12] usb 1-1: New USB device found, idVendor=10cf, idProduct=5503, bcdDevice=34.5f
[   23.872647][   T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   23.881889][   T12] usb 1-1: config 0 descriptor??
[   23.908838][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22
[   23.916380][ T1719] raw: raw_ioctl_ep_enable: fail, usb_ep_enable returned -22
[   23.942437][   T12] kasan: CONFIG_KASAN_INLINE enabled
[   23.947878][   T12] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   23.956024][   T12] general protection fault: 0000 [#1] SMP KASAN
[   23.962282][   T12] CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-syzkaller #0
[   23.970145][   T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   23.980202][   T12] Workqueue: usb_hub_wq hub_event
[   23.985207][   T12] RIP: 0010:vmk80xx_write_packet+0x75/0x260
[   23.991155][   T12] Code: 48 8d 7b 68 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d3 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 6b 68 4c 89 ea 48 c1 ea 03 <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 84 01 00 00
[   24.010942][   T12] RSP: 0018:ffff8881da627200 EFLAGS: 00010202
[   24.017128][   T12] RAX: dffffc0000000000 RBX: ffff8881d616fd00 RCX: 0000000000000000
[   24.025077][   T12] RDX: 0000000000000002 RSI: ffffffff8475b713 RDI: ffff8881d616fd68
[   24.033025][   T12] RBP: ffff8881cf89b400 R08: ffff8881da611880 R09: 0000000000000010
[   24.040972][   T12] R10: fffffbfff11aecac R11: ffffffff88d76567 R12: ffff8881cff9a000
[   24.048919][   T12] R13: 0000000000000010 R14: 0000000000000000 R15: ffff8881d1483088
[   24.056881][   T12] FS:  0000000000000000(0000) GS:ffff8881db400000(0000) knlGS:0000000000000000
[   24.065801][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.072362][   T12] CR2: 00007f6a1d18f000 CR3: 00000001d1bb4000 CR4: 00000000001406f0
[   24.080310][   T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.088260][   T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.096223][   T12] Call Trace:
[   24.099496][   T12]  vmk80xx_auto_attach+0x13b1/0x17c0
[   24.104774][   T12]  comedi_auto_config+0x16e/0x250
[   24.109784][   T12]  usb_probe_interface+0x305/0x7a0
[   24.114882][   T12]  ? usb_probe_device+0x100/0x100
[   24.119885][   T12]  really_probe+0x281/0x6d0
[   24.124455][   T12]  driver_probe_device+0x104/0x210
[   24.129550][   T12]  __device_attach_driver+0x1c2/0x220
[   24.134898][   T12]  ? driver_allows_async_probing+0x160/0x160
[   24.140852][   T12]  bus_for_each_drv+0x162/0x1e0
[   24.145687][   T12]  ? bus_rescan_devices+0x20/0x20
[   24.150687][   T12]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   24.156478][   T12]  ? lockdep_hardirqs_on+0x382/0x580
[   24.161745][   T12]  __device_attach+0x217/0x360
[   24.166485][   T12]  ? device_bind_driver+0xd0/0xd0
[   24.171486][   T12]  bus_probe_device+0x1e4/0x290
[   24.176327][   T12]  device_add+0x1480/0x1c20
[   24.180807][   T12]  ? wait_for_completion+0x3c0/0x3c0
[   24.186068][   T12]  ? device_links_flush_sync_list+0x350/0x350
[   24.192212][   T12]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   24.197993][   T12]  usb_set_configuration+0xe67/0x1740
[   24.203341][   T12]  generic_probe+0x9d/0xd5
[   24.207736][   T12]  usb_probe_device+0x99/0x100
[   24.212477][   T12]  ? usb_suspend+0x620/0x620
[   24.217043][   T12]  really_probe+0x281/0x6d0
[   24.221524][   T12]  driver_probe_device+0x104/0x210
[   24.226789][   T12]  __device_attach_driver+0x1c2/0x220
[   24.232145][   T12]  ? driver_allows_async_probing+0x160/0x160
[   24.238117][   T12]  bus_for_each_drv+0x162/0x1e0
[   24.242965][   T12]  ? bus_rescan_devices+0x20/0x20
[   24.247966][   T12]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   24.253766][   T12]  ? lockdep_hardirqs_on+0x382/0x580
[   24.259043][   T12]  __device_attach+0x217/0x360
[   24.263804][   T12]  ? device_bind_driver+0xd0/0xd0
[   24.268810][   T12]  bus_probe_device+0x1e4/0x290
[   24.273716][   T12]  device_add+0x1480/0x1c20
[   24.278214][   T12]  ? device_links_flush_sync_list+0x350/0x350
[   24.284308][   T12]  usb_new_device.cold+0x6a4/0xe79
[   24.289401][   T12]  hub_event+0x1e59/0x3860
[   24.293796][   T12]  ? hub_port_debounce+0x260/0x260
[   24.299492][   T12]  ? find_held_lock+0x2d/0x110
[   24.304229][   T12]  ? mark_held_locks+0xe0/0xe0
[   24.308969][   T12]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   24.314488][   T12]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   24.319757][   T12]  process_one_work+0x92b/0x1530
[   24.324757][   T12]  ? pwq_dec_nr_in_flight+0x310/0x310
[   24.330115][   T12]  ? do_raw_spin_lock+0x11a/0x280
[   24.335112][   T12]  worker_thread+0x96/0xe20
[   24.339604][   T12]  ? process_one_work+0x1530/0x1530