Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   63.547844][   T94] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   63.637628][   T94] usb 1-1: Using ep0 maxpacket: 8
[   63.757476][   T94] usb 1-1: config 0 has an invalid interface number: 44 but max is 0
[   63.765654][   T94] usb 1-1: config 0 has no interface number 0
[   63.771988][   T94] usb 1-1: config 0 interface 44 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0
[   63.781819][   T94] usb 1-1: config 0 interface 44 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0
[   63.791627][   T94] usb 1-1: config 0 interface 44 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0
[   63.802452][   T94] usb 1-1: config 0 interface 44 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0
[   63.812363][   T94] usb 1-1: New USB device found, idVendor=10cf, idProduct=5501, bcdDevice=67.87
[   63.821448][   T94] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   63.831306][   T94] usb 1-1: config 0 descriptor??
[   63.871463][   T94] kasan: CONFIG_KASAN_INLINE enabled
[   63.876871][   T94] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   63.885047][   T94] general protection fault: 0000 [#1] SMP KASAN
[   63.891303][   T94] CPU: 1 PID: 94 Comm: kworker/1:2 Not tainted 5.5.0-rc6-syzkaller #0
[   63.899562][   T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   63.909615][   T94] Workqueue: usb_hub_wq hub_event
[   63.914650][   T94] RIP: 0010:vmk80xx_write_packet+0x75/0x260
[   63.920535][   T94] 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
[   63.940828][   T94] RSP: 0018:ffff8881d5cff200 EFLAGS: 00010202
[   63.946902][   T94] RAX: dffffc0000000000 RBX: ffff8881d22bed00 RCX: 0000000000000000
[   63.954900][   T94] RDX: 0000000000000002 RSI: ffffffff8487e383 RDI: ffff8881d22bed68
[   63.963061][   T94] RBP: ffff8881d1910000 R08: ffff8881d6ac3100 R09: 0000000000000010
[   63.971029][   T94] R10: fffffbfff1269cb5 R11: ffffffff8934e5af R12: ffff8881cd9dd000
[   63.978987][   T94] R13: 0000000000000010 R14: 0000000000000000 R15: ffff8881cfb19208
[   63.987098][   T94] FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
[   63.996404][   T94] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.002984][   T94] CR2: 00007f1eb0800a70 CR3: 0000000007021000 CR4: 00000000001406e0
[   64.010950][   T94] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   64.018911][   T94] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   64.026869][   T94] Call Trace:
[   64.030150][   T94]  vmk80xx_auto_attach+0x13b1/0x17c0
[   64.035417][   T94]  comedi_auto_config+0x16e/0x250
[   64.040467][   T94]  usb_probe_interface+0x310/0x800
[   64.050135][   T94]  ? usb_probe_device+0x140/0x140
[   64.055139][   T94]  really_probe+0x290/0xad0
[   64.059640][   T94]  driver_probe_device+0x223/0x350
[   64.064741][   T94]  __device_attach_driver+0x1d1/0x290
[   64.070110][   T94]  ? driver_allows_async_probing+0x160/0x160
[   64.076100][   T94]  bus_for_each_drv+0x162/0x1e0
[   64.080952][   T94]  ? bus_rescan_devices+0x20/0x20
[   64.086032][   T94]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   64.091833][   T94]  ? lockdep_hardirqs_on+0x382/0x580
[   64.097113][   T94]  __device_attach+0x217/0x390
[   64.102029][   T94]  ? device_bind_driver+0xd0/0xd0
[   64.107047][   T94]  bus_probe_device+0x1e4/0x290
[   64.111905][   T94]  device_add+0x1459/0x1bf0
[   64.116401][   T94]  ? wait_for_completion+0x3c0/0x3c0
[   64.121808][   T94]  ? device_link_remove+0x110/0x110
[   64.127106][   T94]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   64.133144][   T94]  usb_set_configuration+0xe47/0x17d0
[   64.138555][   T94]  generic_probe+0x9d/0xd5
[   64.142966][   T94]  usb_probe_device+0xaf/0x140
[   64.147712][   T94]  ? usb_suspend+0x5f0/0x5f0
[   64.152301][   T94]  really_probe+0x290/0xad0
[   64.156802][   T94]  driver_probe_device+0x223/0x350
[   64.161891][   T94]  __device_attach_driver+0x1d1/0x290
[   64.167255][   T94]  ? driver_allows_async_probing+0x160/0x160
[   64.173229][   T94]  bus_for_each_drv+0x162/0x1e0
[   64.178068][   T94]  ? bus_rescan_devices+0x20/0x20
[   64.183099][   T94]  ? _raw_spin_unlock_irqrestore+0x39/0x40
[   64.188907][   T94]  ? lockdep_hardirqs_on+0x382/0x580
[   64.194190][   T94]  __device_attach+0x217/0x390
[   64.198945][   T94]  ? device_bind_driver+0xd0/0xd0
[   64.204079][   T94]  bus_probe_device+0x1e4/0x290
[   64.208942][   T94]  device_add+0x1459/0x1bf0
[   64.213484][   T94]  ? device_link_remove+0x110/0x110
[   64.218680][   T94]  usb_new_device.cold+0x540/0xcd0
[   64.223787][   T94]  hub_event+0x21cb/0x4300
[   64.228226][   T94]  ? hub_port_debounce+0x350/0x350
[   64.233328][   T94]  ? find_held_lock+0x2d/0x110
[   64.238082][   T94]  ? mark_held_locks+0xe0/0xe0
[   64.242864][   T94]  ? rcu_read_lock_sched_held+0x9c/0xd0
[   64.248748][   T94]  ? rcu_read_lock_bh_held+0xb0/0xb0
[   64.254027][   T94]  process_one_work+0x945/0x15c0
[   64.258957][   T94]  ? pwq_dec_nr_in_flight+0x310/0x310
[   64.264322][   T94]  ? do_raw_spin_lock+0x129/0x290
[   64.269341][   T94]  worker_thread+0x96/0xe2