usb 1-1: config 0 has no interface number 0
usb 1-1: New USB device found, idVendor=10cf, idProduct=5502, bcdDevice=97.a1
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 83 Comm: kworker/1:2 Not tainted 5.3.0+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:vmk80xx_write_packet+0x75/0x260 drivers/staging/comedi/drivers/vmk80xx.c:204
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
RSP: 0018:ffff8881d93cf258 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8881d46100c0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff84732443 RDI: ffff8881d4610128
RBP: ffff8881d2e10000 R08: ffff8881d97d4800 R09: 0000000000000010
R10: fffffbfff11f45b4 R11: ffffffff88fa2da7 R12: ffff8881d90c8880
R13: 0000000000000010 R14: 0000000000000000 R15: ffff8881d598ae48
FS:  0000000000000000(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f52af65b000 CR3: 00000001d46f0000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: