usb 4-1: New USB device found, idVendor=2040, idProduct=c000, bcdDevice=42.3d
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: config 0 descriptor??
smsusb:smsusb_probe: board id=8, interface number 0
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 PTI
CPU: 1 PID: 585 Comm: kworker/1:2 Not tainted 5.1.0-rc5-319617-gd34f951 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:smsusb_init_device+0x366/0x937 drivers/media/usb/siano/smsusb.c:429
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 14 1e 66 f7 4d 8b b6 f0 04 00 00 b8 ff ff 37 00 48 c1 e0 2a 49 8d 7e 04 48 89 fa 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 ff c0 38 d0 7c 09 84 d2 74 05 e8 a1 1d
RSP: 0018:ffff88809cfcf0d0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffff88808c7fb300 RCX: ffffc9001308a000
RDX: 0000000000000000 RSI: ffffffff8a42b8c3 RDI: 0000000000000004
RBP: ffff88809f5b6e80 R08: ffff88809cf06200 R09: ffff88809cfcf130
R10: ffffed10139f9e34 R11: ffff88809cfcf1a7 R12: ffff88808c7fbe54
R13: ffff88808c7fbe5c R14: 0000000000000000 R15: ffff88809f5b6e80
FS:  0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000064d318 CR3: 00000000919de000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smsusb_probe+0xd64/0xe08 drivers/media/usb/siano/smsusb.c:570
 usb_probe_interface+0x31d/0x820 drivers/usb/core/driver.c:361
 really_probe+0x2da/0xb10 drivers/base/dd.c:509
 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
 __device_attach+0x223/0x3a0 drivers/base/dd.c:844
 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
 device_add+0xad2/0x16e0 drivers/base/core.c:2106
 usb_set_configuration+0xdf7/0x1740 drivers/usb/core/message.c:2021
 generic_probe+0xa2/0xda drivers/usb/core/generic.c:210
 usb_probe_device+0xc0/0x150 drivers/usb/core/driver.c:266
 really_probe+0x2da/0xb10 drivers/base/dd.c:509
 driver_probe_device+0x21d/0x350 drivers/base/dd.c:671
 __device_attach_driver+0x1d8/0x290 drivers/base/dd.c:778
 bus_for_each_drv+0x163/0x1e0 drivers/base/bus.c:454
 __device_attach+0x223/0x3a0 drivers/base/dd.c:844
 bus_probe_device+0x1f1/0x2a0 drivers/base/bus.c:514
 device_add+0xad2/0x16e0 drivers/base/core.c:2106
 usb_new_device.cold+0x537/0xccf drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1398/0x3b00 drivers/usb/core/hub.c:5432
 process_one_work+0x90f/0x1580 kernel/workqueue.c:2269
 worker_thread+0x9b/0xe20 kernel/workqueue.c:2415
 kthread+0x313/0x420 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace f8da1d4243167cce ]---
RIP: 0010:smsusb_init_device+0x366/0x937 drivers/media/usb/siano/smsusb.c:429
Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 14 1e 66 f7 4d 8b b6 f0 04 00 00 b8 ff ff 37 00 48 c1 e0 2a 49 8d 7e 04 48 89 fa 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 ff c0 38 d0 7c 09 84 d2 74 05 e8 a1 1d
RSP: 0018:ffff88809cfcf0d0 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffff88808c7fb300 RCX: ffffc9001308a000
RDX: 0000000000000000 RSI: ffffffff8a42b8c3 RDI: 0000000000000004
RBP: ffff88809f5b6e80 R08: ffff88809cf06200 R09: ffff88809cfcf130
R10: ffffed10139f9e34 R11: ffff88809cfcf1a7 R12: ffff88808c7fbe54
R13: ffff88808c7fbe5c R14: 0000000000000000 R15: ffff88809f5b6e80
FS:  0000000000000000(0000) GS:ffff8880ad100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000064d318 CR3: 00000000919de000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400