usb 3-1: New USB device found, idVendor=2040, idProduct=c080, bcdDevice=57.84 usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 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: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.1.0-rc3+ #8 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+0x361/0x820 drivers/media/usb/siano/smsusb.c:429 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 f3 27 55 fd 4d 8b b6 e8 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 a0 27 RSP: 0018:ffff8881d9dc7048 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff8881c9fa6600 RCX: ffffc9000e608000 RDX: 0000000000000000 RSI: ffffffff840cd304 RDI: 0000000000000004 RBP: ffff8881d0fe5500 R08: ffff8881d9d86000 R09: ffff8881d9dc70a8 R10: ffffed103b3b8e23 R11: ffff8881d9dc711f R12: ffff8881c9fa7154 R13: ffff8881c9fa715c R14: 0000000000000000 R15: ffffffff863edb40 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000006c26000 CR4: 00000000001406f0 Call Trace: smsusb_probe+0x986/0xa29 drivers/media/usb/siano/smsusb.c:570 usb_probe_interface+0x30d/0x7b0 drivers/usb/core/driver.c:361 really_probe+0x296/0x680 drivers/base/dd.c:509 driver_probe_device+0xf9/0x200 drivers/base/dd.c:671 __device_attach_driver+0x1c4/0x230 drivers/base/dd.c:778 bus_for_each_drv+0x15e/0x1e0 drivers/base/bus.c:454 __device_attach+0x21e/0x360 drivers/base/dd.c:844 bus_probe_device+0x1ec/0x2a0 drivers/base/bus.c:514 device_add+0xaf4/0x1700 drivers/base/core.c:2106 usb_set_configuration+0xdf2/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0xa8/0x110 drivers/usb/core/driver.c:266 really_probe+0x296/0x680 drivers/base/dd.c:509 driver_probe_device+0xf9/0x200 drivers/base/dd.c:671 __device_attach_driver+0x1c4/0x230 drivers/base/dd.c:778 bus_for_each_drv+0x15e/0x1e0 drivers/base/bus.c:454 __device_attach+0x21e/0x360 drivers/base/dd.c:844 bus_probe_device+0x1ec/0x2a0 drivers/base/bus.c:514 device_add+0xaf4/0x1700 drivers/base/core.c:2106 usb_new_device.cold+0x8b8/0x1030 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+0x1ac9/0x35a0 drivers/usb/core/hub.c:5432 process_one_work+0x90a/0x1580 kernel/workqueue.c:2269 worker_thread+0x96/0xe20 kernel/workqueue.c:2415 kthread+0x30e/0x420 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace 9aac179970ce294b ]--- RIP: 0010:smsusb_init_device+0x361/0x820 drivers/media/usb/siano/smsusb.c:429 Code: 48 c1 ea 03 80 3c 02 00 74 05 e8 f3 27 55 fd 4d 8b b6 e8 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 a0 27 RSP: 0018:ffff8881d9dc7048 EFLAGS: 00010247 RAX: dffffc0000000000 RBX: ffff8881c9fa6600 RCX: ffffc9000e608000 RDX: 0000000000000000 RSI: ffffffff840cd304 RDI: 0000000000000004 RBP: ffff8881d0fe5500 R08: ffff8881d9d86000 R09: ffff8881d9dc70a8 R10: ffffed103b3b8e23 R11: ffff8881d9dc711f R12: ffff8881c9fa7154 R13: ffff8881c9fa715c R14: 0000000000000000 R15: ffffffff863edb40 FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 0000000006c26000 CR4: 00000000001406f0