usb 1-1: config 0 descriptor??
usbhid 1-1:0.0: couldn't find an input interrupt endpoint
r8712u: register rtl8712_netdev_ops to netdev_ops
usb 1-1: r8712u: USB_SPEED_HIGH with 0 endpoints
=====================================================
BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:638 [inline]
BUG: KMSAN: uninit-value in string+0x4fd/0x700 lib/vsprintf.c:720
 string_nocheck lib/vsprintf.c:638 [inline]
 string+0x4fd/0x700 lib/vsprintf.c:720
 vsnprintf+0x224f/0x36a0 lib/vsprintf.c:2797
 va_format lib/vsprintf.c:1694 [inline]
 pointer+0x184c/0x2060 lib/vsprintf.c:2427
 vsnprintf+0x1aaf/0x36a0 lib/vsprintf.c:2801
 vprintk_store+0x4c4/0x20d0 kernel/printk/printk.c:2134
 vprintk_emit+0x25c/0x860 kernel/printk/printk.c:2228
 dev_vprintk_emit+0x5f5/0x6d6 drivers/base/core.c:4559
 dev_printk_emit+0x1d8/0x21a drivers/base/core.c:4570
 __dev_printk+0x3de/0x460 drivers/base/core.c:4582
 _dev_info+0x1e5/0x22a drivers/base/core.c:4628
 r871xu_drv_init+0x1972/0x3090 drivers/staging/rtl8712/usb_intf.c:401
 usb_probe_interface+0xf15/0x1530 drivers/usb/core/driver.c:396
 really_probe+0x66e/0x1510 drivers/base/dd.c:596
 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:751
 driver_probe_device drivers/base/dd.c:781 [inline]
 __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:898
 bus_for_each_drv+0x2f0/0x410 drivers/base/bus.c:427
 __device_attach+0x593/0x8e0 drivers/base/dd.c:969
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1016
 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487
 device_add+0x1d46/0x2400 drivers/base/core.c:3359
 usb_set_configuration+0x389f/0x3ee0 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x13c/0x300 drivers/usb/core/generic.c:238
 usb_probe_device+0x309/0x570 drivers/usb/core/driver.c:293
 really_probe+0x66e/0x1510 drivers/base/dd.c:596
 __driver_probe_device+0x3e9/0x530 drivers/base/dd.c:751
 driver_probe_device drivers/base/dd.c:781 [inline]
 __device_attach_driver+0x79f/0x1120 drivers/base/dd.c:898
 bus_for_each_drv+0x2f0/0x410 drivers/base/bus.c:427
 __device_attach+0x593/0x8e0 drivers/base/dd.c:969
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:1016
 bus_probe_device+0x17b/0x3e0 drivers/base/bus.c:487
 device_add+0x1d46/0x2400 drivers/base/core.c:3359
 usb_new_device+0x1b9a/0x2960 drivers/usb/core/hub.c:2563
 hub_port_connect drivers/usb/core/hub.c:5348 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0x57cf/0x8690 drivers/usb/core/hub.c:5716
 process_one_work+0xdc7/0x1760 kernel/workqueue.c:2297
 worker_thread+0x1101/0x22b0 kernel/workqueue.c:2444
 kthread+0x66b/0x780 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30

Local variable ----data@usb_read8 created at:
 usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
 r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29
=====================================================