usb 1-1: config 0 descriptor?? 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+0x4ec/0x6f0 lib/vsprintf.c:720 string_nocheck lib/vsprintf.c:638 [inline] string+0x4ec/0x6f0 lib/vsprintf.c:720 vsnprintf+0x2222/0x3650 lib/vsprintf.c:2805 va_format lib/vsprintf.c:1694 [inline] pointer+0x1844/0x2060 lib/vsprintf.c:2435 vsnprintf+0x1a9b/0x3650 lib/vsprintf.c:2809 vprintk_store+0x537/0x2150 kernel/printk/printk.c:2135 vprintk_emit+0x25c/0x950 kernel/printk/printk.c:2229 dev_vprintk_emit+0x5ef/0x6d0 drivers/base/core.c:4594 dev_printk_emit+0x1dd/0x21f drivers/base/core.c:4605 __dev_printk+0x3be/0x440 drivers/base/core.c:4617 _dev_info+0x1ea/0x22f drivers/base/core.c:4663 r871xu_drv_init+0x1929/0x30a0 drivers/staging/rtl8712/usb_intf.c:401 usb_probe_interface+0xf19/0x1600 drivers/usb/core/driver.c:396 really_probe+0x67d/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+0x2d6/0x3f0 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+0x1d3e/0x2400 drivers/base/core.c:3394 usb_set_configuration+0x37e9/0x3ed0 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+0x67d/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+0x2d6/0x3f0 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+0x1d3e/0x2400 drivers/base/core.c:3394 usb_new_device+0x1b8e/0x2950 drivers/usb/core/hub.c:2563 hub_port_connect drivers/usb/core/hub.c:5353 [inline] hub_port_connect_change drivers/usb/core/hub.c:5497 [inline] port_event drivers/usb/core/hub.c:5643 [inline] hub_event+0x5ad2/0x8910 drivers/usb/core/hub.c:5725 process_one_work+0xdb9/0x1820 kernel/workqueue.c:2298 worker_thread+0x10bc/0x21f0 kernel/workqueue.c:2445 kthread+0x721/0x850 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Local variable data created at: usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33 r8712_read8+0xa5/0xd0 drivers/staging/rtl8712/rtl8712_io.c:29 CPU: 1 PID: 119 Comm: kworker/1:2 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event =====================================================