===================================================== BUG: KMSAN: uninit-value in r871xu_drv_init+0x1735/0x3050 drivers/staging/rtl8712/usb_intf.c:401 r871xu_drv_init+0x1735/0x3050 drivers/staging/rtl8712/usb_intf.c:401 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396 really_probe+0x4b7/0xea0 drivers/base/dd.c:621 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:752 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:782 __device_attach_driver+0x5d2/0x800 drivers/base/dd.c:899 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427 __device_attach+0x433/0x6d0 drivers/base/dd.c:970 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1017 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487 device_add+0x1d4b/0x26c0 drivers/base/core.c:3405 usb_set_configuration+0x30f8/0x37e0 drivers/usb/core/message.c:2170 usb_generic_driver_probe+0x105/0x290 drivers/usb/core/generic.c:238 usb_probe_device+0x288/0x490 drivers/usb/core/driver.c:293 really_probe+0x4b7/0xea0 drivers/base/dd.c:621 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:752 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:782 __device_attach_driver+0x5d2/0x800 drivers/base/dd.c:899 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427 __device_attach+0x433/0x6d0 drivers/base/dd.c:970 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1017 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487 device_add+0x1d4b/0x26c0 drivers/base/core.c:3405 usb_new_device+0x17a1/0x2360 drivers/usb/core/hub.c:2566 hub_port_connect drivers/usb/core/hub.c:5363 [inline] hub_port_connect_change drivers/usb/core/hub.c:5507 [inline] port_event drivers/usb/core/hub.c:5665 [inline] hub_event+0x5556/0x8030 drivers/usb/core/hub.c:5747 process_one_work+0xb27/0x13e0 kernel/workqueue.c:2289 worker_thread+0x1076/0x1d60 kernel/workqueue.c:2436 kthread+0x31b/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Local variable data created at: usb_read8+0x44/0xe0 drivers/staging/rtl8712/usb_ops.c:33 r8712_read8+0x74/0xa0 drivers/staging/rtl8712/rtl8712_io.c:29 CPU: 1 PID: 3549 Comm: kworker/1:5 Not tainted 5.18.0-syzkaller-16266-gfb61e40b30d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event =====================================================