===================================================== BUG: KMSAN: uninit-value in efuse_one_byte_read+0x204/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:76 efuse_one_byte_read+0x204/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:76 r8712_efuse_pg_packet_read+0x2ba/0xd40 drivers/staging/rtl8712/rtl8712_efuse.c:245 r871xu_drv_init+0x1bc0/0x30a0 drivers/staging/rtl8712/usb_intf.c:440 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 process_scheduled_works kernel/workqueue.c:2361 [inline] worker_thread+0x1735/0x21f0 kernel/workqueue.c:2447 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: 9140 Comm: kworker/1:1 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 =====================================================