=====================================================
BUG: KMSAN: uninit-value in mii_nway_restart+0x117/0x1d0 drivers/net/mii.c:465
 mii_nway_restart+0x117/0x1d0 drivers/net/mii.c:465
 dm9601_bind+0xa17/0xb50 drivers/net/usb/dm9601.c:431
 usbnet_probe+0xebb/0x3cc0 drivers/net/usb/usbnet.c:1747
 usb_probe_interface+0xc4b/0x11f0 drivers/usb/core/driver.c:396
 really_probe+0x499/0xf50 drivers/base/dd.c:634
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:764
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:794
 __device_attach_driver+0x6f1/0x890 drivers/base/dd.c:917
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:989
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1038
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3428
 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+0x499/0xf50 drivers/base/dd.c:634
 __driver_probe_device+0x2fa/0x3d0 drivers/base/dd.c:764
 driver_probe_device+0x72/0x7a0 drivers/base/dd.c:794
 __device_attach_driver+0x6f1/0x890 drivers/base/dd.c:917
 bus_for_each_drv+0x1fc/0x360 drivers/base/bus.c:427
 __device_attach+0x42a/0x720 drivers/base/dd.c:989
 device_initial_probe+0x2e/0x40 drivers/base/dd.c:1038
 bus_probe_device+0x13c/0x3b0 drivers/base/bus.c:487
 device_add+0x1d4b/0x26c0 drivers/base/core.c:3428
 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:5663 [inline]
 hub_event+0x5559/0x8050 drivers/usb/core/hub.c:5745
 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 res created at:
 dm9601_mdio_read+0x49/0xf0 drivers/net/usb/dm9601.c:226
 mii_nway_restart+0x84/0x1d0 drivers/net/mii.c:463

CPU: 0 PID: 28 Comm: kworker/0:1 Not tainted 5.19.0-syzkaller-32655-g1b070a5d1a2c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: usb_hub_wq hub_event
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