usb 1-1: config 0 descriptor?? usb 1-1: reset high-speed USB device number 2 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: Using ep0 maxpacket: 16 ieee80211 phy3: rt2x00usb_vendor_request: Error - Vendor Request 0x09 failed for offset 0x0000 with error -71 ===================================================== BUG: KMSAN: uninit-value in rt2500usb_regbusy_read drivers/net/wireless/ralink/rt2x00/rt2500usb.c:105 [inline] BUG: KMSAN: uninit-value in rt2500usb_bbp_read+0x188/0x6d0 drivers/net/wireless/ralink/rt2x00/rt2500usb.c:161 CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-rc3+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x191/0x1f0 lib/dump_stack.c:113 kmsan_report+0x128/0x220 mm/kmsan/kmsan_report.c:108 __msan_warning+0x73/0xe0 mm/kmsan/kmsan_instr.c:245 rt2500usb_regbusy_read drivers/net/wireless/ralink/rt2x00/rt2500usb.c:105 [inline] rt2500usb_bbp_read+0x188/0x6d0 drivers/net/wireless/ralink/rt2x00/rt2500usb.c:161 rt2500usb_validate_eeprom drivers/net/wireless/ralink/rt2x00/rt2500usb.c:1376 [inline] rt2500usb_probe_hw+0x3b5/0x22a0 drivers/net/wireless/ralink/rt2x00/rt2500usb.c:1753 rt2x00lib_probe_dev+0xba9/0x3220 drivers/net/wireless/ralink/rt2x00/rt2x00dev.c:1424 rt2x00usb_probe+0x7ae/0xf60 drivers/net/wireless/ralink/rt2x00/rt2x00usb.c:839 rt2500usb_probe+0x50/0x60 drivers/net/wireless/ralink/rt2x00/rt2500usb.c:1966 usb_probe_interface+0xd19/0x1310 drivers/usb/core/driver.c:361 really_probe+0xd91/0x1f90 drivers/base/dd.c:552 driver_probe_device+0x1ba/0x510 drivers/base/dd.c:721 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:828 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:430 __device_attach+0x489/0x750 drivers/base/dd.c:894 device_initial_probe+0x4a/0x60 drivers/base/dd.c:941 bus_probe_device+0x131/0x390 drivers/base/bus.c:490 device_add+0x25b5/0x2df0 drivers/base/core.c:2201 usb_set_configuration+0x309f/0x3710 drivers/usb/core/message.c:2027 generic_probe+0xe7/0x280 drivers/usb/core/generic.c:210 usb_probe_device+0x146/0x200 drivers/usb/core/driver.c:266 really_probe+0xd91/0x1f90 drivers/base/dd.c:552 driver_probe_device+0x1ba/0x510 drivers/base/dd.c:721 __device_attach_driver+0x5b8/0x790 drivers/base/dd.c:828 bus_for_each_drv+0x28e/0x3b0 drivers/base/bus.c:430 __device_attach+0x489/0x750 drivers/base/dd.c:894 device_initial_probe+0x4a/0x60 drivers/base/dd.c:941 bus_probe_device+0x131/0x390 drivers/base/bus.c:490 device_add+0x25b5/0x2df0 drivers/base/core.c:2201 usb_new_device+0x23e5/0x2fb0 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x581d/0x72f0 drivers/usb/core/hub.c:5441 process_one_work+0x1572/0x1ef0 kernel/workqueue.c:2269 worker_thread+0x111b/0x2460 kernel/workqueue.c:2415 kthread+0x4b5/0x4f0 kernel/kthread.c:256 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 Local variable description: ----reg.i.i@rt2500usb_bbp_read Variable was created at: rt2500usb_register_read_lock drivers/net/wireless/ralink/rt2x00/rt2500usb.c:61 [inline] rt2500usb_regbusy_read drivers/net/wireless/ralink/rt2x00/rt2500usb.c:104 [inline] rt2500usb_bbp_read+0xb0/0x6d0 drivers/net/wireless/ralink/rt2x00/rt2500usb.c:161 rt2500usb_register_read_lock drivers/net/wireless/ralink/rt2x00/rt2500usb.c:61 [inline] rt2500usb_regbusy_read drivers/net/wireless/ralink/rt2x00/rt2500usb.c:104 [inline] rt2500usb_bbp_read+0xb0/0x6d0 drivers/net/wireless/ralink/rt2x00/rt2500usb.c:161 =====================================================