microsoft 0003:045E:07DA.0001: unknown main item tag 0x0
microsoft 0003:045E:07DA.0001: unknown main item tag 0x0
=====================================================
BUG: KMSAN: kernel-usb-infoleak in kmsan_handle_urb+0x28/0x40 mm/kmsan/kmsan_hooks.c:381
CPU: 1 PID: 3619 Comm: kworker/1:2 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+0x14a/0x2f0 mm/kmsan/kmsan_report.c:109
 kmsan_internal_check_memory+0x3bb/0x4e0 mm/kmsan/kmsan.c:469
 kmsan_handle_urb+0x28/0x40 mm/kmsan/kmsan_hooks.c:381
 usb_submit_urb+0x7ef/0x1f50 drivers/usb/core/urb.c:405
 hid_submit_ctrl+0xb2e/0x1120 drivers/hid/usbhid/hid-core.c:416
 usbhid_restart_ctrl_queue+0x327/0x4e0 drivers/hid/usbhid/hid-core.c:258
 __usbhid_submit_report drivers/hid/usbhid/hid-core.c:601 [inline]
 usbhid_submit_report+0x924/0x1200 drivers/hid/usbhid/hid-core.c:638
 usbhid_request+0xc6/0xe0 drivers/hid/usbhid/hid-core.c:1253
 hid_hw_request include/linux/hid.h:1053 [inline]
 __hidinput_change_resolution_multipliers+0x132/0x6a0 drivers/hid/hid-input.c:1566
 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1604 [inline]
 hidinput_connect+0x2b9a/0x4220 drivers/hid/hid-input.c:1914
 hid_connect+0x582/0x15c0 drivers/hid/hid-core.c:1877
 hid_hw_start+0x141/0x230 drivers/hid/hid-core.c:1981
 ms_probe+0x39b/0x8f0 drivers/hid/hid-microsoft.c:388
 hid_device_probe+0x490/0x820 drivers/hid/hid-core.c:2209
 really_probe+0xcc2/0x1f90 drivers/base/dd.c:548
 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
 hid_add_device+0x12f1/0x1440 drivers/hid/hid-core.c:2365
 usbhid_probe+0x152b/0x1880 drivers/hid/usbhid/hid-core.c:1386
 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
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x189c/0x2460 kernel/workqueue.c:2417
 kthread+0x4b5/0x4f0 kernel/kthread.c:256
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Uninit was created at:
 kmsan_save_stack_with_flags mm/kmsan/kmsan.c:150 [inline]
 kmsan_internal_poison_shadow+0x60/0x110 mm/kmsan/kmsan.c:133
 kmsan_slab_alloc+0xaa/0x130 mm/kmsan/kmsan_hooks.c:101
 slab_alloc_node mm/slub.c:2792 [inline]
 slab_alloc mm/slub.c:2801 [inline]
 __kmalloc+0x28e/0x430 mm/slub.c:3832
 kmalloc include/linux/slab.h:561 [inline]
 hcd_buffer_alloc+0x242/0x560 drivers/usb/core/buffer.c:132
 usb_alloc_coherent+0x11a/0x190 drivers/usb/core/usb.c:910
 hid_alloc_buffers drivers/hid/usbhid/hid-core.c:851 [inline]
 usbhid_start+0xf60/0x3970 drivers/hid/usbhid/hid-core.c:1075
 hid_hw_start+0x9a/0x230 drivers/hid/hid-core.c:1976
 ms_probe+0x39b/0x8f0 drivers/hid/hid-microsoft.c:388
 hid_device_probe+0x490/0x820 drivers/hid/hid-core.c:2209
 really_probe+0xcc2/0x1f90 drivers/base/dd.c:548
 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
 hid_add_device+0x12f1/0x1440 drivers/hid/hid-core.c:2365
 usbhid_probe+0x152b/0x1880 drivers/hid/usbhid/hid-core.c:1386
 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
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x189c/0x2460 kernel/workqueue.c:2417
 kthread+0x4b5/0x4f0 kernel/kthread.c:256
 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355

Bytes 0-4095 of 4096 are uninitialized
Memory access of size 4096 starts at ffff8881020af000
=====================================================