keytouch 0003:0926:3333.0027: fixing up Keytouch IEC report descriptor input: HID 0926:3333 as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.0/0003:0926:3333.0027/input/input66 ===================================================== BUG: KMSAN: uninit-value in kstrdup_const+0xb9/0x260 mm/util.c:80 kstrdup_const+0xb9/0x260 mm/util.c:80 kvasprintf_const+0x346/0x3f0 kobject_set_name_vargs+0x12f/0x3a0 lib/kobject.c:289 device_create_groups_vargs drivers/base/core.c:4048 [inline] device_create_with_groups+0x4b5/0x710 drivers/base/core.c:4138 led_classdev_register_ext+0x88d/0x1250 drivers/leds/led-class.c:372 led_classdev_register include/linux/leds.h:196 [inline] input_leds_connect+0xa79/0xf70 drivers/input/input-leds.c:139 input_attach_handler drivers/input/input.c:1035 [inline] input_register_device+0x1e3d/0x2270 drivers/input/input.c:2335 hidinput_connect+0x39a5/0x4630 drivers/hid/hid-input.c:2010 hid_connect+0x761/0x1b10 drivers/hid/hid-core.c:1952 hid_hw_start+0x194/0x2a0 drivers/hid/hid-core.c:2059 hid_device_probe+0x78d/0x7a0 drivers/hid/hid-core.c:2291 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 hid_add_device+0x7fb/0x970 drivers/hid/hid-core.c:2437 usbhid_probe+0x149a/0x17d0 drivers/hid/usbhid/hid-core.c:1424 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 worker_thread+0x10bc/0x21f0 kernel/workqueue.c:2445 kthread+0x721/0x850 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 Local variable tmp created at: number+0xad/0x23d0 lib/vsprintf.c:453 vsnprintf+0x1f0d/0x3650 lib/vsprintf.c:2871 CPU: 1 PID: 6213 Comm: kworker/1:0 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 =====================================================