BUG: memory leak unreferenced object 0xffff888113562400 (size 32): comm "kworker/0:2", pid 8676, jiffies 4295045802 (age 18.370s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] __usbhid_submit_report+0x116/0x490 drivers/hid/usbhid/hid-core.c:590 [] usbhid_submit_report drivers/hid/usbhid/hid-core.c:640 [inline] [] usbhid_request+0x59/0xa0 drivers/hid/usbhid/hid-core.c:1274 [] hidinput_led_worker+0x59/0x160 drivers/hid/hid-input.c:1555 [] process_one_work+0x2c9/0x610 kernel/workqueue.c:2276 [] worker_thread+0x59/0x5d0 kernel/workqueue.c:2422 [] kthread+0x188/0x1d0 kernel/kthread.c:319 [] ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295