BUG: memory leak
unreferenced object 0xffff88801f442c00 (size 64):
  comm "kworker/u11:1", pid 291, jiffies 4295201673
  hex dump (first 32 bytes):
    70 ce 73 1b 80 88 ff ff 70 ce 73 1b 80 88 ff ff  p.s.....p.s.....
    80 ce 73 1b 80 88 ff ff 80 ce 73 1b 80 88 ff ff  ..s.......s.....
  backtrace (crc 183e2b53):
    __kmalloc_cache_noprof+0x445/0x6b0
    hci_inquiry_cache_update+0x487/0x810
    hci_extended_inquiry_result_evt+0x3e7/0x770
    hci_event_packet+0x9dc/0x10e0
    hci_rx_work+0x96c/0x1270
    process_one_work+0x8e1/0x19c0
    worker_thread+0x67e/0xe90
    kthread+0x3c8/0x740
    ret_from_fork+0x38b/0x470
    ret_from_fork_asm+0x1a/0x30

BUG: leak checking failed