rpcdaemon: crash executing trace_filter

[Sixtysixter]

Calling trace filter API with the following input

{
  "request": {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "trace_filter",
    "params": [
      {
        "fromBlock": "0x1425556",
        "toBlock": "0x1425556"
      }
    ]
  }

the rpcdaemon crashes.