A crash would occur when the router tried to match an
against an empty address pattern array.
The following configuration was used to reproduce the
issue:
{
"listeners": {
"127.0.0.1:8082": {
"pass": "routes"
}
},
"routes": [
{
"match": {
"source": []
},
"action": {
"return": 200
}
}
]
}
60cf139961