Old regex for NumberLong in formatAsJsonLogLine assumed that the number will be in quotes: NumberLong("123") and it crashes when trying to format NumberLong(X) when |X| < 2^31 - a limit when NumberLong.toString() starts adding quotes: https://github.com/mongodb/mongo/blob/0821fec802924bb44db7697235d4e749048cb887/src/mongo/scripting/mozjs/common/types/numberlong.cpp#L112

We didn't hit this issue because in all cases where we hit NumberLong in jstests is cursorId and they are random 64-bit integers, so the probability of them being less than 2^31 is very small.

I hit this bug when I had cursorId == 0.