I meant a miner claiming more in the coinbase's output than subsidy + fees allow.
Pieter Wuille mentions "subsidy fraud" in his recent talk:
https://youtu.be/fst1IK_mrng?t=57m2s
I was unable to google what this is, and the Bitcoin Wiki also does not seem
to explain it.
If this is a well-known problem, perhaps it would be a good idea to explain it
somewhere?