[feupan]

I’m not sure I follow. While resizing such area seems excessive to even be possible by the owner, I don’t see how essentially writing on unreadable sectors is a concern. This is essentially piping to /dev/null if you can’t read from it.

[Arnavion]

Growing the OP area == making previously accessible area inaccessible.

Shrinking the OP area == making previously inaccessible area accessible.