What you're talking about is referred to as source address validation [2] also known as strict reverse path forwarding (RPF) [3].
[1] https://datatracker.ietf.org/doc/html/rfc1812#section-5.3.7
[2] https://datatracker.ietf.org/doc/html/rfc1812#section-5.3.8
[3] https://datatracker.ietf.org/doc/html/rfc3704#section-2.2