Large silo quota amount could crash nexus

[askfongjojo]

$ oxide silo quotas update --silo silo11 --storage 9999999999999999999999
error: invalid value '9999999999999999999999' for '--storage <storage>': number too large to fit in target type

For more information, try '--help'.
$ oxide silo quotas update --silo silo11 --storage 999999999999999999999
error: invalid value '999999999999999999999' for '--storage <storage>': number too large to fit in target type

For more information, try '--help'.
$ oxide silo quotas update --silo silo11 --storage 99999999999999999999
error: invalid value '99999999999999999999' for '--storage <storage>': number too large to fit in target type

For more information, try '--help'.
$ oxide silo quotas update --silo silo11 --storage 9999999999999999999
error
Communication Error: error sending request for url (https://oxide.sys.rack2.eng.oxide.computer/v1/system/silos/silo11/quotas): connection closed before message completed
$ oxide silo quotas update --silo silo11 --storage 999999999999999999
{
  "cpus": 16,
  "memory": 85899345920,
  "silo_id": "c7dd16b8-255e-4300-8e52-7396a72caf3e",
  "storage": 999999999999999999
}

The 9999999999999999999 number happens to be not caught by the API validation. It crashed nexus (but it did come back on its own):

thread 'tokio-runtime-worker' panicked at {"msg":"authorize result","v":0,"name":"nexus","level":20,"time":"2024-05-10T16:06:24.007618634Z","hostname":"oxz_nexus_65a11c18-7f59-41ac-b9e7-68
0627f996e7","pid":11207,"actor_id":"906e74cb-eab8-4a87-bda8-2cb0914bf853","authenticated":true,"uri":"/v1/system/silos/silo11/quotas","method":"PUT","req_id":"2ab1446e-c689-4bd1-a979-3850a
4ec63ca","remote_addr":"172.20.17.42:49720","local_addr":"172.30.2.5:443","component":"dropshot_external","name":"65a11c18-7f59-41ac-b9e7-680627f996e7","result":"Ok(())","resource":"Silo {
 parent: Fleet, key: c7dd16b8-255e-4300-8e52-7396a72caf3e, lookup_type: ByName(\"silo11\") }","action":"Modify","actor":"Some(Actor::SiloUser { silo_user_id: 906e74cb-eab8-4a87-bda8-2cb091
4bf853, silo_id: 7bd7623a-68ed-4636-8ecb-b59e3b068787, .. })"}
common/src/api/external/mod.rs:630:28:
called `Result::unwrap()` on an `Err` value: TryFromIntError(())
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[ May 10 16:06:24 Stopping because all processes in service exited. ]
[ May 10 16:06:24 Executing stop method (:kill). ]