Fix check for sys_out_of_gas

Author: fridrik01

fvm/src/call_manager/default.rs

@@ -809,7 +809,10 @@ where
                 update_gas_available(&mut store)?;
 
                 let mut out = [wasmtime::Val::I32(0)];
-                func.call(&mut store, params.as_slice(), &mut out)?;
+                let res = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| {
+                    func.call(&mut store, params.as_slice(), &mut out)
+                }))
+                .map_err(|panic| Abort::Fatal(anyhow!("panic within actor: {:?}", panic)))?;
 
                 // Charge for any remaining uncharged execution gas, returning an error if we run
                 // out.
@@ -819,6 +822,10 @@ where
                 // detected it and returned OutOfGas above. Any other invocation failure is returned
                 // here as an Abort
 
+                if let Err(err) = res {
+                    return Err(err.into());
+                }
+
                 Ok(out[0].unwrap_i32() as u32)
             })();
 

testing/integration/tests/main.rs

@@ -589,14 +589,14 @@ fn test_exitcode(wat: &str, code: ExitCode) {
 }
 
 #[test]
-fn infinite_loop() {
+fn out_of_gas() {
     test_exitcode(
         r#"(module
              (memory (export "memory") 1)
              (func (export "invoke") (param $x i32) (result i32)
                (loop (br 0))
                (i32.const 1)))"#,
-        ExitCode::SYS_ILLEGAL_INSTRUCTION,
+        ExitCode::SYS_OUT_OF_GAS,
     )
 }