internal/outcome/shim: params check early

This is unreachable, but keeping it here as a failsafe until more test cases are added.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/outcome/shim.go

@@ -147,6 +147,9 @@ func shimEntrypoint(k syscallDispatcher) {
 			}
 		}
 	}
+	if stateParams.params.Ops == nil { // unreachable
+		k.fatal("invalid container params")
+	}
 
 	// shim exit outcomes
 	var cancelContainer atomic.Pointer[context.CancelFunc]
@@ -187,10 +190,6 @@ func shimEntrypoint(k syscallDispatcher) {
 		}
 	})
 
-	if stateParams.params.Ops == nil {
-		k.fatal("invalid container params")
-	}
-
 	// close setup socket
 	if err := closeSetup(); err != nil {
 		msg.Verbosef("cannot close setup pipe: %v", err)