diff --git a/.golangci.yml b/.golangci.yml
index eeeb28be1..bd370b77e 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -26,11 +26,11 @@ linters:
   enable:
     - asciicheck
     - bodyclose
+    - copyloopvar
     # - dogsled
     # - dupl
     - errcheck
     # - exhaustive
-    - exportloopref
     # - funlen
     # - gci
     # - gochecknoglobals
diff --git a/conv/conv.go b/conv/conv.go
index 099f67803..9a7f77ecc 100644
--- a/conv/conv.go
+++ b/conv/conv.go
@@ -194,13 +194,15 @@ func ToInt64(v interface{}) (int64, error) {
 	case reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Int:
 		return val.Int(), nil
 	case reflect.Uint8, reflect.Uint16, reflect.Uint32:
+		//nolint:gosec // G115 is not applicable, we can safely convert these
 		return int64(val.Uint()), nil
 	case reflect.Uint, reflect.Uint64:
-		tv := val.Uint()
+		if !val.CanUint() {
+			return -1, fmt.Errorf("could not convert %v to int64", v)
+		}
 
-		// this can overflow and give -1, but IMO this is better than
-		// returning maxint64
-		return int64(tv), nil
+		//nolint:gosec // G115 is not applicable, we already checked
+		return int64(val.Uint()), nil
 	case reflect.Float32, reflect.Float64:
 		return int64(val.Float()), nil
 	case reflect.Bool:
diff --git a/conv/evalargs.go b/conv/evalargs.go
index b802e13de..f7df2ec1b 100644
--- a/conv/evalargs.go
+++ b/conv/evalargs.go
@@ -22,7 +22,7 @@ func printableValue(v reflect.Value) (interface{}, bool) {
 	}
 
 	if !v.Type().Implements(errorType) && !v.Type().Implements(fmtStringerType) {
-		if v.CanAddr() && (reflect.PtrTo(v.Type()).Implements(errorType) || reflect.PtrTo(v.Type()).Implements(fmtStringerType)) {
+		if v.CanAddr() && (reflect.PointerTo(v.Type()).Implements(errorType) || reflect.PointerTo(v.Type()).Implements(fmtStringerType)) {
 			v = v.Addr()
 		} else {
 			switch v.Kind() {