fix: issue 3840 (#3845)

2024-01-13 23:48:50 +08:00
parent 9e33b557b1
commit 408827d876
3 changed files with 35 additions and 3 deletions
--- a/core/mapping/unmarshaler.go
+++ b/core/mapping/unmarshaler.go
@@ -625,7 +625,12 @@ func (u *Unmarshaler) processFieldPrimitiveWithJSONNumber(fieldType reflect.Type
 			return err
 		}

-		if value.OverflowFloat(fValue) {
+		// if value is a pointer, we need to check overflow with the pointer's value.
+		overflowValidator := value
+		if overflowValidator.Type().Kind() == reflect.Ptr {
+			overflowValidator = overflowValidator.Elem()
+		}
+		if overflowValidator.OverflowFloat(fValue) {
 			return fmt.Errorf("parsing %q as float32: value out of range", v.String())
 		}