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fix: avoid integer overflow in mapping.Unmarshal (#3582)

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This commit is contained in:
Kevin Wan
2023-09-21 22:22:33 +08:00
committed by GitHub
parent 18d66a795d
commit ded2888759
3 changed files with 369 additions and 18 deletions
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19
core/mapping/unmarshaler.go
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@@ -609,24 +609,11 @@ func (u *Unmarshaler) processFieldPrimitiveWithJSONNumber(fieldType reflect.Type
target := reflect.New(Deref(fieldType)).Elem()
switch typeKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
iValue, err := v.Int64()
if err != nil {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
if err := setValueFromString(typeKind, target, v.String()); err != nil {
return err
}
target.SetInt(iValue)
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
iValue, err := v.Int64()
if err != nil {
return err
}
if iValue < 0 {
return fmt.Errorf("unmarshal %q with bad value %q", fullName, v.String())
}
target.SetUint(uint64(iValue))
case reflect.Float32, reflect.Float64:
fValue, err := v.Float64()
if err != nil {