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check for negative index values

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juanvallejo 2017-07-11 15:10:19 -04:00
parent 0744964956
commit 113ff3bb98
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1 changed files with 2 additions and 2 deletions
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4
staging/src/k8s.io/client-go/util/jsonpath/jsonpath.go
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@ -259,10 +259,10 @@ func (j *JSONPath) evalArray(input []reflect.Value, node *ArrayNode) ([]reflect.
sliceLength := value.Len()
if params[1].Value != params[0].Value { // if you're requesting zero elements, allow it through.
if params[0].Value >= sliceLength {
if params[0].Value >= sliceLength || params[0].Value < 0 {
return input, fmt.Errorf("array index out of bounds: index %d, length %d", params[0].Value, sliceLength)
}
if params[1].Value > sliceLength {
if params[1].Value > sliceLength || params[1].Value < 0 {
return input, fmt.Errorf("array index out of bounds: index %d, length %d", params[1].Value-1, sliceLength)
}
}