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check for negative index values

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Kubernetes-commit: 113ff3bb9854d6c5c4e8d1a66749075c480130a9
This commit is contained in:
juanvallejo 2017-07-11 15:10:19 -04:00 committed by Kubernetes Publisher
parent 517feb7802
commit f0c66765d7
1 changed files with 2 additions and 2 deletions
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4
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)
}
}