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check for overflow

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Co-authored-by: Jordan Liggitt <jordan@liggitt.net>
This commit is contained in:
Joe Betz
2023-08-22 10:02:10 -07:00
committed by GitHub
parent 87cf890632
commit b1223e0d1a
1 changed files with 6 additions and 2 deletions
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8
staging/src/k8s.io/apiserver/pkg/cel/library/cost.go
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@@ -131,8 +131,10 @@ func (l *CostEstimator) EstimateCallCost(function, overloadId string, target *ch
// find the longest replacement:
if toReplaceSz.Min == 0 {
// if the string being replaced is empty, replace surrounds all characters in the input string with the replacement.
if replaceCount.Max < math.MaxUint64 {
if sz.Max < math.MaxUint64 {
replaceCount.Max = sz.Max + 1
} else {
replaceCount.Max = sz.Max
}
// Include the length of the longest possible original string length.
retainedSz.Max = sz.Max
@@ -149,8 +151,10 @@ func (l *CostEstimator) EstimateCallCost(function, overloadId string, target *ch
// find the shortest replacement:
if toReplaceSz.Max == 0 {
// if the string being replaced is empty, replace surrounds all characters in the input string with the replacement.
if replaceCount.Min < math.MaxUint64 {
if sz.Min < math.MaxUint64 {
replaceCount.Min = sz.Min + 1
} else {
replaceCount.Min = sz.Min
}
// Include the length of the shortest possible original string length.
retainedSz.Min = sz.Min