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Merge pull request #44571 from rpothier/cidr_set_indices
Automatic merge from submit-queue Fixes an issue in cide_set.go Function getBeginingAndEndIndices may return end index too big **What this PR does / why we need it**: Fixes getBeginingAndEndIndices() in cidr_set.go End index is off by one when s.clusterMaskSize >= maskSize **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #44558 **Special notes for your reviewer**: **Release note**: ```release-note ```
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commit
9c17779924
@ -79,7 +79,7 @@ func (s *cidrSet) allocateNext() (*net.IPNet, error) {
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}
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}
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func (s *cidrSet) getBeginingAndEndIndices(cidr *net.IPNet) (begin, end int, err error) {
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func (s *cidrSet) getBeginingAndEndIndices(cidr *net.IPNet) (begin, end int, err error) {
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begin, end = 0, s.maxCIDRs
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begin, end = 0, s.maxCIDRs-1
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cidrMask := cidr.Mask
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cidrMask := cidr.Mask
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maskSize, _ := cidrMask.Size()
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maskSize, _ := cidrMask.Size()
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@ -249,7 +249,7 @@ func TestOccupy(t *testing.T) {
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subNetMaskSize: 16,
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subNetMaskSize: 16,
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subNetCIDRStr: "127.0.0.0/8",
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subNetCIDRStr: "127.0.0.0/8",
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expectedUsedBegin: 0,
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expectedUsedBegin: 0,
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expectedUsedEnd: 256,
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expectedUsedEnd: 255,
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expectErr: false,
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expectErr: false,
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},
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},
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{
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{
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@ -257,7 +257,7 @@ func TestOccupy(t *testing.T) {
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subNetMaskSize: 16,
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subNetMaskSize: 16,
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subNetCIDRStr: "127.0.0.0/2",
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subNetCIDRStr: "127.0.0.0/2",
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expectedUsedBegin: 0,
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expectedUsedBegin: 0,
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expectedUsedEnd: 256,
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expectedUsedEnd: 255,
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expectErr: false,
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expectErr: false,
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},
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},
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{
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{
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