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tsdb: Avoid potential overflow in comparisons

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Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>
This commit is contained in:
Arve Knudsen 2023-10-10 10:26:03 +02:00
parent 02680b42f6
commit 4e5bb43fed
1 changed files with 10 additions and 1 deletions
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11
cmd/promtool/tsdb.go
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@ -459,7 +459,16 @@ func analyzeBlock(ctx context.Context, path, blockID string, limit int, runExten
postingInfos := []postingInfo{} postingInfos := []postingInfo{}
printInfo := func(postingInfos []postingInfo) { printInfo := func(postingInfos []postingInfo) {
slices.SortFunc(postingInfos, func(a, b postingInfo) int { return int(b.metric) - int(a.metric) }) slices.SortFunc(postingInfos, func(a, b postingInfo) int {
switch {
case b.metric < a.metric:
return -1
case b.metric > a.metric:
return 1
default:
return 0
}
})
for i, pc := range postingInfos { for i, pc := range postingInfos {
if i >= limit { if i >= limit {