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core/rawdb: fix underflow in freezer inspect for empty ancients

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VolodymyrBg 2025-11-16 13:13:42 +02:00 committed by GitHub
parent 5e6f7374de
commit 030f628ca7
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GPG key ID: B5690EEEBB952194
1 changed files with 15 additions and 6 deletions
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21
core/rawdb/ancient_utils.go
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@ -31,15 +31,19 @@ type tableSize struct {
// freezerInfo contains the basic information of the freezer. // freezerInfo contains the basic information of the freezer.
type freezerInfo struct { type freezerInfo struct {
name string // The identifier of freezer name string // The identifier of freezer
head uint64 // The number of last stored item in the freezer ancients uint64 // The total number of stored items in the freezer
tail uint64 // The number of first stored item in the freezer head uint64 // The number of last stored item in the freezer, valid only if ancients > 0
sizes []tableSize // The storage size per table tail uint64 // The number of first stored item in the freezer
sizes []tableSize // The storage size per table
} }
// count returns the number of stored items in the freezer. // count returns the number of stored items in the freezer.
func (info *freezerInfo) count() uint64 { func (info *freezerInfo) count() uint64 {
return info.head - info.tail + 1 if info.ancients <= info.tail {
return 0
}
return info.ancients - info.tail
} }
// size returns the storage size of the entire freezer. // size returns the storage size of the entire freezer.
@ -65,7 +69,12 @@ func inspect(name string, order map[string]freezerTableConfig, reader ethdb.Anci
if err != nil { if err != nil {
return freezerInfo{}, err return freezerInfo{}, err
} }
info.head = ancients - 1 info.ancients = ancients
if ancients > 0 {
info.head = ancients - 1
} else {
info.head = 0
}
// Retrieve the number of first stored item // Retrieve the number of first stored item
tail, err := reader.Tail() tail, err := reader.Tail()