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fix: add mutex for thread-safe access in indexReader and historyReader

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This commit is contained in:
bbaktaeho 2025-11-13 13:40:30 +09:00
parent 3d2a4cb053
commit ce3a30967d
2 changed files with 17 additions and 0 deletions
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10
triedb/pathdb/history_index.go
View file

@ -21,6 +21,7 @@ import (
"fmt"
"math"
"sort"
"sync"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/ethdb"
@ -74,6 +75,8 @@ type indexReader struct {
descList []*indexBlockDesc
readers map[uint32]*blockReader
state stateIdent
mu sync.RWMutex
}
// loadIndexData loads the index data associated with the specified state.
@ -103,6 +106,9 @@ func newIndexReader(db ethdb.KeyValueReader, state stateIdent) (*indexReader, er
// refresh reloads the last section of index data to account for any additional
// elements that may have been written to disk.
func (r *indexReader) refresh() error {
r.mu.Lock()
defer r.mu.Unlock()
// Release the reader for the last section of index data, as its content
// may have been modified by additional elements written to the disk.
if len(r.descList) != 0 {
@ -130,7 +136,9 @@ func (r *indexReader) readGreaterThan(id uint64) (uint64, error) {
}
desc := r.descList[index]
r.mu.RLock()
br, ok := r.readers[desc.id]
r.mu.RUnlock()
if !ok {
var err error
blob := readStateIndexBlock(r.state, r.db, desc.id)
@ -138,7 +146,9 @@ func (r *indexReader) readGreaterThan(id uint64) (uint64, error) {
if err != nil {
return 0, err
}
r.mu.Lock()
r.readers[desc.id] = br
r.mu.Unlock()
}
// The supplied ID is not greater than block.max, ensuring that an element
// satisfying the condition can be found.

7
triedb/pathdb/history_reader.go
View file

@ -23,6 +23,7 @@ import (
"fmt"
"math"
"sort"
"sync"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/rawdb"
@ -104,6 +105,8 @@ type historyReader struct {
disk ethdb.KeyValueReader
freezer ethdb.AncientReader
readers map[string]*indexReaderWithLimitTag
mu sync.RWMutex
}
// newHistoryReader constructs the history reader with the supplied db.
@ -248,15 +251,19 @@ func (r *historyReader) read(state stateIdentQuery, stateID uint64, lastID uint6
return nil, fmt.Errorf("state history is not fully indexed, requested: %d, indexed: %s", stateID, indexed)
}
r.mu.RLock()
// Construct the index reader to locate the corresponding history for
// state retrieval
ir, ok := r.readers[state.String()]
r.mu.RUnlock()
if !ok {
ir, err = newIndexReaderWithLimitTag(r.disk, state.stateIdent, metadata.Last)
if err != nil {
return nil, err
}
r.mu.Lock()
r.readers[state.String()] = ir
r.mu.Unlock()
}
historyID, err := ir.readGreaterThan(stateID, lastID)
if err != nil {