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[#1492] metabase: Ensure Unmarshal() is called on a cloned slice

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The slice returned from bucket.Get() is only valid during the tx
lifetime. Cloning it is not necessary everywhere, but better safe than
sorry.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
This commit is contained in:
Evgenii Stratonikov 2024-11-13 10:07:32 +03:00 committed by Evgenii Stratonikov
parent b451de94c8
commit 8ed7a676d5
5 changed files with 10 additions and 7 deletions
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3
pkg/local_object_storage/metabase/exists.go
View file

@ -1,6 +1,7 @@
package meta
import (
"bytes"
"context"
"fmt"
"time"
@ -215,7 +216,7 @@ func getSplitInfo(tx *bbolt.Tx, cnr cid.ID, key []byte) (*objectSDK.SplitInfo, e
splitInfo := objectSDK.NewSplitInfo()
err := splitInfo.Unmarshal(rawSplitInfo)
err := splitInfo.Unmarshal(bytes.Clone(rawSplitInfo))
if err != nil {
return nil, fmt.Errorf("can't unmarshal split info from root index: %w", err)
}

4
pkg/local_object_storage/metabase/get.go
View file

@ -185,7 +185,7 @@ func getVirtualObject(tx *bbolt.Tx, cnr cid.ID, key []byte, raw bool) (*objectSD
child := objectSDK.New()
err = child.Unmarshal(data)
err = child.Unmarshal(bytes.Clone(data))
if err != nil {
return nil, fmt.Errorf("can't unmarshal child with parent: %w", err)
}
@ -219,7 +219,7 @@ func getECInfoError(tx *bbolt.Tx, cnr cid.ID, data []byte) error {
objData := getFromBucket(tx, primaryBucketName(cnr, make([]byte, bucketKeySize)), key)
if len(objData) != 0 {
obj := objectSDK.New()
if err := obj.Unmarshal(objData); err != nil {
if err := obj.Unmarshal(bytes.Clone(objData)); err != nil {
return err
}
chunk := objectSDK.ECChunk{}

3
pkg/local_object_storage/metabase/iterators.go
View file

@ -1,6 +1,7 @@
package meta
import (
"bytes"
"context"
"errors"
"fmt"
@ -195,7 +196,7 @@ func iteratePhyObjects(tx *bbolt.Tx, f func(cid.ID, oid.ID, *objectSDK.Object) e
}
return b.ForEach(func(k, v []byte) error {
if oid.Decode(k) == nil && obj.Unmarshal(v) == nil {
if oid.Decode(k) == nil && obj.Unmarshal(bytes.Clone(v)) == nil {
return f(cid, oid, obj)
}

4
pkg/local_object_storage/metabase/list.go
View file

@ -247,7 +247,7 @@ func selectNFromBucket(bkt *bbolt.Bucket, // main bucket
var ecInfo *objectcore.ECInfo
if objType == objectSDK.TypeRegular {
var o objectSDK.Object
if err := o.Unmarshal(v); err != nil {
if err := o.Unmarshal(bytes.Clone(v)); err != nil {
return nil, nil, nil, err
}
isLinkingObj = isLinkObject(&o)
@ -413,7 +413,7 @@ func (db *DB) iterateOverObjectsInContainer(ctx context.Context, tx *bbolt.Tx, p
var ecInfo *objectcore.ECInfo
if prm.ObjectType == objectSDK.TypeRegular {
var o objectSDK.Object
if err := o.Unmarshal(v); err != nil {
if err := o.Unmarshal(bytes.Clone(v)); err != nil {
return err
}
isLinkingObj = isLinkObject(&o)

3
pkg/local_object_storage/metabase/put.go
View file

@ -1,6 +1,7 @@
package meta
import (
"bytes"
"context"
"encoding/binary"
"errors"
@ -313,7 +314,7 @@ func updateSplitInfoIndex(tx *bbolt.Tx, objKey []byte, cnr cid.ID, bucketName []
return si.Marshal()
default:
oldSI := objectSDK.NewSplitInfo()
if err := oldSI.Unmarshal(old); err != nil {
if err := oldSI.Unmarshal(bytes.Clone(old)); err != nil {
return nil, err
}
si = util.MergeSplitInfo(si, oldSI)