fix: dangling objects on actual namespace (#10822)

cmd/erasure-object.go

@@ -364,6 +364,24 @@ func (er erasureObjects) getObjectFileInfo(ctx context.Context, bucket, object s
 	}
 
 	if reducedErr := reduceReadQuorumErrs(ctx, errs, objectOpIgnoredErrs, readQuorum); reducedErr != nil {
+		if reducedErr == errErasureReadQuorum && bucket != minioMetaBucket {
+			if _, ok := isObjectDangling(metaArr, errs, nil); ok {
+				reducedErr = errFileNotFound
+				if opts.VersionID != "" {
+					reducedErr = errFileVersionNotFound
+				}
+				// Remove the dangling object only when:
+				//  - This is a non versioned bucket
+				//  - This is a versioned bucket and the version ID is passed, the reason
+				//    is that we cannot fetch the ID of the latest version when we don't trust xl.meta
+				if !opts.Versioned || opts.VersionID != "" {
+					er.deleteObjectVersion(ctx, bucket, object, 1, FileInfo{
+						Name:      object,
+						VersionID: opts.VersionID,
+					})
+				}
+			}
+		}
 		return fi, nil, nil, toObjectErr(reducedErr, bucket, object)
 	}
 

cmd/fs-v1-multipart_test.go

@@ -21,6 +21,7 @@ import (
 	"context"
 	"os"
 	"path/filepath"
+	"runtime"
 	"sync"
 	"testing"
 	"time"
@@ -195,6 +196,11 @@ func TestCompleteMultipartUpload(t *testing.T) {
 
 // TestCompleteMultipartUpload - test CompleteMultipartUpload
 func TestAbortMultipartUpload(t *testing.T) {
+	if runtime.GOOS == globalWindowsOSName {
+		// Concurrent AbortMultipartUpload() fails on windows
+		t.Skip()
+	}
+
 	// Prepare for tests
 	disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
 	defer os.RemoveAll(disk)
@@ -219,7 +225,6 @@ func TestAbortMultipartUpload(t *testing.T) {
 	if _, err := obj.PutObjectPart(GlobalContext, bucketName, objectName, uploadID, 1, mustGetPutObjReader(t, bytes.NewReader(data), 5, md5Hex, ""), opts); err != nil {
 		t.Fatal("Unexpected error ", err)
 	}
-	time.Sleep(time.Second) // Without Sleep on windows, the fs.AbortMultipartUpload() fails with "The process cannot access the file because it is being used by another process."
 	if err := obj.AbortMultipartUpload(GlobalContext, bucketName, objectName, uploadID, opts); err != nil {
 		t.Fatal("Unexpected error ", err)
 	}

cmd/test-utils_test.go

@@ -2242,9 +2242,15 @@ func generateTLSCertKey(host string) ([]byte, []byte, error) {
 
 func mustGetZoneEndpoints(args ...string) EndpointServerSets {
 	endpoints := mustGetNewEndpoints(args...)
+	drivesPerSet := len(args)
+	setCount := 1
+	if len(args) >= 16 {
+		drivesPerSet = 16
+		setCount = len(args) / 16
+	}
 	return []ZoneEndpoints{{
-		SetCount:     1,
-		DrivesPerSet: len(args),
+		SetCount:     setCount,
+		DrivesPerSet: drivesPerSet,
 		Endpoints:    endpoints,
 	}}
 }