Add VFS2 plumbing for extended attributes.

PiperOrigin-RevId: 286281274

1 files changed, 20 insertions, 0 deletions

diff --git a/pkg/sentry/vfs/testutil.go b/pkg/sentry/vfs/testutil.go
index 7a1d9e383..d94117bce 100644
--- a/pkg/sentry/vfs/testutil.go
+++ b/pkg/sentry/vfs/testutil.go
@@ -117,6 +117,26 @@ func (fs *FDTestFilesystem) UnlinkAt(ctx context.Context, rp *ResolvingPath) err
 	return syserror.EPERM
 }
 
+// ListxattrAt implements FilesystemImpl.ListxattrAt.
+func (fs *FDTestFilesystem) ListxattrAt(ctx context.Context, rp *ResolvingPath) ([]string, error) {
+	return nil, syserror.EPERM
+}
+
+// GetxattrAt implements FilesystemImpl.GetxattrAt.
+func (fs *FDTestFilesystem) GetxattrAt(ctx context.Context, rp *ResolvingPath, name string) (string, error) {
+	return "", syserror.EPERM
+}
+
+// SetxattrAt implements FilesystemImpl.SetxattrAt.
+func (fs *FDTestFilesystem) SetxattrAt(ctx context.Context, rp *ResolvingPath, opts SetxattrOptions) error {
+	return syserror.EPERM
+}
+
+// RemovexattrAt implements FilesystemImpl.RemovexattrAt.
+func (fs *FDTestFilesystem) RemovexattrAt(ctx context.Context, rp *ResolvingPath, name string) error {
+	return syserror.EPERM
+}
+
 // PrependPath implements FilesystemImpl.PrependPath.
 func (fs *FDTestFilesystem) PrependPath(ctx context.Context, vfsroot, vd VirtualDentry, b *fspath.Builder) error {
 	b.PrependComponent(fmt.Sprintf("vfs.fdTestDentry:%p", vd.dentry.impl.(*fdTestDentry)))