Buffer.alloc to init Buffer with a length

core/archive_util.js

@@ -120,7 +120,7 @@ module.exports = class ArchiveUtil {
 				return cb(err);
 			}
 
-			const buf = Buffer.from(this.longestSignature);
+			const buf = Buffer.alloc(this.longestSignature);
 			fs.read(fd, buf, 0, buf.length, 0, (err, bytesRead) => {
 				if(err) {
 					return cb(err);