[fix][refactor] fix bugs and refactor some code by lint (#7871)

1. Fix some `passedByValue` issues.
2. Fix some `dereferenceBeforeCheck` issues.
3. Fix some `uninitMemberVar` issues.
4. Fix some iterator `eraseDereference` issues.
5. Fix compile issue introduced from #7923 #7905 #7848

be/src/util/bfd_parser.cpp

@@ -103,7 +103,7 @@ BfdParser* BfdParser::create() {
 
     char prog_name[1024];
     // Ignore unused return value
-    if (fscanf(file, "%s ", prog_name))
+    if (fscanf(file, "%1023s ", prog_name))
         ;
     fclose(file);
     std::unique_ptr<BfdParser> parser(new BfdParser(prog_name));