comments

fuzzers/libfuzzer_libpng/src/mod.rs

@@ -84,10 +84,16 @@ fn fuzz(corpus_dirs: Vec<PathBuf>, objective_dir: PathBuf, broker_port: u16) ->
     // If not restarting, create a State from scratch
     let mut state = state.unwrap_or_else(|| {
         State::new(
+            // RNG
             StdRand::new(current_nanos()),
+            // Corpus that will be evolved, we keep it in memory for performance
             InMemoryCorpus::new(),
+             // Feedbacks to rate the interestingness of an input
             tuple_list!(MaxMapFeedback::new_with_observer("edges", &edges_observer)),
+            // Corpus in which we store solutions (crashes in this example),
+            // on disk so the user can get them after stopping the fuzzer
             OnDiskCorpus::new(objective_dir),
+            // Feedbacks to recognize an input as solution
             tuple_list!(CrashFeedback::new()),
         )
     });