harness fix

fuzzers/libfuzzer_libpng/harness.cc

@@ -154,12 +154,14 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     return 0;
   }
 
+#ifdef HAS_BUG
   // This is going to be too slow.
   if (width && height > 100000000 / width) {
     PNG_CLEANUP
     asm("ud2");
     return 0;
   }
+#endif
 
   // Set several transforms that browsers typically use:
   png_set_gray_to_rgb(png_handler.png_ptr);

fuzzers/libfuzzer_libpng/src/mod.rs

@@ -7,18 +7,15 @@ use std::{env, path::PathBuf, process::Command};
 use afl::{
     corpus::{Corpus, InMemoryCorpus},
     engines::{Engine, Fuzzer, State, StdFuzzer},
-    events::{
-        llmp::LlmpReceiver,
-        llmp::LlmpSender,
-        shmem::{AflShmem, ShMem},
-        EventManager, LlmpEventManager, SimpleStats,
-    },
+    events::{EventManager, LlmpEventManager, SimpleStats},
     executors::{inmemory::InMemoryExecutor, Executor, ExitKind},
     feedbacks::MaxMapFeedback,
     generators::RandPrintablesGenerator,
     inputs::BytesInput,
+    llmp::{LlmpReceiver, LlmpSender},
     mutators::{scheduled::HavocBytesMutator, HasMaxSize},
     observers::StdMapObserver,
+    shmem::{AflShmem, ShMem},
     stages::mutational::StdMutationalStage,
     tuples::tuple_list,
     utils::{deserialize_state_corpus_mgr, serialize_state_corpus_mgr, StdRand},