std::vector<DictionaryEntry> AutoDictionary;
std::vector<Mutator> Mutators;
std::vector<Mutator> CurrentMutatorSequence;
+ std::vector<DictionaryEntry> CurrentDictionaryEntrySequence;
const std::vector<Unit> *Corpus = nullptr;
FuzzerRandomBase &Rand;
size_t Idx = UsePositionHint ? PositionHint : Rand(Size + 1);
memmove(Data + Idx + Word.size(), Data + Idx, Size - Idx);
memcpy(Data + Idx, Word.data(), Word.size());
- return Size + Word.size();
+ Size += Word.size();
} else { // Overwrite some bytes with Word.
if (Word.size() > Size) return 0;
size_t Idx = UsePositionHint ? PositionHint : Rand(Size - Word.size());
memcpy(Data + Idx, Word.data(), Word.size());
- return Size;
}
+ CurrentDictionaryEntrySequence.push_back(DE);
+ return Size;
}
size_t MutationDispatcher::Mutate_ChangeASCIIInteger(uint8_t *Data, size_t Size,
void MutationDispatcher::StartMutationSequence() {
MDImpl->CurrentMutatorSequence.clear();
+ MDImpl->CurrentDictionaryEntrySequence.clear();
}
void MutationDispatcher::PrintMutationSequence() {
Printf("MS: %zd ", MDImpl->CurrentMutatorSequence.size());
for (auto M : MDImpl->CurrentMutatorSequence)
Printf("%s-", M.Name);
+ if (!MDImpl->CurrentDictionaryEntrySequence.empty()) {
+ Printf(" DE: ");
+ for (auto DE : MDImpl->CurrentDictionaryEntrySequence) {
+ Printf("\"");
+ PrintASCII(DE.Word, "\"-");
+ }
+ }
}
// Mutates Data in place, returns new size.
void MutationDispatcher::AddWordToAutoDictionary(const Unit &Word,
size_t PositionHint) {
+ static const size_t kMaxAutoDictSize = 1 << 14;
+ if (MDImpl->AutoDictionary.size() >= kMaxAutoDictSize) return;
MDImpl->AutoDictionary.push_back({Word, PositionHint});
}
+void MutationDispatcher::ClearAutoDictionary() {
+ MDImpl->AutoDictionary.clear();
+}
+
MutationDispatcher::MutationDispatcher(FuzzerRandomBase &Rand) : Rand(Rand) {
MDImpl = new Impl(Rand);
}