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fix libfuzzer custom mutator and add introspection function

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This commit is contained in:
van Hauser
2020-11-10 13:43:48 +01:00
parent 82d1c3e18d
commit 1661303248
6 changed files with 59 additions and 3 deletions
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7
custom_mutators/libfuzzer/FuzzerIO.cpp
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@ -83,6 +83,8 @@ void WriteToFile(const std::string &Data, const std::string &Path) {
void WriteToFile(const uint8_t *Data, size_t Size, const std::string &Path) {
return;
// Use raw C interface because this function may be called from a sig handler.
FILE *Out = fopen(Path.c_str(), "wb");
if (!Out) return;
@ -93,6 +95,8 @@ void WriteToFile(const uint8_t *Data, size_t Size, const std::string &Path) {
void AppendToFile(const std::string &Data, const std::string &Path) {
return;
AppendToFile(reinterpret_cast<const uint8_t *>(Data.data()), Data.size(),
Path);
@ -100,6 +104,8 @@ void AppendToFile(const std::string &Data, const std::string &Path) {
void AppendToFile(const uint8_t *Data, size_t Size, const std::string &Path) {
return;
FILE *Out = fopen(Path.c_str(), "a");
if (!Out) return;
fwrite(Data, sizeof(Data[0]), Size, Out);
@ -182,6 +188,7 @@ void Printf(const char *Fmt, ...) {
void VPrintf(bool Verbose, const char *Fmt, ...) {
return;
if (!Verbose) return;
va_list ap;
va_start(ap, Fmt);