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So I was curious to start using the libFuzzer, but trying to follow along I got the following error: clang++ -fsanitize=address -fsanitize-coverage=edge test_fuzzer.cc Fuzzer*.o Undefined symbols for architecture x86_64: "_dfsan_create_label", referenced from: fuzzer::TraceState::DFSanCmpCallback(unsigned long, unsigned long, unsigned long, unsigned long long, unsigned long long, unsigned short, unsigned short) in FuzzerTraceState.o fuzzer::Fuzzer::InitializeTraceState() in FuzzerTraceState.o "_dfsan_get_label_info", referenced from: fuzzer::T...

...ink a program with the DataFlowSanitizer functionality, this is from the libFuzzer project, and I was seeing: clang++ -fsanitize=address -fsanitize-coverage=edge test_fuzzer.cc Fuzzer*.o Undefined symbols for architecture x86_64: "_dfsan_create_label", referenced from: fuzzer::TraceState::DFSanCmpCallback(unsigned long, unsigned long, unsigned long, unsigned long long, unsigned long long, unsigned short, unsigned short) in FuzzerTraceState.o fuzzer::Fuzzer::InitializeTraceState() in FuzzerTraceState.o "_dfsan_get_label_info", referenced from: fuzzer::T...

...uzzer project, and I was seeing: >> >> clang++ -fsanitize=address -fsanitize-coverage=edge test_fuzzer.cc >> Fuzzer*.o >> >> Undefined symbols for architecture x86_64: >> >> "_dfsan_create_label", referenced from: >> >> fuzzer::TraceState::DFSanCmpCallback(unsigned long, unsigned long, >> unsigned long, unsigned long long, unsigned long long, unsigned short, >> unsigned short) in FuzzerTraceState.o >> >> fuzzer::Fuzzer::InitializeTraceState() in FuzzerTraceState.o >> >> "_dfsan_get...

...nitize=address -fsanitize-coverage=edge test_fuzzer.cc >> >> Fuzzer*.o >> >> >> >> Undefined symbols for architecture x86_64: >> >> >> >> "_dfsan_create_label", referenced from: >> >> >> >> fuzzer::TraceState::DFSanCmpCallback(unsigned long, unsigned >> long, >> >> unsigned long, unsigned long long, unsigned long long, unsigned short, >> >> unsigned short) in FuzzerTraceState.o >> >> >> >> fuzzer::Fuzzer::InitializeTraceState() in FuzzerTrac...