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add libfuzzer custom mutator, minor enhancements and fixes

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This commit is contained in:
van Hauser
2020-09-10 15:26:46 +02:00
parent fdb0452245
commit 380051868a
62 changed files with 11668 additions and 20 deletions
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36
custom_mutators/libfuzzer/libfuzzer.inc Normal file
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extern "C" ATTRIBUTE_INTERFACE void
LLVMFuzzerMyInit(int (*Callback)(const uint8_t *Data, size_t Size), unsigned int Seed) {
Random Rand(Seed);
FuzzingOptions Options;
Options.Verbosity = 3;
Options.MaxLen = 1024000;
Options.LenControl = true;
Options.DoCrossOver = false;
Options.MutateDepth = 6;
Options.UseCounters = false;
Options.UseMemmem = false;
Options.UseCmp = false;
Options.UseValueProfile = false;
Options.Shrink = false;
Options.ReduceInputs = false;
Options.PreferSmall = false;
Options.ReloadIntervalSec = 0;
Options.OnlyASCII = false;
Options.DetectLeaks = false;
Options.PurgeAllocatorIntervalSec = 0;
Options.TraceMalloc = false;
Options.RssLimitMb = 100;
Options.MallocLimitMb = 100;
Options.MaxNumberOfRuns = 0;
Options.ReportSlowUnits = false;
Options.Entropic = false;
struct EntropicOptions Entropic;
Entropic.Enabled = Options.Entropic;
EF = new ExternalFunctions();
auto *MD = new MutationDispatcher(Rand, Options);
auto *Corpus = new InputCorpus(Options.OutputCorpus, Entropic);
auto *F = new Fuzzer(Callback, *Corpus, *MD, Options);
}