diff options
author | Kostya Serebryany <kcc@google.com> | 2018-06-07 01:40:20 +0000 |
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committer | Kostya Serebryany <kcc@google.com> | 2018-06-07 01:40:20 +0000 |
commit | ce30747f4d0de2e549ebbde21d5ceddcbac27e75 (patch) | |
tree | f2f673214af79480ee041bed582d7ed6c03a77a2 /lib/fuzzer/FuzzerLoop.cpp | |
parent | f46892192068bf16984d429dbeb4123c12c47eca (diff) |
[libFuzzer] make the corpus elements aware of their data flow traces
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@334158 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/fuzzer/FuzzerLoop.cpp')
-rw-r--r-- | lib/fuzzer/FuzzerLoop.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/fuzzer/FuzzerLoop.cpp b/lib/fuzzer/FuzzerLoop.cpp index a195d21d3..346f90e6e 100644 --- a/lib/fuzzer/FuzzerLoop.cpp +++ b/lib/fuzzer/FuzzerLoop.cpp @@ -469,10 +469,11 @@ bool Fuzzer::RunOne(const uint8_t *Data, size_t Size, bool MayDeleteFile, TPC.UpdateObservedPCs(); Corpus.AddToCorpus({Data, Data + Size}, NumNewFeatures, MayDeleteFile, TPC.ObservedFocusFunction(), - UniqFeatureSetTmp); + UniqFeatureSetTmp, DFT); return true; } if (II && FoundUniqFeaturesOfII && + II->DataFlowTraceForFocusFunction.empty() && FoundUniqFeaturesOfII == II->UniqFeatureSet.size() && II->U.size() > Size) { Corpus.Replace(II, {Data, Data + Size}); @@ -739,6 +740,9 @@ void Fuzzer::ReadAndExecuteSeedCorpora(const Vector<std::string> &CorpusDirs) { if (!Options.FocusFunction.empty()) Printf("INFO: %zd/%zd inputs touch the focus function\n", Corpus.NumInputsThatTouchFocusFunction(), Corpus.size()); + if (!Options.DataFlowTrace.empty()) + Printf("INFO: %zd/%zd inputs have the Data Flow Trace\n", + Corpus.NumInputsWithDataFlowTrace(), Corpus.size()); if (Corpus.empty() && Options.MaxNumberOfRuns) { Printf("ERROR: no interesting inputs were found. " @@ -749,6 +753,7 @@ void Fuzzer::ReadAndExecuteSeedCorpora(const Vector<std::string> &CorpusDirs) { void Fuzzer::Loop(const Vector<std::string> &CorpusDirs) { ReadAndExecuteSeedCorpora(CorpusDirs); + DFT.Clear(); // No need for DFT any more. TPC.SetPrintNewPCs(Options.PrintNewCovPcs); TPC.SetPrintNewFuncs(Options.PrintNewCovFuncs); system_clock::time_point LastCorpusReload = system_clock::now(); |