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[libFuzzer] when adding a reduced input print REDUCED instead of NEW

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308336 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kostya Serebryany 2017-07-18 18:47:36 +00:00
parent 4ea9a7811e
commit 9c21c1e832
3 changed files with 8 additions and 5 deletions
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4
lib/Fuzzer/FuzzerCorpus.h
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@ -34,6 +34,7 @@ struct InputInfo {
size_t NumExecutedMutations = 0; size_t NumExecutedMutations = 0;
size_t NumSuccessfullMutations = 0; size_t NumSuccessfullMutations = 0;
bool MayDeleteFile = false; bool MayDeleteFile = false;
bool Reduced = false;
std::vector<uint32_t> UniqFeatureSet; std::vector<uint32_t> UniqFeatureSet;
}; };
@ -126,12 +127,13 @@ class InputCorpus {
} }
void Replace(InputInfo *II, const Unit &U) { void Replace(InputInfo *II, const Unit &U) {
assert(II->U.size()); assert(II->U.size() > U.size());
Hashes.erase(Sha1ToString(II->Sha1)); Hashes.erase(Sha1ToString(II->Sha1));
DeleteFile(*II); DeleteFile(*II);
ComputeSHA1(U.data(), U.size(), II->Sha1); ComputeSHA1(U.data(), U.size(), II->Sha1);
Hashes.insert(Sha1ToString(II->Sha1)); Hashes.insert(Sha1ToString(II->Sha1));
II->U = U; II->U = U;
II->Reduced = true;
} }
bool HasUnit(const Unit &U) { return Hashes.count(Hash(U)); } bool HasUnit(const Unit &U) { return Hashes.count(Hash(U)); }

2
lib/Fuzzer/FuzzerInternal.h
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@ -99,7 +99,7 @@ private:
void WriteToOutputCorpus(const Unit &U); void WriteToOutputCorpus(const Unit &U);
void WriteUnitToFileWithPrefix(const Unit &U, const char *Prefix); void WriteUnitToFileWithPrefix(const Unit &U, const char *Prefix);
void PrintStats(const char *Where, const char *End = "\n", size_t Units = 0); void PrintStats(const char *Where, const char *End = "\n", size_t Units = 0);
void PrintStatusForNewUnit(const Unit &U); void PrintStatusForNewUnit(const Unit &U, const char *Text);
void ShuffleCorpus(UnitVector *V); void ShuffleCorpus(UnitVector *V);
void CheckExitOnSrcPosOrItem(); void CheckExitOnSrcPosOrItem();

7
lib/Fuzzer/FuzzerLoop.cpp
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@ -507,10 +507,10 @@ void Fuzzer::WriteUnitToFileWithPrefix(const Unit &U, const char *Prefix) {
Printf("Base64: %s\n", Base64(U).c_str()); Printf("Base64: %s\n", Base64(U).c_str());
} }
void Fuzzer::PrintStatusForNewUnit(const Unit &U) { void Fuzzer::PrintStatusForNewUnit(const Unit &U, const char *Text) {
if (!Options.PrintNEW) if (!Options.PrintNEW)
return; return;
PrintStats("NEW ", ""); PrintStats(Text, "");
if (Options.Verbosity) { if (Options.Verbosity) {
Printf(" L: %zd ", U.size()); Printf(" L: %zd ", U.size());
MD.PrintMutationSequence(); MD.PrintMutationSequence();
@ -521,7 +521,8 @@ void Fuzzer::PrintStatusForNewUnit(const Unit &U) {
void Fuzzer::ReportNewCoverage(InputInfo *II, const Unit &U) { void Fuzzer::ReportNewCoverage(InputInfo *II, const Unit &U) {
II->NumSuccessfullMutations++; II->NumSuccessfullMutations++;
MD.RecordSuccessfulMutationSequence(); MD.RecordSuccessfulMutationSequence();
PrintStatusForNewUnit(U); PrintStatusForNewUnit(U, II->Reduced ? "REDUCE" :
"NEW ");
WriteToOutputCorpus(U); WriteToOutputCorpus(U);
NumberOfNewUnitsAdded++; NumberOfNewUnitsAdded++;
TPC.PrintNewPCs(); TPC.PrintNewPCs();