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[libFuzzer] use max_len exactly equal to the max size of input. Fix 32-bit build

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llvm-svn: 263518
This commit is contained in:
Kostya Serebryany 2016-03-15 01:28:00 +00:00
parent a4372ed421
commit b66ed58c06
1 changed files with 2 additions and 1 deletions
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3
lib/Fuzzer/FuzzerDriver.cpp
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@ -270,6 +270,7 @@ static int FuzzerDriver(const std::vector<std::string> &Args,
return RunInMultipleProcesses(Args, Flags.workers, Flags.jobs);
const size_t kMaxSaneLen = 1 << 20;
const size_t kMinDefaultLen = 64;
Fuzzer::FuzzingOptions Options;
Options.Verbosity = Flags.verbosity;
Options.MaxLen = Flags.max_len;
@ -373,7 +374,7 @@ static int FuzzerDriver(const std::vector<std::string> &Args,
if (Options.MaxLen == 0)
F.SetMaxLen(
std::min(std::max(64UL, 2 * F.MaxUnitSizeInCorpus()), kMaxSaneLen));
std::min(std::max(kMinDefaultLen, F.MaxUnitSizeInCorpus()), kMaxSaneLen));
if (F.CorpusSize() == 0)
F.AddToCorpus(Unit()); // Can't fuzz empty corpus, so add an empty input.