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[libfuzzer] defensive assert

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@265866 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mike Aizatsky 2016-04-08 23:32:24 +00:00
parent 908d3d5297
commit 5bb9d06dac
1 changed files with 2 additions and 1 deletions
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3
lib/Fuzzer/FuzzerLoop.cpp
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@ -503,8 +503,9 @@ void Fuzzer::MutateAndTestOne() {
auto &U = ChooseUnitToMutate();
MutateInPlaceHere.resize(Options.MaxLen);
memcpy(MutateInPlaceHere.data(), U.data(), U.size());
size_t Size = U.size();
assert(Size <= Options.MaxLen && "Oversized Unit");
memcpy(MutateInPlaceHere.data(), U.data(), Size);
for (int i = 0; i < Options.MutateDepth; i++) {
size_t NewSize = 0;