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31 lines
1.2 KiB
Diff
31 lines
1.2 KiB
Diff
# HG changeset patch
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# User Christian Holler <choller@mozilla.com>
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# Date 1586344236 -7200
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# Wed Apr 08 13:10:36 2020 +0200
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# Node ID ab10fba76a52a5b205038150ad198dfc4583c566
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# Parent 5f0446b8b0b20f432fa5dc016b781270c469fe83
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[libFuzzer] Allow external functions to be defined at runtime
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diff --git a/tools/fuzzing/libfuzzer/FuzzerDriver.cpp b/tools/fuzzing/libfuzzer/FuzzerDriver.cpp
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--- a/tools/fuzzing/libfuzzer/FuzzerDriver.cpp
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+++ b/tools/fuzzing/libfuzzer/FuzzerDriver.cpp
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@@ -560,17 +560,18 @@ int AnalyzeDictionary(Fuzzer *F, const V
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Printf("###### End of useless dictionary elements. ######\n");
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return 0;
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}
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int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) {
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using namespace fuzzer;
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assert(argc && argv && "Argument pointers cannot be nullptr");
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std::string Argv0((*argv)[0]);
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- EF = new ExternalFunctions();
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+ if (!EF)
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+ EF = new ExternalFunctions();
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if (EF->LLVMFuzzerInitialize)
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EF->LLVMFuzzerInitialize(argc, argv);
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if (EF->__msan_scoped_disable_interceptor_checks)
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EF->__msan_scoped_disable_interceptor_checks();
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const Vector<std::string> Args(*argv, *argv + *argc);
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assert(!Args.empty());
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ProgName = new std::string(Args[0]);
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if (Argv0 != *ProgName) {
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