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Diffstat (limited to '')
| -rw-r--r-- | tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch b/tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch new file mode 100644 index 0000000000..34562e27a5 --- /dev/null +++ b/tools/fuzzing/libfuzzer/patches/10-ef-runtime.patch @@ -0,0 +1,31 @@ +# HG changeset patch +# User Christian Holler <choller@mozilla.com> +# Date 1596126054 -7200 +# Thu Jul 30 18:20:54 2020 +0200 +# Node ID 8a2a26b33d516c43c366b2f24d731d27d9843349 +# Parent 997c4109edd112695097fd8c55cbacd976cab24a +[libFuzzer] Allow external functions to be defined at runtime + +diff --git a/tools/fuzzing/libfuzzer/FuzzerDriver.cpp b/tools/fuzzing/libfuzzer/FuzzerDriver.cpp +--- a/tools/fuzzing/libfuzzer/FuzzerDriver.cpp ++++ b/tools/fuzzing/libfuzzer/FuzzerDriver.cpp +@@ -608,17 +608,18 @@ static Vector<SizedFile> ReadCorpora(con + SizedFiles.push_back({File, Size}); + return SizedFiles; + } + + int FuzzerDriver(int *argc, char ***argv, UserCallback Callback) { + using namespace fuzzer; + assert(argc && argv && "Argument pointers cannot be nullptr"); + std::string Argv0((*argv)[0]); +- EF = new ExternalFunctions(); ++ if (!EF) ++ EF = new ExternalFunctions(); + if (EF->LLVMFuzzerInitialize) + EF->LLVMFuzzerInitialize(argc, argv); + if (EF->__msan_scoped_disable_interceptor_checks) + EF->__msan_scoped_disable_interceptor_checks(); + const Vector<std::string> Args(*argv, *argv + *argc); + assert(!Args.empty()); + ProgName = new std::string(Args[0]); + if (Argv0 != *ProgName) { |