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Throw exception to allow fuzzer to report which file it failed on.

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This commit is contained in:
chriseth 2019-04-04 14:03:32 +02:00
parent 3795569da6
commit ef413bb0b3
3 changed files with 12 additions and 6 deletions
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4
test/tools/afl_fuzzer.cpp
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@ -125,12 +125,12 @@ Allowed options)",
else else
FuzzerUtil::testCompiler(input, optimize, quiet); FuzzerUtil::testCompiler(input, optimize, quiet);
} }
catch (exception const& _exc) catch (...)
{ {
retResult = 1; retResult = 1;
if (inputFile.size() == 0) if (inputFile.size() == 0)
throw _exc; throw;
cerr << "Fuzzer " cerr << "Fuzzer "
<< (optimize ? "" : "(without optimizer) ") << (optimize ? "" : "(without optimizer) ")

10
test/tools/fuzzer_common.cpp
View File

@ -42,8 +42,9 @@ void FuzzerUtil::runCompiler(string const& _input, bool _quiet)
Json::Value output; Json::Value output;
if (!jsonParseStrict(outputString, output)) if (!jsonParseStrict(outputString, output))
{ {
cout << "Compiler produced invalid JSON output." << endl; string msg{"Compiler produced invalid JSON output."};
abort(); cout << msg << endl;
throw std::runtime_error(std::move(msg));
} }
if (output.isMember("errors")) if (output.isMember("errors"))
for (auto const& error: output["errors"]) for (auto const& error: output["errors"])
@ -54,8 +55,9 @@ void FuzzerUtil::runCompiler(string const& _input, bool _quiet)
}); });
if (!invalid.empty()) if (!invalid.empty())
{ {
cout << "Invalid error: \"" << error["type"].asString() << "\"" << endl; string msg = "Invalid error: \"" + error["type"].asString() + "\"";
abort(); cout << msg << endl;
throw std::runtime_error(std::move(msg));
} }
} }
} }

4
test/tools/fuzzer_common.h
View File

@ -17,6 +17,10 @@
#include <string> #include <string>
/**
* Functions to be used for fuzz-testing of various components.
* They throw exceptions or error.
*/
struct FuzzerUtil struct FuzzerUtil
{ {
static void runCompiler(std::string const& _input, bool _quiet); static void runCompiler(std::string const& _input, bool _quiet);