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tests: Increase fuzzing coverage of DecompressScript(...)

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This commit is contained in:
practicalswift 2020-03-10 11:58:30 +00:00
parent 9f8d74a8c7
commit c2c58f6f59
1 changed files with 12 additions and 0 deletions
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12
src/test/fuzz/script.cpp
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@ -14,7 +14,9 @@
#include <script/signingprovider.h>
#include <script/standard.h>
#include <streams.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <univalue.h>
#include <util/memory.h>
@ -85,4 +87,14 @@ void test_one_input(const std::vector<uint8_t>& buffer)
ScriptToUniv(script, o3, true);
UniValue o4(UniValue::VOBJ);
ScriptToUniv(script, o4, false);
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const std::vector<uint8_t> bytes = ConsumeRandomLengthByteVector(fuzzed_data_provider);
// DecompressScript(..., ..., bytes) is not guaranteed to be defined if bytes.size() <= 23.
if (bytes.size() >= 24) {
CScript decompressed_script;
DecompressScript(decompressed_script, fuzzed_data_provider.ConsumeIntegral<unsigned int>(), bytes);
}
}
}