eval_script.cpp raw

   1  // Copyright (c) 2009-present The Bitcoin Core developers
   2  // Distributed under the MIT software license, see the accompanying
   3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   4  
   5  #include <pubkey.h>
   6  #include <script/interpreter.h>
   7  #include <test/fuzz/FuzzedDataProvider.h>
   8  #include <test/fuzz/fuzz.h>
   9  
  10  #include <limits>
  11  
  12  FUZZ_TARGET(eval_script)
  13  {
  14      FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
  15      const auto flags = script_verify_flags::from_int(fuzzed_data_provider.ConsumeIntegral<script_verify_flags::value_type>());
  16      const std::vector<uint8_t> script_bytes = [&] {
  17          if (fuzzed_data_provider.remaining_bytes() != 0) {
  18              return fuzzed_data_provider.ConsumeRemainingBytes<uint8_t>();
  19          } else {
  20              // Avoid UBSan warning:
  21              //   test/fuzz/FuzzedDataProvider.h:212:17: runtime error: null pointer passed as argument 1, which is declared to never be null
  22              //   /usr/include/string.h:43:28: note: nonnull attribute specified here
  23              return std::vector<uint8_t>();
  24          }
  25      }();
  26      const CScript script(script_bytes.begin(), script_bytes.end());
  27      for (const auto sig_version : {SigVersion::BASE, SigVersion::WITNESS_V0}) {
  28          std::vector<std::vector<unsigned char>> stack;
  29          (void)EvalScript(stack, script, flags, BaseSignatureChecker(), sig_version, nullptr);
  30      }
  31  }
  32