llvm/tools/llvm-dis-fuzzer/llvm-dis-fuzzer.cpp

   1 //===-- llvm-dis-fuzzer.cpp - Fuzzer for llvm-dis using lib/Fuzzer --------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // Fuzzer for LLVM bitcode reading.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "llvm/Bitcode/BitcodeReader.h"
  14 #include "llvm/IR/LLVMContext.h"
  15 #include "llvm/IR/Module.h"
  16 #include "llvm/Support/MemoryBuffer.h"
  17
  18 using namespace llvm;
  19
  20 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  21   LLVMContext Context;
  22   auto Buffer = MemoryBuffer::getMemBuffer(
  23       StringRef(reinterpret_cast<const char *>(Data), Size), "Fuzzer input",
  24       /*RequiresNullTerminator=*/false);
  25   consumeError(
  26       parseBitcodeFile(Buffer->getMemBufferRef(), Context).takeError());
  27   return 0;
  28 }