compiler-rt/test/fuzzer/TwoDifferentBugsTest.cpp

   1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   2 // See https://llvm.org/LICENSE.txt for license information.
   3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   4
   5 // Simple test for a fuzzer. This test may trigger two different bugs.
   6 #include <cstddef>
   7 #include <cstdint>
   8 #include <cstdlib>
   9 #include <iostream>
  10
  11 static volatile int *Null = 0;
  12
  13 void Foo() { Null[1] = 0; }
  14 void Bar() { Null[2] = 0; }
  15
  16 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  17   if (Size < 10 && Data[0] == 'H')
  18     Foo();
  19   if (Size >= 10 && Data[0] == 'H')
  20     Bar();
  21   return 0;
  22 }
  23