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Diffstat (limited to 'llvm/lib/Fuzzer/test/LoadTest.cpp')
-rw-r--r-- | llvm/lib/Fuzzer/test/LoadTest.cpp | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/test/LoadTest.cpp b/llvm/lib/Fuzzer/test/LoadTest.cpp new file mode 100644 index 00000000000..c1780d5c7bd --- /dev/null +++ b/llvm/lib/Fuzzer/test/LoadTest.cpp @@ -0,0 +1,22 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Simple test for a fuzzer: find interesting value of array index. +#include <assert.h> +#include <cstdint> +#include <cstring> +#include <cstddef> +#include <iostream> + +static volatile int Sink; +const int kArraySize = 1234567; +int array[kArraySize]; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + if (Size < 8) return 0; + size_t a = 0; + memcpy(&a, Data, 8); + Sink = array[a % (kArraySize + 1)]; + return 0; +} + |