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Diffstat (limited to 'test/fuzzer/BufferOverflowOnInput.cpp')
-rw-r--r-- | test/fuzzer/BufferOverflowOnInput.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/fuzzer/BufferOverflowOnInput.cpp b/test/fuzzer/BufferOverflowOnInput.cpp new file mode 100644 index 000000000..159da92d4 --- /dev/null +++ b/test/fuzzer/BufferOverflowOnInput.cpp @@ -0,0 +1,24 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Simple test for a fuzzer. The fuzzer must find the string "Hi!". +#include <assert.h> +#include <cstddef> +#include <cstdint> +#include <cstdlib> +#include <iostream> +#include <ostream> + +static volatile bool SeedLargeBuffer; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + assert(Data); + if (Size >= 4) + SeedLargeBuffer = true; + if (Size == 3 && SeedLargeBuffer && Data[3]) { + std::cout << "Woops, reading Data[3] w/o crashing\n" << std::flush; + exit(1); + } + return 0; +} + |