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Diffstat (limited to 'test/fuzzer/NullDerefTest.cpp')
-rw-r--r-- | test/fuzzer/NullDerefTest.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/fuzzer/NullDerefTest.cpp b/test/fuzzer/NullDerefTest.cpp new file mode 100644 index 000000000..1b44b682a --- /dev/null +++ b/test/fuzzer/NullDerefTest.cpp @@ -0,0 +1,26 @@ +// 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 <cstddef> +#include <cstdint> +#include <cstdlib> +#include <iostream> + +static volatile int Sink; +static volatile int *Null = 0; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + if (Size > 0 && Data[0] == 'H') { + Sink = 1; + if (Size > 1 && Data[1] == 'i') { + Sink = 2; + if (Size > 2 && Data[2] == '!') { + std::cout << "Found the target, dereferencing NULL\n"; + *Null = 1; + } + } + } + return 0; +} + |