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Diffstat (limited to 'test/fuzzer/SignedIntOverflowTest.cpp')
-rw-r--r-- | test/fuzzer/SignedIntOverflowTest.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/fuzzer/SignedIntOverflowTest.cpp b/test/fuzzer/SignedIntOverflowTest.cpp new file mode 100644 index 000000000..d80060207 --- /dev/null +++ b/test/fuzzer/SignedIntOverflowTest.cpp @@ -0,0 +1,28 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// Test for signed-integer-overflow. +#include <assert.h> +#include <climits> +#include <cstddef> +#include <cstdint> +#include <cstdlib> +#include <iostream> + +static volatile int Sink; +static int Large = INT_MAX; + +extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { + assert(Data); + if (Size > 0 && Data[0] == 'H') { + Sink = 1; + if (Size > 1 && Data[1] == 'i') { + Sink = 2; + if (Size > 2 && Data[2] == '!') { + Large++; // int overflow. + } + } + } + return 0; +} + |