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Diffstat (limited to 'test/fuzzer/ImplicitIntegerTruncationTest.cpp')
-rw-r--r-- | test/fuzzer/ImplicitIntegerTruncationTest.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/fuzzer/ImplicitIntegerTruncationTest.cpp b/test/fuzzer/ImplicitIntegerTruncationTest.cpp new file mode 100644 index 000000000..cb935da0c --- /dev/null +++ b/test/fuzzer/ImplicitIntegerTruncationTest.cpp @@ -0,0 +1,27 @@ +// 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 unsigned char Large = UINT8_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 = Large + 1; // 'char overflow'. + } + } + } + return 0; +} |