| 1 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 2 | // See https://llvm.org/LICENSE.txt for license information. |
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| 3 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 4 | |
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| 5 | // Test for signed-integer-overflow. |
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| 6 | #include <assert.h> |
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| 7 | #include <climits> |
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| 8 | #include <cstddef> |
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| 9 | #include <cstdint> |
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| 10 | #include <cstdlib> |
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| 11 | #include <iostream> |
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| 12 | |
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| 13 | static volatile int Sink; |
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| 14 | static int Large = INT_MAX; |
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| 15 | |
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| 16 | extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { |
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| 17 | assert(Data); |
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| 18 | if (Size > 0 && Data[0] == 'H') { |
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| 19 | Sink = 1; |
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| 20 | if (Size > 1 && Data[1] == 'i') { |
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| 21 | Sink = 2; |
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| 22 | if (Size > 2 && Data[2] == '!') { |
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| 23 | Large++; // int overflow. |
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| 24 | } |
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| 25 | } |
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| 26 | } |
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| 27 | return 0; |
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| 28 | } |
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| 29 | |
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| 30 | |
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