30 lines · cpp
1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.2// See https://llvm.org/LICENSE.txt for license information.3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception4 5// Test for signed-integer-overflow.6#include <assert.h>7#include <climits>8#include <cstddef>9#include <cstdint>10#include <cstdlib>11#include <iostream>12 13static volatile int Sink;14static int Large = INT_MAX;15 16extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {17 assert(Data);18 if (Size > 0 && Data[0] == 'H') {19 Sink = 1;20 if (Size > 1 && Data[1] == 'i') {21 Sink = 2;22 if (Size > 2 && Data[2] == '!') {23 Large++; // int overflow.24 }25 }26 }27 return 0;28}29 30