1 // This file is distributed under the University of Illinois Open Source 2 // License. See LICENSE.TXT for details. 3 4 // Test for signed-integer-overflow. 5 #include <assert.h> 6 #include <climits> 7 #include <cstddef> 8 #include <cstdint> 9 #include <cstdlib> 10 #include <iostream> 11 12 static volatile int Sink; 13 static unsigned char Large = UINT8_MAX; 14 15 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 16 assert(Data); 17 if (Size > 0 && Data[0] == 'H') { 18 Sink = 1; 19 if (Size > 1 && Data[1] == 'i') { 20 Sink = 2; 21 if (Size > 2 && Data[2] == '!') { 22 Large = Large + 1; // 'char overflow'. 23 } 24 } 25 } 26 return 0; 27 } 28