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tests/thirdparty/Fuzzer/test/SimpleCmpTest.cpp
46 строк
1 KB
Niels Lohmann
Reorganize directories (#3462)
01 май 2022, 10:41
Не верифицирован
01 май 2022, 10:41
b21c345
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// This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // Simple test for a fuzzer. The fuzzer must find several narrow ranges. #include <cstdint> #include <cstdlib> #include <cstring> #include <cstdio> extern int AllLines[]; bool PrintOnce(int Line) { if (!AllLines[Line]) fprintf(stderr, "Seen line %d\n", Line); AllLines[Line] = 1; return true; } extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { if (Size != 22) return 0; uint64_t x = 0; int64_t y = 0; int32_t z = 0; uint16_t a = 0; memcpy(&x, Data, 8); // 8 memcpy(&y, Data + 8, 8); // 16 memcpy(&z, Data + 16, sizeof(z)); // 20 memcpy(&a, Data + 20, sizeof(a)); // 22 if (x > 1234567890 && PrintOnce(__LINE__) && x < 1234567895 && PrintOnce(__LINE__) && a == 0x4242 && PrintOnce(__LINE__) && y >= 987654321 && PrintOnce(__LINE__) && y <= 987654325 && PrintOnce(__LINE__) && z < -10000 && PrintOnce(__LINE__) && z >= -10005 && PrintOnce(__LINE__) && z != -10003 && PrintOnce(__LINE__) && true) { fprintf(stderr, "BINGO; Found the target: size %zd (%zd, %zd, %d, %d), exiting.\n", Size, x, y, z, a); exit(1); } return 0; } int AllLines[__LINE__ + 1]; // Must be the last line.