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comparison projects/compiler-rt/test/fuzzer/AbsNegAndConstantTest.cpp @ 131:f476a9ba4795

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http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt
author mir3636
date Fri, 16 Feb 2018 21:02:11 +0900
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130:cc94f0a83282 131:f476a9ba4795
1 // This file is distributed under the University of Illinois Open Source
2 // License. See LICENSE.TXT for details.
3
4 // abs(x) < 0 and y == Const puzzle.
5 #include <cstddef>
6 #include <cstdint>
7 #include <cstdio>
8 #include <cstdlib>
9 #include <cstring>
10
11 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
12 if (Size < 8) return 0;
13 int x;
14 unsigned y;
15 memcpy(&x, Data, sizeof(x));
16 memcpy(&y, Data + sizeof(x), sizeof(y));
17 if (abs(x) < 0 && y == 0xbaddcafe) {
18 printf("BINGO; Found the target, exiting; x = 0x%x y 0x%x\n", x, y);
19 fflush(stdout);
20 exit(1);
21 }
22 return 0;
23 }
24