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, 64-bit variant.
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 < 16) return 0;
13   int64_t x;
14   uint64_t y;
15   memcpy(&x, Data, sizeof(x));
16   memcpy(&y, Data + sizeof(x), sizeof(y));
17   volatile int64_t abs_x = llabs(x);
18   if (abs_x < 0 && y == 0xbaddcafedeadbeefULL) {
19     printf("BINGO; Found the target, exiting; x = 0x%lx y 0x%lx\n", x, y);
20     fflush(stdout);
21     exit(1);
22   }
23   return 0;
24 }
25 
26