llvm-project/compiler-rt/test/fuzzer/AbsNegAndConstant64Test.cpp

26 lines
678 B
C++

// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// abs(x) < 0 and y == Const puzzle, 64-bit variant.
#include <cstddef>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size < 16) return 0;
int64_t x;
uint64_t y;
memcpy(&x, Data, sizeof(x));
memcpy(&y, Data + sizeof(x), sizeof(y));
volatile int64_t abs_x = llabs(x);
if (abs_x < 0 && y == 0xbaddcafedeadbeefULL) {
printf("BINGO; Found the target, exiting; x = 0x%lx y 0x%lx\n", x, y);
fflush(stdout);
exit(1);
}
return 0;
}