llvm-project/llvm/lib/Fuzzer/test/OutOfMemoryTest.cpp

32 lines
706 B
C++

// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Tests OOM handling.
#include <assert.h>
#include <cstdint>
#include <cstdlib>
#include <cstddef>
#include <cstring>
#include <iostream>
#include <unistd.h>
static volatile char *SinkPtr;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size > 0 && Data[0] == 'H') {
if (Size > 1 && Data[1] == 'i') {
if (Size > 2 && Data[2] == '!') {
while (true) {
size_t kSize = 1 << 28;
char *p = new char[kSize];
memset(p, 0, kSize);
SinkPtr = p;
sleep(1);
}
}
}
}
return 0;
}