h1-mod/deps/json/tests/thirdparty/Fuzzer/test/OneHugeAllocTest.cpp
2024-03-07 00:54:32 -05:00

29 lines
694 B
C++

// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// Tests OOM handling when there is a single large allocation.
#include <assert.h>
#include <cstdint>
#include <cstdlib>
#include <cstddef>
#include <cstring>
#include <iostream>
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] == '!') {
size_t kSize = (size_t)1 << 31;
char *p = new char[kSize];
memset(p, 0, kSize);
SinkPtr = p;
delete [] p;
}
}
}
return 0;
}