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

21 lines
696 B
C++

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// Test that we don't creash in case of bad strcmp params.
#include <cstddef>
#include <cstdint>
#include <cstring>
static volatile int Sink;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
if (Size != 10) return 0;
// Data is not zero-terminated, so this call is bad.
// Still, there are cases when such calles appear, see e.g.
// https://bugs.llvm.org/show_bug.cgi?id=32357
Sink = strcmp(reinterpret_cast<const char*>(Data), "123456789");
return 0;
}