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// 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
// Simple test for a fuzzer. The fuzzer must find the deep recursion.
// To generate a crashy input:
// for((i=0;i<110;i++)); do echo -n ABCDEFGHIJ >> INPUT; done
#include <cstddef>
#include <cstdint>
#include <cstdlib>
static volatile int Sink;
void Recursive(const uint8_t *Data, size_t Size, int Depth) {
if (Depth > 1000) abort();
if (!Size) return;
if (*Data == ('A' + Depth % 10))
Recursive(Data + 1, Size - 1, Depth + 1);
Sink++;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
Recursive(Data, Size, 0);
return 0;
}
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