From cdf4f3055e964bb585f294cf77cb549ead82783f Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 18 Dec 2017 20:11:54 +0000 Subject: Vendor import of compiler-rt trunk r321017: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321017 --- test/fuzzer/DeepRecursionTest.cpp | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 test/fuzzer/DeepRecursionTest.cpp (limited to 'test/fuzzer/DeepRecursionTest.cpp') diff --git a/test/fuzzer/DeepRecursionTest.cpp b/test/fuzzer/DeepRecursionTest.cpp new file mode 100644 index 0000000000000..bf4621d04923e --- /dev/null +++ b/test/fuzzer/DeepRecursionTest.cpp @@ -0,0 +1,25 @@ +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. + +// 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 +#include +#include + +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; +} + -- cgit v1.2.3