xref: /llvm-project/compiler-rt/test/fuzzer/ThreadedLeakTest.cpp (revision 2946cd701067404b99c39fb29dc9c74bd7193eb3)
1*2946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2*2946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information.
3*2946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
410ab2aceSGeorge Karpenkov 
510ab2aceSGeorge Karpenkov // The fuzzer should find a leak in a non-main thread.
610ab2aceSGeorge Karpenkov #include <cstddef>
710ab2aceSGeorge Karpenkov #include <cstdint>
810ab2aceSGeorge Karpenkov #include <thread>
910ab2aceSGeorge Karpenkov 
1022a1afd9SMatt Morehouse static int * volatile Sink;
1110ab2aceSGeorge Karpenkov 
LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)1210ab2aceSGeorge Karpenkov extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
1310ab2aceSGeorge Karpenkov   if (Size == 0) return 0;
1410ab2aceSGeorge Karpenkov   if (Data[0] != 'F') return 0;
1510ab2aceSGeorge Karpenkov   std::thread T([&] { Sink = new int; });
1610ab2aceSGeorge Karpenkov   T.join();
1710ab2aceSGeorge Karpenkov   return 0;
1810ab2aceSGeorge Karpenkov }
1910ab2aceSGeorge Karpenkov 
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