12946cd70SChandler Carruth // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 22946cd70SChandler Carruth // See https://llvm.org/LICENSE.txt for license information. 32946cd70SChandler Carruth // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 410ab2aceSGeorge Karpenkov 510ab2aceSGeorge Karpenkov // Tests OOM handling. 610ab2aceSGeorge Karpenkov #include <assert.h> 710ab2aceSGeorge Karpenkov #include <cstddef> 810ab2aceSGeorge Karpenkov #include <cstdint> 910ab2aceSGeorge Karpenkov #include <cstdlib> 1010ab2aceSGeorge Karpenkov #include <cstring> 1110ab2aceSGeorge Karpenkov #include <iostream> 1210ab2aceSGeorge Karpenkov #include <thread> 1310ab2aceSGeorge Karpenkov 14*b351590bSMatt Morehouse static char *volatile SinkPtr; 1510ab2aceSGeorge Karpenkov LLVMFuzzerTestOneInput(const uint8_t * Data,size_t Size)1610ab2aceSGeorge Karpenkovextern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { 1710ab2aceSGeorge Karpenkov if (Size > 0 && Data[0] == 'H') { 1810ab2aceSGeorge Karpenkov if (Size > 1 && Data[1] == 'i') { 1910ab2aceSGeorge Karpenkov if (Size > 2 && Data[2] == '!') { 2010ab2aceSGeorge Karpenkov while (true) { 2110ab2aceSGeorge Karpenkov size_t kSize = 1 << 28; 2210ab2aceSGeorge Karpenkov char *p = new char[kSize]; 2310ab2aceSGeorge Karpenkov memset(p, 0, kSize); 2410ab2aceSGeorge Karpenkov SinkPtr = p; 2510ab2aceSGeorge Karpenkov std::this_thread::sleep_for(std::chrono::seconds(1)); 2610ab2aceSGeorge Karpenkov } 2710ab2aceSGeorge Karpenkov } 2810ab2aceSGeorge Karpenkov } 2910ab2aceSGeorge Karpenkov } 3010ab2aceSGeorge Karpenkov return 0; 3110ab2aceSGeorge Karpenkov } 3210ab2aceSGeorge Karpenkov 33