// 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 #include #include #include #include #include #include "FuzzerIO.h" extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { const char *FileName = "big-file.txt"; FILE *f = fopen(FileName, "w"); // This is the biggest file possible unless CopyFileToErr() uses Puts() fprintf(f, "%2147483646s", "2Gb-2"); // This makes the file too big if CopyFileToErr() uses fprintf("%s", ) fprintf(f, "THIS LINE RESPONSIBLE FOR EXCEEDING 2Gb FILE SIZE\n"); fclose(f); // Should now because CopyFileToErr() now uses Puts() fuzzer::CopyFileToErr(FileName); // File is >2Gb so clean up remove(FileName); return 0; }