32 lines · cpp
1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.2// See https://llvm.org/LICENSE.txt for license information.3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception4 5// Break through a series of strcmp.6#include <cassert>7#include <cstdint>8#include <cstdio>9#include <cstdlib>10#include <cstring>11 12bool Eq(const uint8_t *Data, size_t Size, const char *Str) {13 char Buff[1024];14 size_t Len = strlen(Str);15 if (Size < Len) return false;16 if (Len >= sizeof(Buff)) return false;17 memcpy(Buff, (const char*)Data, Len);18 Buff[Len] = 0;19 int res = strcmp(Buff, Str);20 return res == 0;21}22 23extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {24 if (Eq(Data, Size, "ABC") &&25 Size >= 3 && Eq(Data + 3, Size - 3, "QWER") &&26 Size >= 7 && Eq(Data + 7, Size - 7, "ZXCVN")) {27 fprintf(stderr, "BINGO\n");28 exit(1);29 }30 return 0;31}32