Coverage Report

Created: 2025-08-28 06:46

/src/xpdf-4.05/build/fuzz_JBIG2.cc
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/*  Copyright 2022 Google Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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      http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <fuzzer/FuzzedDataProvider.h>
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#include <vector>
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#include <aconf.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <png.h>
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#include "gmem.h"
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#include "gmempp.h"
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#include "parseargs.h"
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#include "GString.h"
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#include "gfile.h"
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#include "GlobalParams.h"
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#include "Object.h"
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#include "PDFDoc.h"
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#include "SplashBitmap.h"
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#include "Splash.h"
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#include "SplashOutputDev.h"
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#include "Stream.h"
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#include "config.h"
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#include "JBIG2Stream.h"
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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2.80k
{
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  FuzzedDataProvider fdp(data, size);
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  double hdpi = fdp.ConsumeFloatingPoint<double>();
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  double vdpi = fdp.ConsumeFloatingPoint<double>();
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  int rotate = fdp.ConsumeIntegral<int>();
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  bool useMediaBox = fdp.ConsumeBool();
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  bool crop = fdp.ConsumeBool();
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  bool printing = fdp.ConsumeBool();
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  std::vector<char> payload = fdp.ConsumeRemainingBytes<char>();
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  Object xpdf_obj;
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  xpdf_obj.initNull();
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  BaseStream *stream = new MemStream(payload.data(), 0, payload.size(), &xpdf_obj);
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  Object info, xfa;
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  Object *acroForm;
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  globalParams = new GlobalParams(NULL);
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  globalParams->setErrQuiet(1);
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  globalParams->setupBaseFonts(NULL);
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  char yes[] = "yes";
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  globalParams->setEnableFreeType(yes); // Yes, it's a string and not a bool.
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  globalParams->setErrQuiet(1);
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  PDFDoc *doc = NULL;
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  try
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  {
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    PDFDoc doc(stream);
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    if (doc.isOk() == gTrue)
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    {
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      XRef *xref = doc.getXRef();
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      int objNums = xref->getNumObjects();
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      Object currentObj;
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74.7M
      for (int i = 0; i < objNums; ++i)
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74.7M
      {
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        if (xref->fetch(i, 0, &currentObj)->isStream())
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14.2k
        {
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          currentObj.getStream()->reset();
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14.2k
        }
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74.7M
      }
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1.43k
      currentObj.free();
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    }
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  }
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  catch (...)
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  {
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  }
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  delete globalParams;
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  return 0;
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}