Coverage Report

Created: 2026-01-25 06:04

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libjpeg-turbo.main/fuzz/cjpeg.cc
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/*
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 * Copyright (C)2021, 2024, 2026 D. R. Commander.  All Rights Reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 * - Redistributions of source code must retain the above copyright notice,
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 *   this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright notice,
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 *   this list of conditions and the following disclaimer in the documentation
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 *   and/or other materials provided with the distribution.
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 * - Neither the name of the libjpeg-turbo Project nor the names of its
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 *   contributors may be used to endorse or promote products derived from this
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 *   software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
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 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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/* This fuzz target wraps cjpeg in order to test esoteric compression options
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   as well as the GIF and Targa readers. */
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#define CJPEG_FUZZER
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extern "C" {
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#include "../src/cjpeg.c"
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}
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#include <stdint.h>
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#include <unistd.h>
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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10
{
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  char *argv1[] = {
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    (char *)"cjpeg", (char *)"-dct", (char *)"float", (char *)"-memdst",
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10
    (char *)"-quality", (char *)"100,99,98",
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10
    (char *)"-sample", (char *)"4x1,2x2,1x2", (char *)"-targa"
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10
  };
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  char *argv2[] = {
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    (char *)"cjpeg", (char *)"-dct", (char *)"float", (char *)"-memdst",
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    (char *)"-quality", (char *)"90,80,70", (char *)"-smooth", (char *)"50",
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10
    (char *)"-targa"
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  };
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  FILE *file = NULL;
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  if ((file = fmemopen((void *)data, size, "r")) == NULL)
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0
    goto bailout;
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  fseek(file, 0, SEEK_SET);
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  cjpeg_fuzzer(9, argv1, file);
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  fseek(file, 0, SEEK_SET);
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  cjpeg_fuzzer(9, argv2, file);
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  argv1[8] = argv2[8] = NULL;
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  fseek(file, 0, SEEK_SET);
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  cjpeg_fuzzer(8, argv1, file);
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  fseek(file, 0, SEEK_SET);
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  cjpeg_fuzzer(8, argv2, file);
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bailout:
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  if (file) fclose(file);
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  return 0;
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}