mirror of
https://github.com/libjpeg-turbo/libjpeg-turbo.git
synced 2026-01-18 13:31:21 +01:00
ea49d2278c
- When built for fuzzing, expose special versions of tj3LoadImage*() that accept a FILE handle. - Rename cjpeg_main() to cjpeg_fuzzer() and allow a FILE handle to be passed to it as well. - Use fmemopen() to obtain a FILE handle from the fuzzer input data.
129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
/*
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* Copyright (C)2021, 2023-2026 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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#include "../src/turbojpeg.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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extern "C" unsigned char *
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_tj3LoadImageFromFileHandle8(tjhandle handle, FILE *file, int *width,
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int align, int *height, int *pixelFormat);
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#define NUMTESTS 7
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struct test {
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enum TJPF pf;
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enum TJSAMP subsamp;
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int quality;
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};
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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tjhandle handle = NULL;
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unsigned char *srcBuf = NULL, *dstBuf = NULL;
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int width = 0, height = 0, ti;
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FILE *file = NULL;
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struct test tests[NUMTESTS] = {
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{ TJPF_RGB, TJSAMP_444, 100 },
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{ TJPF_BGR, TJSAMP_422, 90 },
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{ TJPF_RGBX, TJSAMP_420, 80 },
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{ TJPF_BGRA, TJSAMP_411, 70 },
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{ TJPF_XRGB, TJSAMP_GRAY, 60 },
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{ TJPF_GRAY, TJSAMP_GRAY, 50 },
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{ TJPF_CMYK, TJSAMP_440, 40 }
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};
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if ((file = fmemopen((void *)data, size, "r")) == NULL)
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goto bailout;
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if ((handle = tj3Init(TJINIT_COMPRESS)) == NULL)
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goto bailout;
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for (ti = 0; ti < NUMTESTS; ti++) {
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int pf = tests[ti].pf;
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size_t dstSize = 0, maxBufSize, i, sum = 0;
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/* Test non-default compression options on specific iterations. */
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tj3Set(handle, TJPARAM_BOTTOMUP, ti == 0);
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tj3Set(handle, TJPARAM_FASTDCT, ti == 1);
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tj3Set(handle, TJPARAM_OPTIMIZE, ti == 6);
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tj3Set(handle, TJPARAM_PROGRESSIVE, ti == 1 || ti == 3);
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tj3Set(handle, TJPARAM_ARITHMETIC, ti == 2 || ti == 3);
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tj3Set(handle, TJPARAM_NOREALLOC, ti != 2);
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tj3Set(handle, TJPARAM_RESTARTROWS, ti == 1 || ti == 2 ? 2 : 0);
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tj3Set(handle, TJPARAM_MAXPIXELS, 1048576);
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/* tj3LoadImage8() will refuse to load images larger than 1 Megapixel, so
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we don't need to check the width and height here. */
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fseek(file, 0, SEEK_SET);
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if ((srcBuf = _tj3LoadImageFromFileHandle8(handle, file, &width, 1,
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&height, &pf)) == NULL)
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continue;
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dstSize = maxBufSize = tj3JPEGBufSize(width, height, tests[ti].subsamp);
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if (tj3Get(handle, TJPARAM_NOREALLOC)) {
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if ((dstBuf = (unsigned char *)tj3Alloc(dstSize)) == NULL)
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goto bailout;
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} else
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dstBuf = NULL;
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tj3Set(handle, TJPARAM_SUBSAMP, tests[ti].subsamp);
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tj3Set(handle, TJPARAM_QUALITY, tests[ti].quality);
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if (tj3Compress8(handle, srcBuf, width, 0, height, pf, &dstBuf,
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&dstSize) == 0) {
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/* Touch all of the output pixels in order to catch uninitialized reads
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when using MemorySanitizer. */
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for (i = 0; i < dstSize; i++)
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sum += dstBuf[i];
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}
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tj3Free(dstBuf);
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dstBuf = NULL;
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tj3Free(srcBuf);
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srcBuf = NULL;
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/* Prevent the code above from being optimized out. This test should never
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be true, but the compiler doesn't know that. */
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if (sum > 255 * maxBufSize)
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goto bailout;
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}
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bailout:
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tj3Free(dstBuf);
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tj3Free(srcBuf);
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if (file) fclose(file);
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tj3Destroy(handle);
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return 0;
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}
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