562ad7612e
We need to use tj3Alloc() (which, when ZERO_BUFFERS is defined, calls calloc() instead of malloc()) to allocate all destination buffers. Otherwise, if the compression/decompression/transform operation fails, then the buffer checksum (which is computed to prevent the compiler from optimizing out the whole test, since the destination buffer is never used otherwise) will depend upon values in the destination buffer that were never written, and MSan will complain.
132 lines
4.6 KiB
C++
132 lines
4.6 KiB
C++
/*
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* Copyright (C)2021-2024 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 <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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#define NUMTESTS 6
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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, *yuvBuf = NULL;
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int width = 0, height = 0, fd = -1, i, ti;
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char filename[FILENAME_MAX] = { 0 };
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struct test tests[NUMTESTS] = {
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{ TJPF_XBGR, TJSAMP_444, 100 },
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{ TJPF_XRGB, TJSAMP_422, 90 },
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{ TJPF_BGR, TJSAMP_420, 80 },
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{ TJPF_RGB, TJSAMP_411, 70 },
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{ TJPF_BGR, TJSAMP_GRAY, 60 },
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{ TJPF_GRAY, TJSAMP_GRAY, 50 }
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};
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snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_compress_yuv_fuzz.XXXXXX");
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if ((fd = mkstemp(filename)) < 0 || write(fd, data, size) < 0)
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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 sum = 0, pf = tests[ti].pf;
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size_t dstSize = 0, maxBufSize;
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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 == 4);
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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, 1);
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tj3Set(handle, TJPARAM_RESTARTBLOCKS, ti == 3 || ti == 4 ? 4 : 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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if ((srcBuf = tj3LoadImage8(handle, filename, &width, 1, &height,
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&pf)) == NULL)
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continue;
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maxBufSize = tj3JPEGBufSize(width, height, tests[ti].subsamp);
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if ((dstBuf = (unsigned char *)tj3Alloc(maxBufSize)) == NULL)
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goto bailout;
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if ((yuvBuf =
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(unsigned char *)malloc(tj3YUVBufSize(width, 1, height,
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tests[ti].subsamp))) == NULL)
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goto bailout;
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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 (tj3EncodeYUV8(handle, srcBuf, width, 0, height, pf, yuvBuf, 1) == 0 &&
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tj3CompressFromYUV8(handle, yuvBuf, width, 1, height, &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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free(dstBuf);
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dstBuf = NULL;
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free(yuvBuf);
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yuvBuf = 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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free(dstBuf);
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free(yuvBuf);
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tj3Free(srcBuf);
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if (fd >= 0) {
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close(fd);
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if (strlen(filename) > 0) unlink(filename);
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}
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tj3Destroy(handle);
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return 0;
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}
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