134 lines
4.5 KiB
C++
134 lines
4.5 KiB
C++
/*
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* Copyright (C)2021 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 7
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/* Private flag that triggers different TurboJPEG API behavior when fuzzing */
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#define TJFLAG_FUZZING (1 << 30)
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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, 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_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 defined(__has_feature) && __has_feature(memory_sanitizer)
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char env[18] = "JSIMD_FORCENONE=1";
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/* The libjpeg-turbo SIMD extensions produce false positives with
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MemorySanitizer. */
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putenv(env);
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#endif
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snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_compress_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 = tjInitCompress()) == NULL)
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goto bailout;
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for (ti = 0; ti < NUMTESTS; ti++) {
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int flags = TJFLAG_FUZZING, sum = 0, pf = tests[ti].pf;
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unsigned long dstSize = 0, maxBufSize;
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/* Test non-default compression options on specific iterations. */
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if (ti == 0)
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flags |= TJFLAG_BOTTOMUP | TJFLAG_ACCURATEDCT;
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else if (ti == 1)
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flags |= TJFLAG_PROGRESSIVE;
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if (ti != 2)
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flags |= TJFLAG_NOREALLOC;
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/* tjLoadImage() refuses to load images larger than 1 Megapixel when
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FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION is defined (yes, that's a dirty
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hack), so we don't need to check the width and height here. */
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if ((srcBuf = tjLoadImage(filename, &width, 1, &height, &pf,
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flags)) == NULL)
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continue;
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maxBufSize = tjBufSize(width, height, tests[ti].subsamp);
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if (flags & TJFLAG_NOREALLOC) {
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if ((dstBuf = (unsigned char *)malloc(maxBufSize)) == NULL)
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goto bailout;
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} else
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dstBuf = NULL;
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if (tjCompress2(handle, srcBuf, width, 0, height, pf, &dstBuf, &dstSize,
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tests[ti].subsamp, tests[ti].quality, flags) == 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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tjFree(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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tjFree(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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if (handle) tjDestroy(handle);
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return 0;
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}
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