blob: 539932f13de9d58cfd33f2ff4ba9b271abe74521 [file] [log] [blame]
/*
* Copyright (C)2021 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <turbojpeg.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#define NUMTESTS 7
/* Private flag that triggers different TurboJPEG API behavior when fuzzing */
#define TJFLAG_FUZZING (1 << 30)
struct test {
enum TJPF pf;
enum TJSAMP subsamp;
int quality;
};
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
tjhandle handle = NULL;
unsigned char *srcBuf = NULL, *dstBuf = NULL;
int width = 0, height = 0, fd = -1, i, ti;
char filename[FILENAME_MAX] = { 0 };
struct test tests[NUMTESTS] = {
{ TJPF_RGB, TJSAMP_444, 100 },
{ TJPF_BGR, TJSAMP_422, 90 },
{ TJPF_RGBX, TJSAMP_420, 80 },
{ TJPF_BGRA, TJSAMP_411, 70 },
{ TJPF_XRGB, TJSAMP_GRAY, 60 },
{ TJPF_GRAY, TJSAMP_GRAY, 50 },
{ TJPF_CMYK, TJSAMP_440, 40 }
};
#if defined(__has_feature) && __has_feature(memory_sanitizer)
char env[18] = "JSIMD_FORCENONE=1";
/* The libjpeg-turbo SIMD extensions produce false positives with
MemorySanitizer. */
putenv(env);
#endif
snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_compress_fuzz.XXXXXX");
if ((fd = mkstemp(filename)) < 0 || write(fd, data, size) < 0)
goto bailout;
if ((handle = tjInitCompress()) == NULL)
goto bailout;
for (ti = 0; ti < NUMTESTS; ti++) {
int flags = TJFLAG_FUZZING, sum = 0, pf = tests[ti].pf;
unsigned long dstSize = 0, maxBufSize;
/* Test non-default compression options on specific iterations. */
if (ti == 0)
flags |= TJFLAG_BOTTOMUP | TJFLAG_ACCURATEDCT;
else if (ti == 1)
flags |= TJFLAG_PROGRESSIVE;
if (ti != 2)
flags |= TJFLAG_NOREALLOC;
/* tjLoadImage() refuses to load images larger than 1 Megapixel when
FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION is defined (yes, that's a dirty
hack), so we don't need to check the width and height here. */
if ((srcBuf = tjLoadImage(filename, &width, 1, &height, &pf,
flags)) == NULL)
continue;
maxBufSize = tjBufSize(width, height, tests[ti].subsamp);
if (flags & TJFLAG_NOREALLOC) {
if ((dstBuf = (unsigned char *)malloc(maxBufSize)) == NULL)
goto bailout;
} else
dstBuf = NULL;
if (tjCompress2(handle, srcBuf, width, 0, height, pf, &dstBuf, &dstSize,
tests[ti].subsamp, tests[ti].quality, flags) == 0) {
/* Touch all of the output pixels in order to catch uninitialized reads
when using MemorySanitizer. */
for (i = 0; i < dstSize; i++)
sum += dstBuf[i];
}
free(dstBuf);
dstBuf = NULL;
tjFree(srcBuf);
srcBuf = NULL;
/* Prevent the code above from being optimized out. This test should never
be true, but the compiler doesn't know that. */
if (sum > 255 * maxBufSize)
goto bailout;
}
bailout:
free(dstBuf);
tjFree(srcBuf);
if (fd >= 0) {
close(fd);
if (strlen(filename) > 0) unlink(filename);
}
if (handle) tjDestroy(handle);
return 0;
}