2 * Copyright (C)2021-2023 D. R. Commander. All Rights Reserved.
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29 #include <turbojpeg.h>
47 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
49 tjhandle handle = NULL;
50 unsigned char *srcBuf = NULL, *dstBuf = NULL, *yuvBuf = NULL;
51 int width = 0, height = 0, fd = -1, i, ti;
52 char filename[FILENAME_MAX] = { 0 };
53 struct test tests[NUMTESTS] = {
54 { TJPF_XBGR, TJSAMP_444, 100 },
55 { TJPF_XRGB, TJSAMP_422, 90 },
56 { TJPF_BGR, TJSAMP_420, 80 },
57 { TJPF_RGB, TJSAMP_411, 70 },
58 { TJPF_BGR, TJSAMP_GRAY, 60 },
59 { TJPF_GRAY, TJSAMP_GRAY, 50 }
61 #if defined(__has_feature) && __has_feature(memory_sanitizer)
62 char env[18] = "JSIMD_FORCENONE=1";
64 /* The libjpeg-turbo SIMD extensions produce false positives with
69 snprintf(filename, FILENAME_MAX, "/tmp/libjpeg-turbo_compress_yuv_fuzz.XXXXXX");
70 if ((fd = mkstemp(filename)) < 0 || write(fd, data, size) < 0)
73 if ((handle = tj3Init(TJINIT_COMPRESS)) == NULL)
76 for (ti = 0; ti < NUMTESTS; ti++) {
77 int sum = 0, pf = tests[ti].pf;
78 size_t dstSize = 0, maxBufSize;
80 /* Test non-default compression options on specific iterations. */
81 tj3Set(handle, TJPARAM_BOTTOMUP, ti == 0);
82 tj3Set(handle, TJPARAM_FASTDCT, ti == 1);
83 tj3Set(handle, TJPARAM_OPTIMIZE, ti == 4);
84 tj3Set(handle, TJPARAM_PROGRESSIVE, ti == 1 || ti == 3);
85 tj3Set(handle, TJPARAM_ARITHMETIC, ti == 2 || ti == 3);
86 tj3Set(handle, TJPARAM_NOREALLOC, 1);
87 tj3Set(handle, TJPARAM_RESTARTBLOCKS, ti == 3 || ti == 4 ? 4 : 0);
89 tj3Set(handle, TJPARAM_MAXPIXELS, 1048576);
90 /* tj3LoadImage8() will refuse to load images larger than 1 Megapixel, so
91 we don't need to check the width and height here. */
92 if ((srcBuf = tj3LoadImage8(handle, filename, &width, 1, &height,
96 maxBufSize = tj3JPEGBufSize(width, height, tests[ti].subsamp);
97 if ((dstBuf = (unsigned char *)malloc(maxBufSize)) == NULL)
100 (unsigned char *)malloc(tj3YUVBufSize(width, 1, height,
101 tests[ti].subsamp))) == NULL)
104 tj3Set(handle, TJPARAM_SUBSAMP, tests[ti].subsamp);
105 tj3Set(handle, TJPARAM_QUALITY, tests[ti].quality);
106 if (tj3EncodeYUV8(handle, srcBuf, width, 0, height, pf, yuvBuf, 1) == 0 &&
107 tj3CompressFromYUV8(handle, yuvBuf, width, 1, height, &dstBuf,
109 /* Touch all of the output pixels in order to catch uninitialized reads
110 when using MemorySanitizer. */
111 for (i = 0; i < dstSize; i++)
122 /* Prevent the code above from being optimized out. This test should never
123 be true, but the compiler doesn't know that. */
124 if (sum > 255 * maxBufSize)
134 if (strlen(filename) > 0) unlink(filename);