Update code to v1.0.14 (10)

2026-05-20 16:35:47 +08:00 · 2024-02-29 19:35:00 +08:00
parent c2ee3b694c
commit a956d26f6d
3188 changed files with 2317293 additions and 146 deletions
--- a/android/extern/libjpeg-turbo/fuzz/decompress.cc
+++ b/android/extern/libjpeg-turbo/fuzz/decompress.cc
@@ -0,0 +1,106 @@
+/*
+ * 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 <stdlib.h>
+#include <stdint.h>
+
+
+#define NUMPF  4
+
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+  tjhandle handle = NULL;
+  unsigned char *dstBuf = NULL;
+  int width = 0, height = 0, jpegSubsamp, jpegColorspace, pfi;
+  /* TJPF_RGB-TJPF_BGR share the same code paths, as do TJPF_RGBX-TJPF_XRGB and
+     TJPF_RGBA-TJPF_ARGB.  Thus, the pixel formats below should be the minimum
+     necessary to achieve full coverage. */
+  enum TJPF pixelFormats[NUMPF] =
+    { TJPF_RGB, TJPF_BGRX, TJPF_GRAY, TJPF_CMYK };
+#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
+
+  if ((handle = tjInitDecompress()) == NULL)
+    goto bailout;
+
+  /* We ignore the return value of tjDecompressHeader3(), because some JPEG
+     images may have unusual subsampling configurations that the TurboJPEG API
+     cannot identify but can still decompress. */
+  tjDecompressHeader3(handle, data, size, &width, &height, &jpegSubsamp,
+                      &jpegColorspace);
+
+  /* Ignore 0-pixel images and images larger than 1 Megapixel, as Google's
+     OSS-Fuzz target for libjpeg-turbo did.  Casting width to (uint64_t)
+     prevents integer overflow if width * height > INT_MAX. */
+  if (width < 1 || height < 1 || (uint64_t)width * height > 1048576)
+    goto bailout;
+
+  for (pfi = 0; pfi < NUMPF; pfi++) {
+    int pf = pixelFormats[pfi], flags = TJFLAG_LIMITSCANS, i, sum = 0;
+    int w = width, h = height;
+
+    /* Test non-default decompression options on the first iteration. */
+    if (pfi == 0)
+      flags |= TJFLAG_BOTTOMUP | TJFLAG_FASTUPSAMPLE | TJFLAG_FASTDCT;
+    /* Test IDCT scaling on the second iteration. */
+    else if (pfi == 1) {
+      w = (width + 1) / 2;
+      h = (height + 1) / 2;
+    }
+
+    if ((dstBuf = (unsigned char *)malloc(w * h * tjPixelSize[pf])) == NULL)
+      goto bailout;
+
+    if (tjDecompress2(handle, data, size, dstBuf, w, 0, h, pf, flags) == 0) {
+      /* Touch all of the output pixels in order to catch uninitialized reads
+         when using MemorySanitizer. */
+      for (i = 0; i < w * h * tjPixelSize[pf]; i++)
+        sum += dstBuf[i];
+    }
+
+    free(dstBuf);
+    dstBuf = 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 * 1048576 * tjPixelSize[pf])
+      goto bailout;
+  }
+
+bailout:
+  free(dstBuf);
+  if (handle) tjDestroy(handle);
+  return 0;
+}