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2026-08-27 11:03:10 -06:00
commit d164820ea9
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+/*
+ * Copyright (C) 2021, 2024, 2026 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.
+ */
+
+/* This fuzz target wraps cjpeg in order to test esoteric compression options
+   as well as the GIF and Targa readers. */
+
+#define CJPEG_FUZZER
+extern "C" {
+#include "../src/cjpeg.c"
+}
+
+#include <stdint.h>
+#include <unistd.h>
+
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
+{
+  char *argv1[] = {
+    (char *)"cjpeg", (char *)"-dct", (char *)"float", (char *)"-memdst",
+    (char *)"-quality", (char *)"100,99,98",
+    (char *)"-sample", (char *)"4x1,2x2,1x2", (char *)"-targa"
+  };
+  char *argv2[] = {
+    (char *)"cjpeg", (char *)"-dct", (char *)"float", (char *)"-memdst",
+    (char *)"-quality", (char *)"90,80,70", (char *)"-smooth", (char *)"50",
+    (char *)"-targa"
+  };
+  FILE *file = NULL;
+
+  if ((file = fmemopen((void *)data, size, "r")) == NULL)
+    goto bailout;
+
+  fseek(file, 0, SEEK_SET);
+  cjpeg_fuzzer(9, argv1, file);
+  fseek(file, 0, SEEK_SET);
+  cjpeg_fuzzer(9, argv2, file);
+
+  argv1[8] = argv2[8] = NULL;
+
+  fseek(file, 0, SEEK_SET);
+  cjpeg_fuzzer(8, argv1, file);
+  fseek(file, 0, SEEK_SET);
+  cjpeg_fuzzer(8, argv2, file);
+
+bailout:
+  if (file) fclose(file);
+  return 0;
+}