oss-fuzz: decrease input size again

gumbo-parser/fuzzer/parse_fuzzer.cc

@@ -38,32 +38,22 @@ int SanityCheckPointers(const char* input, size_t input_length, const GumboNode*
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   /* arbitrary upper size limit to avoid "out-of-memory in parse_fuzzer" reports */
-  if (size < 10 | size > 50000)
-  {
-      return 0;
+  if (size < 10 | size > 25000) {
+    return 0;
   }
-  
+
   GumboOptions options = kGumboDefaultOptions;
-  GumboOutput* output;
-  GumboNode* root;
+  GumboOutput* output = gumbo_parse_with_options(&options, (char*)data, size);
 
-  output = gumbo_parse_with_options(&options, (char*)data, size);
-  root = output->document;
-
   int result = SanityCheckPointers((char*)data, size, output->root, 0);
 
-  if (result < 0)
-  {
-    if (output) {
-      gumbo_destroy_output(output);
-    }
-
-    return -1;
-  }
-
   if (output) {
     gumbo_destroy_output(output);
   }
 
-	return 0;
+  if (result < 0) {
+    return -1;
+  }
+
+  return 0;
 }