Ensure we initialize a string correctly

Data is not guaranteed to be nul terminated.

diff --git a/Magick++/fuzz/encoder_xc_fuzzer.cc b/Magick++/fuzz/encoder_xc_fuzzer.cc
index 2e6e300feaedcef2e67a5e32c4697017b0663e74..049de8d71ff868707a25d385b88b0a0d93e6145a 100644 (file)
--- a/Magick++/fuzz/encoder_xc_fuzzer.cc
+++ b/Magick++/fuzz/encoder_xc_fuzzer.cc
@@ -9,7 +9,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   // Allow a bit extra to make sure we do proper bounds checking in Magick++
   if (Size > MagickPathExtent)
     return 0;
-  std::string color(reinterpret_cast<const char*>(Data));
+  std::string color(reinterpret_cast<const char*>(Data), Size);
 
   Magick::Image image;
   try {