From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Mon, 29 Jan 2018 12:58:40 +0000 (-0500)
Subject: Ensure we initialize a string correctly
X-Git-Tag: 7.0.7-23~221
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1b9d41ca6956686de2430d0355a1ab6f2d914587;p=imagemagick

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 2e6e300fe..049de8d71 100644
--- 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 {