[llvm] r289966 - [libFuzzer] Fix index error in SearchMemory() implementation for Windows.

[Marcos Pividori via llvm-commits]

Author: mpividori
Date: Fri Dec 16 11:35:25 2016
New Revision: 289966

URL: http://llvm.org/viewvc/llvm-project?rev=289966&view=rev
Log:
[libFuzzer] Fix index error in SearchMemory() implementation for Windows.

Differential Revision: https://reviews.llvm.org/D27731

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerUtilWindows.cpp

Modified: llvm/trunk/lib/Fuzzer/FuzzerUtilWindows.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerUtilWindows.cpp?rev=289966&r1=289965&r2=289966&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerUtilWindows.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerUtilWindows.cpp Fri Dec 16 11:35:25 2016
@@ -168,7 +168,7 @@ const void *SearchMemory(const void *Dat
   if (PattLen == 1)
     return memchr(Data, *Cpatt, DataLen);
 
-  const char *End = Cdata + DataLen - PattLen;
+  const char *End = Cdata + DataLen - PattLen + 1;
 
   for (const char *It = Cdata; It < End; ++It)
     if (It[0] == Cpatt[0] && memcmp(It, Cpatt, PattLen) == 0)