[cfe-commits] r98873 - /cfe/trunk/lib/Frontend/PCHReader.cpp

[Ted Kremenek]

Author: kremenek
Date: Thu Mar 18 16:23:05 2010
New Revision: 98873

URL: http://llvm.org/viewvc/llvm-project?rev=98873&view=rev
Log:
Add bounds check in PCHReader. when reading source file entry record

Modified:
    cfe/trunk/lib/Frontend/PCHReader.cpp

Modified: cfe/trunk/lib/Frontend/PCHReader.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/PCHReader.cpp?rev=98873&r1=98872&r2=98873&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/PCHReader.cpp (original)
+++ cfe/trunk/lib/Frontend/PCHReader.cpp Thu Mar 18 16:23:05 2010
@@ -902,6 +902,11 @@
       return Failure;
     }
 
+    if (Record.size() < 8) {
+      Error("source location entry is incorrect");
+      return Failure;
+    }
+
     FileID FID = SourceMgr.createFileID(File,
                                 SourceLocation::getFromRawEncoding(Record[1]),
                                        (SrcMgr::CharacteristicKind)Record[2],