commit 1857f628cb3acc4df2cd368b8fbd7d984486a06c
author Ted Kremenek <kremenek@apple.com> Thu Mar 18 21:23:05 2010 +0000
committer Ted Kremenek <kremenek@apple.com> Thu Mar 18 21:23:05 2010 +0000
tree f6047232c7c101ba6cb72083b9b871a0bc301f10
parent 90c71268f04369328e8f579007b8b4f1da9feea0

Add bounds check in PCHReader. when reading source file entry record

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98873 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/PCHReader.cpp

diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 63146a2..36cddd3 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -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],