commit abb1dddfcd2e575e2782e653460efc377076df73
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 47c63698c25ffd8f871117af4c1849ce5b459d6d
parent 13590892e76ca3d965c5c721a00b7e9a7cce1c0c

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

llvm-svn: 98873

clang/lib/Frontend/PCHReader.cpp

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