commit 37dafba713be9bb422b274e05d932cc91bd72b7c
author David Majnemer <david.majnemer@gmail.com> Sat May 28 19:45:58 2016 +0000
committer David Majnemer <david.majnemer@gmail.com> Sat May 28 19:45:58 2016 +0000
tree c28dcefd39b0ae5a2bc259bf80b614bd00a9e72a
parent b343310b4f500f9274d1c659a3b9cab6ecce6651

[COFFDumper] Make sure there is sufficient padding left in the checksum

llvm-svn: 271143

llvm/tools/llvm-readobj/COFFDumper.cpp

diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
index 8bad24b..6fc57e8 100644
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -940,6 +940,8 @@
     W.printBinary("ChecksumBytes", ChecksumBytes);
     unsigned PaddedSize = alignTo(FC->ChecksumSize + sizeof(FileChecksum), 4) -
                           sizeof(FileChecksum);
+    if (PaddedSize > Data.size())
+      error(object_error::parse_failed);
     Data = Data.drop_front(PaddedSize);
   }
 }