commit 5c9737a5dd039b97a12b4c8607364db20cabeca1
author Greg Clayton <gclayton@apple.com> Thu Feb 07 03:41:30 2013 +0000
committer Greg Clayton <gclayton@apple.com> Thu Feb 07 03:41:30 2013 +0000
tree 9c67f3d25105aee13e5b482efefa66d7f35ff965
parent f6cdd126e8a305facea26144230b1975f2076a31

Address sanitizer found an issue which we filed a bug for: <rdar://problem/13168967>

llvm-svn: 174579

lldb/source/Expression/IRInterpreter.cpp

diff --git a/lldb/source/Expression/IRInterpreter.cpp b/lldb/source/Expression/IRInterpreter.cpp
index a01e191..de30832 100644
--- a/lldb/source/Expression/IRInterpreter.cpp
+++ b/lldb/source/Expression/IRInterpreter.cpp
@@ -533,6 +533,9 @@
         
         DataEncoderSP region_encoder = m_memory.GetEncoder(region);
         
+        if (buf.GetByteSize() > region_encoder->GetByteSize())
+            return false; // TODO figure out why this happens; try "expr int i = 12; i"
+            
         memcpy(region_encoder->GetDataStart(), buf.GetBytes(), buf.GetByteSize());
         
         return true;