[Lldb-commits] [lldb] r183448 - Hardened the IR interpreter to prevent it from

[Sean Callanan]

Author: spyffe
Date: Thu Jun  6 16:14:35 2013
New Revision: 183448

URL: http://llvm.org/viewvc/llvm-project?rev=183448&view=rev
Log:
Hardened the IR interpreter to prevent it from
reading non-standard value sizes.

<rdar://problem/14081292>

Modified:
    lldb/trunk/source/Expression/IRInterpreter.cpp

Modified: lldb/trunk/source/Expression/IRInterpreter.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Expression/IRInterpreter.cpp?rev=183448&r1=183447&r2=183448&view=diff
==============================================================================
--- lldb/trunk/source/Expression/IRInterpreter.cpp (original)
+++ lldb/trunk/source/Expression/IRInterpreter.cpp Thu Jun  6 16:14:35 2013
@@ -172,7 +172,7 @@ public:
                 return false;
             
             lldb::offset_t offset = 0;
-            if (value_size <= 8)
+            if (value_size == 1 || value_size == 2 || value_size == 4 || value_size == 8)
             {
                 uint64_t u64value = value_extractor.GetMaxU64(&offset, value_size);
                 return AssignToMatchType(scalar, u64value, value->getType());