Hardened LLDB against NULL conditions being

passed to breakpoints.

<rdar://problem/13853205>

llvm-svn: 181636

2 files changed, 6 insertions, 0 deletions

diff --git a/lldb/source/Breakpoint/BreakpointLocation.cpp b/lldb/source/Breakpoint/BreakpointLocation.cpp
index 04142b268e4..fe8267dcacd 100644
--- a/lldb/source/Breakpoint/BreakpointLocation.cpp
+++ b/lldb/source/Breakpoint/BreakpointLocation.cpp
@@ -254,7 +254,10 @@ BreakpointLocation::ConditionSaysStop (ExecutionContext &exe_ctx, Error &error)
     const char *condition_text = GetConditionText(&condition_hash);
     
     if (!condition_text)
+    {
+        m_user_expression_sp.reset();
         return false;
+    }
     
     if (condition_hash != m_condition_hash ||
         !m_user_expression_sp ||
diff --git a/lldb/source/Breakpoint/BreakpointOptions.cpp b/lldb/source/Breakpoint/BreakpointOptions.cpp
index d0aaf47d8a6..3a4a117695f 100644
--- a/lldb/source/Breakpoint/BreakpointOptions.cpp
+++ b/lldb/source/Breakpoint/BreakpointOptions.cpp
@@ -162,6 +162,9 @@ BreakpointOptions::HasCallback ()
 void 
 BreakpointOptions::SetCondition (const char *condition)
 {
+    if (!condition)
+        condition = "";
+    
     m_condition_text.assign(condition);
     std::hash<std::string> hasher;
     m_condition_text_hash = hasher(m_condition_text);