<rdar://problem/12968925>

Ensuring that the Module's FileSpec is not NULL before attempting to deref it for loading the python scripting resource

llvm-svn: 171838

1 files changed, 7 insertions, 0 deletions

diff --git a/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp b/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
index f2f7a91559d..c0f12cd7b6c 100644
--- a/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
+++ b/lldb/source/Plugins/Platform/MacOSX/PlatformDarwin.cpp
@@ -54,6 +54,13 @@ FileSpec
 PlatformDarwin::LocateExecutableScriptingResource (const ModuleSpec &module_spec)
 {
     const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
+    // APIs such as NSLinkModule() allow us to attach a library without a filename
+    // make sure we do not crash under those circumstances
+    if (!exec_fspec)
+        return FileSpec();
+
+    // if the arch and uuid are ever used for anything other than display purposes
+    // make sure they are not NULL before proceeding
     const ArchSpec *arch = module_spec.GetArchitecturePtr();
     const UUID *uuid = module_spec.GetUUIDPtr();