[Lldb-commits] [PATCH] D57964: Fix potential UB when target_file directory is null

[Stefan Gränitz via Phabricator via lldb-commits]

sgraenitz updated this revision to Diff 186002.
sgraenitz added a comment.

Remove useless newline


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57964/new/

https://reviews.llvm.org/D57964

Files:
  source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp


Index: source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
===================================================================
--- source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
+++ source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
@@ -2780,7 +2780,13 @@
       basename = pathname; // not a filename, probably a package of some sort,
                            // let it go through
     } else if (is_directory(st) || is_regular_file(st)) {
-      std::string directory = target_file.GetDirectory().GetCString();
+      const char *dir_cstr = target_file.GetDirectory().GetCString();
+      if (!dir_cstr) {
+        error.SetErrorString("invalid directory name");
+        return false;
+      }
+
+      std::string directory(dir_cstr);
       replace_all(directory, "\\", "\\\\");
       replace_all(directory, "'", "\\'");
 



Index: source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
===================================================================
--- source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
+++ source/Plugins/ScriptInterpreter/Python/ScriptInterpreterPython.cpp
@@ -2780,7 +2780,13 @@
       basename = pathname; // not a filename, probably a package of some sort,
                            // let it go through
     } else if (is_directory(st) || is_regular_file(st)) {
-      std::string directory = target_file.GetDirectory().GetCString();
+      const char *dir_cstr = target_file.GetDirectory().GetCString();
+      if (!dir_cstr) {
+        error.SetErrorString("invalid directory name");
+        return false;
+      }
+
+      std::string directory(dir_cstr);
       replace_all(directory, "\\", "\\\\");
       replace_all(directory, "'", "\\'");
 

_______________________________________________
lldb-commits mailing list
lldb-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits