Bug 1372643 - Guard ScriptLoader::GetScriptGlobalObject with mDocument weak-ptr check. r=mrbkap

2017-06-14 13:58:32 +00:00
parent 8c8f7e02a7
commit d2758dc74d
1 changed files with 4 additions and 0 deletions
--- a/dom/script/ScriptLoader.cpp
+++ b/dom/script/ScriptLoader.cpp
@@ -1781,6 +1781,10 @@ ScriptLoader::FireScriptEvaluated(nsresult aResult,
 already_AddRefed<nsIScriptGlobalObject>
 ScriptLoader::GetScriptGlobalObject()
 {
+  if (!mDocument) {
+    return nullptr;
+  }
+
  nsPIDOMWindowInner* pwin = mDocument->GetInnerWindow();
  if (!pwin) {
    return nullptr;