From e597487f31726085464a6188ad004fb10fad8305 Mon Sep 17 00:00:00 2001
From: Andrea Marchesini <amarchesini@mozilla.com>
Date: Thu, 10 May 2018 09:02:16 +0200
Subject: Bug 1452576 - Improve StructuredCloneHolder for fuzzy tests,
 r=decoder a=jcristau

--HG--
extra : rebase_source : eb2bc60ffcac9afd44da7a2f5c99913829cd4753
---
 dom/base/StructuredCloneHolder.cpp | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

(limited to 'dom/base/StructuredCloneHolder.cpp')

diff --git a/dom/base/StructuredCloneHolder.cpp b/dom/base/StructuredCloneHolder.cpp
index 1c27c632e..8e7cee340 100644
--- a/dom/base/StructuredCloneHolder.cpp
+++ b/dom/base/StructuredCloneHolder.cpp
@@ -1075,9 +1075,9 @@ StructuredCloneHolder::CustomReadHandler(JSContext* aCx,
     return ReadFormData(aCx, aReader, aIndex, this);
   }
 
-  if (aTag == SCTAG_DOM_IMAGEBITMAP) {
-    MOZ_ASSERT(mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
-               mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread);
+  if (aTag == SCTAG_DOM_IMAGEBITMAP &&
+      (mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
+       mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread)) {
 
     // Get the current global object.
     // This can be null.
@@ -1087,7 +1087,9 @@ StructuredCloneHolder::CustomReadHandler(JSContext* aCx,
                                             parent, GetSurfaces(), aIndex);
   }
 
-  if (aTag == SCTAG_DOM_WASM) {
+  if (aTag == SCTAG_DOM_WASM &&
+      (mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
+       mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread)) {
     return ReadWasmModule(aCx, aIndex, this);
   }
 
@@ -1202,9 +1204,9 @@ StructuredCloneHolder::CustomReadTransferHandler(JSContext* aCx,
     return true;
   }
 
-  if (aTag == SCTAG_DOM_CANVAS) {
-    MOZ_ASSERT(mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
-               mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread);
+  if (aTag == SCTAG_DOM_CANVAS &&
+      (mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
+       mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread)) {
     MOZ_ASSERT(aContent);
     OffscreenCanvasCloneData* data =
       static_cast<OffscreenCanvasCloneData*>(aContent);
@@ -1222,9 +1224,9 @@ StructuredCloneHolder::CustomReadTransferHandler(JSContext* aCx,
     return true;
   }
 
-  if (aTag == SCTAG_DOM_IMAGEBITMAP) {
-    MOZ_ASSERT(mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
-               mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread);
+  if (aTag == SCTAG_DOM_IMAGEBITMAP &&
+      (mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
+       mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread)) {
     MOZ_ASSERT(aContent);
     ImageBitmapCloneData* data =
       static_cast<ImageBitmapCloneData*>(aContent);
@@ -1328,9 +1330,9 @@ StructuredCloneHolder::CustomFreeTransferHandler(uint32_t aTag,
     return;
   }
 
-  if (aTag == SCTAG_DOM_CANVAS) {
-    MOZ_ASSERT(mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
-               mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread);
+  if (aTag == SCTAG_DOM_CANVAS &&
+      (mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
+       mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread)) {
     MOZ_ASSERT(aContent);
     OffscreenCanvasCloneData* data =
       static_cast<OffscreenCanvasCloneData*>(aContent);
@@ -1338,9 +1340,9 @@ StructuredCloneHolder::CustomFreeTransferHandler(uint32_t aTag,
     return;
   }
 
-  if (aTag == SCTAG_DOM_IMAGEBITMAP) {
-    MOZ_ASSERT(mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
-               mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread);
+  if (aTag == SCTAG_DOM_IMAGEBITMAP &&
+      (mStructuredCloneScope == StructuredCloneScope::SameProcessSameThread ||
+       mStructuredCloneScope == StructuredCloneScope::SameProcessDifferentThread)) {
     MOZ_ASSERT(aContent);
     ImageBitmapCloneData* data =
       static_cast<ImageBitmapCloneData*>(aContent);
-- 
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