third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp - Issue 1414553002: Fix out-of-memory crashes related to ArrayBuffer allocation

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Unified Diff: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp

Issue 1414553002: Fix out-of-memory crashes related to ArrayBuffer allocation Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase+more tweaks Created 5 years, 1 month ago

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Index: third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp

diff --git a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp

index bc1e32f4a090fdb4f9d5092eab00f52cbc79609f..c96bcdf24c75f5bb4b73cc04afbbf7b2f2c21992 100644

--- a/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp

+++ b/third_party/WebKit/Source/bindings/core/v8/SerializedScriptValue.cpp

@@ -136,8 +136,8 @@ PassOwnPtr<SerializedScriptValue::ArrayBufferContentsArray> SerializedScriptValu

RefPtr<DOMArrayBufferBase> toTransfer = arrayBuffers[i];

if (!isNeuterable)

- toTransfer = DOMArrayBuffer::create(arrayBuffers[i]->buffer());

- bool result = toTransfer->transfer(contents->at(i));

+ toTransfer = DOMArrayBuffer::createOrNull(arrayBuffers[i]->buffer());

+ bool result = toTransfer ? toTransfer->transfer(contents->at(i)) : false;

if (!result) {

exceptionState.throwDOMException(DataCloneError, "ArrayBuffer at index " + String::number(i) + " could not be transferred.");

return nullptr;