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LibWeb: Fix a blatant nullptr dereference in ReadableStreamGenericReader
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9ee64b5694
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2b269d4a49
3 changed files with 12 additions and 3 deletions
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@ -26,9 +26,8 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> ReadableStreamGenericReaderMi
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{
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// 1. If this.[[stream]] is undefined, return a promise rejected with a TypeError exception.
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if (!m_stream) {
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auto& realm = stream()->realm();
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auto exception = MUST_OR_THROW_OOM(JS::TypeError::create(realm, "No stream present to cancel"sv));
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auto promise_capability = WebIDL::create_rejected_promise(realm, exception);
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auto exception = MUST_OR_THROW_OOM(JS::TypeError::create(m_realm, "No stream present to cancel"sv));
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auto promise_capability = WebIDL::create_rejected_promise(m_realm, exception);
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return JS::NonnullGCPtr { verify_cast<JS::Promise>(*promise_capability->promise().ptr()) };
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}
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@ -37,6 +36,11 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> ReadableStreamGenericReaderMi
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return JS::NonnullGCPtr { verify_cast<JS::Promise>(*promise_capability->promise().ptr()) };
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}
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ReadableStreamGenericReaderMixin::ReadableStreamGenericReaderMixin(JS::Realm& realm)
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: m_realm(realm)
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{
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}
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void ReadableStreamGenericReaderMixin::visit_edges(JS::Cell::Visitor& visitor)
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{
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visitor.visit(m_closed_promise);
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