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LibWeb: Prevent AudioBuffer data being copied to or from a shared buffer

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This commit is contained in:
Tim Ledbetter
2025-01-18 22:14:08 +00:00
committed by Tim Ledbetter
parent 958938655d
commit c4bc0842c1
3 changed files with 401 additions and 0 deletions
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4
Libraries/LibWeb/WebAudio/AudioBuffer.cpp
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@@ -94,6 +94,8 @@ WebIDL::ExceptionOr<void> AudioBuffer::copy_from_channel(GC::Root<WebIDL::Buffer
if (!is<JS::Float32Array>(*destination->raw_object()))
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "Float32Array");
auto& float32_array = static_cast<JS::Float32Array&>(*destination->raw_object());
if (float32_array.viewed_array_buffer()->is_shared_array_buffer())
return vm.throw_completion<JS::TypeError>(JS::ErrorType::SharedArrayBuffer, "Float32Array");
auto const channel = TRY(get_channel_data(channel_number));
@@ -122,6 +124,8 @@ WebIDL::ExceptionOr<void> AudioBuffer::copy_to_channel(GC::Root<WebIDL::BufferSo
if (!is<JS::Float32Array>(*source->raw_object()))
return vm.throw_completion<JS::TypeError>(JS::ErrorType::NotAnObjectOfType, "Float32Array");
auto const& float32_array = static_cast<JS::Float32Array const&>(*source->raw_object());
if (float32_array.viewed_array_buffer()->is_shared_array_buffer())
return vm.throw_completion<JS::TypeError>(JS::ErrorType::SharedArrayBuffer, "Float32Array");
auto channel = TRY(get_channel_data(channel_number));