### Godot version

master CI builds

### System information

Linux / Editor with doubles and GCC sanitizers

### Issue description

The `Linux / Editor with doubles and GCC sanitizers` build can fail with a `attempting free on address which was not malloc()-ed` crash in the `Open and close editor (Vulkan)` step.

https://github.com/godotengine/godot/actions/runs/5366302204/jobs/9735786296#step:15:138
https://github.com/godotengine/godot/actions/runs/5389199469/jobs/9783070708?pr=78740#step:15:138

The failure doesn't seem related to either PR (in fact one of them is just a docs change). I have only seen this issue these two times, still probably worth looking into.

### Steps to reproduce

Open and close https://github.com/godotengine/regression-test-project/archive/4.0.zip using the Vulkan renderer.

### Minimal reproduction project

https://github.com/godotengine/regression-test-project/archive/4.0.zip
submit_info.waitSemaphoreCount = 0;
		submit_info.pWaitSemaphores = nullptr;
		submit_info.commandBufferCount = 1;
		submit_info.pCommandBuffers = command_buffer_queue.ptr();
		submit_info.signalSemaphoreCount = pending_flushable ? 1 : 0;
		submit_info.pSignalSemaphores = pending_flushable ? &draw_complete_semaphores[frame_index] : nullptr;
		VkResult err = vkQueueSubmit(graphics_queue, 1, &submit_info, VK_NULL_HANDLE);
		command_buffer_queue.write[0] = nullptr;
		ERR_FAIL_COND(err);
	}
	if (pending_flushable) {
		
		VkSubmitInfo submit_info;
		submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
		submit_info.pNext = nullptr;
		VkPipelineStageFlags wait_stage_mask = VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT;
		submit_info.pWaitDstStageMask = setup_flushable ? &wait_stage_mask : nullptr;
		submit_info.waitSemaphoreCount = setup_flushable ? 1 : 0;
		submit_info.pWaitSemaphores = setup_flushable ? &draw_complete_semaphores[frame_index] : nullptr;
		submit_info.commandBufferCount = command_buffer_count - 1;
		submit_info.pCommandBuffers = command_buffer_queue.ptr() + 1;
		submit_info.signalSemaphoreCount = 0;
		submit_info.pSignalSemaphores = nullptr;
		VkResult err = vkQueueSubmit(graphics_queue, 1, &submit_info, VK_NULL_HANDLE);
		command_buffer_count = 1;
		ERR_FAIL_COND(err);
	}
	vkDeviceWaitIdle(device);
}
Error VulkanContext::prepare_buffers() {