libvncserver: Add thread protection for updateBuf #607
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Thread safety for updateBuf in rfbSendFramebufferUpdate. In multi-thread mode, different threads may modify cl->updateBuf and cl->ublen at same time. When this happends libvncserver may crash. Signed-off-by: Xinnan Xie <xiexinnan@bytedance.com>
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Thread safety for updateBuf in rfbSendFramebufferUpdate. In multi-thread mode, different threads may modify cl->updateBuf and cl->ublen at same time. When this happends libvncserver may crash.