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                <h1 id="07062020-peter-sovietov"><span style="font-weight:normal;font-style:italic;font-size:medium">07/06/2020, Peter Sovietov</span><a class="headerlink" href="#07062020-peter-sovietov" title="Permanent link">&para;</a></h1>
<p>Любопытная заметка от Intel на тему использования внешнего решателя задач целочисленного программирования в LLVM.
Речь идет об оптимальной расстановке команды LFENCE в управляющем графе. Это нужно для предотвращения LVI-атак.</p>
<p><strong>An Optimized Mitigation Approach for Load Value Injection </strong>
<a href="https://software.intel.com/security-software-guidance/insights/optimized-mitigation-approach-load-value-injection">https://software.intel.com/security-software-guidance/insights/optimized-mitigation-approach-load-value-injection</a></p>
<p>ILP-решатель для автоматической вставки fence применяли и ранее. См., например, работу <strong>Don’t sit on the fence. A static analysis approach to automatic fence insertion</strong>:
<a href="https://arxiv.org/pdf/1312.1411.pdf">https://arxiv.org/pdf/1312.1411.pdf</a></p>
<p><a href="analysis.html">#analysis</a> <a href="solver.html">#solver</a></p>
                
              
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