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常驻服务长稳任务中，nscd出现coredump
Done
#ICUMFA
Bug
peulerosci
Opened this issue
2025-08-25 18:51
<h3>优先级:</h3><p>次要</p><p></p><h3>详细描述:</h3><p></p><p> 【OS版本】：被测的版本信息</p><p></p><p></p><p></p><p> 【测试类型】：发现问题的测试类型，功能测试、可靠性测试、性能测试等</p><p></p><p>可靠性测试</p><p></p><p> 【测试步骤】：详细描述可以复现该问题的测试步骤</p><p></p><p>执行常驻服务专项任务</p><p></p><p></p><p></p><p></p><p> 【结果输出】：根据上述测试步骤执行后，系统的实际输出</p><p></p><p></p><p></p><p></p><p> 【预期输出】：系统在上述测试步骤操作后，按照系统设计应该输出的结果</p><p></p><p>无coredump产生</p><p></p><p></p><p></p><p></p><p> 【测试代码】：发现问题的测试代码，或者关键片段，能指导问题复现</p><p></p><p></p><p></p><p></p><p> 【初步定位结论】：已明确的相关定位信息或者相关的沟通交流信息</p><p></p><p>nscd与sssd并发时触发问题</p><p></p><p> </p><h3>原因分析:</h3><p></p><p>【是否新引入rpm包，是否进行了安全编译选项扫描】</p><p></p><p>否</p><p></p><p>【定位分析】</p><p></p><p>sssd memory cache contex存在并发访问问题，根据coredump场景，构造3线程按照特定时序访问，可触发当前问题。</p><p></p><p>详细描述参见：https://github.com/SSSD/sssd/issues/7967</p><p></p><p></p><p></p><p></p><p></p><p></p><p>否</p><p></p><p>【是否修改引入】</p><p>否</p><p></p><p></p><p></p>
<h3>优先级:</h3><p>次要</p><p></p><h3>详细描述:</h3><p></p><p> 【OS版本】：被测的版本信息</p><p></p><p></p><p></p><p> 【测试类型】：发现问题的测试类型，功能测试、可靠性测试、性能测试等</p><p></p><p>可靠性测试</p><p></p><p> 【测试步骤】：详细描述可以复现该问题的测试步骤</p><p></p><p>执行常驻服务专项任务</p><p></p><p></p><p></p><p></p><p> 【结果输出】：根据上述测试步骤执行后，系统的实际输出</p><p></p><p></p><p></p><p></p><p> 【预期输出】：系统在上述测试步骤操作后，按照系统设计应该输出的结果</p><p></p><p>无coredump产生</p><p></p><p></p><p></p><p></p><p> 【测试代码】：发现问题的测试代码，或者关键片段，能指导问题复现</p><p></p><p></p><p></p><p></p><p> 【初步定位结论】：已明确的相关定位信息或者相关的沟通交流信息</p><p></p><p>nscd与sssd并发时触发问题</p><p></p><p> </p><h3>原因分析:</h3><p></p><p>【是否新引入rpm包，是否进行了安全编译选项扫描】</p><p></p><p>否</p><p></p><p>【定位分析】</p><p></p><p>sssd memory cache contex存在并发访问问题，根据coredump场景，构造3线程按照特定时序访问，可触发当前问题。</p><p></p><p>详细描述参见：https://github.com/SSSD/sssd/issues/7967</p><p></p><p></p><p></p><p></p><p></p><p></p><p>否</p><p></p><p>【是否修改引入】</p><p>否</p><p></p><p></p><p></p>
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