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sd-journal 接口导致syslog生成生coredump
Done
#IBGQUW
Bug
peulerosci
Opened this issue
2025-01-09 16:10
<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>master、oe-2403</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>功能测试</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>1、配置可收集到rsyslog生成的coredump文件</p><p></p><p>2、修改/etc/systemd/journald.conf,将缓冲区大小改成8M</p><p></p><p>3、在后台起30个进程(进程名需超过16个字节,如print_more_processer_arm11111111112 打印日志</p><p></p><p>4、执行while true;do journalctl --rotate;done轮转journal日志</p><p></p><p>5、查看rsyslog是否发生coredump</p><p></p><p> 【结果输出】:</p><p></p><p>生成8个coredump</p><p></p><p> 【预期输出】:</p><p></p><p>不生成coredump</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></p><p></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>有效问题:已给上游社区提交issue: https://github.com/systemd/systemd/issues/35229</p><p></p><p>由于转储日志的数量有关系,转储日志少的话rsyslog还没来得及处理日志就被下一次转储的给覆盖掉了,导致在读的数据被覆盖。</p><p></p><p></p><p></p><p></p> **二、缺陷分析结构反馈** 影响性分析说明: 缺陷严重等级:(Critical/High/Moderate/Low) 缺陷根因说明: 受影响版本排查(受影响/不受影响): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS openEuler-24.03-LTS-SP1 修复是否涉及abi变化(是/否): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS openEuler-24.03-LTS-SP1
<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>master、oe-2403</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>功能测试</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>1、配置可收集到rsyslog生成的coredump文件</p><p></p><p>2、修改/etc/systemd/journald.conf,将缓冲区大小改成8M</p><p></p><p>3、在后台起30个进程(进程名需超过16个字节,如print_more_processer_arm11111111112 打印日志</p><p></p><p>4、执行while true;do journalctl --rotate;done轮转journal日志</p><p></p><p>5、查看rsyslog是否发生coredump</p><p></p><p> 【结果输出】:</p><p></p><p>生成8个coredump</p><p></p><p> 【预期输出】:</p><p></p><p>不生成coredump</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></p><p></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>有效问题:已给上游社区提交issue: https://github.com/systemd/systemd/issues/35229</p><p></p><p>由于转储日志的数量有关系,转储日志少的话rsyslog还没来得及处理日志就被下一次转储的给覆盖掉了,导致在读的数据被覆盖。</p><p></p><p></p><p></p><p></p> **二、缺陷分析结构反馈** 影响性分析说明: 缺陷严重等级:(Critical/High/Moderate/Low) 缺陷根因说明: 受影响版本排查(受影响/不受影响): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS openEuler-24.03-LTS-SP1 修复是否涉及abi变化(是/否): openEuler-20.03-LTS-SP4 openEuler-22.03-LTS-SP1 openEuler-22.03-LTS-SP3 openEuler-22.03-LTS-SP4 openEuler-24.03-LTS openEuler-24.03-LTS-SP1
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