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执行nvme format时发生seg fault
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#ICYHT6
Bug
wangzhiqiang
Opened this issue
2025-09-17 18:09
**【缺陷描述】:请补充详细的缺陷问题现象描述** **一、缺陷信息** **【缺陷所属的os版本】(如openEuler-22.03-LTS,参考命令"cat /etc/os-release"结果)** openEuler-24.03-LTS-SP1 **【内核版本】(如kernel-5.10.0-60.138.0.165,参考命令"uname -r"结果)** **【缺陷所属软件及版本号】(如kernel-5.10.0-60.138.0.165,参考命令"rpm -q 包名"结果)** **【环境信息】** 硬件信息 - 提供跟硬件相关的信息,如架构、cpu和内存规格等 - 虚拟机场景,额外补充宿主机os版本类型 软件信息 - 跟缺陷所属软件相关的其它软件版本信息(如软件包构建失败由gcc引起,请填写gcc的版本号) 网络信息 - 如果有特殊组网,请提供网络拓扑信息以及网络数据走向 **【问题复现步骤】:请描述具体的操作步骤** nvme format /dev/ -f **【实际结果】**,请描述出问题的结果和影响 程序segfault **【期望结果】**,请描述出期望的结果和影响 正常返回错误,无segfault **【其他相关附件信息】** 比如系统message日志/组件日志、dump信息、图片等   **【缺陷详情及分析指导参考链接】** 社区已修复 https://github.com/linux-nvme/nvme-cli/commit/fbb331106339de6c92ba520f1757a80802ab95e9 **二、缺陷分析结构反馈** 影响性分析说明: 当给定的设备不是字符/块设备会触发分段错误。 缺陷严重等级:(Critical/High/Moderate/Low) Low 缺陷根因说明: open_dev_direct()中设置err=-ENODEV,dev_fd()的调用者继续访问nvme_dev(nvme_dev会返回NULL),引发segfault,通过将errno设置为ENODEV,并将err设置为-1,然后再返回到dev_fd()。这样可以确保在发生错误时,dev_fd()会将正确的负错误代码返回给其调用者。dev_fd()的调用者就可以正确处理错误。 受影响版本排查(受影响/不受影响): openEuler-20.03-LTS-SP4:不受影响 openEuler-22.03-LTS-SP3:不受影响 openEuler-22.03-LTS-SP4:不受影响 openEuler-24.03-LTS:受影响 openEuler-24.03-LTS-SP1:受影响 openEuler-24.03-LTS-SP2:受影响 修复是否涉及abi变化(是/否): openEuler-20.03-LTS-SP4:否 openEuler-22.03-LTS-SP3:否 openEuler-22.03-LTS-SP4:否 openEuler-24.03-LTS:否 openEuler-24.03-LTS-SP1:否 openEuler-24.03-LTS-SP2:否
**【缺陷描述】:请补充详细的缺陷问题现象描述** **一、缺陷信息** **【缺陷所属的os版本】(如openEuler-22.03-LTS,参考命令"cat /etc/os-release"结果)** openEuler-24.03-LTS-SP1 **【内核版本】(如kernel-5.10.0-60.138.0.165,参考命令"uname -r"结果)** **【缺陷所属软件及版本号】(如kernel-5.10.0-60.138.0.165,参考命令"rpm -q 包名"结果)** **【环境信息】** 硬件信息 - 提供跟硬件相关的信息,如架构、cpu和内存规格等 - 虚拟机场景,额外补充宿主机os版本类型 软件信息 - 跟缺陷所属软件相关的其它软件版本信息(如软件包构建失败由gcc引起,请填写gcc的版本号) 网络信息 - 如果有特殊组网,请提供网络拓扑信息以及网络数据走向 **【问题复现步骤】:请描述具体的操作步骤** nvme format /dev/ -f **【实际结果】**,请描述出问题的结果和影响 程序segfault **【期望结果】**,请描述出期望的结果和影响 正常返回错误,无segfault **【其他相关附件信息】** 比如系统message日志/组件日志、dump信息、图片等   **【缺陷详情及分析指导参考链接】** 社区已修复 https://github.com/linux-nvme/nvme-cli/commit/fbb331106339de6c92ba520f1757a80802ab95e9 **二、缺陷分析结构反馈** 影响性分析说明: 当给定的设备不是字符/块设备会触发分段错误。 缺陷严重等级:(Critical/High/Moderate/Low) Low 缺陷根因说明: open_dev_direct()中设置err=-ENODEV,dev_fd()的调用者继续访问nvme_dev(nvme_dev会返回NULL),引发segfault,通过将errno设置为ENODEV,并将err设置为-1,然后再返回到dev_fd()。这样可以确保在发生错误时,dev_fd()会将正确的负错误代码返回给其调用者。dev_fd()的调用者就可以正确处理错误。 受影响版本排查(受影响/不受影响): openEuler-20.03-LTS-SP4:不受影响 openEuler-22.03-LTS-SP3:不受影响 openEuler-22.03-LTS-SP4:不受影响 openEuler-24.03-LTS:受影响 openEuler-24.03-LTS-SP1:受影响 openEuler-24.03-LTS-SP2:受影响 修复是否涉及abi变化(是/否): openEuler-20.03-LTS-SP4:否 openEuler-22.03-LTS-SP3:否 openEuler-22.03-LTS-SP4:否 openEuler-24.03-LTS:否 openEuler-24.03-LTS-SP1:否 openEuler-24.03-LTS-SP2:否
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master
openEuler-24.03-LTS
openEuler-24.03-LTS-Next
openEuler-24.03-LTS-SP3
openEuler-24.03-LTS-SP1
openEuler-24.03-LTS-SP2
openEuler-25.09
openEuler-24.09
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openEuler-23.03
openEuler-23.09
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openEuler-22.03-LTS
openEuler-22.03-LTS-Next
openEuler-22.03-LTS-SP1
openEuler-22.03-LTS-SP2
openEuler-22.03-LTS-SP3
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openEuler-20.03-LTS-SP2
openEuler-20.09
openEuler-21.03
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openEuler-24.03-LTS-update-20251011
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openEuler-24.03-LTS-SP2-release
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