回合上游社区补丁,补丁数量：7

<h3>涉及分支:</h3>24.03系列【定位分析】<table ><tr><td colSpan="1" rowSpan="1"> 补丁名称</td><td colSpan="1" rowSpan="1">CommitId</td><td colSpan="1" rowSpan="1">补丁描述分析</td></tr><tr><td colSpan="1" rowSpan="1">backport-segtree-fix-string-data-initialisation.patch</td><td colSpan="1" rowSpan="1">63e3d5953c144abbc4ead2665ad7cec799c4cb64</td><td colSpan="1" rowSpan="1">修复字符串数据初始化时使用错误长度的问题，避免了区间重叠检测错误。</td></tr><tr><td colSpan="1" rowSpan="1">backport-src-netlink-netlink_delinearize_table-may-return-NULL.patch</td><td colSpan="1" rowSpan="1">a69d552a005ba467d37e225032e35d01d9491241</td><td colSpan="1" rowSpan="1">netlink_delinearize_table可能返回NULL，添加检查避免调用者崩溃。</td></tr><tr><td colSpan="1" rowSpan="1">backport-mnl-silence-compiler-warning.patch</td><td colSpan="1" rowSpan="1">cd9f168875aca72caacdcfb552c15b6484a82bd5</td><td colSpan="1" rowSpan="1">01277922的后置补丁，初始化变量&#x60;nest&#x60;，避免gcc-14编译器警告。</td></tr><tr><td colSpan="1" rowSpan="1">backport-src-fix-memory-leak-in-anon-chain-error-handling.patch</td><td colSpan="1" rowSpan="1">f8701ae760c9d188dec3cda92efa61a9c32ac823</td><td colSpan="1" rowSpan="1">修复匿名链错误处理中的内存泄漏问题。</td></tr><tr><td colSpan="1" rowSpan="1">backport-src-ensure-chain-policy-evaluation-when-specified.patch</td><td colSpan="1" rowSpan="1">01277922fede9fef8aacf5cc871bfbd55bbd78ef</td><td colSpan="1" rowSpan="1">确保在指定链策略时评估链优先级，修复了链策略指定时链优先级未评估而引起的crash问题。</td></tr><tr><td colSpan="1" rowSpan="1">backport-evaluate-follow-prefix-expression-recursively-if-needed.patch</td><td colSpan="1" rowSpan="1">353140987c37540ed734f210d95d66b65caa5b47</td><td colSpan="1" rowSpan="1">修复nftables处理前缀表达式时的断言失败问题，确保递归的处理前缀表达式组合。</td></tr><tr><td colSpan="1" rowSpan="1">backport-datatype-Increase-symbolic-constant-printer-robustness.patch</td><td colSpan="1" rowSpan="1">c2905cd4acdbbbacc0ce96c85309aa2c2878aed6</td><td colSpan="1" rowSpan="1">提升符号常量打印器的健壮性，防止传递的符号表为空时发生段错误。</td></tr></table>
**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-SP3
openEuler-22.03-LTS-SP4
openEuler-24.03-LTS
openEuler-24.03-LTS-SP1
openEuler-24.03-LTS-SP2

修复是否涉及abi变化(是/否):
openEuler-20.03-LTS-SP4
openEuler-22.03-LTS-SP3
openEuler-22.03-LTS-SP4
openEuler-24.03-LTS
openEuler-24.03-LTS-SP1
openEuler-24.03-LTS-SP2

src-openEuler/nftables
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