FileInfo can escape from a Root in os

On Unix platforms, when listing the contents of a directory using File.ReadDir or File.Readdir the returned FileInfo could reference a file outside of the Root in which the File was opened. The impact of this escape is limited to reading metadata provided by lstat from arbitrary locations on the filesystem without permitting reading or writing files outside the root.

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Google Go 安全漏洞

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于在Unix平台上使用File.ReadDir或File.Readdir列出目录内容时，返回的FileInfo可能引用Root之外的文件，可能导致从文件系统任意位置读取元数据。

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