在 Go 中丢弃特权
本文探讨了在 Go 语言中安全地丢弃进程特权的实现方法。作者分析了使用 syscall.Setuid 和 syscall.Setgroups 等系统调用的陷阱与正确做法，介绍了在 Linux 上通过 Credential 结构体或手动调用系统调用来降权的最佳实践，并讨论了 Go 运行时与用户/组 ID 变更之间的交互问题。
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