> For the complete documentation index, see [llms.txt](https://calvin-lai.gitbook.io/calvin-lai-security/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://calvin-lai.gitbook.io/calvin-lai-security/ctf-writeup/pwnable/01-start.md).

# 01 Start

![](https://1020855008-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MHdTwldplFku-IlYazS%2Fuploads%2FfWsCt2c3IjFGsZLBZxtS%2Fimage.png?alt=media\&token=027e856d-80ac-4cca-8786-f8d7b779c705)
