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---
status: translating
status: translated
title: "How to contribute to syzkaller"
author: Syzkaller Community
collector: jxlpzqc
collected_date: 20240314
translator: QGrain
translated_date: 20240712
link: https://github.com/google/syzkaller/blob/master/docs/contributing.md
---

# How to contribute to syzkaller
# 如何向 syzkaller 项目贡献

If you want to contribute to the project, feel free to send a pull request following the [guidelines](contributing.md#guidelines) below.
如果你想为该项目做出贡献,请按照下面的[指南](contributing.md#guidelines)发送拉取请求。

In case this is your first pull request to syzkaller, you will need to [sign Google CLA](https://cla.developers.google.com/)
and add yourself to [AUTHORS](/AUTHORS)/[CONTRIBUTORS](/CONTRIBUTORS) files in the first commit.
如果这是你第一次向 syzkaller 提交拉取请求,你需要[签署 Google CLA](https://cla.developers.google.com/)
并在第一次提交时将自己添加到 [AUTHORS](/AUTHORS)/[CONTRIBUTORS](/CONTRIBUTORS) 文件中。

## What to work on
## 工作内容

Extending/improving [system call descriptions](syscall_descriptions.md) is always a good idea.
扩展/改进 [系统调用描述](syscall_descriptions.md) 一直是个好主意。

Unassigned issues from the [bug tracker](https://github.com/google/syzkaller/issues) are worth doing, but some of them might be complicated.
[错误跟踪器](https://github.com/google/syzkaller/issues) 中未分配的议题是值得去做的,但其中有些议题可能比较复杂。

To contribute code or syscall descriptions, at the very least you need to be able to build and run syzkaller, see the instructions [here](/docs/setup.md).
要贡献代码或系统调用描述,至少需要能够构建并运行 syzkaller,请参阅[此处](/docs/setup.md)的说明。

## Guidelines
## 指南

If you want to work on something non-trivial, please briefly describe it on the
[[email protected]](https://groups.google.com/forum/#!forum/syzkaller) mailing list first,
so that there is an agreement on the high level approach/design and no duplication of work between contributors.
如果您想做一些并不微小的事情,请先在 [[email protected]](https://groups.google.com/forum/#!forum/syzkaller) 邮件列表上简要描述,以便在高层面的方法/设计上达成一致,且避免贡献者之间的重复工作。

Split large changes into smaller, logically cohesive commits. Small commits are much easier and faster to review and iterate on.
将大改动拆分成逻辑上连贯的小提交。小的提交更容易、更快地进行审核和迭代。

Everything that can be reasonably tested should be tested.
所有可以合理测试的内容都应进行测试。

Provide enough documentation for other users to use the new feature.
为了其他用户能方便地使用新特性,请提供足够的文档说明。

Keep the style of the code, tests, comments, docs, log/error messages consistent with the existing style.
保持代码、测试、注释、文档、日志/错误信息的风格与现有风格一致。

Continuous Integration (CI) system runs a number of tests and some [opinionated] style checks. They need to pass.
You can test locally with `make presubmit`, if you don't have some prerequisites installed,
you may use `syz-env` (see below).
持续集成(CI)系统会运行大量测试和一些 [意见] 式检查。它们需要通过。你可以使用 `make presubmit` 进行本地测试,如果没有安装某些先决条件,你可以尝试使用 `syz-env` (见下文)。

### Commits
### 提交

Commit messages should follow the following template:
提交信息应遵循以下模板:

```
dir/path: one-line description
<empty line>
Extended multi-line description that includes
the problem you are solving and how it is solved.
dir/path: 单行描述
<空行>
扩展的多行描述,包括
您要解决的问题以及如何解决问题。
```

`dir/path` is a relative path to the main dir this commit changes
(look at examples in the [commit history](https://github.com/google/syzkaller/commits/master)).
If several packages/dirs are significantly affected, then the following format is allowed:
`dir/path` 是本次提交更改的主目录的相对路径。(参见 [commit history](https://github.com/google/syzkaller/commits/master) 中的示例)。如果多个软件包/目录发生重大改动,则允许使用以下格式:
```
dir1/path1, dir2/path2: one-line description
dir1/path1, dir2/path2: 单行描述
```
Though, dirs should not be included if they have only minor changes.
For pervasive changes the following format is allowed:
不过,如果目录仅有细微改动,则不应包括在内。
对于普遍的更改,可以使用以下格式:
```
all: one-line description
all: 单行描述
```

Please pay attention to punctuation. In particular:
请注意标点符号,特别是:

- `one-line description` should *not* start with a Capital letter.
- There is *no dot* at the end of `one-line description`.
- `Extended multi-line description` is full English sentences with Capital letters and dots.
- `单行描述` **应该以大写字母开头。
- `单行描述` 末尾*没有点*
- `扩展的多行描述` 是带有大写字母和圆点的全英文句子。

Commit message line length is limited to 120 characters.
提交信息行长度限制为 120 个字符。

Also:
还有:

- If your commit fixes an issue, please include `Fixes #NNN` line into commit message
(where `NNN` is the issue number). This will auto-close the issue. If you need to mention
an issue without closing it, add `Update #NNN`.
- For syscall descriptions `*.const` files are checked-in with the `*.txt` changes
in the same commit.
- 如果您的提交修复了一个议题,请在提交信息中加入 `Fixes #NNN` 行(其中 `NNN` 是议题编号)。这将自动关闭议题。如果您需要提及议题,请添加 `Update #NNN`
- 对于系统调用描述,`*.const` 文件应该与 `*.txt` 的更改在同一提交中签入。

### Pull requests
### 拉取请求

- Rebase your working branch onto the master branch before sending a pull request to avoid merge conflicts.
- Run `make presubmit` and ensure that it passes before sending a PR.
It may require some additional packages to be installed (try `sudo make install_prerequisites`).
- Provide a brief high-level description in the pull request title.
The pull request text is mostly irrelevant, all the details should be in the commit messages.
- If you're asked to add some fixes to your pull request, please squash the fixes into the old commits.

### How to create a pull request on Github
- 在发送拉取请求前,将你的工作分支变基到主分支以避免合并冲突。
- 运行 `make presubmit` 并确保通过后再发送 PR。
可能需要安装一些额外的软件包(请尝试 `sudo make install_prerequisites`)。
- 在拉取请求标题中提供简短的高级描述。
拉取请求文本大多无关紧要,所有细节都应在提交信息中说明。
- 如果您被要求在拉取请求中添加一些修正,请将修正压入旧提交中。

- First, you need an own git fork of syzkaller repository. Navigate to
[github.com/google/syzkaller](https://github.com/google/syzkaller) and press `Fork` button in the top-right corner of
the page. This will create `https://github.com/YOUR_GITHUB_USERNAME/syzkaller` repository.
### 如何在 Github 上创建一个拉取请求

- Checkout main syzkaller repository if you have not already. The simplest way to do it is to run `git clone https://github.com/google/syzkaller`, this will checkout
the repository in the current working directory.
- Remember to `export PATH=$GOPATH/bin:$PATH` if you have not already.
- Then add your repository as an additional origin:
- 首先,您需要一个自己的 syzkaller 仓库的 git fork。导航到 [github.com/google/syzkaller](https://github.com/google/syzkaller),然后点击页面右上角的 "Fork "按钮。这将创建 `https://github.com/YOUR_GITHUB_USERNAME/syzkaller` 仓库。

- 请切换到 syzkaller 主版本库,如果尚未进行这一步。最简单的方法是运行 `git clone https://github.com/google/syzkaller`,这将在当前工作目录中切换到该仓库。
- 请记得 `export PATH=$GOPATH/bin:$PATH`,如果尚未导出 PATH 到环境变量。
- 然后将您的仓库添加为附加源:

```shell
cd syzkaller
Expand All @@ -107,55 +97,48 @@ the repository in the current working directory.
git checkout -b my-branch my-origin/master
```

This adds git origin `my-origin` with your repository and checks out new branch `my-branch` based on `master` branch.
这会将您的仓库添加到 git origin `my-origin`,并基于 `master` 分支创建并切换新的分支 `my-branch`

- Change/add files as necessary.
- Commit changes locally. For this you need to run `git add` for all changed files, e.g. `git add sys/linux/sys.txt`. You can run `git status` to see what files were changed/created. When all files are added (`git status` shows no files in `Changes not staged for commit` section and no relevant files in `Untracked files` section), run `git commit` and enter commit description in your editor.
- Run tests locally (`make install_prerequisites` followed by `make presubmit`).
- Push the commit to your fork on github with `git push my-origin my-branch`.
- Navigate to [github.com/google/syzkaller](https://github.com/google/syzkaller) and you should see green `Compare & pull request` button, press it. Then press `Create pull request`. Now your pull request should show up on [pull requests page](https://github.com/google/syzkaller/pulls).
- If you don't see `Create pull request` button for any reason, you can create pull request manually. For that navigate to [pull requests page](https://github.com/google/syzkaller/pulls), press `New pull request`, then `compare across forks` and choose `google/syzkaller`/`master` as base and `YOUR_GITHUB_USERNAME/syzkaller`/`my-branch` as compare and press `Create pull request`.
- If you decided to rebase commits in `my-branch` (e.g. to rebase them onto updated master) after you created a pull-request, you will need to do a force push: `git push -f my-origin my-branch`.
- 根据需要更改/添加文件。
- 将更改提交到本地。为此,你需要对所有更改的文件运行 `git add`,例如 `git add sys/linux/sys.txt`。你可以运行 `git status` 查看有哪些文件被修改/创建。当所有文件都添加完毕后(`git status` 显示 `Changes not staged for commit` 部分没有文件,并且 `Untracked files` 部分没有相关文件),运行 `git commit` 并在你的编辑器中输入提交描述。
- 在本地运行测试(`make install_prerequisites`,然后执行 `make presubmit`)。
- 使用 `git push my-origin my-branch` 将提交推送到 github 上的分叉。
- 导航至 [github.com/google/syzkaller](https://github.com/google/syzkaller),你会看到绿色的 `比较 & 拉取请求` 按钮,按下它。然后按 `创建拉取请求`。现在你的拉取请求应该会出现在[拉取请求页面](https://github.com/google/syzkaller/pulls)上。
- 如果你由于任何原因看不到 `创建拉取请求` 按钮,你可以手动创建拉取请求。为此,请导航至[拉取请求页面](https://github.com/google/syzkaller/pulls),按下 `新的拉取请求`,然后按下 `横叉比较` 并选择 `google/syzkaller`/`master` 作为基础,选择 `YOUR_GITHUB_USERNAME/syzkaller`/`my-branch` 作为比较,然后按下 `创建拉取请求`
- 如果在创建了拉取请求后,你决定对 `my-branch` 中的提交进行变基(例如,将它们变基到更新的 master 上),则需要执行一次强制推送:`git push -f my-origin my-branch`

### Using syz-env
### 使用 syz-env

Developing syzkaller requires a number of tools installed (Go toolchain, C/C++ cross-compilers, golangci-lint, etc).
Installing all of them may be cumbersome, e.g. due broken/missing packages.
[syz-env](/tools/syz-env) provides a working hermetic development environment based on a Docker container.
If you don't yet have Docker installed, see [documentation](https://docs.docker.com/engine/install),
in particular regarding enabling [sudo-less](https://docs.docker.com/engine/install/linux-postinstall)
Docker (Googlers see go/docker).
开发 syzkaller 需要安装大量工具(Go 工具链、C/C++ 交叉编译器、golangci-lint 等)。安装所有这些工具可能会很麻烦,例如由于软件包损坏/缺失。[syz-env](/tools/syz-env) 提供了一个基于 Docker 容器的密封开发环境。如果尚未安装 Docker,请参阅[文档](https://docs.docker.com/engine/install),特别是关于启用 [sudo-less](https://docs.docker.com/engine/install/linux-postinstall) 的 Docker(Googlers 参见 go/docker)。

It's recommended to create an alias for `syz-env` script:
建议为 `syz-env` 脚本创建别名:
```
alias syz-env="$(go env GOPATH)/src/github.com/google/syzkaller/tools/syz-env"
```
Then it can be used to wrap almost any make invocation as:
然后,几乎所有的 make 调用都可以用它来封装:
```
syz-env make format
syz-env make presubmit
syz-env make extract SOURCEDIR=$(readlink -f ~/linux)
```
Or other commands/scripts, e.g.:
或其他命令/脚本,例如:
```
syz-env go test -short ./pkg/csource
```
Or you may run the shell inside of the container with just `syz-env` and look around.
或者,你也可以只使用 `syz-env` 来在容器内运行 shell 并进行查看。

To update `syz-env` container to the latest version do:
要将 `syz-env` 容器更新到最新版本,请执行以下操作:

``` bash
docker pull gcr.io/syzkaller/env
```

If you do not have access to the `gcr.io` registry, there is also a mirror in `docker.pkg.github.com` registry.
In order to use it, you need to
[authenticate Docker](https://docs.github.com/en/packages/using-github-packages-with-your-projects-ecosystem/configuring-docker-for-use-with-github-packages)
with your Github account with:
如果你无法访问 `gcr.io` 登记处,在 `docker.pkg.github.com` 登记处中也有一个镜像。要使用它,你需要使用你的 Github 账户来[验证 Docker](https://docs.github.com/en/packages/using-github-packages-with-your-projects-ecosystem/configuring-docker-for-use-with-github-packages)

```
docker login https://docker.pkg.github.com
```
and then pull the image and retag it to the name expacted by `syz-env`:
然后拉取镜像,并将其重新标记为 `syz-env` 所期望的名称:
```
docker pull docker.pkg.github.com/google/syzkaller/env
docker tag docker.pkg.github.com/google/syzkaller/env gcr.io/syzkaller/env
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