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A kernel module to provide /system/xbin/su to Android Kernel (especially to WSA)

WSA-Kernel-SU Intro This is a kernel module to provide /system/xbin/su to Android Kernel (especially to WSA). Only works on 4.17+ kernel. For older ke
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Category: C/C++ / Miscellaneous
Watchers: 2
Star: 15
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Last update: Oct 23, 2021
Resource links
https://github.com/LSPosed/WSA-Kernel-SU

WSA-Kernel-SU

Intro

This is a kernel module to provide /system/xbin/su to Android Kernel (especially to WSA).

Only works on 4.17+ kernel. For older kernel, you can refer to the origin repo.

How it works

  • Replace syscall newfstatat, faccessat and execve on /system/xbin/su to /system/bin/sh
  • When execve on /system/xbin/su, change SELinux to permissive, set all kinds of uids and gids to 0 and permit all capabilities.

Improvement

  • Instead of setting SELinux to permissive, we should set the target process to a permissive context
  • Instead of allowing all to access and execute /system/xbin/su, we should allow only permitive uid or gid.

License

GPLv2

Credits

Jason A. Donenfeld for the original implementation

0 Open More issues
Closed

并入wsa kernel驱动内后编译出x86的kernel替换到wsa无法启动

null

opened Oct 25, 2021 by RimuruChan 1
Closed

Typo fix

Typo fix in readme

opened Nov 2, 2021 by nyakze 0
Open

[Request] Guide on how to build the kernel locally?

Hi I am curious as to how you build this kernel from normal WSA kernel? Is there any guide that I can follow?

Thank you for your work.

opened Mar 27, 2022 by pagkly 1

Contents

    KiruyaMomochi Build WSA Kernel with Docker
    alesimula A GUI package manager and package installer for Windows Subsystem for Android (WSA)
    LSPosed Integrate Magisk into WSA (Windows Subsystem for Android)
    josehu07 The Rux x86_64 Toy Operating System Kernel (a Rust port of Hux, WIP)
    Mic92 Linux kernel module written in Zig
    spytheman An example of writing an external, simple Linux kernel module, in V.
    hypriot Build a Linux kernel for Raspberry Pi 0/1/2/3/3B+
    JovianML Run any Jupyter notebook instantly using Kaggle kernels
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    Cr4sh A library to develop kernel level Windows payloads for post HVCI era
    rlowrance kernel smoothers in lua
    s-matyukevich Learning operating system development using Linux kernel and Raspberry Pi
    apple The Darwin Kernel (mirror)
    sysprog21 The Linux Kernel Module Programming Guide (updated for 5.x kernels)
    strazzere Android Loadable Kernel Modules - mostly used for reversing and debugging on controlled systems/emulators
    shulieTech Takin is an Java-based, open-source system designed to measure online environmental performance test for full-links, Especially for microservices.
    skydoves 🎞 MovieCompose is a small demo application based on modern Android tech-stacks especially focus on Jetpack Compose UI
    gnif Linux kernel vendor specific hardware reset module for sequences that are too complex/complicated to land in pci_quirks.c
    Narasimha1997 A minimal rust kernel and a bunch of configuration scripts that can be used to bootstrap Operating system development using Nightly-Rust compiler.
    MotorolaMobilityLLC Linux Kernel for Motorola devices using MSM-based chipset
    google syzkaller is an unsupervised coverage-guided kernel fuzzer
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