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DOCKER.md

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Running difuze from docker

The docker images machiry/difuzecommon and machiry/difuze60 (for LLVM 6.0) contains the difuze sources (at /difuze/repo) along with all the dependencies installed.

Install Docker

sudo apt-get install -y docker.io

Running the docker image

docker run -i -t --privileged -v /dev/bus/usb:/dev/bus/usb machiry/difuzecommon /bin/bash

You need to give access to the usb devices to allow adb (from the docker container) to access the phone connected to the host machine.

Using the docker image

Building a kernel

  1. Mount the kernel folder while running docker using -v command; do git pull and build all the sources.
docker run -i -t --privileged -v /dev/bus/usb:/dev/bus/usb machiry/difuzecommon -v <path_on_host_machine>:<path_in_docker> /bin/bash

// inside the docker container
// Install Bear
# cd /
# git clone https://github.com/Machiry/Bear.git
# cd Bear
# cmake .
# make install

// Get the latest difuze
# cd /difuze/repo
# git pull
# cd InterfaceHandlers
# ./build.sh

Example:

docker run -i -t --privileged -v /dev/bus/usb:/dev/bus/usb machiry/difuzecommon -v /home/difuze/kernels/msm:/androidkernels/msmkernel /bin/bash
  1. Create compile_commands.json:

Configure the kernel with the desired config and while running make use following command:

$ cd /androidkernels/msmkernel
$ export CROSS_COMPILE=aarch64-linux-android-
$ bear make O=out ARCH=arm64 -j8

This will create compile_commands.json.

  1. Running interface recovery: Follow steps 1.3.2 (An example can be found at 1.4.2) Note: Make sure that you browse to /difuze/repo inside the docker image before running the above commands.
  2. Run the post processing and the fuzzer.