Fishnet

Fishnet is an Android library that dumps Java, native and ANR crashes. The format of the log file is almost the same as the one generated by Android.

Compatibility

• Android: 6.0 and above
• Architectures: arm64-v8a, armeabi-v7a, x86, x86_64
• Log types: Java, Native, ANR

Additional abort message detection

• FORTIFY
• fdsan (Android 10+)
• Scudo error (Android 11+)
• GWP-ASan (Android 14 +)
• MTE (Android 14 QPR3 +)

Installation

In build.gradle.kts, add

implementation("io.github.kyant0:fishnet:<version>")

Usage

In the Application class, add the following code,

import com.kyant.fishnet.Fishnet

class App : Application() {
    override fun onCreate() {
        super.onCreate()
        val logPath = File(filesDir, "logs").apply { mkdirs() }.absolutePath
        Fishnet.init(this, logPath)
    }
}

Run application and make a testing crash, the log file will be generated in the path you specified.

Demo

See the app module, the pre-built APK can be found in the GitHub releases.

Build

Clone the repository

git clone https://github.com/Kyant0/Fishnet.git
cd Fishnet
git submodule init
git submodule update
git apply fishnet_external.patch