Fishnet

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

Compatibility

• Architectures: arm64-v8a, armeabi-v7a, x86, x86_64, risc-v64
• Android: 5.0 and above
• Log types: Native, Java, ANR

Additional abort message detection

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

Usage

1. Download the aar and include it in your project.

2. In your Application class, add the following code,

import com.kyant.fishnet.Fishnet

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

3. 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.

Example logs

TBD

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

Submodule maintain info

Repository	Link	Update time
art	art	2024 Nov 25 21:04:05
	libartbase	2024 Nov 22 16:37:17
	libartpalette	2024 Aug 29 12:15:41
	libdexfile	2024 Nov 18 10:53:22
system/libbase	system/libbase	2024 Nov 07 20:40:11
system/libprocinfo	system/libprocinfo	2024 Aug 14 22:08:40
system/libziparchive	system/libziparchive	2024 Jun 04 23:06:47
system/logging	system/logging	2024 Sep 16 16:54:16
	liblog	2024 Sep 11 14:28:59
system/unwinding	system/unwinding	2024 Sep 12 14:09:02 -0700
	libunwindstack	2024 Sep 12 14:09:02 -0700
external/lzma	external/lzma	2024 Sep 09 13:20:46
external/zstd	external/zstd	2024 Jul 11 02:24:39