libgojni.so MTE crash (memory unsafe code)

[bedair81]

libgojni.so MTE crash (memory unsafe code)

[github-actions]

⚠️	Missing Reproducible Example
ℹ️	We could not detect a reproducible example in your issue report. Please provide either: If your bug is UI related: a Snack If your bug is build/update related: use our Reproducer Template. A reproducer needs to be in a GitHub repository under your username.

[bedair81]

not really sure how i can use the shared library in a template, the issue itself is reproducible 100% of the time following my steps above

[cortinico]

When enabling MTE on a react native app

What is MTE?

[bedair81]

When enabling MTE on a react native app

What is MTE?

Memory Tagging Extensions, its a new hardware feature that allows the debugging of memory unsafe code. Please see:
https://source.android.com/docs/security/test/memory-safety/arm-mte
https://newsroom.arm.com/blog/memory-safety-arm-memory-tagging-extension
for an in depth explanation :)

[cortinico]

libgojni.so

FYI, React Native doesn't produce this dynamic library.

@bedair81 could you provide a repro

1. using this template https://github.com/new?template_name=reproducer-react-native&template_owner=react-native-community
2. enabling the MTE as suggested by the Android documentation
3. reproduce the crash