dart-lang / dart-lang/native

FFI lookupFunction causes stack overflow

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#929 2 comments 1 reaction 0 assignees View on GitHub
package:ffi
Dominant language
Dart
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275
Forks
144
Avg merge
2d 10h
Merged PRs (30d)
47

Description

I posted the issue on the flutter git thinking it was part of the flutter project.

https://github.com/flutter/flutter/issues/136353

### Log
This is the lock from a dev working with me on the project in case mine was corrupted.

Logs

```console
# Generated by pub
# See https://dart.dev/tools/pub/glossary#lockfile
packages:
async:
dependency: transitive
description:
name: async
sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
url: "https://pub.dev"
source: hosted
version: "2.11.0"
boolean_selector:
dependency: transitive
description:
name: boolean_selector
sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
url: "https://pub.dev"
source: hosted
version: "2.1.1"
characters:
dependency: transitive
description:
name: characters
sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
url: "https://pub.dev"
source: hosted
version: "1.3.0"
clock:
dependency: transitive
description:
name: clock
sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
url: "https://pub.dev"
source: hosted
version: "1.1.1"
collection:
dependency: transitive
description:
name: collection
sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
url: "https://pub.dev"
source: hosted
version: "1.17.1"
fake_async:
dependency: transitive
description:
name: fake_async
sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
url: "https://pub.dev"
source: hosted
version: "1.3.1"
ffi:
dependency: "direct main"
description:
name: ffi
sha256: "7bf0adc28a23d395f19f3f1eb21dd7cfd1dd9f8e1c50051c069122e6853bc878"
url: "https://pub.dev"
source: hosted
version: "2.1.0"
flutter:
dependency: "direct main"
description: flutter
source: sdk
version: "0.0.0"
flutter_lints:
dependency: "direct dev"
description:
name: flutter_lints
sha256: "2118df84ef0c3ca93f96123a616ae8540879991b8b57af2f81b76a7ada49b2a4"
url: "https://pub.dev"
source: hosted
version: "2.0.2"
flutter_localizations:
dependency: "direct main"
description: flutter
source: sdk
version: "0.0.0"
flutter_test:
dependency: "direct dev"
description: flutter
source: sdk
version: "0.0.0"
intl:
dependency: transitive
description:
name: intl
sha256: a3715e3bc90294e971cb7dc063fbf3cd9ee0ebf8604ffeafabd9e6f16abbdbe6
url: "https://pub.dev"
source: hosted
version: "0.18.0"
js:
dependency: transitive
description:
name: js
sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
url: "https://pub.dev"
source: hosted
version: "0.6.7"
lints:
dependency: transitive
description:
name: lints
sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
url: "https://pub.dev"
source: hosted
version: "2.1.1"
matcher:
dependency: transitive
description:
name: matcher
sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
url: "https://pub.dev"
source: hosted
version: "0.12.15"
material_color_utilities:
dependency: transitive
description:
name: material_color_utilities
sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
url: "https://pub.dev"
source: hosted
version: "0.2.0"
meta:
dependency: transitive
description:
name: meta
sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
url: "https://pub.dev"
source: hosted
version: "1.9.1"
path:
dependency: transitive
description:
name: path
sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
url: "https://pub.dev"
source: hosted
version: "1.8.3"
screen_retriever:
dependency: transitive
description:
name: screen_retriever
sha256: "4931f226ca158123ccd765325e9fbf360bfed0af9b460a10f960f9bb13d58323"
url: "https://pub.dev"
source: hosted
version: "0.1.6"
sky_engine:
dependency: transitive
description: flutter
source: sdk
version: "0.0.99"
source_span:
dependency: transitive
description:
name: source_span
sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
url: "https://pub.dev"
source: hosted
version: "1.9.1"
stack_trace:
dependency: transitive
description:
name: stack_trace
sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
url: "https://pub.dev"
source: hosted
version: "1.11.0"
stream_channel:
dependency: transitive
description:
name: stream_channel
sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
url: "https://pub.dev"
source: hosted
version: "2.1.1"
string_scanner:
dependency: transitive
description:
name: string_scanner
sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
url: "https://pub.dev"
source: hosted
version: "1.2.0"
term_glyph:
dependency: transitive
description:
name: term_glyph
sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
url: "https://pub.dev"
source: hosted
version: "1.2.1"
test_api:
dependency: transitive
description:
name: test_api
sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
url: "https://pub.dev"
source: hosted
version: "0.5.1"
vector_math:
dependency: transitive
description:
name: vector_math
sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
url: "https://pub.dev"
source: hosted
version: "2.1.4"
window_manager:
dependency: "direct main"
description:
name: window_manager
sha256: d812d3189d23465d2e94baa2505a4462b46dde4939012ff370711c6897d747ae
url: "https://pub.dev"
source: hosted
version: "0.2.9"
sdks:
dart: ">=3.0.0 <4.0.0"
flutter: ">=2.5.0"
```

###

Put simply the lookup
```dart
lib.lookupFunction<
Pointer Function(Pointer)>>),
Pointer Function(Pointer)>>)
>('store_dart_post_cobject',);
```

Is no longer working even though no code changed

In rust:
```rust
#[no_mangle]
pub unsafe extern "C" fn store_dart_post_cobject(
ptr: ffi::DartPostCObjectFnType,
) {
POST_COBJECT.store(Some(ptr), Ordering::Relaxed);
}
```

FFI objects at: https://github.com/shekohex/allo-isolate/blob/master/src/ffi.rs

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