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[jni] Fix possible receiver NPEs - #3784
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liamappelbe
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November 6, 2026 06:12
dcharkes
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Nov 6, 2026
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Revisions updated by `dart tools/rev_sdk_deps.dart`. core (https://github.com/dart-lang/core/compare/36f57a9..fa0c6b7): fa0c6b77 Fri Nov 6 12:56:58 2026 +0100 Michael Thomsen Release os_detect 2.0.4 (dart-lang/core#1038) dartdoc (https://github.com/dart-lang/dartdoc/compare/03ec6df..7e2508c): 7e2508c6 Wed Nov 11 14:52:22 2026 +0200 Sergey G. Grekhov Add constructor doc comment tests for enums and extension types (dart-lang/dartdoc#4316) 03dfb467 Mon Nov 9 11:00:32 2026 +0200 Sergey G. Grekhov `#3330`. Split test for parameters to separate tests (dart-lang/dartdoc#4314) 23302d53 Mon Nov 9 10:56:34 2026 +0200 Sergey G. Grekhov Add tests for primary constructors (dart-lang/dartdoc#4313) ecosystem (https://github.com/dart-lang/ecosystem/compare/54e1673..1d2b5ff): 1d2b5ff Tue Nov 10 09:04:24 2026 -0800 Kevin Moore feat(repo_manage): add --replace-pattern to report changelog (dart-lang/ecosystem#482) http (https://github.com/dart-lang/http/compare/4646fe6..2bac218): 2bac218 Fri Nov 6 17:49:23 2026 -0800 dart-ecosystem-bot[bot] Tidy: package:cronet_http cdf967c Fri Nov 6 15:40:49 2026 -0800 Brian Quinlan chore(groundkeeper): use stable for flutter (dart-lang/http#2066) 6582177 Thu Nov 5 13:04:35 2026 -0800 Brian Quinlan doc: use timeout as an abort example (dart-lang/http#2062) native (https://github.com/dart-lang/native/compare/6287745..b21ef2d): b21ef2da3 Wed Nov 11 16:07:34 2026 +0530 dhairya05 [json_syntax_generator] Pass the parameter name to ArgumentError.value (dart-lang/native#3787) 20a607e48 Wed Nov 11 07:28:03 2026 -0300 Daco Harkes [code_assets] [hooks] [hooks_runner] Adopt `.g.dart` for generated files (dart-lang/native#3790) cc974ddec Wed Nov 11 19:59:39 2026 +1100 Liam Appelbe [objective_c] Fix `isValidObject` bug on iOS simulator (dart-lang/native#3788) f7edbdee3 Sun Nov 8 13:18:25 2026 +1100 Liam Appelbe [jni] Fix possible receiver NPEs (dart-lang/native#3784) 0ca7d6745 Fri Nov 6 10:20:21 2026 -0300 Daco Harkes [code_assets] [hooks_runner] [native_toolchain_c] Prepare for release (dart-lang/native#3781) baad15ab4 Fri Nov 6 02:56:52 2026 +0100 Kravchenko Igor [objective_c] Link Foundation in the native support library (dart-lang/native#3782) shelf (https://github.com/dart-lang/shelf/compare/9946de5..b175e9f): b175e9f Tue Nov 10 09:14:31 2026 +0530 Muhammad Uvesh shelf_static: ignore invalid If-Modified-Since headers (dart-lang/shelf#557) 02b5f94 Sat Nov 7 23:09:28 2026 +0530 dhairya05 Fix typo in shelf_router docs (dart-lang/shelf#556) test (https://github.com/dart-lang/test/compare/2a9e017..3533ae1): 3533ae1e Tue Nov 10 15:06:08 2026 -0800 Nate Bosch Never retry tearDownAll (dart-lang/test#2815) 5680b0b1 Fri Nov 6 12:52:11 2026 +0100 Sigurd Meldgaard Add globalSetup and addGlobalTearDown APIs for cross-suite setup and teardown (dart-lang/test#2714) b8dc888a Thu Nov 5 18:11:37 2026 -0800 Nate Bosch [checks_codegen] Skip private fields and fields referencing private types (dart-lang/test#2782) 66e062c4 Thu Nov 5 16:05:36 2026 -0800 Nate Bosch [checks_codegen] Generate full field types with imports (dart-lang/test#2781) tools (https://github.com/dart-lang/tools/compare/727fd9c..589d844): 589d844c4 Wed Nov 11 20:27:32 2026 +0300 Hasan Armoush fix(markdown): combine adjacent Text nodes when the element is last in its list (dart-lang/tools#2598) Change-Id: I13acaa7378c86f2c33d88f3c4b163acf2b48ff08 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/576820 Commit-Queue: Nate Bosch <[email protected]> Reviewed-by: Nicholas Shahan <[email protected]>
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There are cases where some Java runtimes (notably ART) doesn't safely handle null pointers, crashing instead of throwing a NPE. The main case we're trying to fix is receiver objects.
.nonNullPointergetter toJReference, which checks that the pointer is not null..nonNullPointerinstead of.pointerwhenever we're getting a pointer to be used as the receiver object. Do this throughout JNI and in JNIgen's dart_generator.dart@NonNull), because that's redundant with checks done inside Java, which throw a NPE instead of crashing.Gemini also found and fixed some other possible NPEs, but these are unlikely to be related to the reported bug:
DefineClass,FindClass,GetSuperclassJni.throwExceptionJGlobalReference's constructorGetExceptionDetailsin dartjni.cto_global_refin dartjni.hFixes b/578950407