software-mansion / software-mansion/react-native-executorch

Android Emulator Crashes with Custom PTE Model

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community pending response platform: android
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TypeScript
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Description

Description

Hi all!

I want to start by saying thank you for this awesome project. We are using a custom PTE model, which may be the entire issue here. This crash only happens on an Android Emulator (I'm using a M4 Mac), it works properly on real devices and on the iOS simulator.

Android Emulator Info:

Android Version: 16
API Level: 36
Device Model: sdk_gphone64_arm64
Device: emu64a
Build Fingerprint: google/sdk_gphone64_arm64/emu64a:16/BE4B.251210.005/14574095:user/release-keys
CPU ABI: arm64-v8a

ADB Logs:

06-15 15:26:52.395  6132  6209 F libc    : Fatal signal 4 (SIGILL), code 1 (ILL_ILLOPC), fault addr 0x6caa3a1ad0 in tid 6209 (RN_ET_Worker1), pid 6132 (linician.mobile)
06-15 15:26:52.444  6317  6317 I crash_dump64: obtaining output fd from tombstoned, type: kDebuggerdTombstoneProto
06-15 15:26:52.444   330   330 I tombstoned: received crash request for pid 6209
06-15 15:26:52.444  6317  6317 I crash_dump64: performing dump of process 6132 (target tid = 6209)
06-15 15:26:52.592  6317  6317 F DEBUG   : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
06-15 15:26:52.592  6317  6317 F DEBUG   : Build fingerprint: 'google/sdk_gphone64_arm64/emu64a:16/BE4B.251210.005/14574095:user/release-keys'
06-15 15:26:52.592  6317  6317 F DEBUG   : Kernel Release: '6.12.38-android16-5-gbb9513914902-ab13996879-4k'
06-15 15:26:52.592  6317  6317 F DEBUG   : Revision: '0'
06-15 15:26:52.592  6317  6317 F DEBUG   : ABI: 'arm64'
06-15 15:26:52.592  6317  6317 F DEBUG   : Timestamp: 2026-06-15 15:26:52.448627331-0400
06-15 15:26:52.592  6317  6317 F DEBUG   : Process uptime: 25s
06-15 15:26:52.592  6317  6317 F DEBUG   : Executable: /system/bin/app_process64
06-15 15:26:52.592  6317  6317 F DEBUG   : Cmdline: com.company.mobile
06-15 15:26:52.592  6317  6317 F DEBUG   : pid: 6132, tid: 6209, name: RN_ET_Worker1  >>> com.company.mobile <<<
06-15 15:26:52.592  6317  6317 F DEBUG   : uid: 10224
06-15 15:26:52.592  6317  6317 F DEBUG   : tagged_addr_ctrl: 0000000000000001 (PR_TAGGED_ADDR_ENABLE)
06-15 15:26:52.592  6317  6317 F DEBUG   : pac_enabled_keys: 000000000000000f (PR_PAC_APIAKEY, PR_PAC_APIBKEY, PR_PAC_APDAKEY, PR_PAC_APDBKEY)
06-15 15:26:52.592  6317  6317 F DEBUG   : signal 4 (SIGILL), code 1 (ILL_ILLOPC), fault addr 0x0000006caa3a1ad0 (read)
06-15 15:26:52.592  6317  6317 F DEBUG   :     x0  0000006caab1f390  x1  0000006caa2aff50  x2  0000006caab222a8  x3  0000000000000000
06-15 15:26:52.592  6317  6317 F DEBUG   :     x4  000000000000000e  x5  000000000000000e  x6  b40000705d8ccda0  x7  b40000705d8cd188
06-15 15:26:52.592  6317  6317 F DEBUG   :     x8  00000000000087fc  x9  0000000000000001  x10 0000000000000001  x11 0000000000000001
06-15 15:26:52.592  6317  6317 F DEBUG   :     x12 0000000000082a84  x13 0000000000000006  x14 00000000ffffffff  x15 00000000ffffffff
06-15 15:26:52.592  6317  6317 F DEBUG   :     x16 0000006caab10e88  x17 0000006caa3a1ad0  x18 0000006ca29b4000  x19 0000006caab222a8
06-15 15:26:52.592  6317  6317 F DEBUG   :     x20 0000006caab222a8  x21 0000006caa2c7d18  x22 0000000000000001  x23 b40000705d8ccda0
06-15 15:26:52.592  6317  6317 F DEBUG   :     x24 0000000000000000  x25 0000000000000000  x26 0000000000000001  x27 00000000000000c8
06-15 15:26:52.592  6317  6317 F DEBUG   :     x28 b40000707d4d3350  x29 0000006ca59f5510
06-15 15:26:52.592  6317  6317 F DEBUG   :     lr  0000006caa3ab590  sp  0000006ca59f5510  pc  0000006caa3a1ad0  pst 0000000060000400
06-15 15:26:52.592  6317  6317 F DEBUG   :     esr 0000000000000000
06-15 15:26:52.592  6317  6317 F DEBUG   : 23 total frames
06-15 15:26:52.592  6317  6317 F DEBUG   : backtrace:
06-15 15:26:52.592  6317  6317 F DEBUG   :       #00 pc 00000000004e5ad0  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (kai_get_sme_vector_length_u8+0) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #01 pc 00000000004ef58c  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (kai_get_mr_matmul_clamp_f32_f32p2vlx1_f32p2vlx1biasf32_sme2_mopa+12) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #02 pc 000000000040bd78  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #03 pc 0000000000088834  /apex/com.android.runtime/lib64/bionic/libc.so (pthread_once+148) (BuildId: f2ee009c5f1631f9819057446c9d2fa3)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #04 pc 000000000040bcf4  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #05 pc 000000000040531c  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (xnn_subgraph_optimize_packed_lhs+504) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #06 pc 00000000003f55d4  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #07 pc 0000000000385e28  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::backends::xnnpack::delegate::XNNCompiler::compileModel(void const*, unsigned long, executorch::backends::xnnpack::delegate::XNNExecutor*, executorch::backends::xnnpack::delegate::XNNWeightsCache*, xnn_workspace*, executorch::runtime::NamedDataMap const*)+1168) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #08 pc 0000000000387c2c  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::backends::XnnpackBackend::init(executorch::runtime::BackendInitContext&, executorch::runtime::FreeableBuffer*, executorch::runtime::ArrayRef<executorch::runtime::CompileSpec>) const+340) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #09 pc 00000000009f4ebc  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::runtime::BackendDelegate::Init(executorch_flatbuffer::BackendDelegate const&, executorch::runtime::Program const*, executorch::runtime::BackendInitContext&, executorch::runtime::BackendDelegate*)+780) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #10 pc 00000000009f429c  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::runtime::Method::init(executorch_flatbuffer::ExecutionPlan*, executorch::runtime::NamedDataMap const*)+680) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #11 pc 00000000009f3ea4  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::runtime::Method::load(executorch_flatbuffer::ExecutionPlan*, executorch::runtime::Program const*, executorch::runtime::MemoryManager*, executorch::runtime::EventTracer*, executorch::runtime::NamedDataMap const*)+204) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #12 pc 00000000003b3620  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::extension::module::Module::load_method(std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>> const&, executorch::runtime::HierarchicalAllocator*, executorch::runtime::EventTracer*)+828) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #13 pc 00000000003b3c14  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libexecutorch_jni.so (offset 0x3348000) (executorch::extension::module::Module::execute(std::__ndk1::basic_string<char, std::__ndk1::char_traits<char>, std::__ndk1::allocator<char>> const&, std::__ndk1::vector<executorch::runtime::EValue, std::__ndk1::allocator<executorch::runtime::EValue>> const&)+60) (BuildId: 31c3f9a16a083f05949d1aad20aa02feb9a37796)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #14 pc 00000000006cef80  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (rnexecutorch::models::BaseModel::forwardJS(std::__ndk1::vector<rnexecutorch::JSTensorViewIn, std::__ndk1::allocator<rnexecutorch::JSTensorViewIn>>) const+604) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #15 pc 00000000005f6504  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #16 pc 00000000005f581c  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (facebook::jsi::Value rnexecutorch::ModelHostObject<rnexecutorch::models::BaseModel>::promiseHostFunction<&rnexecutorch::models::BaseModel::forwardJS(std::__ndk1::vector<rnexecutorch::JSTensorViewIn, std::__ndk1::allocator<rnexecutorch::JSTensorViewIn>>) const>(facebook::jsi::Runtime&, facebook::jsi::Value const&, facebook::jsi::Value const*, unsigned long)::'lambda'(std::__ndk1::shared_ptr<rnexecutorch::Promise>)::operator()(std::__ndk1::shared_ptr<rnexecutorch::Promise>) const::'lambda'()::operator()() const+100) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #17 pc 00000000005f5734  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (rnexecutorch::threads::HighPerformanceThreadPool::Task<std::__ndk1::__bind<facebook::jsi::Value rnexecutorch::ModelHostObject<rnexecutorch::models::BaseModel>::promiseHostFunction<&rnexecutorch::models::BaseModel::forwardJS(std::__ndk1::vector<rnexecutorch::JSTensorViewIn, std::__ndk1::allocator<rnexecutorch::JSTensorViewIn>>) const>(facebook::jsi::Runtime&, facebook::jsi::Value const&, facebook::jsi::Value const*, unsigned long)::'lambda'(std::__ndk1::shared_ptr<rnexecutorch::Promise>)::operator()(std::__ndk1::shared_ptr<rnexecutorch::Promise>) const::'lambda'()>, void>::execute()+36) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #18 pc 0000000000563cc0  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (rnexecutorch::threads::HighPerformanceThreadPool::processTask(rnexecutorch::threads::HighPerformanceThreadPool::WorkItem const&)+64) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #19 pc 0000000000560c9c  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (rnexecutorch::threads::HighPerformanceThreadPool::workerThread(int)+344) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #20 pc 00000000005637a0  /data/app/~~BwNc7rGIzmgIECxOwd2YWg==/com.company.mobile-qxVGWy9rGGKWcYQ3eHUTLw==/base.apk!libreact-native-executorch.so (offset 0x479c000) (BuildId: fb29492d90ef0e4d636dd0c38b31693b9e0f47f9)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #21 pc 0000000000086580  /apex/com.android.runtime/lib64/bionic/libc.so (__pthread_start(void*) (.__uniq.67847048707805468364044055584648682506)+232) (BuildId: f2ee009c5f1631f9819057446c9d2fa3)
06-15 15:26:52.592  6317  6317 F DEBUG   :       #22 pc 0000000000078d64  /apex/com.android.runtime/lib64/bionic/libc.so (__start_thread+64) (BuildId: f2ee009c5f1631f9819057446c9d2fa3)
06-15 15:26:52.603   330   330 E tombstoned: Tombstone written to: tombstone_08
Steps to reproduce
const modelPath = "./models/model.pte"
const modelModule = new ExecutorchModule();
await modelModule.load(modelPath);
const outputs = await modelModule.forward([
	{
		dataPtr: imageData,
		sizes: [3, 3, 384, 384],
		scalarType: ScalarType.FLOAT,
	}
]);
Snack or a link to a repository

No response

React Native Executorch version

0.8.4

React Native version

0.85.3

Platforms

Android

JavaScript runtime

Hermes

Workflow

Expo Dev Client

Architecture

Fabric (New Architecture)

Build type

Debug mode

Device

Android emulator

Device model

Android Emulator

AI model

Custom PTE Model

Performance logs

No response

Acknowledgements

Yes

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the crash with the custom PTE model on the listed Android 16 emulator and compare it with a real Android device or iOS simulator. Trace the ADB backtrace from libexecutorch_jni.so through XNNPACK and the SME2 entry points; done means identifying the emulator-specific cause and defining a verified fix or documented limitation.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, pytorch, react-native
Domain
machine-learning, mobile
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
42/100

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