JSVM OH_JSVM_GetNamedProperty 发生 Signal:SIGBUS(BUS_ADRALN) 错误 - HarmonyOS 鸿蒙Next

JSVM OH_JSVM_GetNamedProperty 发生 Signal:SIGBUS(BUS_ADRALN) 错误 - HarmonyOS 鸿蒙Next

设备版本：5.0.0.126 (SP8C00E126R5P28patch01)

IDE 版本：5.0.7.210

SDK 版本：5.0.2.126 (API Version 14 Release)

问题描述：

在调用 OH_JSVM_GetNamedProperty 时有概率发生标题的 Signal:SIGBUS(BUS_ADRALN) 错误。

代码片段：

```javascript
JSVM_Value handleOplog(MMCall *call, HandleOplogData *data) {
    JSVM_Env env = currentVm.env;
    auto req = jsvm_createArrayBuffer(env, data->data, data->dataLength);

    auto fn = jsvm_runJS(env, "((req) => {return currentDriver.handleOplog(new Uint8Array(req))})");

    JSVM_Value global;
    OH_JSVM_GetGlobal(env, &global);
    JSVM_Value invokePromise;
    JSVM_Ref invokePromiseRef;
    JSVM_CALL(OH_JSVM_CallFunction(env, global, fn, 1, &req, &invokePromise));

    // 保留引用，避免被回收
    JSVM_CALL(OH_JSVM_CreateReference(env, invokePromise, 1, &invokePromiseRef));

    jsvm_waitJobs(env, *currentVm.vm);

    JSVM_CallbackStruct thenFnCb{
         -> JSVM_Value {
            MMCall *call;
            size_t argc = 1;
            JSVM_Value args;
            OH_LOG_DEBUG(LOG_APP, "Promise resolved");
            OH_JSVM_GetCbInfo(env2, info2, &argc, &args, nullptr, (void **)&call);
            // Uint8Array.buffer
            JSVM_Value buffer = jsvm_getProperty(env2, args, "buffer");

            int32_t byteLength;
            OH_JSVM_GetValueInt32(env2, jsvm_getProperty(env2, args, "byteLength"), &byteLength);
            int32_t byteOffset;
            OH_JSVM_GetValueInt32(env2, jsvm_getProperty(env2, args, "byteOffset"), &byteOffset);

            void *data;
            size_t dataLength;
            OH_JSVM_GetArraybufferInfo(env2, buffer, &data, &dataLength);

            endCallRaw(call, ((uint8_t *)data) + byteOffset, byteLength);
            return nullptr;
        },
        (void *)call};
    JSVM_CallbackStruct catchFn{ -> JSVM_Value {
                                    MMCall *call;
                                    size_t argc;
                                    OH_JSVM_GetCbInfo(env2, info2, &argc, nullptr, nullptr, (void **)&call);
                                    OH_LOG_ERROR(LOG_APP, "Error occurred");
                                    endCall(call, "{}");
                                    return nullptr;
                                },
                                (void *)call};


    jsvm_waitPromise(env, *currentVm.vm, &invokePromise, &thenFnCb, &catchFn);
    JSVM_CALL(OH_JSVM_DeleteReference(env, invokePromiseRef));
    return nullptr;
}

JSVM_Value jsvm_waitPromise(JSVM_Env env, JSVM_VM vm, JSVM_Value *promise, JSVM_CallbackStruct *thenCb,
                            JSVM_CallbackStruct *catchCb // optional
) {
    JSVM_Value promiseThen;
    JSVM_Value promiseCatch;
    JSVM_Value thenFn;
    JSVM_Value catchFn;
    JSVM_Value result;

    JSVM_CALL(OH_JSVM_GetNamedProperty(env, *promise, "then", &promiseThen));
    JSVM_CALL(OH_JSVM_CreateFunction(env, "cb", JSVM_AUTO_LENGTH, thenCb, &thenFn));
    JSVM_CALL(OH_JSVM_CallFunction(env, *promise, promiseThen, 1, &thenFn, &result));

    if (catchCb != nullptr) {
        JSVM_CALL(OH_JSVM_GetNamedProperty(env, *promise, "catch", &promiseCatch));
        JSVM_CALL(OH_JSVM_CreateFunction(env, "cb", JSVM_AUTO_LENGTH, catchCb, &catchFn));
        JSVM_CALL(OH_JSVM_CallFunction(env, *promise, promiseCatch, 1, &catchFn, &result));
    }

    jsvm_waitJobs(env, vm);
    return nullptr;
}