Android JNI 中的原生崩溃 SIGSEGV

我在我的应用程序中随机收到本机崩溃signal 11 (SIGSEGV), code 1 (SEGV_MAPERR)。该应用程序循环访问文件并在C++代码中分析它们并返回浮点数数组。这是在处理文件时运行一段时间的AsyncTask中完成的。我在导致崩溃的代码中做错了什么？还是超能力问题？谢谢。

这是 AsyncTask doInBackground 函数：

protected String doInBackground(Object... urls) {
            for (int i = 0; i < songFiles.size(); i++) {
                SongFile temp = songFiles.get(i);
                try {
                    float[] f = Analyser.getInfo(temp.getPath());
                        if (f != null && f.length > 1) {
                            ...save to DB
                        }
                    }
                } catch (Exception e) {
                }
            }
            return "";
        } 

Java 和 C++ 代码之间的函数：

extern "C" JNIEXPORT jfloatArray Java_com_superpowered_SuperpoweredPlayer_getInfo(JNIEnv *env, jobject instance,jstring filepath) {
    jfloatArray ret;
    char *Path= (char *) env->GetStringUTFChars(filepath, JNI_FALSE);
    ret = (jfloatArray)env->NewFloatArray(2);
    float *values = superpoweredPlayer->getKey(Path);
    env->SetFloatArrayRegion(ret, 0, 2, values);
    env->ReleaseStringUTFChars(filepath, Path);
    return ret;
}

C++函数 getKey：

float *SuperpoweredPlayer::getKey(char *url) {
    SuperpoweredDecoder *decoder = new SuperpoweredDecoder();
    //decoder initialize from the URL input
    const char *openError = decoder->open(url, false, 0, 0);
    if (openError) {
        delete decoder;
        return NULL;
    };
    // Create the analyzer.
    SuperpoweredOfflineAnalyzer *analyzer = new SuperpoweredOfflineAnalyzer(decoder->samplerate, 0, decoder->durationSeconds);
    // Create a buffer for the 16-bit integer samples coming from the decoder.
    short int *intBuffer = (short int *)malloc(decoder->samplesPerFrame * 2 * sizeof(short int) + 16384);
    // Create a buffer for the 32-bit floating point samples required by the effect.
    float *floatBuffer = (float *)malloc(decoder->samplesPerFrame * 2 * sizeof(float) + 1024);
    // Processing.
    while (true) {
        // Decode one frame. samplesDecoded will be overwritten with the actual decoded number of samples.
        unsigned int samplesDecoded = decoder->samplesPerFrame;
        if (decoder->decode(intBuffer, &samplesDecoded) == SUPERPOWEREDDECODER_ERROR) break;
        if (samplesDecoded < 1) break;
        // Convert the decoded PCM samples from 16-bit integer to 32-bit floating point.
        SuperpoweredShortIntToFloat(intBuffer, floatBuffer, samplesDecoded);
        // Submit samples to the analyzer.
        analyzer->process(floatBuffer, samplesDecoded);
        // Update the progress indicator.
        // progress = (double)decoder->samplePosition / (double)decoder->durationSamples;
    };

    // Get the result.
    unsigned char *averageWaveform = NULL, *lowWaveform = NULL, *midWaveform = NULL, *highWaveform = NULL, *peakWaveform = NULL, *notes = NULL;
    int waveformSize, overviewSize, keyIndex;
    char *overviewWaveform = NULL;
    float loudpartsAverageDecibel, peakDecibel, bpm, averageDecibel, beatgridStartMs = 0;
    analyzer->getresults(&averageWaveform, &peakWaveform, &lowWaveform, &midWaveform, &highWaveform, &notes, &waveformSize, &overviewWaveform, &overviewSize, &averageDecibel, &loudpartsAverageDecibel, &peakDecibel, &bpm, &beatgridStartMs, &keyIndex);
    float *ret;
    ret=(float*)malloc(2*sizeof(float));
    ret[0] = bpm;
    ret[1] = keyIndex;
    // Cleanup.
    delete decoder;
    delete analyzer;
    free(intBuffer);
    free(floatBuffer);
    // Done with the result, free memory.
    if (averageWaveform) free(averageWaveform);
    if (lowWaveform) free(lowWaveform);
    if (midWaveform) free(midWaveform);
    if (highWaveform) free(highWaveform);
    if (peakWaveform) free(peakWaveform);
    if (notes) free(notes);
    if (overviewWaveform) free(overviewWaveform);
    return ret;
}