status_t ACodec::allocateOutputMetadataBuffers() {
    OMX_U32 bufferCount, bufferSize, minUndequeuedBuffers;
 status_t err = configureOutputBuffersFromNativeWindow(
 &bufferCount, &bufferSize, &minUndequeuedBuffers);
 if (err != 0)
 return err;
    mNumUndequeuedBuffers = minUndequeuedBuffers;

    ALOGV("[%s] Allocating %u meta buffers on output port",
         mComponentName.c_str(), bufferCount);

 size_t bufSize = mOutputMetadataType == kMetadataBufferTypeANWBuffer ?
 sizeof(struct VideoNativeMetadata) : sizeof(struct VideoGrallocMetadata);
 size_t totalSize = bufferCount * bufSize;
    mDealer[kPortIndexOutput] = new MemoryDealer(totalSize, "ACodec");

 for (OMX_U32 i = 0; i < bufferCount; i++) {
 BufferInfo info;
        info.mStatus = BufferInfo::OWNED_BY_NATIVE_WINDOW;
        info.mFenceFd = -1;
        info.mRenderInfo = NULL;
        info.mGraphicBuffer = NULL;
        info.mDequeuedAt = mDequeueCounter;

        sp<IMemory> mem = mDealer[kPortIndexOutput]->allocate(bufSize);
 if (mem == NULL || mem->pointer() == NULL) {
 return NO_MEMORY;
 }
 if (mOutputMetadataType == kMetadataBufferTypeANWBuffer) {
 ((VideoNativeMetadata *)mem->pointer())->nFenceFd = -1;
 }
        info.mData = new ABuffer(mem->pointer(), mem->size());

        err = mOMX->useBuffer(
                mNode, kPortIndexOutput, mem, &info.mBufferID, mem->size());

        mBuffers[kPortIndexOutput].push(info);

        ALOGV("[%s] allocated meta buffer with ID %u (pointer = %p)",
             mComponentName.c_str(), info.mBufferID, mem->pointer());
 }

 if (mLegacyAdaptiveExperiment) {
 static_cast<Surface *>(mNativeWindow.get())
 ->getIGraphicBufferProducer()->allowAllocation(true);

        ALOGV("[%s] Allocating %u buffers from a native window of size %u on "
 "output port",
             mComponentName.c_str(), bufferCount, bufferSize);

 for (OMX_U32 i = 0; i < bufferCount; i++) {
 BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);

 ANativeWindowBuffer *buf;
 int fenceFd;
            err = mNativeWindow->dequeueBuffer(mNativeWindow.get(), &buf, &fenceFd);
 if (err != 0) {
                ALOGE("dequeueBuffer failed: %s (%d)", strerror(-err), -err);
 break;
 }

            sp<GraphicBuffer> graphicBuffer(new GraphicBuffer(buf, false));
            mOMX->updateGraphicBufferInMeta(
                    mNode, kPortIndexOutput, graphicBuffer, info->mBufferID);
            info->mStatus = BufferInfo::OWNED_BY_US;
            info->setWriteFence(fenceFd, "allocateOutputMetadataBuffers for legacy");
            info->mGraphicBuffer = graphicBuffer;
 }

 for (OMX_U32 i = 0; i < mBuffers[kPortIndexOutput].size(); i++) {
 BufferInfo *info = &mBuffers[kPortIndexOutput].editItemAt(i);
 if (info->mStatus == BufferInfo::OWNED_BY_US) {
 status_t error = cancelBufferToNativeWindow(info);
 if (err == OK) {
                    err = error;
 }
 }
 }

 static_cast<Surface*>(mNativeWindow.get())
 ->getIGraphicBufferProducer()->allowAllocation(false);
 }

    mMetadataBuffersToSubmit = bufferCount - minUndequeuedBuffers;
 return err;
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.