8313900: Possible NULL pointer access in NativeAudioSpectrum and NativeVideoBuffer

Backport-of: 9f180e2

Author: Alexander Matveev

modules/javafx.media/src/main/native/jfxmedia/jni/NativeAudioSpectrum.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -55,6 +55,10 @@ Java_com_sun_media_jfxmediaimpl_NativeAudioSpectrum_nativeSetBands(JNIEnv *env,
 {
     CAudioSpectrum *pSpectrum = (CAudioSpectrum*)jlong_to_ptr(nativeRef);
     CJavaBandsHolder *pHolder = new (std::nothrow) CJavaBandsHolder();
+    if (pHolder == NULL) {
+        return;
+    }
+
     if (!pHolder->Init(env, bands, magnitudes, phases)) {
         delete pHolder;
         pHolder = NULL;

modules/javafx.media/src/main/native/jfxmedia/jni/NativeVideoBuffer.cpp

@@ -206,7 +206,14 @@ JNIEXPORT jintArray JNICALL Java_com_sun_media_jfxmediaimpl_NativeVideoBuffer_na
         }
 
         jintArray strides = env->NewIntArray(count);
-        jint *strideArray = new jint[count];
+        if (strides == NULL) {
+            return NULL;
+        }
+
+        jint *strideArray = new (std::nothrow) jint[count];
+        if (strideArray == NULL) {
+            return NULL;
+        }
 
         for (int ii=0; ii < count; ii++) {
             strideArray[ii] = frame->GetStrideForPlane(ii);