Fixed more fuzzer issues

src/effects/SkDashPathEffect.cpp

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkDashPathEffect.h"
@@ skipping 536 matching lines @@
     return SkNEW_ARGS(SkDashPathEffect, (buffer));
 }
 
 SkDashPathEffect::SkDashPathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
     fInitialDashIndex = buffer.readInt();
     fInitialDashLength = buffer.readScalar();
     fIntervalLength = buffer.readScalar();
     fScaleToFit = buffer.readBool();
 
     fCount = buffer.getArrayCount();
-    fIntervals = (SkScalar*)sk_malloc_throw(sizeof(SkScalar) * fCount);
-    buffer.readScalarArray(fIntervals, fCount);
+    size_t allocSize = sizeof(SkScalar) * fCount;
+    if (buffer.validateAvailable(allocSize)) {
+        fIntervals = (SkScalar*)sk_malloc_throw(allocSize);
+        buffer.readScalarArray(fIntervals, fCount);
+    } else {
+        fIntervals = NULL;
+    }
 }