Fix potential memory corruption in NuCachedSource2.

Change-Id: Ia6bd2d4966287228a3ac1b067ee1f1ccad965dbb related-to-bug: 4354845
AICP · May 4, 2011 · 13aa6c2 · 13aa6c2
1 parent d108538
commit 13aa6c2
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/media/libstagefright/NuCachedSource2.cpp b/media/libstagefright/NuCachedSource2.cpp
@@ -450,6 +450,11 @@ ssize_t NuCachedSource2::readInternal(off64_t offset, void *data, size_t size) {
         }
 
         size_t avail = mCache->totalSize() - delta;
+
+        if (avail > size) {
+            avail = size;
+        }
+
         mCache->copy(delta, data, avail);
 
         return avail;