hg: jdk7/2d/jdk: 6782079: PNG: reading metadata may cause OOM on truncated images.

[andrew.brygin at sun.com]

Changeset: 62d33a33f9e0
Author:    bae
Date:      2009-01-13 18:38 +0300
URL:       http://hg.openjdk.java.net/jdk7/2d/jdk/rev/62d33a33f9e0

6782079: PNG: reading metadata may cause OOM on truncated images.
Reviewed-by: igor, prr
Contributed-by: Martin von Gagern <martin.vgagern at gmx.net>

! src/share/classes/com/sun/imageio/plugins/png/PNGImageReader.java
! src/share/classes/com/sun/imageio/plugins/png/PNGImageWriter.java
! src/share/classes/com/sun/imageio/plugins/png/PNGMetadata.java
+ test/javax/imageio/plugins/png/ItxtUtf8Test.java