hg: jdk7/hotspot-gc/hotspot: 6742641: G1: NullPointerException during GCOld
antonios.printezis at sun.com
antonios.printezis at sun.com
Mon Sep 22 17:53:05 PDT 2008
Changeset: 919e7959392a
Author: tonyp
Date: 2008-09-22 09:56 -0400
URL: http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/919e7959392a
6742641: G1: NullPointerException during GCOld
Summary: An update buffer is not processed correctly, which causes roots into the collection set not to be scanned and, hence, for the heap to be corrupted. The cause is that an object is accessed after it has been explicitly deleted, which causes a race.
Reviewed-by: jcoomes, ysr
! src/share/vm/gc_implementation/g1/dirtyCardQueue.cpp
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