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8008071: Crashed in promote_malloc_records() with Kitchensink after 19 days
authorzgu
Thu, 21 Feb 2013 07:50:48 -0500
changeset 15797 43706e10feea
parent 15796 41577a5deb58
child 15798 cea39eefa98e
8008071: Crashed in promote_malloc_records() with Kitchensink after 19 days Summary: Added NULL pointer check for arena size record Reviewed-by: sspitsyn, dholmes
hotspot/src/share/vm/services/memSnapshot.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/services/memSnapshot.cpp	Wed Feb 20 19:36:25 2013 -0800
+++ b/hotspot/src/share/vm/services/memSnapshot.cpp	Thu Feb 21 07:50:48 2013 -0500
@@ -528,7 +528,8 @@
         // an arena record can be followed by a size record, we need to remove both
         if (matched_rec->is_arena_record()) {
           MemPointerRecord* next = (MemPointerRecord*)malloc_snapshot_itr.peek_next();
-          if (next->is_arena_memory_record() && next->is_memory_record_of_arena(matched_rec)) {
+          if (next != NULL && next->is_arena_memory_record() &&
+              next->is_memory_record_of_arena(matched_rec)) {
             malloc_snapshot_itr.remove();
           }
         }
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