diff --git a/java/openjdk11/files/patch-commit-c484d890428 b/java/openjdk11/files/patch-commit-c484d890428 new file mode 100644 index 000000000000..39ac7a7e8e46 --- /dev/null +++ b/java/openjdk11/files/patch-commit-c484d890428 @@ -0,0 +1,23 @@ +commit c484d8904285652246c3af212a4211b9a8955149 +Author: Thomas Stuefe +Date: Tue Mar 16 05:49:01 2021 +0000 + + 8263557: Possible NULL dereference in Arena::destruct_contents() + + Reviewed-by: kbarrett, coleenp + +diff --git src/hotspot/share/memory/arena.cpp src/hotspot/share/memory/arena.cpp +index 8388f68c359..16059bed9be 100644 +--- src/hotspot/share/memory/arena.cpp ++++ src/hotspot/share/memory/arena.cpp +@@ -310,7 +310,9 @@ void Arena::destruct_contents() { + // reset size before chop to avoid a rare racing condition + // that can have total arena memory exceed total chunk memory + set_size_in_bytes(0); +- _first->chop(); ++ if (_first != NULL) { ++ _first->chop(); ++ } + reset(); + } +