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8332955: ubsan: runningCounters.cpp:48:61: runtime error: member call on null pointer of type 'struct VirtualSpaceList' #19412

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8332955: ubsan: runningCounters.cpp:48:61: runtime error: member call on null pointer of type 'struct VirtualSpaceList' #19412

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7 changes: 4 additions & 3 deletions src/hotspot/share/memory/metaspace/runningCounters.cpp
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020 SAP SE. All rights reserved.
* Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2024 SAP SE. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
Expand Down Expand Up @@ -45,7 +45,8 @@ size_t RunningCounters::reserved_words_class() {
}

size_t RunningCounters::reserved_words_nonclass() {
return VirtualSpaceList::vslist_nonclass()->reserved_words();
VirtualSpaceList* vs = VirtualSpaceList::vslist_nonclass();
return vs != nullptr ? vs->reserved_words() : 0;
}

// Return total committed size, in words, for Metaspace
Expand Down