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8294580: frame::interpreter_frame_print_on() crashes if free BasicObjectLock exists in frame

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Reviewed-by: dholmes, mdoerr
This commit is contained in:
Richard Reingruber 2022-10-12 08:48:26 +00:00
parent 461d9030d8
commit bdb4ed0fb1
1 changed files with 2 additions and 2 deletions
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4
src/hotspot/share/runtime/frame.cpp
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@ -570,8 +570,8 @@ void frame::interpreter_frame_print_on(outputStream* st) const {
for (BasicObjectLock* current = interpreter_frame_monitor_end(); for (BasicObjectLock* current = interpreter_frame_monitor_end();
current < interpreter_frame_monitor_begin(); current < interpreter_frame_monitor_begin();
current = next_monitor_in_interpreter_frame(current)) { current = next_monitor_in_interpreter_frame(current)) {
st->print(" - obj ["); st->print(" - obj [%s", current->obj() == nullptr ? "null" : "");
current->obj()->print_value_on(st); if (current->obj() != nullptr) current->obj()->print_value_on(st);
st->print_cr("]"); st->print_cr("]");
st->print(" - lock ["); st->print(" - lock [");
current->lock()->print_on(st, current->obj()); current->lock()->print_on(st, current->obj());