QWidgetAnimator has a QHash member m_animation_map with all active animations. Since it doesn't own the animations, they can get deleted while their pointers are still in the map. To avoid UAF, the QPropertyAnimation pointers are held in a QPointer. When a null QPointer was in the map, it caused a nullptr dereference and animating() returned true, even though nothing was animating. Add missing nullptr check. Don't count null QPointer as an ongoing animation. Amends 33214af3784feacb2d5188bbf07da92f45f582f9. Fixes: QTBUG-141761 Pick-to: 6.10 6.8 6.5 Change-Id: Iec081472ece2ec86b9ddcb7616ed65401be20cc4 Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>