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Fix crash when loading session from a running instance

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ViewBackground never unsubscribed from UIConfiguration
callbacks when it was destroyed. Loading another session
that can cause UIConfig change signals to be emitted
caused a heap-use-after-free.
This commit is contained in:
Robin Gareus 2024-12-05 03:46:09 +01:00
parent c024820864
commit 7a06524f79
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GPG key ID: A090BCE02CF57F04
2 changed files with 2 additions and 2 deletions
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2
gtk2_ardour/streamview.h
View file

@ -65,7 +65,7 @@ class RegionSelection;
class CrossfadeView; class CrossfadeView;
class Selection; class Selection;
class StreamView : public sigc::trackable, public PBD::ScopedConnectionList, public virtual ViewBackground, public SelectableOwner class StreamView : public PBD::ScopedConnectionList, public virtual ViewBackground, public SelectableOwner
{ {
public: public:
virtual ~StreamView (); virtual ~StreamView ();

2
gtk2_ardour/view_background.h
View file

@ -34,7 +34,7 @@ namespace ArdourCanvas {
/** A class that provides limited context for a View /** A class that provides limited context for a View
*/ */
class ViewBackground class ViewBackground : public sigc::trackable
{ {
public: public:
ViewBackground (); ViewBackground ();