https://bugs.kde.org/show_bug.cgi?id=432746
Bug ID: 432746
Summary: Closing windows on Wayland often crashes in
Breeze::Decoration::~Decoration()
Product: Breeze
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: window decoration
Assignee: plasma-b...@kde.org
Reporter: n...@kde.org
CC: kwin-bugs-n...@kde.org
Target Milestone: ---
About 25% of the time, when I close a window on Wayland, KWin crashes. The
chance of a crash increases to about 50% if the window decoration context menu
is open at the moment I close the app.
Here's the backtrace:
free(): invalid pointer
Thread 1 "kwin_wayland" received signal SIGABRT, Aborted.
__GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
49 return ret;
Missing separate debuginfos, use: zypper install
Mesa-libEGL1-debuginfo-20.3.4-272.2.x86_64 kwin5-debuginfo-5.20.5-2.2.x86_64
libavif9-debuginfo-0.8.4-1.1.x86_64
libgthread-2_0-0-debuginfo-2.66.4-1.1.x86_64
libimobiledevice-1_0-6-debuginfo-1.3.0+git.20200910-1.1.x86_64
libplist-2_0-3-debuginfo-2.2.0-1.1.x86_64
libusbmuxd-2_0-6-debuginfo-2.0.2-1.1.x86_64
pipewire-modules-debuginfo-0.3.20-1.1.x86_64
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:49
#1 0x00007ffff42da864 in __GI_abort () at abort.c:79
#2 0x00007ffff4334047 in __libc_message
(action=action@entry=do_abort, fmt=fmt@entry=0x7ffff44463b0 "%s\n")
at ../sysdeps/posix/libc_fatal.c:155
#3 0x00007ffff433bcec in malloc_printerr (str=str@entry=0x7ffff444459d
"free(): invalid pointer")
at malloc.c:5389
#4 0x00007ffff433d0bc in _int_free (av=<optimized out>, p=<optimized out>,
have_lock=0)
at malloc.c:4201
#5 0x00007ffff7413981 in QtPrivate::QSlotObjectBase::destroyIfLastRef()
(this=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:395
#6 QtPrivate::QSlotObjectBase::destroyIfLastRef() (this=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:394
#7 QObject::~QObject() (this=<optimized out>, __in_chrg=<optimized out>)
at kernel/qobject.cpp:1068
#8 0x00007fffe41917e9 in Breeze::Decoration::~Decoration()
(this=0x12d2570, __in_chrg=<optimized out>)
at /home/nate/kde/src/breeze/kdecoration/breezedecoration.cpp:164
#9 0x00007ffff6cfa33b in KWin::AbstractClient::destroyDecoration()
(this=0x113b980)
at /home/nate/kde/src/kwin/src/abstract_client.cpp:2339
#10 0x00007ffff6e4cd13 in KWin::XdgSurfaceClient::destroyClient()
(this=0x113b980)
at /home/nate/kde/src/kwin/src/xdgshellclient.cpp:331
#11 0x00007ffff74158c6 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fffffffc710, r=0x113b980, this=0x141f750)
at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#12 doActivate<false>(QObject*, int, void**)
(sender=0x122cb10, signal_index=0, argv=argv@entry=0x7fffffffc710) at
kernel/qobject.cpp:3886
#13 0x00007ffff740ec20 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=sender@entry=0x122cb10, m=m@entry=0x7ffff76baa00
<QObject::staticMetaObject>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x7fffffffc710) at kernel/qobject.cpp:3946
#14 0x00007ffff740eccf in QObject::destroyed(QObject*)
(this=this@entry=0x122cb10, _t1=<optimized out>, _t1@entry=0x122cb10)
at .moc/moc_qobject.cpp:219
#15 0x00007ffff7413c4d in QObject::~QObject() (this=<optimized out>,
__in_chrg=<optimized out>)
at kernel/qobject.cpp:992
#16 0x00007ffff4ceeb86 in non-virtual thunk to
KWaylandServer::XdgToplevelInterfacePrivate::xdg_toplevel_destroy_resource(QtWaylandServer::xdg_toplevel::Resource*)
()
at /home/nate/kde/src/kwayland-server/src/server/xdgshell_interface.cpp:366
#17 0x00007ffff4d2cfe0 in
QtWaylandServer::xdg_toplevel::destroy_func(wl_resource*)
(client_resource=<optimized out>)
at
/home/nate/kde/build/kwayland-server/src/server/qwayland-server-xdg-shell.cpp:1031
#18 0x00007ffff4c0999f in destroy_resource (element=0x11ff720,
data=data@entry=0x0, flags=0)
at src/wayland-server.c:724
#19 0x00007ffff4c0b331 in wl_resource_destroy (resource=<optimized out>)
at src/wayland-server.c:741
#20 0x00007ffff2bea42d in ffi_call_unix64 () at ../src/x86/unix64.S:106
#21 0x00007ffff2be64f9 in ffi_call_int
(cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>,
avalue=<optimized out>, closure=<optimized out>) at ../src/x86/ffi64.c:669
#22 0x00007ffff4c07005 in wl_closure_invoke
(closure=closure@entry=0x10cbdf0, target=<optimized out>,
target@entry=0x11ff720, opcode=opcode@entry=0, data=<optimized out>,
data@entry=0x141bbc0, flags=<optimized out>) at src/connection.c:1018
#23 0x00007ffff4c0aeec in wl_client_connection_data
(fd=<optimized out>, mask=<optimized out>, data=<optimized out>) at
src/wayland-server.c:432
#24 0x00007ffff4c09ae2 in wl_event_loop_dispatch (loop=0x5237c0,
timeout=timeout@entry=0)
at src/event-loop.c:1027
#25 0x00007ffff4ca9d78 in KWaylandServer::Display::dispatchEvents()
(this=<optimized out>)
at /home/nate/kde/src/kwayland-server/src/server/display.cpp:107
#26 0x00007ffff74158c6 in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fffffffd090, r=0x5771c0, this=0x54c720)
at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#27 doActivate<false>(QObject*, int, void**)
(sender=0x130c720, signal_index=3, argv=argv@entry=0x7fffffffd090) at
kernel/qobject.cpp:3886
#28 0x00007ffff740ec20 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**)
(sender=sender@entry=0x130c720, m=m@entry=0x7ffff76c3a60
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffd090)
at kernel/qobject.cpp:3946
#29 0x00007ffff7418cff in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x130c720, _t1=..., _t2=<optimized out>, _t3=...)
at .moc/moc_qsocketnotifier.cpp:178
#30 0x00007ffff74194fb in QSocketNotifier::event(QEvent*) (this=0x130c720,
e=0x7fffffffd1a0)
at kernel/qsocketnotifier.cpp:302
#31 0x00007ffff510b50f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x130c720, e=0x7fffffffd1a0) at
kernel/qapplication.cpp:3632
#32 0x00007ffff73df2ea in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x130c720, event=0x7fffffffd1a0) at
kernel/qcoreapplication.cpp:1063
#33 0x00007ffff7433bab in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0x500f30)
at kernel/qeventdispatcher_unix.cpp:304
#34 0x00007ffff743400b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#35 0x00007ffff08421cd in () at
/usr/lib64/qt5/plugins/platforms/KWinQpaPlugin.so
#36 0x00007ffff73ddcab in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fffffffd330, flags=..., flags@entry=...)
at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#37 0x00007ffff73e5f20 in QCoreApplication::exec() ()
at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#38 0x000000000042d25a in main(int, char**) (argc=<optimized out>,
argv=<optimized out>)
at /home/nate/kde/src/kwin/src/main_wayland.cpp:800
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