https://bugs.kde.org/show_bug.cgi?id=443745
Bug ID: 443745
Summary: discover segmentation fault in
FlatpakBackend::findSource
Product: Discover
Version: 5.23.0
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Flatpak Backend
Assignee: lei...@leinir.dk
Reporter: alexey....@gmail.com
CC: aleix...@kde.org, jgrul...@redhat.com
Target Milestone: ---
Application: plasma-discover (5.23.0)
Qt Version: 5.15.2
Frameworks Version: 5.87.0
Operating System: Linux 5.14.12-gentoo x86_64
Windowing System: X11
Distribution: Gentoo/Linux
DrKonqi: 5.23.0 [KCrashBackend]
-- Information about the crash:
Gentoo does not have backend for distro packages; however, Discover can be used
to search and install packages from Flatpak. Te bug can be reproduced every
time. Steps:
- Launch discover
- wait until home screen loads (recommended apps)
- Click "Installed" label in the left nav column => crash
I have several flatpak remotes
$ flatpak remotes
Name Options
flathub system
flathub user
org.telegram.desktop-origin user,no-enumerate
-- Backtrace:
Application: Discover Software Center (plasma-discover), signal: Segmentation
fault
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[KCrash Handler]
#6 FlatpakBackend::findSource(_FlatpakInstallation*, QString const&) const
(this=this@entry=0x55f51ef7f2e0, installation=installation@entry=0x55f51e54f850
[FlatpakInstallation], origin=...) at
/usr/src/debug/kde-plasma/discover-5.23.0/discover-5.23.0/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp:113
#7 0x00007f7ed0087420 in
FlatpakBackend::getAppForInstalledRef(_FlatpakInstallation*,
_FlatpakInstalledRef*) const (this=0x55f51ef7f2e0,
installation=installation@entry=0x55f51e54f850 [FlatpakInstallation],
ref=ref@entry=0x7f7e6c0149e0 [FlatpakInstalledRef]) at
/usr/src/debug/kde-plasma/discover-5.23.0/discover-5.23.0/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp:371
#8 0x00007f7ed0087dd8 in operator() (__closure=0x55f51feb5160) at
/usr/src/debug/kde-plasma/discover-5.23.0/discover-5.23.0/libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp:1316
#9 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void,
FlatpakBackend::search(const AbstractResourcesBackend::Filters&)::<lambda()>
>::call (arg=<optimized out>, f=...) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#10 QtPrivate::Functor<FlatpakBackend::search(const
AbstractResourcesBackend::Filters&)::<lambda()>, 0>::call<QtPrivate::List<>,
void> (arg=<optimized out>, f=...) at
/usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#11 QtPrivate::QFunctorSlotObject<FlatpakBackend::search(const
AbstractResourcesBackend::Filters&)::<lambda()>, 0, QtPrivate::List<>,
void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *)
(which=<optimized out>, this_=0x55f51feb5150, r=<optimized out>, a=<optimized
out>, ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:443
#12 0x00007f7efd2ea69b in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(this=0x55f51feb5150, r=0x55f51ef7f2e0, a=0x55f51feb51c8) at
../../include/QtCore/../../../qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobjectdefs_impl.h:398
#13 0x00007f7efd31ded1 in QMetaCallEvent::placeMetaCall(QObject*)
(this=0x55f51feb5180, object=0x55f51ef7f2e0) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:615
#14 0x00007f7efd31ed45 in QObject::event(QEvent*) (this=0x55f51ef7f2e0,
e=0x55f51feb5180) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qobject.cpp:1314
#15 0x00007f7efec4676f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=<optimized out>, receiver=0x55f51ef7f2e0, e=0x55f51feb5180) at
/usr/src/debug/dev-qt/qtwidgets-5.15.2-r11/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/widgets/kernel/qapplication.cpp:3632
#16 0x00007f7efd2d9477 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55f51ef7f2e0, event=0x55f51feb5180) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qcoreapplication.cpp:1064
#17 0x00007f7efd2d9e66 in QCoreApplication::sendEvent(QObject*, QEvent*)
(receiver=0x55f51ef7f2e0, event=0x55f51feb5180) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qcoreapplication.cpp:1462
#18 0x00007f7efd2dab4e in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x55f51e4e5360) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qcoreapplication.cpp:1821
#19 0x00007f7efd2da4e0 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=0x0, event_type=0) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qcoreapplication.cpp:1680
#20 0x00007f7efd36c6b4 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x55f51e549110) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qeventdispatcher_glib.cpp:277
#21 0x00007f7efbaea34c in g_main_dispatch (context=0x7f7ef0005000) at
../glib-2.68.4/glib/gmain.c:3337
#22 0x00007f7efbaeb343 in g_main_context_dispatch (context=0x7f7ef0005000) at
../glib-2.68.4/glib/gmain.c:4055
#23 0x00007f7efbaeb53e in g_main_context_iterate (context=0x7f7ef0005000,
block=1, dispatch=1, self=0x7f7ef0004d60) at ../glib-2.68.4/glib/gmain.c:4131
#24 0x00007f7efbaeb616 in g_main_context_iteration (context=0x7f7ef0005000,
may_block=1) at ../glib-2.68.4/glib/gmain.c:4196
#25 0x00007f7efd36cde9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55f51e54e5f0, flags=...) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#26 0x00007f7efd2d5fd5 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ffd1623ba90, flags=...) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qeventloop.cpp:139
#27 0x00007f7efd2d62fb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7ffd1623ba90,
flags=...) at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qeventloop.cpp:232
#28 0x00007f7efd2d9ca8 in QCoreApplication::exec() () at
/usr/src/debug/dev-qt/qtcore-5.15.2-r10/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/corelib/kernel/qcoreapplication.cpp:1375
#29 0x00007f7efd7d691c in QGuiApplication::exec() () at
/usr/src/debug/dev-qt/qtgui-5.15.2-r13/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/gui/kernel/qguiapplication.cpp:1867
#30 0x00007f7efec466e5 in QApplication::exec() () at
/usr/src/debug/dev-qt/qtwidgets-5.15.2-r11/qtbase-a4f9e56975fa6ab4a1f63a9b34a4d77b1cfe4acd/src/widgets/kernel/qapplication.cpp:2824
#31 0x000055f51d85ff51 in main(int, char**) (argc=<optimized out>,
argv=0x7ffd1623bb70) at
/usr/src/debug/kde-plasma/discover-5.23.0/discover-5.23.0/discover/main.cpp:213
[Inferior 1 (process 6425) detached]
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