https://bugs.kde.org/show_bug.cgi?id=482819
--- Comment #13 from Matt Fagnani <matt.fagn...@bell.net> ---
I built qca 2.3.8 with your patch added. I reproduced the crash first without
using valgrind. The crash happened on the line with static_cast<PKeyContext
*>(context())->key() Since context() looked to be run with out a pointer to an
object, I guess the pointer this might've been used which had the null d
pointer.
Core was generated by `/usr/bin/kwalletd6 --pam-login 13 14'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007efd2af813fc in QCA::PrivateKey::deriveKey
(this=this@entry=0x7ffdccf553f0, theirs=...)
at /usr/src/debug/qca-2.3.8-2.fc40.x86_64/src/qca_publickey.cpp:1033
1033 qDebug() << static_cast<PKeyContext *>(context())->key();
[Current thread is 1 (Thread 0x7efd2b28f9c0 (LWP 76549))]
(gdb) l
1028 SymmetricKey PrivateKey::deriveKey(const PublicKey &theirs)
1029 {
1030 const PKeyContext *theirContext = static_cast<const PKeyContext
*>(theirs.context());
1031 qDebug() << context();
1032 qDebug() << theirContext;
1033 qDebug() << static_cast<PKeyContext *>(context())->key();
1034 qDebug() << theirContext->key();
1035 return static_cast<PKeyContext
*>(context())->key()->deriveKey(*(theirContext->key()));
1036 }
1037
(gdb) bt
#0 0x00007efd2af813fc in QCA::PrivateKey::deriveKey
(this=this@entry=0x7ffdccf553f0, theirs=...)
at /usr/src/debug/qca-2.3.8-2.fc40.x86_64/src/qca_publickey.cpp:1033
#1 0x00005592e8316992 in
KWalletFreedesktopService::createSessionAlgorithmDhAes (this=0x7efd1000a540,
clientKey=...)
at
/usr/src/debug/kf6-kwallet-6.0.0-1.fc40.x86_64/src/runtime/kwalletd/kwalletfreedesktopservice.cpp:424
#2 KWalletFreedesktopService::OpenSession
(this=0x7efd1000a540, algorithm=<optimized out>, input=<optimized out>,
result=...)
at
/usr/src/debug/kf6-kwallet-6.0.0-1.fc40.x86_64/src/runtime/kwalletd/kwalletfreedesktopservice.cpp:266
#3 0x00005592e833bf43 in KWalletFreedesktopServiceAdaptor::OpenSession
(this=0x5592e90d2eb0, algorithm=<optimized out>, input=<optimized out>,
result=<optimized out>)
at
/usr/src/debug/kf6-kwallet-6.0.0-1.fc40.x86_64/redhat-linux-build/src/runtime/kwalletd/kwalletfreedesktopserviceadaptor.cpp:63
#4 KWalletFreedesktopServiceAdaptor::qt_static_metacall
(_o=0x5592e90d2eb0, _c=<optimized out>, _id=<optimized out>,
_a=0x7ffdccf55728)
at
/usr/src/debug/kf6-kwallet-6.0.0-1.fc40.x86_64/redhat-linux-build/src/runtime/kwalletd/moc_kwalletfreedesktopserviceadaptor.cpp:410
#5 0x00005592e833c254 in KWalletFreedesktopServiceAdaptor::qt_metacall
(this=0x5592e90d2eb0, _c=QMetaObject::InvokeMetaMethod, _id=6,
_a=0x7ffdccf55728)
at
/usr/src/debug/kf6-kwallet-6.0.0-1.fc40.x86_64/redhat-linux-build/src/runtime/kwalletd/moc_kwalletfreedesktopserviceadaptor.cpp:489
#6 0x00007efd2a57bb11 in QDBusConnectionPrivate::deliverCall
(this=this@entry=0x7efd10001690, object=object@entry=0x5592e90d2eb0,
msg=..., metaTypes=..., slotIdx=11)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/dbus/qdbusintegrator.cpp:977
#7 0x00007efd2a57f675 in QDBusConnectionPrivate::activateCall
(this=this@entry=0x7efd10001690, object=0x5592e90d2eb0,
flags=flags@entry=273, msg=...)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/dbus/qdbusintegrator.cpp:879
#8 0x00007efd2a5802c6 in QDBusConnectionPrivate::activateCall
(this=0x7efd10001690, object=<optimized out>, flags=273, msg=...)
--Type <RET> for more, q to quit, c to continue without paging--c
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/dbus/qdbusintegrator.cpp:825
#9 QDBusConnectionPrivate::activateObject (this=0x7efd10001690, node=...,
msg=..., pathStartPos=<optimized out>)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/dbus/qdbusintegrator.cpp:1460
#10 0x00007efd2a58295a in QDBusActivateObjectEvent::placeMetaCall
(this=0x7efd1000afe0)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/dbus/qdbusintegrator.cpp:1580
#11 0x00007efd293e25a5 in QObject::event (this=0x7efd1000a540,
e=0x7efd1000afe0)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qobject.cpp:1437
#12 0x00007efd2a787f68 in QApplicationPrivate::notify_helper
(this=<optimized out>, receiver=0x7efd1000a540, e=0x7efd1000afe0)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:3296
#13 0x00007efd2938f218 in QCoreApplication::notifyInternal2
(receiver=0x7efd1000a540, event=0x7efd1000afe0)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1121
#14 0x00007efd2938f42d in QCoreApplication::sendEvent (receiver=<optimized
out>, event=<optimized out>)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1539
#15 0x00007efd29393147 in QCoreApplicationPrivate::sendPostedEvents
(receiver=0x0, event_type=0, data=0x5592e8d7e390)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1901
#16 0x00007efd2939340d in QCoreApplication::sendPostedEvents
(receiver=<optimized out>, event_type=<optimized out>)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qcoreapplication.cpp:1760
#17 0x00007efd2966751f in postEventSourceDispatch (s=0x5592e8d80450)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:243
#18 0x00007efd289be68c in g_main_dispatch (context=0x7efd10000f00) at
../glib/gmain.c:3344
#19 g_main_context_dispatch_unlocked (context=0x7efd10000f00) at
../glib/gmain.c:4152
#20 0x00007efd28a1f788 in g_main_context_iterate_unlocked.isra.0
(context=context@entry=0x7efd10000f00, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>)
at ../glib/gmain.c:4217
#21 0x00007efd289bfb03 in g_main_context_iteration (context=0x7efd10000f00,
may_block=1) at ../glib/gmain.c:4282
#22 0x00007efd29666de3 in QEventDispatcherGlib::processEvents
(this=0x5592e8d980d0, flags=...)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/kernel/qeventdispatcher_glib.cpp:393
#23 0x00007efd2939c053 in QEventLoop::exec (this=this@entry=0x7ffdccf56000,
flags=..., flags@entry=...)
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/global/qflags.h:34
#24 0x00007efd29397ffc in QCoreApplication::exec ()
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/corelib/global/qflags.h:74
#25 0x00007efd29bd37cd in QGuiApplication::exec ()
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/gui/kernel/qguiapplication.cpp:1925
#26 0x00007efd2a787ed9 in QApplication::exec ()
at
/usr/src/debug/qt6-qtbase-6.6.2-6.fc40.x86_64/src/widgets/kernel/qapplication.cpp:2574
#27 0x00005592e82fcd95 in main (argc=<optimized out>, argv=<optimized out>)
at
/usr/src/debug/kf6-kwallet-6.0.0-1.fc40.x86_64/src/runtime/kwalletd/main.cpp:221
I ran the steps you gave with kwalletd6 under valgrind. The crash was at a null
address in QCA::PrivateKey::deriveKey at qca_publickey.cpp:1033.
==83336== Memcheck, a memory error detector
==83336== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al.
==83336== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info
==83336== Command: /usr/bin/kwalletd6
==83336== Parent PID: 83306
==83336==
==83336== Invalid read of size 16
==83336== at 0x6210B77: UnknownInlinedFun (emmintrin.h:706)
==83336== by 0x6210B77: aeshash128_lt16 (qhash.cpp:630)
==83336== by 0x6210B77: aeshash128(unsigned char const*, unsigned long,
unsigned long, unsigned long) (qhash.cpp:771)
==83336== by 0x56B8F4F: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56BAB4A: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56BE694: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56ABA04: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56C6EE5: KSharedConfig::openConfig(QString const&,
QFlags<KConfig::OpenFlag>, QStandardPaths::StandardLocation) (in
/usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x2BD42CA8: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x2BD72EAD: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x50AB9CD: qLoadPlugin<QStyle, QStylePlugin>
(qfactoryloader_p.h:99)
==83336== by 0x50AB9CD: QStyleFactory::create(QString const&)
(qstylefactory.cpp:77)
==83336== by 0x5007BCF: QApplication::style() (qapplication.cpp:919)
==83336== by 0x50081C0: QApplicationPrivate::initialize()
(qapplication.cpp:539)
==83336== by 0x50083E4: QApplicationPrivate::init() (qapplication.cpp:486)
==83336== Address 0x2be195e1 is 113 bytes inside a block of size 128 alloc'd
==83336== at 0x484280F: malloc (vg_replace_malloc.c:442)
==83336== by 0x63C3BB0: UnknownInlinedFun (qarraydata.cpp:139)
==83336== by 0x63C3BB0: QArrayData::allocate(QArrayData**, long long, long
long, long long, QArrayData::AllocationOption) (qarraydata.cpp:189)
==83336== by 0x63593CC: allocate (qarraydata.h:106)
==83336== by 0x63593CC: QByteArray::reallocData(long long,
QArrayData::AllocationOption) (qbytearray.cpp:1927)
==83336== by 0x635958A: QByteArray::resize(long long) (qbytearray.cpp:1866)
==83336== by 0x62576FF: QIODevice::readAll() (qiodevice.cpp:1262)
==83336== by 0x56BD852: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56ABA04: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56C6EE5: KSharedConfig::openConfig(QString const&,
QFlags<KConfig::OpenFlag>, QStandardPaths::StandardLocation) (in
/usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x2BD42CA8: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x2BD72EAD: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x50AB9CD: qLoadPlugin<QStyle, QStylePlugin>
(qfactoryloader_p.h:99)
==83336== by 0x50AB9CD: QStyleFactory::create(QString const&)
(qstylefactory.cpp:77)
==83336== by 0x5007BCF: QApplication::style() (qapplication.cpp:919)
==83336==
==83336== Invalid read of size 16
==83336== at 0x6210B77: UnknownInlinedFun (emmintrin.h:706)
==83336== by 0x6210B77: aeshash128_lt16 (qhash.cpp:630)
==83336== by 0x6210B77: aeshash128(unsigned char const*, unsigned long,
unsigned long, unsigned long) (qhash.cpp:771)
==83336== by 0x56B8F4F: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56B95F1: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56BB01F: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56BE694: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56ABA04: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56C6EE5: KSharedConfig::openConfig(QString const&,
QFlags<KConfig::OpenFlag>, QStandardPaths::StandardLocation) (in
/usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x2BD42CA8: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x2BD72EAD: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x50AB9CD: qLoadPlugin<QStyle, QStylePlugin>
(qfactoryloader_p.h:99)
==83336== by 0x50AB9CD: QStyleFactory::create(QString const&)
(qstylefactory.cpp:77)
==83336== by 0x5007BCF: QApplication::style() (qapplication.cpp:919)
==83336== by 0x50081C0: QApplicationPrivate::initialize()
(qapplication.cpp:539)
==83336== Address 0x2be195e1 is 113 bytes inside a block of size 128 alloc'd
==83336== at 0x484280F: malloc (vg_replace_malloc.c:442)
==83336== by 0x63C3BB0: UnknownInlinedFun (qarraydata.cpp:139)
==83336== by 0x63C3BB0: QArrayData::allocate(QArrayData**, long long, long
long, long long, QArrayData::AllocationOption) (qarraydata.cpp:189)
==83336== by 0x63593CC: allocate (qarraydata.h:106)
==83336== by 0x63593CC: QByteArray::reallocData(long long,
QArrayData::AllocationOption) (qbytearray.cpp:1927)
==83336== by 0x635958A: QByteArray::resize(long long) (qbytearray.cpp:1866)
==83336== by 0x62576FF: QIODevice::readAll() (qiodevice.cpp:1262)
==83336== by 0x56BD852: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56ABA04: ??? (in /usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x56C6EE5: KSharedConfig::openConfig(QString const&,
QFlags<KConfig::OpenFlag>, QStandardPaths::StandardLocation) (in
/usr/lib64/libKF6ConfigCore.so.6.0.0)
==83336== by 0x2BD42CA8: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x2BD72EAD: ??? (in /usr/lib64/qt6/plugins/styles/breeze6.so)
==83336== by 0x50AB9CD: qLoadPlugin<QStyle, QStylePlugin>
(qfactoryloader_p.h:99)
==83336== by 0x50AB9CD: QStyleFactory::create(QString const&)
(qstylefactory.cpp:77)
==83336== by 0x5007BCF: QApplication::style() (qapplication.cpp:919)
==83336==
==83336== Conditional jump or move depends on uninitialised value(s)
==83336== at 0x2BDA8B18: ???
==83336== by 0x2C05E8DF: ???
==83336==
==83336== Conditional jump or move depends on uninitialised value(s)
==83336== at 0x82E63F1:
QtWaylandClient::QWaylandInputDevice::Keyboard::keyboard_key(unsigned int,
unsigned int, unsigned int, unsigned int) (qwaylandinputdevice.cpp:1356)
==83336== by 0xA488055: ffi_call_unix64 (unix64.S:104)
==83336== by 0xA48469F: ffi_call_int.lto_priv.0 (ffi64.c:673)
==83336== by 0xA4874ED: ffi_call (ffi64.c:710)
==83336== by 0x8354F2D: wl_closure_invoke.constprop.0 (connection.c:1025)
==83336== by 0x83557A2: dispatch_event.isra.0 (wayland-client.c:1631)
==83336== by 0x8355A4B: UnknownInlinedFun (wayland-client.c:1777)
==83336== by 0x8355A4B: wl_display_dispatch_queue_pending
(wayland-client.c:2019)
==83336== by 0x82CCCD1: QtWaylandClient::QWaylandDisplay::flushRequests()
(qwaylanddisplay.cpp:229)
==83336== by 0x62E45A4: QObject::event(QEvent*) (qobject.cpp:1437)
==83336== by 0x5001F67: QApplicationPrivate::notify_helper(QObject*,
QEvent*) (qapplication.cpp:3296)
==83336== by 0x6291217: QCoreApplication::notifyInternal2(QObject*, QEvent*)
(qcoreapplication.cpp:1121)
==83336== by 0x6295146: QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (qcoreapplication.cpp:1901)
==83336==
==83336== Invalid read of size 8
==83336== at 0x4D983FC: QCA::PrivateKey::deriveKey(QCA::PublicKey const&)
(qca_publickey.cpp:1033)
==83336== by 0x141991: UnknownInlinedFun (kwalletfreedesktopservice.cpp:424)
==83336== by 0x141991: KWalletFreedesktopService::OpenSession(QString
const&, QDBusVariant const&, QDBusObjectPath&)
(kwalletfreedesktopservice.cpp:266)
==83336== by 0x166F42: UnknownInlinedFun
(kwalletfreedesktopserviceadaptor.cpp:63)
==83336== by 0x166F42:
KWalletFreedesktopServiceAdaptor::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (moc_kwalletfreedesktopserviceadaptor.cpp:410)
==83336== by 0x167253:
KWalletFreedesktopServiceAdaptor::qt_metacall(QMetaObject::Call, int, void**)
(moc_kwalletfreedesktopserviceadaptor.cpp:489)
==83336== by 0x5744B10: QDBusConnectionPrivate::deliverCall(QObject*, int,
QDBusMessage const&, QList<QMetaType> const&, int) (qdbusintegrator.cpp:977)
==83336== by 0x5748674: QDBusConnectionPrivate::activateCall(QObject*, int,
QDBusMessage const&) [clone .part.0] (qdbusintegrator.cpp:879)
==83336== by 0x57492C5: activateCall (qdbusintegrator.cpp:825)
==83336== by 0x57492C5:
QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&,
QDBusMessage const&, int) (qdbusintegrator.cpp:1460)
==83336== by 0x574B959: QDBusActivateObjectEvent::placeMetaCall(QObject*)
(qdbusintegrator.cpp:1580)
==83336== by 0x62E45A4: QObject::event(QEvent*) (qobject.cpp:1437)
==83336== by 0x5001F67: QApplicationPrivate::notify_helper(QObject*,
QEvent*) (qapplication.cpp:3296)
==83336== by 0x6291217: QCoreApplication::notifyInternal2(QObject*, QEvent*)
(qcoreapplication.cpp:1121)
==83336== by 0x6295146: QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (qcoreapplication.cpp:1901)
==83336== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==83336==
==83336==
==83336== Process terminating with default action of signal 11 (SIGSEGV):
dumping core
==83336== Access not within mapped region at address 0x0
==83336== at 0x4D983FC: QCA::PrivateKey::deriveKey(QCA::PublicKey const&)
(qca_publickey.cpp:1033)
==83336== by 0x141991: UnknownInlinedFun (kwalletfreedesktopservice.cpp:424)
==83336== by 0x141991: KWalletFreedesktopService::OpenSession(QString
const&, QDBusVariant const&, QDBusObjectPath&)
(kwalletfreedesktopservice.cpp:266)
==83336== by 0x166F42: UnknownInlinedFun
(kwalletfreedesktopserviceadaptor.cpp:63)
==83336== by 0x166F42:
KWalletFreedesktopServiceAdaptor::qt_static_metacall(QObject*,
QMetaObject::Call, int, void**) (moc_kwalletfreedesktopserviceadaptor.cpp:410)
==83336== by 0x167253:
KWalletFreedesktopServiceAdaptor::qt_metacall(QMetaObject::Call, int, void**)
(moc_kwalletfreedesktopserviceadaptor.cpp:489)
==83336== by 0x5744B10: QDBusConnectionPrivate::deliverCall(QObject*, int,
QDBusMessage const&, QList<QMetaType> const&, int) (qdbusintegrator.cpp:977)
==83336== by 0x5748674: QDBusConnectionPrivate::activateCall(QObject*, int,
QDBusMessage const&) [clone .part.0] (qdbusintegrator.cpp:879)
==83336== by 0x57492C5: activateCall (qdbusintegrator.cpp:825)
==83336== by 0x57492C5:
QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&,
QDBusMessage const&, int) (qdbusintegrator.cpp:1460)
==83336== by 0x574B959: QDBusActivateObjectEvent::placeMetaCall(QObject*)
(qdbusintegrator.cpp:1580)
==83336== by 0x62E45A4: QObject::event(QEvent*) (qobject.cpp:1437)
==83336== by 0x5001F67: QApplicationPrivate::notify_helper(QObject*,
QEvent*) (qapplication.cpp:3296)
==83336== by 0x6291217: QCoreApplication::notifyInternal2(QObject*, QEvent*)
(qcoreapplication.cpp:1121)
==83336== by 0x6295146: QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (qcoreapplication.cpp:1901)
==83336== If you believe this happened as a result of a stack
==83336== overflow in your program's main thread (unlikely but
==83336== possible), you can try to increase the size of the
==83336== main thread stack using the --main-stacksize= flag.
==83336== The main thread stack size used in this run was 8388608.
==83336==
==83336== HEAP SUMMARY:
==83336== in use at exit: 6,225,266 bytes in 40,139 blocks
==83336== total heap usage: 277,987 allocs, 237,848 frees, 37,477,388 bytes
allocated
==83336==
==83336== LEAK SUMMARY:
==83336== definitely lost: 512 bytes in 1 blocks
==83336== indirectly lost: 1,357 bytes in 41 blocks
==83336== possibly lost: 550,976 bytes in 65 blocks
==83336== still reachable: 5,670,405 bytes in 40,011 blocks
==83336== of which reachable via heuristic:
==83336== newarray : 10,000 bytes in 60
blocks
==83336== multipleinheritance: 2,080 bytes in 6 blocks
==83336== suppressed: 0 bytes in 0 blocks
==83336== Rerun with --leak-check=full to see details of leaked memory
==83336==
==83336== Use --track-origins=yes to see where uninitialised values come from
==83336== For lists of detected and suppressed errors, rerun with: -s
==83336== ERROR SUMMARY: 5 errors from 5 contexts (suppressed: 0 from 0)
plasmashell crashed when I ran protonvpn-app in Konsole with kwalletd6 under
valgrind which I hadn't seen before.
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