https://bugs.kde.org/show_bug.cgi?id=482819
--- Comment #10 from Matt Fagnani <matt.fagn...@bell.net> --- My kwallet is opened automatically when I log in to Plasma with the same password. You could try installing GNOME 46.0 in your Fedora 40 installation as I have in case there's something from GNOME that's involved and running seahorse, evince, and GNOME disks in Plasma as I described. I tried running kwalletd6 under valgrind a week ago, but I only stopped kwalletd6 once before running it under valgrind so kwalletd6 kept restarting automatically and I didn't get it to crash under valgrind then. I followed your instructions. The valgrind report showed an invalid read and a crash due to a null pointer dereference in QCA::PrivateKey::deriveKey at the same line as in the gdb trace I reported originally, which I guess was the null d pointer in the variable this from privateKey in KWalletFreedesktopService::createSessionAlgorithmDhAes. ==121563== Memcheck, a memory error detector ==121563== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al. ==121563== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info ==121563== Command: /usr/bin/kwalletd6 ==121563== Parent PID: 119206 ==121563== ==121563== Conditional jump or move depends on uninitialised value(s) ==121563== at 0x2BDA8B18: ??? ==121563== by 0x2C05E13F: ??? ==121563== ==121563== Conditional jump or move depends on uninitialised value(s) ==121563== at 0x82E63F1: QtWaylandClient::QWaylandInputDevice::Keyboard::keyboard_key(unsigned int, unsigned int, unsigned int, unsigned int) (qwaylandinputdevice.cpp:1356) ==121563== by 0xA488055: ffi_call_unix64 (unix64.S:104) ==121563== by 0xA48469F: ffi_call_int.lto_priv.0 (ffi64.c:673) ==121563== by 0xA4874ED: ffi_call (ffi64.c:710) ==121563== by 0x8354F2D: wl_closure_invoke.constprop.0 (connection.c:1025) ==121563== by 0x83557A2: dispatch_event.isra.0 (wayland-client.c:1631) ==121563== by 0x8355A4B: UnknownInlinedFun (wayland-client.c:1777) ==121563== by 0x8355A4B: wl_display_dispatch_queue_pending (wayland-client.c:2019) ==121563== by 0x82CCCD1: QtWaylandClient::QWaylandDisplay::flushRequests() (qwaylanddisplay.cpp:229) ==121563== by 0x62E45A4: QObject::event(QEvent*) (qobject.cpp:1437) ==121563== by 0x5001F67: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:3296) ==121563== by 0x6291217: QCoreApplication::notifyInternal2(QObject*, QEvent*) (qcoreapplication.cpp:1121) ==121563== by 0x6295146: QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (qcoreapplication.cpp:1901) ==121563== ==121563== Invalid read of size 8 ==121563== at 0x4D981DC: QCA::PrivateKey::deriveKey(QCA::PublicKey const&) (qca_publickey.cpp:1030) ==121563== by 0x141991: UnknownInlinedFun (kwalletfreedesktopservice.cpp:424) ==121563== by 0x141991: KWalletFreedesktopService::OpenSession(QString const&, QDBusVariant const&, QDBusObjectPath&) (kwalletfreedesktopservice.cpp:266) ==121563== by 0x166F42: UnknownInlinedFun (kwalletfreedesktopserviceadaptor.cpp:63) ==121563== by 0x166F42: KWalletFreedesktopServiceAdaptor::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (moc_kwalletfreedesktopserviceadaptor.cpp:410) ==121563== by 0x167253: KWalletFreedesktopServiceAdaptor::qt_metacall(QMetaObject::Call, int, void**) (moc_kwalletfreedesktopserviceadaptor.cpp:489) ==121563== by 0x5744B10: QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<QMetaType> const&, int) (qdbusintegrator.cpp:977) ==121563== by 0x5748674: QDBusConnectionPrivate::activateCall(QObject*, int, QDBusMessage const&) [clone .part.0] (qdbusintegrator.cpp:879) ==121563== by 0x57492C5: activateCall (qdbusintegrator.cpp:825) ==121563== by 0x57492C5: QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&, QDBusMessage const&, int) (qdbusintegrator.cpp:1460) ==121563== by 0x574B959: QDBusActivateObjectEvent::placeMetaCall(QObject*) (qdbusintegrator.cpp:1580) ==121563== by 0x62E45A4: QObject::event(QEvent*) (qobject.cpp:1437) ==121563== by 0x5001F67: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:3296) ==121563== by 0x6291217: QCoreApplication::notifyInternal2(QObject*, QEvent*) (qcoreapplication.cpp:1121) ==121563== by 0x6295146: QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (qcoreapplication.cpp:1901) ==121563== Address 0x0 is not stack'd, malloc'd or (recently) free'd ==121563== ==121563== ==121563== Process terminating with default action of signal 11 (SIGSEGV): dumping core ==121563== Access not within mapped region at address 0x0 ==121563== at 0x4D981DC: QCA::PrivateKey::deriveKey(QCA::PublicKey const&) (qca_publickey.cpp:1030) ==121563== by 0x141991: UnknownInlinedFun (kwalletfreedesktopservice.cpp:424) ==121563== by 0x141991: KWalletFreedesktopService::OpenSession(QString const&, QDBusVariant const&, QDBusObjectPath&) (kwalletfreedesktopservice.cpp:266) ==121563== by 0x166F42: UnknownInlinedFun (kwalletfreedesktopserviceadaptor.cpp:63) ==121563== by 0x166F42: KWalletFreedesktopServiceAdaptor::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (moc_kwalletfreedesktopserviceadaptor.cpp:410) ==121563== by 0x167253: KWalletFreedesktopServiceAdaptor::qt_metacall(QMetaObject::Call, int, void**) (moc_kwalletfreedesktopserviceadaptor.cpp:489) ==121563== by 0x5744B10: QDBusConnectionPrivate::deliverCall(QObject*, int, QDBusMessage const&, QList<QMetaType> const&, int) (qdbusintegrator.cpp:977) ==121563== by 0x5748674: QDBusConnectionPrivate::activateCall(QObject*, int, QDBusMessage const&) [clone .part.0] (qdbusintegrator.cpp:879) ==121563== by 0x57492C5: activateCall (qdbusintegrator.cpp:825) ==121563== by 0x57492C5: QDBusConnectionPrivate::activateObject(QDBusConnectionPrivate::ObjectTreeNode&, QDBusMessage const&, int) (qdbusintegrator.cpp:1460) ==121563== by 0x574B959: QDBusActivateObjectEvent::placeMetaCall(QObject*) (qdbusintegrator.cpp:1580) ==121563== by 0x62E45A4: QObject::event(QEvent*) (qobject.cpp:1437) ==121563== by 0x5001F67: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:3296) ==121563== by 0x6291217: QCoreApplication::notifyInternal2(QObject*, QEvent*) (qcoreapplication.cpp:1121) ==121563== by 0x6295146: QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (qcoreapplication.cpp:1901) ==121563== If you believe this happened as a result of a stack ==121563== overflow in your program's main thread (unlikely but ==121563== possible), you can try to increase the size of the ==121563== main thread stack using the --main-stacksize= flag. ==121563== The main thread stack size used in this run was 8388608. ==121563== ==121563== HEAP SUMMARY: ==121563== in use at exit: 6,227,189 bytes in 40,136 blocks ==121563== total heap usage: 277,504 allocs, 237,368 frees, 37,114,729 bytes allocated ==121563== ==121563== LEAK SUMMARY: ==121563== definitely lost: 512 bytes in 1 blocks ==121563== indirectly lost: 1,357 bytes in 41 blocks ==121563== possibly lost: 550,976 bytes in 65 blocks ==121563== still reachable: 5,672,328 bytes in 40,008 blocks ==121563== of which reachable via heuristic: ==121563== newarray : 10,000 bytes in 60 blocks ==121563== multipleinheritance: 2,080 bytes in 6 blocks ==121563== suppressed: 0 bytes in 0 blocks ==121563== Rerun with --leak-check=full to see details of leaked memory ==121563== ==121563== Use --track-origins=yes to see where uninitialised values come from ==121563== For lists of detected and suppressed errors, rerun with: -s ==121563== ERROR SUMMARY: 3 errors from 3 contexts (suppressed: 0 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