Steps to reproduce:
- Exit or CTRL+C while the “Loading wallets” pop-up is visible.
0Thread 1 "bitcoin-qt" received signal SIGSEGV, Segmentation fault.
1
2
3Thread 1 (Thread 0x7ffff5935080 (LWP 52927) "bitcoin-qt"):
4[#0](/bitcoin-core-gui/0/) 0x00007ffff78cf1ae in QObjectPrivate::addConnection(int, QObjectPrivate::Connection*) () at /lib64/libQt5Core.so.5
5[#1](/bitcoin-core-gui/1/) 0x00007ffff78d5067 in QObjectPrivate::connectImpl(QObject const*, int, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () at /lib64/libQt5Core.so.5
6[#2](/bitcoin-core-gui/2/) 0x00007ffff78d54d5 in QObject::connectImpl(QObject const*, void**, QObject const*, void**, QtPrivate::QSlotObjectBase*, Qt::ConnectionType, int const*, QMetaObject const*) () at /lib64/libQt5Core.so.5
7[#3](/bitcoin-core-gui/3/) 0x00005555556c700d in QObject::connect<void (WalletModel::*)(interfaces::WalletBalances const&), void (SendCoinsDialog::*)(interfaces::WalletBalances const&)>(QtPrivate::FunctionPointer<void (WalletModel::*)(interfaces::WalletBalances const&)>::Object const*, void (WalletModel::*)(interfaces::WalletBalances const&), QtPrivate::FunctionPointer<void (SendCoinsDialog::*)(interfaces::WalletBalances const&)>::Object const*, void (SendCoinsDialog::*)(interfaces::WalletBalances const&), Qt::ConnectionType) (sender=0x7fff28001900, signal=(void (WalletModel::*)(WalletModel * const, const interfaces::WalletBalances &)) 0x5555556c83e0 <SendCoinsDialog::setBalance(interfaces::WalletBalances const&)>, receiver=0x555556f20860, slot=(void (SendCoinsDialog::*)(SendCoinsDialog * const, const interfaces::WalletBalances &)) 0x555556e4c2c0, this adjustment 93825023925952, type=Qt::AutoConnection) at /usr/include/qt5/QtCore/qobject.h:264
8[#4](/bitcoin-core-gui/4/) SendCoinsDialog::setModel(WalletModel*) (this=0x555556f20860, _model=0x7fff28001900) at qt/sendcoinsdialog.cpp:167
9[#5](/bitcoin-core-gui/5/) 0x000055555568726a in WalletView::WalletView(WalletModel*, PlatformStyle const*, QWidget*) (this=0x555556650360, wallet_model=<optimized out>, _platformStyle=<optimized out>, parent=<optimized out>) at qt/walletview.cpp:65
10[#6](/bitcoin-core-gui/6/) 0x000055555560321a in BitcoinGUI::addWallet(WalletModel*) (this=0x555556fde0e0, walletModel=0x7fff28001900) at qt/bitcoingui.cpp:697
11[#7](/bitcoin-core-gui/7/) 0x0000555555609c22 in _ZZN7GUIUtil20ExceptionSafeConnectIP16WalletControllerMS1_FvP11WalletModelEP10BitcoinGUIMS7_FvS4_EEEDaT_T0_T1_T2_N2Qt14ConnectionTypeEENKUlDpOT_E_clIJRS4_EEEDaSJ_ (this=0x5555566cebd0, args=<optimized out>) at ./qt/guiutil.h:400
12[#8](/bitcoin-core-gui/8/) 0x0000555555609bc0 in _ZN9QtPrivate11FunctorCallINS_11IndexesListIJLi0EEEENS_4ListIJP11WalletModelEEEvZN7GUIUtil20ExceptionSafeConnectIP16WalletControllerMS9_FvS5_EP10BitcoinGUIMSD_FvS5_EEEDaT_T0_T1_T2_N2Qt14ConnectionTypeEEUlDpOT_E_E4callERSQ_PPv (f=..., arg=0x5) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:146
13[#9](/bitcoin-core-gui/9/) _ZN9QtPrivate7FunctorIZN7GUIUtil20ExceptionSafeConnectIP16WalletControllerMS3_FvP11WalletModelEP10BitcoinGUIMS9_FvS6_EEEDaT_T0_T1_T2_N2Qt14ConnectionTypeEEUlDpOT_E_Li1EE4callINS_4ListIJS6_EEEvEEvRSM_PvPSS_ (f=..., arg=0x5) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:256
14[#10](/bitcoin-core-gui/10/) _ZN9QtPrivate18QFunctorSlotObjectIZN7GUIUtil20ExceptionSafeConnectIP16WalletControllerMS3_FvP11WalletModelEP10BitcoinGUIMS9_FvS6_EEEDaT_T0_T1_T2_N2Qt14ConnectionTypeEEUlDpOT_E_Li1ENS_4ListIJS6_EEEvE4implEiPNS_15QSlotObjectBaseEP7QObjectPPvPb (which=<optimized out>, this_=<optimized out>, r=0x555557728670, a=0x5, ret=0x7fffffffcd18) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:443
15[#11](/bitcoin-core-gui/11/) 0x00007ffff78d2ec4 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
16[#12](/bitcoin-core-gui/12/) 0x00007ffff6faed12 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
17[#13](/bitcoin-core-gui/13/) 0x00007ffff78a8278 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
18[#14](/bitcoin-core-gui/14/) 0x00007ffff78ab5e4 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
19[#15](/bitcoin-core-gui/15/) 0x00007ffff78f9897 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
20[#16](/bitcoin-core-gui/16/) 0x00007ffff5266cbf in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
21[#17](/bitcoin-core-gui/17/) 0x00007ffff52bc598 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
22[#18](/bitcoin-core-gui/18/) 0x00007ffff5263f40 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
23[#19](/bitcoin-core-gui/19/) 0x00007ffff78f938a in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
24[#20](/bitcoin-core-gui/20/) 0x00007ffff78a6cca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
25[#21](/bitcoin-core-gui/21/) 0x00007ffff78aed92 in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
26[#22](/bitcoin-core-gui/22/) 0x00005555555f25fd in GuiMain(int, char**) (argc=<optimized out>, argv=<optimized out>) at qt/bitcoin.cpp:697
27[#23](/bitcoin-core-gui/23/) 0x00005555555ecc4a in main(int, char**) (argc=-67945086, argv=0x3) at qt/main.cpp:24
