Starting program: src/Iaito /bin/ls
r_config_set: variable 'cfg.fortunes.tts' not found
QRCore::tryFile: Cannot open file?
QMetaObject::connectSlotsByName: No matching signal for on_backButton_clicked()
BITS 64
[x] Analyze all flags starting with sym. and entry0 (aa)
[x] Analyze len bytes of instructions for references (aar)
[x] Analyze function calls (aac)
[ ] [*] Use -AA or aaaa to perform additional experimental analysis.
[x] Constructing a function name for fcn.* and sym.func.* functions (aan))
[Thread 0x7fff6bfff700 (LWP 20768) exited]
Cannot open project info (/home/xxx/.config/radare2/projects/ls)
Cannot retrieve information for project '/home/xxx/.config/radare2/projects/ls'

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff450633f in QString::append(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
(gdb) back 5
#0  0x00007ffff450633f in QString::append(QString const&) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x0000000000471821 in MemoryWidget::fillOffsetInfo(QString) ()
#2  0x00000000004791f8 in MemoryWidget::on_disasTextEdit_2_cursorPositionChanged() ()
#3  0x00000000004a1e43 in MemoryWidget::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) ()
#4  0x00000000004a2a83 in MemoryWidget::qt_metacall(QMetaObject::Call, int, void**) ()
(More stack frames follow...)