[pkg-lxqt-devel] Bug#905967: screengrab: Segfaults when save is selected

Helge Kreutzmann debian at helgefjell.de
Sun Aug 12 15:13:19 BST 2018 

Package: screengrab
Version: 1.98-1
Severity: important

I can make a screenshot just fine, but when I save it screengrab
segfaults. I rebuilt it locally and installed the dbgsym package and
run it under gdb:

(gdb) run
Starting program: /usr/bin/screengrab 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffec821700 (LWP 14188)]
[New Thread 0x7fffe7515700 (LWP 14189)]
[New Thread 0x7fffdc1be700 (LWP 14190)]
[New Thread 0x7fffdb87c700 (LWP 14191)]
[New Thread 0x7fffdb07b700 (LWP 14192)]
[New Thread 0x7fffda87a700 (LWP 14193)]
[New Thread 0x7fffda079700 (LWP 14194)]
[New Thread 0x7fffd9878700 (LWP 14195)]
[New Thread 0x7fffd9077700 (LWP 14196)]

Thread 1 "screengrab" received signal SIGSEGV, Segmentation fault.
0x0000555555597558 in MainWindow::saveScreen() ()
#0  0x0000555555597558 in MainWindow::saveScreen() ()
No symbol table info available.
#1  0x00007ffff5afb2af in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#2  0x00007ffff6a26e52 in QAction::triggered(bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#3  0x00007ffff6a2959c in QAction::activate(QAction::ActionEvent) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#4  0x00007ffff6b200fb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#5  0x00007ffff6b2035d in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#6  0x00007ffff6c014ba in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#7  0x00007ffff6a6c378 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#8  0x00007ffff6c01554 in QToolButton::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#9  0x00007ffff6a2d6cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#10 0x00007ffff6a353df in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#11 0x00007ffff5acb938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#12 0x00007ffff6a343b2 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#13 0x00007ffff6a874d3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#14 0x00007ffff6a89b09 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#15 0x00007ffff6a2d6cc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#16 0x00007ffff6a34e84 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
No symbol table info available.
#17 0x00007ffff5acb938 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#18 0x00007ffff6037603 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#19 0x00007ffff60390d5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#20 0x00007ffff601103b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
No symbol table info available.
#21 0x00007fffef04e2cb in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
No symbol table info available.
#22 0x00007ffff5ac9b6a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#23 0x00007ffff5ad2ed4 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#24 0x000055555557201c in main ()
No symbol table info available.


-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.17.10samd.01 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to de_DE.UTF-8), LANGUAGE=de_DE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to de_DE.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages screengrab depends on:
ii  libc6                2.27-5
ii  libgcc1              1:8.2.0-3
ii  libkf5windowsystem5  5.47.0-1
ii  libqt5core5a         5.10.1+dfsg-7
ii  libqt5dbus5          5.10.1+dfsg-7
ii  libqt5gui5           5.10.1+dfsg-7
ii  libqt5network5       5.10.1+dfsg-7
ii  libqt5widgets5       5.10.1+dfsg-7
ii  libqt5x11extras5     5.10.1-2
ii  libqt5xdg3           3.2.0-2
ii  libstdc++6           8.2.0-3
ii  libx11-xcb1          2:1.6.5-1
ii  libxcb-xfixes0       1.13-2

screengrab recommends no packages.

screengrab suggests no packages.

-- no debconf information

-- 
      Dr. Helge Kreutzmann                     debian at helgefjell.de
           Dipl.-Phys.                   http://www.helgefjell.de/debian.php
        64bit GNU powered                     gpg signed mail preferred
           Help keep free software "libre": http://www.ffii.de/
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