[Konsole-devel] [konsole] [Bug 357180] New: Segfault after trying to select unreadably small text in konsole 15.12

Sat Dec 26 16:42:53 UTC 2015

https://bugs.kde.org/show_bug.cgi?id=357180

            Bug ID: 357180
           Summary: Segfault after trying to select unreadably small text
                    in konsole 15.12
           Product: konsole
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: paul at konecny.at

Application: konsole (15.12.0)

Qt Version: 5.5.1
Operating System: Linux 4.2.5-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
Trying to select any text because after a recent Arch update I can only see
very small white dots isntead of text.
- Unusual behavior I noticed:
The unreadably small (?) text. I can't even resize it. Trying to select
anything with the mouse causes this segfault. See attached screencast.
- Custom settings of the application:
None that I know of.

The crash can be reproduced every time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f8107d1e840 (LWP 3912))]

Thread 2 (Thread 0x7f80fc358700 (LWP 3914)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f80ff9b6b33 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007f80ff9b6287 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007f8112f664a4 in start_thread (arg=0x7f80fc358700) at
pthread_create.c:334
#4  0x00007f811ac5113d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8107d1e840 (LWP 3912)):
[KCrash Handler]
#5  0x00007f811a8c4d6c in Konsole::Screen::copyLineToStream
(this=this at entry=0xbe79a0, line=line at entry=594, start=0, count=1658,
count at entry=-1, decoder=decoder at entry=0x7ffc0a24ac00,
appendNewLine=appendNewLine at entry=true, preserveLineBreaks=true,
trimTrailingSpaces=false) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/Screen.cpp:1273
#6  0x00007f811a8c51b1 in Konsole::Screen::writeToStream
(this=this at entry=0xbe79a0, decoder=decoder at entry=0x7ffc0a24ac00,
startIndex=startIndex at entry=984175, endIndex=endIndex at entry=987495,
preserveLineBreaks=preserveLineBreaks at entry=true,
trimTrailingSpaces=trimTrailingSpaces at entry=false) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/Screen.cpp:1184
#7  0x00007f811a8c5ef0 in Konsole::Screen::text (this=0xbe79a0,
startIndex=984175, endIndex=987495,
preserveLineBreaks=preserveLineBreaks at entry=true,
trimTrailingSpaces=trimTrailingSpaces at entry=false, html=false) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/Screen.cpp:1137
#8  0x00007f811a8c5fba in Konsole::Screen::selectedText (this=<optimized out>,
preserveLineBreaks=preserveLineBreaks at entry=true,
trimTrailingSpaces=trimTrailingSpaces at entry=false, html=html at entry=false) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/Screen.cpp:1115
#9  0x00007f811a8929cf in Konsole::Emulation::checkSelectedText (this=0xc15380)
at /home/paul/rebuild/konsole/src/konsole-15.12.0/src/Emulation.cpp:98
#10 0x00007f81177231a7 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#11 0x00007f811a8f55d6 in Konsole::TerminalDisplay::extendSelection
(this=this at entry=0xdaf400, position=...) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/TerminalDisplay.cpp:2295
#12 0x00007f811a8f29ea in Konsole::TerminalDisplay::mouseMoveEvent
(this=0xdaf400, ev=0x7ffc0a24b3a0) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/TerminalDisplay.cpp:2134
#13 0x00007f811802a9c8 in QWidget::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#14 0x00007f811a8f975a in Konsole::TerminalDisplay::event (this=0xdaf400,
event=0x7ffc0a24b3a0) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/TerminalDisplay.cpp:3151
#15 0x00007f8117fe79ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#16 0x00007f8117fed589 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#17 0x00007f81176f4bab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#18 0x00007f8117fec492 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from
/usr/lib/libQt5Widgets.so.5
#19 0x00007f8118044f3b in ?? () from /usr/lib/libQt5Widgets.so.5
#20 0x00007f81180474fb in ?? () from /usr/lib/libQt5Widgets.so.5
#21 0x00007f8117fe79ac in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#22 0x00007f8117fece86 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#23 0x00007f81176f4bab in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#24 0x00007f8117a355f1 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /usr/lib/libQt5Gui.so.5
#25 0x00007f8117a372b5 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() from /usr/lib/libQt5Gui.so.5
#26 0x00007f8117a1c6d8 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQt5Gui.so.5
#27 0x00007f81078bd8c0 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#28 0x00007f8112832dc7 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#29 0x00007f8112833020 in ?? () from /usr/lib/libglib-2.0.so.0
#30 0x00007f81128330cc in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#31 0x00007f811774b54f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#32 0x00007f81176f257a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#33 0x00007f81176fa53c in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#34 0x00007f811af3554c in kdemain (argc=1, argv=0x7ffc0a24bda8) at
/home/paul/rebuild/konsole/src/konsole-15.12.0/src/main.cpp:125
#35 0x00007f811ab88610 in __libc_start_main (main=0x400750 <main(int, char**)>,
argc=1, argv=0x7ffc0a24bda8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc0a24bd98) at libc-start.c:289
#36 0x0000000000400789 in _start () at ../sysdeps/x86_64/start.S:118

Possible duplicates by query: bug 330066.

Reported using DrKonqi

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