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Bug 357

Summary: kdemenuedit crashes during icon assignment
Product: TDE Reporter: Marcin Wilk <m.wilk>
Component: tdebaseAssignee: Timothy Pearson <kb9vqf>
Status: RESOLVED FIXED    
Severity: major CC: albator78, bugwatch, darrella, kb9vqf
Priority: P3    
Version: 3.5.12 [Trinity]   
Hardware: i386   
OS: Kubuntu Lucid   
Compiler Version: TDE Version String: TDE 3.5.12
Application Version: Application Name: kdemenuedit
Attachments: TDE 3.5.13.2 : Missing icon in start menu

Description Marcin Wilk 2010-10-08 15:08:29 CDT 
kdemenuedit crashes when user likes to assigne icon to menu entry

how to reproduce bug:

1. edit kde menu
2. enter icon browser menu
3. type name of icon in search bar
4. when user trays to delete it kdemenuedit crashes
Comment 1 Francois Andriot 2013-04-06 17:32:36 CDT 
Created attachment 1132 [details]
TDE 3.5.13.2 : Missing icon in start menu

OK I've reproduced this in 3.5.13.2, in openSUSE 12.2 .

Initial case: I have a top-level category in start menu that have an invalid icon, so there is no icon displayed at all for this category (see attached picture).
I want to fix the icon, so I open kmenuedit

In kmenuedit, I select the category with missing icon.
In the right pane, I click on the big icon to open the icon selector.
In the icon selector window, I type any string in the search field, so that icons are filtered in the list. It works.
Then I erase the text in search field, by pressing backspace several times.

When the search field gets empty (no more filter), kmenuedit crashes with SEGV.

Backtrace:

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
[KCrash handler]
#6  0xb678d363 in KIconViewSearchLine::updateSearch(QString const&) () from /opt/trinity/lib/libkdeui.so.4
#7  0xb678ddac in KIconViewSearchLine::activateSearch() () from /opt/trinity/lib/libkdeui.so.4
#8  0xb678e0b0 in KIconViewSearchLine::qt_invoke(int, QUObject*) () from /opt/trinity/lib/libkdeui.so.4
#9  0xb724450c in QObject::activate_signal(QConnectionList*, QUObject*) () from /usr/lib/libqt-mt.so.3
#10 0xb7529b2e in QSignal::signal(QVariant const&) () from /usr/lib/libqt-mt.so.3
#11 0xb725bcf9 in QSignal::activate() () from /usr/lib/libqt-mt.so.3
#12 0xb7261cd4 in QSingleShotTimer::event(QEvent*) () from /usr/lib/libqt-mt.so.3
#13 0xb71ec640 in QApplication::internalNotify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3
#14 0xb71ec8e7 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3
#15 0xb616e9a4 in KApplication::notify(QObject*, QEvent*) () from /opt/trinity/lib/libkdecore.so.4
#16 0xb71e2063 in QEventLoop::activateTimers() () from /usr/lib/libqt-mt.so.3
#17 0xb71a04d8 in QEventLoop::processEvents(unsigned int) () from /usr/lib/libqt-mt.so.3
#18 0xb72005b0 in QEventLoop::enterLoop() () from /usr/lib/libqt-mt.so.3
#19 0xb7200504 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3
#20 0xb71ed24c in QApplication::exec() () from /usr/lib/libqt-mt.so.3
#21 0xb7747a66 in kdemain () from /opt/trinity/lib/libkdeinit_kmenuedit.so
#22 0x080486f7 in main ()
Comment 2 Timothy Pearson 2013-04-06 18:14:55 CDT 
Can you install the tdelibs debug symbols, then regenerate the backtrace?

Thanks!
Comment 3 Francois Andriot 2013-04-07 05:02:02 CDT 
Here is a gdb backtrace with debug symbols installed:

#0  0xb6fe2363 in KIconViewSearchLine::updateSearch(QString const&) () from /opt/trinity/lib/libkdeui.so.4
#1  0xb6fe2dac in KIconViewSearchLine::activateSearch() () from /opt/trinity/lib/libkdeui.so.4
#2  0xb6fe30b0 in KIconViewSearchLine::qt_invoke(int, QUObject*) () from /opt/trinity/lib/libkdeui.so.4
#3  0xb7a9950c in QObject::activate_signal (this=0x8150dc8, clist=0x82b40e8, o=0xbfffea18) at kernel/qobject.cpp:2383
#4  0xb7d7eb2e in QSignal::signal (this=0x8150dc8, t0=...) at .moc/release-shared-mt/moc_qsignal.cpp:100
#5  0xb7ab0cf9 in QSignal::activate (this=0x8150dc8) at kernel/qsignal.cpp:215
#6  0xb7ab6cd4 in QSingleShotTimer::event (this=0x8150da0) at kernel/qtimer.cpp:289
#7  0xb7a41640 in internalNotify (e=0xbfffecc0, receiver=0x8150da0, this=<optimized out>) at kernel/qapplication.cpp:2639
#8  QApplication::internalNotify (this=0xbfffef24, receiver=0x8150da0, e=0xbfffecc0) at kernel/qapplication.cpp:2565
#9  0xb7a418e7 in QApplication::notify (this=0xbfffef24, receiver=0x8150da0, e=0xbfffecc0) at kernel/qapplication.cpp:2362
#10 0xb69c39a4 in KApplication::notify(QObject*, QEvent*) () from /opt/trinity/lib/libkdecore.so.4
#11 0xb7a37063 in sendEvent (event=0xbfffecc0, receiver=<optimized out>) at kernel/qapplication.h:523
#12 QEventLoop::activateTimers (this=0x808b2e8) at kernel/qeventloop_unix.cpp:588
#13 0xb79f54d8 in QEventLoop::processEvents (this=0x808b2e8, flags=4) at kernel/qeventloop_x11.cpp:392
#14 0xb7a555b0 in QEventLoop::enterLoop (this=0x808b2e8) at kernel/qeventloop.cpp:201
#15 0xb7a55504 in QEventLoop::exec (this=0x808b2e8) at kernel/qeventloop.cpp:148
#16 0xb7a4224c in QApplication::exec (this=0xbfffef24) at kernel/qapplication.cpp:2762
#17 0xb7f9ca66 in kdemain () from /opt/trinity/lib/libkdeinit_kmenuedit.so
#18 0x080486f7 in main ()
Comment 4 Francois Andriot 2013-04-07 05:32:18 CDT 
Grrr it looks like I'm having troubles generating debug informations under opensuse, I will try to reproduce the bug in another distribution.
Comment 5 Francois Andriot 2013-04-07 12:47:36 CDT 
Finally, I've managed to get a backtrace with tdelibs debug informations.

This is happening on openSUSE 12.2. Unlike what I thought before, it is not related to missing/incorrect icons. It happens on any item in kmenuedit, even when everything is correctly configured.
I cannot reproduce this on the other distro I tried (CentOS 6).


[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".
[KCrash handler]
#6  KIconViewSearchLine::updateSearch (this=0x91d7630, s=...) at /usr/src/debug/trinity-tdelibs-3.5.13.2/kdeui/kiconviewsearchline.cpp:125
#7  0xb677d51a in KIconViewSearchLine::activateSearch (this=this@entry=0x91d7630) at /usr/src/debug/trinity-tdelibs-3.5.13.2/kdeui/kiconviewsearchline.cpp:291
#8  0xb677de50 in KIconViewSearchLine::qt_invoke (this=0x91d7630, _id=92, _o=0xbfcbb818) at /usr/src/debug/trinity-tdelibs-3.5.13.2/build/kdeui/kiconviewsearchline.moc:120
#9  0xb71f250c in QObject::activate_signal (this=0x90af728, clist=0x93f7928, o=0xbfcbb818) at kernel/qobject.cpp:2383
#10 0xb74d7b2e in QSignal::signal (this=0x90af728, t0=...) at .moc/release-shared-mt/moc_qsignal.cpp:100
#11 0xb7209cf9 in QSignal::activate (this=0x90af728) at kernel/qsignal.cpp:215
#12 0xb720fcd4 in QSingleShotTimer::event (this=0x90af700) at kernel/qtimer.cpp:289
#13 0xb719a640 in internalNotify (e=0xbfcbba90, receiver=0x90af700, this=<optimized out>) at kernel/qapplication.cpp:2639
#14 QApplication::internalNotify (this=0xbfcbbd10, receiver=0x90af700, e=0xbfcbba90) at kernel/qapplication.cpp:2565
#15 0xb719a8e7 in QApplication::notify (this=0xbfcbbd10, receiver=0x90af700, e=0xbfcbba90) at kernel/qapplication.cpp:2362
#16 0xb61a2e61 in KApplication::notify (this=0xbfcbbd10, receiver=0x90af700, event=0xbfcbba90) at /usr/src/debug/trinity-tdelibs-3.5.13.2/kdecore/kapplication.cpp:582
#17 0xb7190063 in sendEvent (event=0xbfcbba90, receiver=<optimized out>) at kernel/qapplication.h:523
#18 QEventLoop::activateTimers (this=0x8ff8330) at kernel/qeventloop_unix.cpp:588
#19 0xb714e4d8 in QEventLoop::processEvents (this=0x8ff8330, flags=4) at kernel/qeventloop_x11.cpp:392
#20 0xb71ae5b0 in QEventLoop::enterLoop (this=0x8ff8330) at kernel/qeventloop.cpp:201
#21 0xb71ae504 in QEventLoop::exec (this=0x8ff8330) at kernel/qeventloop.cpp:148
#22 0xb719b24c in QApplication::exec (this=0xbfcbbd10) at kernel/qapplication.cpp:2762
#23 0xb76ef675 in kdemain (argc=2, argv=0xbfcbbed4) at /usr/src/debug/trinity-tdebase-3.5.13.2/kmenuedit/main.cpp:87
#24 0x0804860b in main (argc=2, argv=0xbfcbbed4) at /usr/src/debug/trinity-tdebase-3.5.13.2/build/kmenuedit/kmenuedit_kdeinit_executable.cpp:2
Comment 6 Darrell 2013-05-22 22:35:39 CDT 
I cannot duplicate this bug in GIT (2013-05-22). Pressing Backspace until the text box is empty does not result in a crash. Nothing happens. No crash either when using the Clear widget to remove the text from the text box.
Comment 7 Francois Andriot 2013-05-22 23:55:30 CDT 
I will try to reproduce this soon, BUT It was caused when having invalid "KDEDIRS=/usr" variable set by older "startkde" script version, and KDE4 was installed under /usr.
The crash has vanished when setting KDEDIRS="/opt/trinity:/usr" .

Still, it's a crash and should not occur even when using "/usr" icons from KDE4.
Comment 8 Darrell 2013-08-17 18:18:12 CDT 
Francois, is this report still valid?
Comment 9 Francois Andriot 2013-08-18 02:01:23 CDT 
No, it is workarounded since we have renamed "applications.menu" to "tde-applications.menu".
Comment 10 Darrell 2013-08-18 08:00:11 CDT 
Tagging as resolved. Refer to git commit 5da63fe9 2013-07-31 in support of bug report 1563 for the resolution.

Thanks for reporting and helping!