Bug 122110

Summary:	kwordquiz crashes with SIGSEGV
Product:	[Applications] kwordquiz	Reporter:	Grzegorz Oledzki <grzegon>
Component:	general	Assignee:	Peter Hedlund <peter>
Status:	RESOLVED FIXED
Severity:	crash
Priority:	NOR
Version First Reported In:	unspecified
Target Milestone:	---
Platform:	Ubuntu
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description Grzegorz Oledzki 2006-02-16 16:30:21 UTC

Version:            (using KDE KDE 3.5.1)
Installed from:    Ubuntu Packages
OS:                Linux

Step to reproduce:
1. Load any file with File|Open.
2. Go to Q&A with Go To|Question&Answer.
3. Go back to editing with Go To|Editor.
4. It crashes before (?) showing the editor window.

It shows up the "The KDE crash handler" window with description:
"The application KWordQuiz (kwordquiz) crashed and caused the signal 11 (SIGSEGV)."

# uname -srvmpio
Linux 2.6.15-15-amd64-generic #1 SMP PREEMPT Thu Feb 9 19:40:51 UTC 2006 x86_64 unknown unknown GNU/Linux

the back trace is:
------------------------------ back trace ----------------------------------
(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread 46912573775360 (LWP 5802)]
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0x00002aaaaefe3752 in nanosleep () from /lib/libc.so.6
#0  0x00002aaaaefe3752 in nanosleep () from /lib/libc.so.6
#1  0x00002aaaaefe35f0 in sleep () from /lib/libc.so.6
#2  0x00002aaaabd2ab45 in KCrash::startDrKonqi ()
   from /usr/lib/libkdecore.so.4
#3  0x00002aaaabd508ec in KCrash::defaultCrashHandler ()
   from /usr/lib/libkdecore.so.4
#4  0x00002aaaaef821b0 in killpg () from /lib/libc.so.6
#5  0x0000000000000000 in ?? ()

Comment 1 Peter Hedlund 2006-02-17 03:26:19 UTC

SVN commit 510363 by hedlund:

Don't crash when switching back to editor.

Distros affected by this bug: PCLinuxOS and Ubuntu.
Distros not affected include Slackware and Gentoo.

BUG:122110

 M  +1 -0      qaview.cpp  


--- branches/KDE/3.5/kdeedu/kwordquiz/src/qaview.cpp #510362:510363
@@ -65,6 +65,7 @@
 
 QAView::~QAView()
 {
+  delete txtAnswer; //Fixes #122110 on PCLOS and Ubuntu
 }
 
 void QAView::setQuiz(WQQuiz *quiz)