Bug 346900

Summary: floating point exception if folder in testing area is dropped onto itself twice
Product: [Applications] systemsettings Reporter: Patrick Auernig <patrick.auernig>
Component: kcm_touchpadAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED FIXED    
Severity: minor CC: jerry_zapper, lossius30, patrick.auernig, rajeeshknambiar, sandarce, thomas.pasch, vicr12345
Priority: NOR    
Version: 5.17.5   
Target Milestone: ---   
Platform: Arch Linux   
OS: Linux   
Latest Commit: https://commits.kde.org/plasma-desktop/5c3b8c7afa4a00fccd820d1a34975b0791cda257 Version Fixed In: 5.10.3
Attachments: gdb backtrace

Description Patrick Auernig 2015-04-29 12:42:13 UTC 
If I drag the folder named "Drag Me"  in the testing area and drop it on itself two times,
the application crashes with a floating point exception.



Reproducible: Always

Steps to Reproduce:
1. start the control module via kcmshell5 kcm_touchpad or systemsettings
2. use the testing area

Actual Results:  
Console output:

kf5.kservice.sycoca: Trying to open ksycoca from "/home/valeth/.xdg/cache/ksycoca5"
Width:  3540  height:  2824
Approx. resX:  39  resY:  56
Touchpad resolution: x:  42  y:  68
Final resolution x: 42  y: 68

# drag and drop once
Trying to construct an instance of an invalid type, type id: 6684783
Trying to construct an instance of an invalid type, type id: 6357095
Trying to construct an instance of an invalid type, type id: 620756992

# drag and drop a second time
Trying to construct an instance of an invalid type, type id: 6684783
Trying to construct an instance of an invalid type, type id: 6357095
Trying to construct an instance of an invalid type, type id: 620756992
Trying to construct an instance of an invalid type, type id: 2561
Trying to construct an instance of an invalid type, type id: 67138048
Trying to construct an instance of an invalid type, type id: 7143424

# crash
[1]    24855 floating point exception (core dumped)  kcmshell5 kcm_touchpad
Comment 1 Patrick Auernig 2015-04-29 12:52:22 UTC 
Created attachment 92324 [details]
gdb backtrace
Comment 2 Rajeesh K V 2015-04-29 18:49:14 UTC 
Thanks for the report, I can reproduce it.
Unfortunately, the trace looks all related to standard Qt code. Couldn't see anything specific from kcm_touchpad code. Will keep investigating.
Comment 3 Rajeesh K V 2015-05-03 07:42:30 UTC 
*** Bug 347070 has been marked as a duplicate of this bug. ***
Comment 4 Christoph Feck 2015-08-02 09:38:45 UTC 
*** Bug 350859 has been marked as a duplicate of this bug. ***
Comment 5 Christoph Feck 2015-10-10 22:09:01 UTC 
*** Bug 353699 has been marked as a duplicate of this bug. ***
Comment 6 Rajeesh K V 2016-07-28 04:25:09 UTC 
*** Bug 366113 has been marked as a duplicate of this bug. ***
Comment 7 Christoph Feck 2017-06-22 16:31:56 UTC 
Git commit 5c3b8c7afa4a00fccd820d1a34975b0791cda257 by Christoph Feck.
Committed on 22/06/2017 at 16:29.
Pushed by cfeck into branch 'Plasma/5.10'.

Fix crashes with 'Drag me' in touchpad test area
Related: bug 366113
FIXED-IN: 5.10.3

Differential Revision: https://phabricator.kde.org/D6334

M  +2    -8    kcms/touchpad/src/kcm/xlib/testarea.cpp
M  +1    -1    kcms/touchpad/src/kcm/xlib/ui/testarea.ui

https://commits.kde.org/plasma-desktop/5c3b8c7afa4a00fccd820d1a34975b0791cda257
Comment 8 Christoph Feck 2018-10-30 20:05:14 UTC 
*** Bug 399816 has been marked as a duplicate of this bug. ***