bugGNU Octave - Bugs: bug #57155, segfault at gui shutdown, if...

 
 

bug #57155: segfault at gui shutdown, if containers.Map constructor was called

Submitter:  None
Submitted:  Sat 02 Nov 2019 08:24:58 PM UTC
   
 
Category:  Interpreter Severity:  2 - Minor
Priority:  3 - Low Item Group:  Segfault, Bus Error, etc.
Status:  Duplicate Assigned to:  None
Originator Name:  Originator Email:  -email is unavailable-
Open/Closed:  * Closed Release:  * 5.1.0
Operating System:  * GNU/Linux Fixed Release:  None
Planned Release:  None
* Mandatory Fields

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Tue 05 Nov 2019 09:43:06 PM UTC, comment #2: 

The stack trace at the point of the fault looks exactly like that in bug #56878. I'm closing this as a duplicate, since that bug has also been closed as fixed on the default branch.

The segmentation fault only occurs when any classdef object has been instantiated and left in the workspace when Octave exits.

If this is important to someone, closing this bug doesn't prevent anyone from working on it, but from the Octave maintainers point of view this is probably best fixed by Octave 6.

Mike Miller <mtmiller>
Group Member
Sun 03 Nov 2019 03:13:04 AM UTC, comment #1: 

Confirmed.  And it affects the current stable branche that would become 5.1.1 if released.

On the positive side, this has been fixed on the development branch.  A new release of Octave is typically made around the end of the year, so it may just be easier to wait ~9 weeks for a new version.

Rik <rik5>
Group administrator
Sat 02 Nov 2019 08:24:58 PM UTC, original submission:  

Launch octave --gui, type


containers.Map()


Press Enter, close the GUI. Output:


[user@machine ~]$  octave --gui
[1] 294
[user@machine ~]$  fatal: caught signal Segmentation fault -- stopping myself...
octave exited with signal 11
[user@machine ~]$


Also happens with bare containers.Map, i.e. without parentheses.

The CLI interface does not raise the error message.

Happens on 5.1.0 from Fedora 31.
Does not happen on 4.4.1 from Debian 10.

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  • -email is unavailable- added by rik5 (Posted a comment)
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    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2019-11-05 mtmiller StatusConfirmed Duplicate
        Open/ClosedOpen Closed
        Dependencies- Depends on bugs #56878
    2019-11-04 rik5 Severity3 - Normal 2 - Minor
    2019-11-03 rik5 Priority5 - Normal 3 - Low
        StatusNone Confirmed

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