[Octave-bug-tracker] [bug #60334] Embedded Octave crashes on exit in octave::interpreter::~interpreter()

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?60334>

                 Summary: Embedded Octave crashes on exit in
octave::interpreter::~interpreter()
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sat 03 Apr 2021 05:46:34 PM UTC
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: Octave User
        Originator Email: octave-user@a1.net
             Open/Closed: Open
                 Release: 6.2.0
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

Dear GNU/Octave developers,

If I'm using Octave 6.2.1 in module-octave of MBDyn
(https://public.gitlab.polimi.it/DAER/mbdyn), I get a SIGSEGV on exit in
"octave::interpreter::~interpreter()". If MBDyn is compiled with Octave 5.2.0,
everything works find.

The SIGSEGV happens when the destructor of the symbol_table is called, because
the cdef_manager is destroyed before the symbol_table and the symbol_table
still references objects from the cdef_manager.
You can verify that in the attached log file from valgrind.

This issue can be fixed by calling the destructor of the symbol table before
the constructor of the cdef_manager. I have attached a patch for that
purpose.
When applying that patch, Octave's test suite shows no regressions.

Best regards,
Octave User



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File Attachments:


-------------------------------------------------------
Date: Sat 03 Apr 2021 05:46:34 PM UTC  Name:
embedded-octave-fix-SIGSEGV-on-exit.patch  Size: 4KiB   By: None

<http://savannah.gnu.org/bugs/download.php?file_id=51185>
-------------------------------------------------------
Date: Sat 03 Apr 2021 05:46:34 PM UTC  Name: valgrind.log  Size: 1MiB   By:
None

<http://savannah.gnu.org/bugs/download.php?file_id=51186>

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