bugGNU TeXmacs - Bugs: bug #62915, Texmacs crashes with segfault on...

 
 

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bug #62915: Texmacs crashes with segfault on `\ldots,` in tabular environment

Submitter:  Caleb Kisby <cckisby>
Submitted:  Thu 18 Aug 2022 06:52:41 PM UTC
 
Category:  Editor Priority:  5 - Normal
Item Group:  Error Status:  Ready For Test
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  None Release:  2.1.2
Fixed Release:  None Fixed Release:  2.1.3
Keywords: 

Tue 06 Sep 2022 11:19:08 AM UTC, comment #3: 

Fixed, see r13897

Darcy Shen <sadhen>
Project Member
Thu 18 Aug 2022 08:21:46 PM UTC, comment #2: 

Furthermore, it could be even triggered simply by loading the attached tm file test.tm.

(file #53581)

Aeh9quu9 <ohnie0ai>
Thu 18 Aug 2022 08:17:54 PM UTC, comment #1: 

I can confirm this, and it has nothing to do with how the dots are inputted (I input three dots via inputting two dots . .).

I can also reproduce this without tabular, and in inline math, as long as ldots is the first symbol in a math environment (so for example, if there is something like ",...,", removing the first comma will also trigger a segfault).

Aeh9quu9 <ohnie0ai>
Thu 18 Aug 2022 06:52:41 PM UTC, original submission:  

The Texmacs editor will crash and throw a segfault when the user types `\ldots` followed by a comma `,` in certain environments -- specifically within a tabular environment nested in an unnumbered equation.

Error produced on:
  - KDE neon 5.25, running Texmacs version 2.1.1 installed via latest .deb I could find

How to reproduce:
  - Load any document (works with a blank document)
  - Enter an unnumbered equation via `\[`+[Return]
  - Enter a tabular environment via `\tabular`+[Return]
  - Type `\ldots,`  (the editor will crash on entering the comma)

Workaround:
  - Typing `,` followed by `,` will trigger the macro that will fill in the pattern `,\ldots,`.  But removing the first comma will reproduce the editor crash.

This workaround isn't entirely satisfactory, since the user can easily accidentally paste from Latex code that contains the `,\ldots,` pattern.

Caleb Kisby <cckisby>

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attached Files
file #53581:  test.tm added by ohnie0ai (159B - text/texmacs)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -email is unavailable- added by sadhen (Posted a comment)
  • -email is unavailable- added by jeronim (Updated the item)
  • -email is unavailable- added by ohnie0ai (Posted a comment)
  • -email is unavailable- added by cckisby (Submitted the item)
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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2022-09-06 sadhen StatusConfirmed Ready For Test
        Release 2.1.2
        Fixed Release 2.1.3
    2022-08-20 jeronim StatusNone Confirmed
    2022-08-18 ohnie0ai Attached File- Added test.tm, #53581

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