* bug#32552: Core dump of Emacs 26.1 due to elisp variable definition
@ 2018-08-28 6:05 Barabosch, Thomas
2018-08-28 7:22 ` Eli Zaretskii
0 siblings, 1 reply; 3+ messages in thread
From: Barabosch, Thomas @ 2018-08-28 6:05 UTC (permalink / raw)
To: 32552; +Cc: Barabosch, Thomas
[-- Attachment #1: Type: text/plain, Size: 769 bytes --]
Hello,
the following piece of elisp crashes Emacs 26.1 (core dump):
> ;;; -*- lexical-binding: t -*-
> (defvar ;dead-beef* (symbol-function #'dead-beef)
> "Some random description")
Note a couple of things:
- lexical binding seems to be important (otherwise no crash)
- ; seems to be the major cause
- the variable definition must be split across two lines
Please find attached a minimal proof of concept. You should be able to
reproduce the crash with 'emacs -Q --script test_min.el'.
Best regards,
Thomas
--
Thomas Barabosch
Fraunhofer FKIE Tel.: +49 228 50212-601
Cyber Analysis & Defense Fax: +49 228 73-4571
Zanderstraße 5 D-53113 Bonn, Germany
http://www.fkie.fraunhofer.de/
[-- Attachment #2: test_min.el --]
[-- Type: text/plain, Size: 112 bytes --]
;;; -*- lexical-binding: t -*-
(defvar ;dead-beef* (symbol-function #'dead-beef)
"Some random description")
^ permalink raw reply [flat|nested] 3+ messages in thread* bug#32552: Core dump of Emacs 26.1 due to elisp variable definition
2018-08-28 6:05 bug#32552: Core dump of Emacs 26.1 due to elisp variable definition Barabosch, Thomas
@ 2018-08-28 7:22 ` Eli Zaretskii
2018-09-01 14:01 ` Eli Zaretskii
0 siblings, 1 reply; 3+ messages in thread
From: Eli Zaretskii @ 2018-08-28 7:22 UTC (permalink / raw)
To: Barabosch, Thomas; +Cc: 32552
> From: "Barabosch, Thomas" <thomas.barabosch@fkie.fraunhofer.de>
> Date: Tue, 28 Aug 2018 08:05:42 +0200
> Cc: "Barabosch, Thomas" <thomas.barabosch@fkie.fraunhofer.de>
>
> the following piece of elisp crashes Emacs 26.1 (core dump):
>
> > ;;; -*- lexical-binding: t -*-
> > (defvar ;dead-beef* (symbol-function #'dead-beef)
> > "Some random description")
>
> Note a couple of things:
>
> - lexical binding seems to be important (otherwise no crash)
>
> - ; seems to be the major cause
>
> - the variable definition must be split across two lines
Thanks, should be fixed now on the emacs-26 branch.
^ permalink raw reply [flat|nested] 3+ messages in thread
* bug#32552: Core dump of Emacs 26.1 due to elisp variable definition
2018-08-28 7:22 ` Eli Zaretskii
@ 2018-09-01 14:01 ` Eli Zaretskii
0 siblings, 0 replies; 3+ messages in thread
From: Eli Zaretskii @ 2018-09-01 14:01 UTC (permalink / raw)
To: thomas.barabosch; +Cc: 32552-done
> Date: Tue, 28 Aug 2018 10:22:12 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 32552@debbugs.gnu.org
>
> > From: "Barabosch, Thomas" <thomas.barabosch@fkie.fraunhofer.de>
> > Date: Tue, 28 Aug 2018 08:05:42 +0200
> > Cc: "Barabosch, Thomas" <thomas.barabosch@fkie.fraunhofer.de>
> >
> > the following piece of elisp crashes Emacs 26.1 (core dump):
> >
> > > ;;; -*- lexical-binding: t -*-
> > > (defvar ;dead-beef* (symbol-function #'dead-beef)
> > > "Some random description")
> >
> > Note a couple of things:
> >
> > - lexical binding seems to be important (otherwise no crash)
> >
> > - ; seems to be the major cause
> >
> > - the variable definition must be split across two lines
>
> Thanks, should be fixed now on the emacs-26 branch.
No further comments, so I'm closing this bug.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-08-28 6:05 bug#32552: Core dump of Emacs 26.1 due to elisp variable definition Barabosch, Thomas
2018-08-28 7:22 ` Eli Zaretskii
2018-09-01 14:01 ` Eli Zaretskii
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