GNU bug report logs - #59104
28.2; Uninitialized field command_modes in Lisp_Module_Function

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Package: emacs;

Reported by: Richard Copley <rcopley <at> gmail.com>

Date: Mon, 7 Nov 2022 11:32:02 UTC

Severity: normal

Found in version 28.2

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #13 received at 59104-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Richard Copley <rcopley <at> gmail.com>
Cc: 59104-done <at> debbugs.gnu.org
Subject: Re: bug#59104: 28.2;
 Uninitialized field command_modes in Lisp_Module_Function
Date: Thu, 10 Nov 2022 12:56:30 +0200

> Date: Wed, 9 Nov 2022 16:24:35 +0000
> From: Richard Copley <rcopley <at> gmail.com>
> 
> > The command_modes field seems to be uninitialized. This might print a
> > random integer, print a randomly selected lisp object from memory, or
> > segfault.
> 
> I can confirm that changing the 'field' argument from "interactive_form" 
> to "command_modes", in the invocation of ALLOCATE_PSEUDOVECTOR in 
> allocate_module_function (), fixes the problem. See "emacs-module.c", 
> line 564.

Thanks, I think this is the right fix, so I've now installed this on
the master branch, and I'm closing the bug.
This bug report was last modified 2 years and 280 days ago.

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