GNU bug report logs - #59832
30.0.50; [TREESIT] Segfault in treesit_load_language

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Package: emacs;

Reported by: German Pacenza <germanp82 <at> hotmail.com>

Date: Mon, 5 Dec 2022 09:57:01 UTC

Severity: normal

Found in version 30.0.50

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

Bug is archived. No further changes may be made.

Full log

Message #23 received at 59832 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: German Pacenza <germanp82 <at> hotmail.com>
Cc: 59832 <at> debbugs.gnu.org
Subject: Re: bug#59832: 30.0.50; [TREESIT] Segfault in treesit_load_language
Date: Mon, 05 Dec 2022 17:42:14 +0200

> From: German Pacenza <germanp82 <at> hotmail.com>
> Cc: 59832 <at> debbugs.gnu.org
> Date: Mon, 05 Dec 2022 12:06:13 -0300
> 
> Eli Zaretskii <eliz <at> gnu.org> writes:
> 
> 
> > Thanks.  Please show the output of the following:
> >
> >   (gdb) frame 0
> >   (gdb) print XCAR(tail)
> 
> Running that after it crashes shows:
> 
> (gdb) frame 0
> #0  treesit_load_language (language_symbol=<optimized out>, signal_symbol=0x7fffffffd2f8, 
>     signal_data=0x7fffffffd300) at treesit.c:565
> 565	     char *library_name = SSDATA (XCAR (tail));
> (gdb) print XCAR(tail)
> No symbol "XCAR" in current context.
> (gdb) 

That's because your build is without -g3.  Can you rebuild with

  CFLAGS='-O2 -g3' ./configure ...

?
This bug report was last modified 2 years and 226 days ago.

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