GNU bug report logs - #76327
29.4; random segfaults after switch to tree-sitter

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Message #86 received at 76327 <at> debbugs.gnu.org (full text, mbox):

From: Pip Cet <pipcet <at> protonmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 76327 <at> debbugs.gnu.org, eggert <at> cs.ucla.edu, dushistov <at> mail.ru,
 stefankangas <at> gmail.com, mattiasengdegard <at> gmail.com
Subject: Re: bug#76327: 29.4; random segfaults after switch to tree-sitter
Date: Tue, 18 Feb 2025 23:46:08 +0000

"Eli Zaretskii" <eliz <at> gnu.org> writes:

>> Date: Tue, 18 Feb 2025 18:16:58 +0000
>> From: Pip Cet <pipcet <at> protonmail.com>
>> Cc: Evgeniy Dushistov <dushistov <at> mail.ru>, 76327 <at> debbugs.gnu.org, Paul Eggert <eggert <at> cs.ucla.edu>, Mattias Engdegård <mattiasengdegard <at> gmail.com>
>>
>> Pip Cet <pipcet <at> protonmail.com> writes:
>>
>> > The asm statement is probably unnecessary.
>> >
>> > I'll try figuring out which compiler option is to blame now.
>>
>> Bug#65727 appears to be the relevant one.
>
> OK, so this should be definitely fixed in Emacs 30.  But Evgeniy says
> that even the master branch crashes, so what does this tell us?

Different bug?  I haven't seen a backtrace or anything for the master
branch, just a number of strange GC-related bugs that are all explained
by the __builtin_unwind_init thing, plus the -fsanitize=address thing.

>> Maybe the fix should be backported?
>
> Backported to Emacs 29?  We don't plan on any further releases from
> the emacs-29 branch.  Distros might consider backporting that if they
> still maintain and support Emacs 29 and older.

Okay.

Pip

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