GNU bug report logs - #75520
Circular code or data can hang Emacs unquittably

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From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Eli Zaretskii <eliz <at> gnu.org>, Pip Cet <pipcet <at> protonmail.com>, Mattias Engdegård <mattiase <at> acm.org>, Stefan Monnier <monnier <at> iro.umontreal.ca>, Andrea Corallo <acorallo <at> gnu.org>
Cc: 75520 <at> debbugs.gnu.org
Subject: bug#75520: Circular code or data can hang Emacs unquittably
Date: Sun, 12 Jan 2025 11:12:59 -0800

On 2025-01-12 10:43, Eli Zaretskii wrote:
>> Date: Sun, 12 Jan 2025 17:08:24 +0000
>> From:  Pip Cet via "Bug reports for GNU Emacs,

>> There are similar issues with circular data: if Lisp code turns
>> process-environment into a circular structure, for example, call_process
>> will hang Emacs.  If this should be fixed, please let me know so I can
>> create a separate bug report and look for similar issues.
> 
> Thanks, let's hear what others (CC'ed) think about this.

I'd like the process-environment bug fixed too. The bug should be easy 
to fix, and an unquittable Emacs is a real pain for all concerned.

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