GNU bug report logs - #2099
stack overflow in GC when creating large nested object

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Package: emacs;

Reported by: Markus Triska <markus.triska <at> gmx.at>

Date: Wed, 28 Jan 2009 23:15:02 UTC

Severity: wishlist

Tags: confirmed

Merged with 31362

Found in version 24.5

Done: Mattias Engdegård <mattiase <at> acm.org>

Bug is archived. No further changes may be made.

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From: Alan J Third <alan <at> idiocy.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 2099 <at> debbugs.gnu.org, Markus Triska <markus.triska <at> gmx.at>
Subject: bug#2099: 23.0.60; `mark_object' with larger nested objects crashes Emacs
Date: Sun, 10 Jan 2016 22:12:10 +0000

Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:

> Markus Triska <markus.triska <at> gmx.at> writes:
>
>> When you do:
>>
>>    $ emacs -Q --eval "(let (v) (while t (setq v (cons v v))))"
>>
>> then Emacs crashes with:
>>
>>    Program received signal EXC_BAD_ACCESS, Could not access memory.
>>    Reason: KERN_INVALID_ADDRESS at address: 0xbf7ffffc
>>    0x0013bc1a in mark_object (arg=40166541) at alloc.c:5372
>>    (gdb) bt
>>    #0  0x0013bc1a in mark_object (arg=40166541) at alloc.c:5372
>
> I can confirm that the crash is still present in Emacs 24:

And Emacs 25:

Fatal error 11: Segmentation fault
-- 
Alan Third
This bug report was last modified 3 years and 49 days ago.

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