bug#2099: 23.0.60; `mark_object' with larger nested objects crashes Emacs

[Alan J Third]

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

> Markus Triska <markus.triska@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