GNU bug report logs - #50339
master creashed in compact_small_strings

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Package: emacs;

Reported by: rms <at> gnu.org

Date: Thu, 2 Sep 2021 16:05:02 UTC

Severity: normal

Done: Stefan Kangas <stefan <at> marxist.se>

Bug is archived. No further changes may be made.

Full log

Message #14 received at 50339 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: rms <at> gnu.org
Cc: 50339 <at> debbugs.gnu.org
Subject: Re: bug#50339: master creashed in compact_small_strings
Date: Sat, 04 Sep 2021 20:35:56 +0300

> From: Richard Stallman <rms <at> gnu.org>
> Cc: 50339 <at> debbugs.gnu.org
> Date: Sat, 04 Sep 2021 13:18:28 -0400
> 
> s is nonzero.  It is 0x555556fb4bc0.
> from is 0x5555570edcc0
> 
> Is s supposed to be > from?

No, I think it's supposed to be equal to from.

> from->string is 0.  Strange.

Yes, because s = from->string != 0.

> size is 0x511be45adaa18398
> nbytes is 0x511be45adaa1838d
> 
> That value of size was used to calculate from_end and to_end.

Look like bogus values.

Very strange.

Does anyone have any idea how this could happen?
This bug report was last modified 3 years and 322 days ago.

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