GNU bug report logs - #27986
26.0.50; `rename-file' can rename files without confirmation

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Package: emacs;

Reported by: Philipp <p.stephani2 <at> gmail.com>

Date: Sun, 6 Aug 2017 15:41:02 UTC

Severity: important

Tags: security

Found in version 26.0.50

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #121 received at 27986 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Monnier <monnier <at> IRO.UMontreal.CA>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: p.stephani2 <at> gmail.com, 27986 <at> debbugs.gnu.org, Eli Zaretskii <eliz <at> gnu.org>,
 John Wiegley <johnw <at> gnu.org>, rms <at> gnu.org
Subject: Re: bug#27986: 26.0.50;
 'rename-file' can rename files without confirmation
Date: Wed, 16 Aug 2017 20:04:25 -0400

> case (which was Eli's concern). Conversely, if B is an empty directory then
> rename(A,B) can succeed (and thereby remove the old B) if all the other
> conditions are met.

Ah, right, if it's an empty dir then it can be
removed/replaced atomically.  Thanks.  It does seem like the odd case
should be rare, then, indeed.


        Stefan
This bug report was last modified 7 years and 257 days ago.

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