bugtraq - Re: Changes to the filesystem while find is running

Open Source and information security mailing list archives

Date: Mon, 22 Nov 2004 21:33:14 +0300
From: "Dmitry V. Levin" <ldv@...linux.org>
To: Martin Buchholz <Martin.Buchholz@....COM>
Cc: srevilak@...akeasy.net, James Youngman <bugtraq@...ession.spiral-arm.org>,
	parimiv@...haw.com, levon@...ementarian.org,
	bugtraq@...urityfocus.com, bug-findutils@....org
Subject: Re: Changes to the filesystem while find is running - comments?

Hi,

On Mon, Nov 22, 2004 at 10:05:04AM -0800, Martin Buchholz wrote:
[...]
> If we have fchdir, I see find as maintaining a stack of
> file descriptors to directories that have been chdir'ed into.
[...]
> In general, use fchdir and fstat whenever possible.

find utility implementation should not base entirely on stack of file
descriptors, due to open file descriptors limits.

Same issues arise with fts(3)/ftw(3) implementations and its clones.

-- 
ldv

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