[bug #45930] -ignore_readdir_race ineffective in find 4.5.11 and 4.5.14

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?45930>

                 Summary: -ignore_readdir_race ineffective in find 4.5.11 and
4.5.14
                 Project: findutils
            Submitted by: None
            Submitted on: Fri 11 Sep 2015 01:05:25 PM UTC
                Category: find
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Rainer Canavan
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.5.14
           Fixed Release: None

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Details:

We have a cron job that is used to clean cache directories. There's a log
going on in that directory, especially files getting moved from temporary
names to their final names after they have been written completely. We have
noticed that the find that is supplied with Centos7 (version 4.5.11) as well
as a find 4.5.14 built from unmodified source frequently prints "No such file
or directory" errors for the initial filenames of the temporary files, despite
the fact that we have specified -ignore_readdir_race, e.g.:

/usr/bin/find: ‘./engine/projects/portal/istmp1NYV9b’: No such file or
directory

This does not happen with a find 4.4.2 compiled from source. A trivial find in
the "busy" directory is sufficient to triffer the error message almost 100% of
the time:

find . -ignore_readdir_race > /dev/null






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