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coreutils-8.19 released (fixes sort -u data loss bugs)

From: Jim Meyering
Subject: coreutils-8.19 released (fixes sort -u data loss bugs)
Date: Mon, 20 Aug 2012 10:16:26 +0200

This is to announce coreutils-8.19, a stable release.

There have been 13 commits by 4 people in the 8 days since 8.18.

This release is primarily to fix two data loss bugs in sort -u.
See the NEWS below for a brief summary.

Thanks to everyone who has contributed!
The following people contributed changes to this release:

  Bernhard Voelker (1)
  Jim Meyering (9)
  Krzysztof Goj (1)
  Paul Eggert (2)

Special thanks to Rasmus Borup Hansen for reporting the sort -u problem
along with a reproducer, and to Paul Eggert for spotting the second bug
and for his minimal patch that fixed both bugs.

Jim [on behalf of the coreutils maintainers]

Here is the GNU coreutils home page:

For a summary of changes and contributors, see:;a=shortlog;h=v8.19
or run this command from a git-cloned coreutils directory:
  git shortlog v8.18..v8.19

To summarize the 9 gnulib-related changes, run these commands
From a git-cloned coreutils directory:
  git checkout v8.19
  git submodule summary v8.18

Here are the compressed sources and a GPG detached signature[*]:

Use a mirror for higher download bandwidth:

[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact.  First, be sure to download both the .sig file
and the corresponding tarball.  Then, run a command like this:

  gpg --verify coreutils-8.19.tar.xz.sig

If that command fails because you don't have the required public key,
then run this command to import it:

  gpg --keyserver --recv-keys 7FD9FCCB000BEEEE

and rerun the 'gpg --verify' command.

This release was bootstrapped with the following tools:
  Autoconf 2.69.19-1bb10
  Automake 1.12a
  Gnulib v0.0-7581-gbc33a8a


* Noteworthy changes in release 8.19 (2012-08-20) [stable]

** Bug fixes

  df now fails when the list of mounted file systems (/etc/mtab) cannot
  be read, yet the file system type information is needed to process
  certain options like -a, -l, -t and -x.
  [This bug was present in "the beginning".]

  sort -u could fail to output one or more result lines.
  For example, this command would fail to print "1":
  (yes 7 | head -11; echo 1) | sort --p=1 -S32b -u
  [bug introduced in coreutils-8.6]

  sort -u could read freed memory.
  For example, this evokes a read from freed memory:
  perl -le 'print "a\n"."0"x900'|valgrind sort --p=1 -S32b -u > /dev/null
  [bug introduced in coreutils-8.6]

** New features

  rm now accepts the --dir (-d) option which makes it remove empty directories.
  This improves compatibility with Mac OS X and BSD systems which also honor
  the -d option.

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