[Bug 1030520] [NEW] logwatch: Makes use of $^X, broken under overlayfs.

[Mike Mestnik]

Public bug reported:

Bug number 1030519 tracks this issue in perl and Bug number 1007089 is
the root cause.  In Ubuntu perl is located in /usr/bin/perl, so using
$^X isn't necessarily needed.  Also you should investigate using eval()
or other methods to get a sub-perl instance.

One solution may be to copy stdin to another handle and then close stdin
and open STDIN $(cat ... |).  A pipepare can be used to get an actual
system filedescriptor.  Then the perl code can be run in an eval,
instead of a system.

I would be willing to help with development.

/etc/cron.daily/00logwatch:
sh: 1: /bin/perl: not found
sh: 1: /bin/perl: not found
system 'cat '/var/log/mail.log' '/var/log/mail.log.1'  | /bin/perl /usr/share/logwatch/scripts/shared/expandrepeats ''| /bin/perl /usr/share/logwatch/scripts/shared/applystddate ''>/tmp/logwatch.BMbdlb_J/maillog' failed: 32512 at /usr/sbin/logwatch line 871.
run-parts: /etc/cron.daily/00logwatch exited with return code 2

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: logwatch 7.4.0+svn20111221rev79-1ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-23.31-lowlatency-pae 3.2.14
Uname: Linux 3.2.0-23-lowlatency-pae i686
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
Date: Sun Jul 29 09:12:38 2012
PackageArchitecture: all
SourcePackage: logwatch
UpgradeStatus: Upgraded to precise on 2012-01-03 (208 days ago)

** Affects: logwatch (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 precise

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Title:
  logwatch: Makes use of $^X, broken under overlayfs.

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