[Bug 1030519] Re: /proc/self/exe is not necessarily correct on overlayfs

[Bryce Harrington]

While there was some discussion by the kernel community around this on
the associated bug, it appears to remain unresolved there.  But it looks
to me that Robie's assessment still stands that it wouldn't be
appropriate to change this in just the logwatch patch alone.  Given the
age of this bug, I'm going to mark the logwatch task closed as I don't
think there's any further action we can take on it at this time.

** Changed in: logwatch (Ubuntu)
       Status: Incomplete => Invalid

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Title:
  /proc/self/exe is not necessarily correct on overlayfs

Status in logwatch package in Ubuntu:
  Invalid
Status in perl package in Ubuntu:
  Confirmed

Bug description:
  Perl should check the value from /proc/self/exe for correctness.  I'll
  open a bug in logwatch also, however there are likely many more
  applications that make use of this and depend on it's correctness.
  Bug number 1007089 tracks the overlayfs bug.

  /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: perl 5.14.2-6ubuntu2
  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 09:06:20 2012
  SourcePackage: perl
  UpgradeStatus: Upgraded to precise on 2012-01-03 (208 days ago)

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