[bug #39696] grub-probe leaks file descriptors to LVM2

[Mike GIlbert]

URL:
  <http://savannah.gnu.org/bugs/?39696>

                 Summary: grub-probe leaks file descriptors to LVM2
                 Project: GNU GRUB
            Submitted by: floppym
            Submitted on: Mon 05 Aug 2013 01:52:30 AM GMT
                Category: None
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 
                 Release: Bazaar - trunk
         Reproducibility: None
         Planned Release: None

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Details:

Downstream bug: https://bugs.gentoo.org/show_bug.cgi?id=479766

LVM2 outputs warning messages when it inherits file descriptors greater than
2. For example:

File descriptor 4 (pipe:[1016827]) leaked on vgs invocation. Parent PID 28778:
/usr/sbin/grub2-probe

Two solutions:
1. Close any open files/pipes before executing LVM2 commands
2. Set the LVM_SUPPRESS_FD_WARNINGS environment variable.




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