[Bug 988055] Re: rpc.gssd memory leak

Jose Plans 988055 at bugs.launchpad.net
Wed Jun 6 14:29:26 UTC 2012


** Changed in: nfs-utils (Ubuntu)
       Status: New => Incomplete

** Changed in: nfs-utils (Ubuntu)
       Status: Incomplete => Opinion

** Changed in: nfs-utils (Ubuntu)
       Status: Opinion => Invalid

** Changed in: nfs-utils (Ubuntu)
       Status: Invalid => Won't Fix

** Changed in: nfs-utils (Ubuntu)
       Status: Won't Fix => Confirmed

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https://bugs.launchpad.net/bugs/988055

Title:
  rpc.gssd memory leak

Status in “nfs-utils” package in Ubuntu:
  Confirmed

Bug description:
  rpc.gssd appears to be leaking a small amount of memory every time
  it's used to authenticate a kerberized nFS mount.  I can reproduce by
  running:

  while sleep 1; do mount -o sec=krb5 nfsserver:/remotepath /mnt; umount
  /mnt; done

  While running this in a loop, you can observe from rpc.gssd's
  /proc/<pid>/status file that its VmRSS grows indefinitely, generally
  by about 4 kB per mount request.  On some of our servers that have a
  high turn-over rate of kerberized NFS mounts, we've seen the rpc.gssd
  process grow to more than 600 MB!

  This happens on lucid with nfs-common 1:1.2.0-4ubuntu4.2.

  I haven't been able to reproduce on precise with nfs-common
  1:1.2.5-3ubuntu3, but this is still an important bug for lucid.

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