[Bug 1544251] Re: mount ignores exec option for 'users' mounts

[Martin Pitt]

** Changed in: util-linux (Ubuntu)
       Status: New => Fix Released

** Also affects: util-linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

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Title:
  mount ignores exec option for 'users' mounts

Status in util-linux package in Ubuntu:
  Fix Released
Status in util-linux source package in Trusty:
  New

Bug description:
  The version of 'mount' included in Ubuntu 14.04 LTS and 12.04 LTS has
  a bug wherein the 'exec' option in /etc/fstab is ignored on mounts
  with the 'user' or 'users' options when they are mounted by root.  For
  example:

  $ grep 48tb2d /etc/fstab
  labdisk.site.com:/Public4	/mnt/lab_48tb2d	nfs	users,exec,nosuid	0 0
  $ sudo mount /mnt/lab_48tb2d
  $ mount | grep 48tb2d
  labdisk.site.com:/Public4 on /mnt/lab_48tb2d type nfs (rw,nosuid,nodev,noexec,addr=172.16.222.158)
  $ umount /mnt/lab_48tb2d
  $ mount /mnt/lab_48tb2d
  $ mount | grep 48tb2d
  labdisk.site.com:/Public4 on /mnt/lab_48tb2d type nfs (rw,nosuid,nodev,addr=172.16.222.158)

  This bug was fixed upstream several years ago and I believe therefore doesn't affect 15.10, but seems not to have made it into the current LTS releases of ubuntu.
  https://git.kernel.org/cgit/utils/util-linux/util-linux.git/commit/mount/mount.c?id=a4c0cc75ff9744299f108c259efab1bd30c8007a
  https://bugzilla.redhat.com/show_bug.cgi?id=769636

  System info: Ubuntu 14.04.3 LTS, util-linux 2.20.1-5.1ubuntu20.7

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