no exec, suid or dev when mounting nfs with users or user flags

[mkovac]

1.
ubuntu 14.04

2.
nfs-common 1:1.2.8-6ubuntu1.1

3.
when mounting an NFS share using this line in /etc/fstab:
nexenta-cluster1:/pool1/home /home nfs _netdev,vers=3,intr,users,auto,exec,suid,dev 0 0

i expect to mount the share with exec,suid,dev properties, as specified in 'man mount' in the section about the "user" and "users" options:
This option implies the options noexec, nosuid, and nodev (unless overridden by subsequent options, as in the option line user,exec,dev,suid)

4.
BUT on Ubuntu 14.04 (and earlier releases too, although I dont' know how far back this goes), when I use 'user' or 'users' flags in /etc/fstab, subsequent specification of exec, dev or suid gets ignored. Doing a "mount -o remount,exec /mount_point" has no effect either.

The only way to mount a nfs share with "exec" is to not use 'user' or 'users' flags in fstab.

(On debian, this behaviour started with nfs-common version 1:1.2.5-4 introduced in debian wheezy and is in bug #657497. Nothing seems to be done about this bug there.)

I've tested this against various ubuntu, debian and nexenta nfs servers.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.