Your message dated Sun, 27 Dec 2020 23:50:07 +0100
with message-id <[email protected]>
and subject line Re: Bug#788546: nfs4 mount.nfs does not respect option "user"
in fstab in Jessie
has caused the Debian Bug report #788546,
regarding mounting as non-root using nfs-source from fstab as argument fails
to be marked as done.
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788546: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788546
Debian Bug Tracking System
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--- Begin Message ---
Package: nfs-common
Version: 1:1.2.8-9
Severity: serious
Since upgrade of the client from Wheezy to Jessie I am no longer able to
mount nfs4-exports from a host (leo) running Wheezy as a normal user
(UID=1000):
# showmount -e leo
Export list for leo:
/srv/nfs4/Bilder 192.168.33.0/24
/srv/nfs4 192.168.33.0/24
/etc/fstab entries on the clients (Jessi and Wheezy):
leo:/Bilder /home/ingo/leo.Bilder nfs4 noauto,rw,user,soft,relatime 0 0
In Wheezy all works as expected, in Jessie mount fails with:
$ LANG=en_US.UTF-8 mount leo:/Bilder
mount: leo:/Bilder: No such file or directory
However it is possible to perform the mount as "root".
Umount as user (UID=1000) fails with same "non informative" message:
$ LANG=en_US.UTF-8 umount leo:/Bilder
umount: leo:/Bilder: No such file or directory
This is a security flaw as users cannot mount/umount on demand without
root-privileges.
--- End Message ---
--- Begin Message ---
Version: 2.36.1-3
* Ingo <[email protected]>:
> Am 01.08.2016 um 15:33 schrieb Andreas Henriksson:
> > On Mon, Jul 25, 2016 at 10:13:29AM +0200, Ingo wrote:
> >> Am 24.07.2016 um 22:07 schrieb Andreas Henriksson:
> >> But "man mount" explicitely states:
> > [...]
> >
> > You're right, the manpage explicitly says in multiple places
> > that what you're doing should work... I'm still thinking ...
> ... to adjust the manpages?
> > using the mountpoint is always preferrable/recommended though. ;)
[..]
It appears upstream has improved this in two ways:
1) mount as non-superuser now fails with a descriptive error:
mount: /mnt: must be superuser to use mount.
2) the man page recommends to specify the mountpoint, for
non-superusers.
Marking as fixed in the version for bullseye.
Chris
--- End Message ---
