Public bug reported:
find . -xdev reports "Permission denied" on fuse mounts instead of skipping
the mount point.
I found various bug reports on fuse mounts and it seems that fuse mounts are
still not properly handled with 12.04.1 LTS.
Programs like x2go create a fuse mount in /tmp !
e.g. mount | grep fuse
gvfs-fuse-daemon on /var/lib/lightdm/.gvfs type fuse.gvfs-fuse-daemon
(rw,nosuid,nodev,user=lightdm)
testuser@127.0.0.1:/media on /tmp/.x2go-testuser/media/disk/_media type
fuse.sshfs (rw,nosuid,nodev,max_read=65536,user=testuser)
So when a root cron job does something like
find /tmp -xdev (e.g. to cleanup old stuff) find does not skip the mount
point but reports a permission denied error.
This is not a clean behaviour.
Either find should correctly skip this mount point or root should be able to
scan everything on a machine.
To my opinion root is root is root, so there should be no restrictions on
following fuse mounts.
As root can su to the user or even change the users password and become the
user, I do not see any reason why root is restricted to follow fuse mounts
right away.
** Affects: checksecurity (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1091114
Title:
fuse mount cause problem to find -xdev
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