You were right Michael, this one was due to extra options that added by
mount. The manual page for "mount" (on Ubuntu) states the following for
the option "user":
This option implies the options noexec, nosuid, and nodev
(unless overridden by subsequent options, as in the option
line user,exec,dev,suid).
So, when the option "user" is added to the partition in fstab one also
have to add "exec,dev,suid" explicitly.
Sorry for consuming bandwidth on this, should have read the man page
more closely.
/Stefan
Stefan Farestam wrote the following on 09/06/2007 02:21 PM:
Michael Halcrow wrote the following on 09/06/2007 08:23 PM:
On Thu, Sep 06, 2007 at 08:08:32PM +0200, Stefan Farestam wrote:
Ok. Any guess as to what I need to change /update in my distro to
get this working? I use a stock kernel from kernel.org instead of
the one supplied by Ubuntu.
I don't think anything that drastic is going to be necessary. The
kernel you are using does not matter. What matters is what /bin/mount
is adding to the -o option set when you perform the mount. It's going
to take some detective work to find out why /bin/mount is setting the
noexec flag in your particular case; maybe it's something in your
/etc/fstab, or maybe it has something to do with your flags set on
your lower mount.
Interesting. Your comments prompted me to try around a bit with mount
options and I discovered that if I mount the encrypted file system
explicitly the noexec file is not set but when I use "mount -i" it is set.
This works fine (mounts the file system and noexec flag is not set in
/etc/mtab):
mount -t ecryptfs /b/encrypted /b/protected -o
cipher=aes,ecryptfs_key_bytes=32
This does not work (mounts the file system ok but yields the noexec
flag in /etc/mtab):
mount -i
What could be going on here?
--
Stefan Farestam
Mobile: +46 70 649 6838
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