Stephen Smalley wrote:
On Wed, 2006-10-18 at 23:47 -0300, Thiago Jung Bauermann wrote:
Hi,

I was playing with mounting filesystems specifying a context to the
mount command, and came across this limitation:

# mount -o loop,context=root:object_r:root_t:s0:c1,c4 foo /mnt
mount: wrong fs type, bad option, bad superblock on /dev/loop0,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

On the other hand, this works:

# mount -o loop,context=root:object_r:root_t:s0:c1.c4 foo /mnt
#

The "c1,c4" part of the context in the 1st command above is probably
being misinterpeted by the mount command, which uses comma to separate
options. Thus, it must be seeing a separate "c4" option to the
filesystem which is false. Is there a way to work around this?

See:
http://marc.theaimsgroup.com/?l=selinux&m=115944972832553&w=2
http://marc.theaimsgroup.com/?l=selinux&m=115944972813825&w=2
http://marc.theaimsgroup.com/?l=selinux&m=115944972820896&w=2
http://marc.theaimsgroup.com/?l=selinux&m=115944975417952&w=2

The kernel patch was upstreamed.  Dan, did the mount and nfsmount patch
get included into Fedora and RHEL?  If not, they need to be.

Please open a bugzilla on these. As we need bugzilla's in order to get these updates into the release.
Please cc me on the bugzilla.


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