On Sun, 2011-07-24 at 15:57 -0400, Ted Ts'o wrote:
> On Sun, Jul 24, 2011 at 07:09:47PM +0100, Daniel Drake wrote:
> >
> > When the error occurs, dmesg says:
> > [ 5495.860391] EXT4-fs (loop0): Unrecognized mount option "seclabel"
> > or missing value
> >
> > Here is the corresponding entry from /proc/mounts:
> > /dev/loop0 /home/dsd/tmpdisk/mountpt ext4
> > rw,seclabel,relatime,barrier=1,data=ordered 0 0
> >
> > Is this a util-linux bug? Or an ext4 issue?
>
> Or a selinux thing; "seclabel" seems to be SELinux's fault:
>
It would seem so, I can't reproduce this issue on a "normal", non
SELinux box.
> % git grep LABELSUPP_STR
> security/selinux/hooks.c: {Opt_labelsupport, LABELSUPP_STR},
> security/selinux/hooks.c: seq_puts(m, LABELSUPP_STR);
> security/selinux/hooks.c: match_prefix(LABELSUPP_STR, sizeof(LABEL
> security/selinux/include/security.h:#define LABELSUPP_STR "seclabel"
>
> Personally, I find my life has been much happier since I gave up on
> SELinux as being too complicated to be secure.
+1!!
- Davidlohr
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