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Subject[patch 09/22] selinux: Fix MLS compatibility off-by-one bug

From: Ron Yorston <rmy@tigress.co.uk>

Fix an off-by-one error in the MLS compatibility code that was causing
contexts with a MLS suffix to be rejected, preventing sharing partitions
between FC4 and FC5. Bug reported in
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=188068

Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
Acked-by: James Morris <jmorris@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

security/selinux/ss/mls.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.16.9.orig/security/selinux/ss/mls.c
+++ linux-2.6.16.9/security/selinux/ss/mls.c
@@ -264,7 +264,7 @@ int mls_context_to_sid(char oldc,

if (!selinux_mls_enabled) {
if (def_sid != SECSID_NULL && oldc)
- *scontext += strlen(*scontext);
+ *scontext += strlen(*scontext)+1;
return 0;
}

--
-
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