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DateThu, 20 Apr 2006 21:38:36 -0700
FromGreg KH <>
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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