From ab5703b34237da7034800ec2466ceebf88a7e685 Mon Sep 17 00:00:00 2001
From: Ron Yorston <rmy@tigress.co.uk>
Date: Tue, 18 Apr 2006 22:21:04 -0700
Subject: [PATCH] [PATCH] selinux: Fix MLS compatibility off-by-one bug
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>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
security/selinux/ss/mls.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index 640d0bfdbc68..84047f69f9c1 100644
--- a/security/selinux/ss/mls.c
+++ b/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;
}
--
GitLab