[PATCH] selinux: Fix regression for Xorg

[Stephen Smalley <sds@tycho.nsa.gov>]

Commit 6f5317e730505d5cbc851c435a2dfe3d5a21d343 introduced a bug in the
handling of userspace object classes that is causing breakage for Xorg
when XSELinux is enabled.  Fix the bug by changing map_class() to return
SECCLASS_NULL when the class cannot be mapped to a kernel object class.

Reported-by:  "Justin P. Mattock" <justinmattock@gmail.com>
Signed-off-by:  Stephen Smalley <sds@tycho.nsa.gov>

---

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

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 3e7544d..ea7c01f 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -213,7 +213,7 @@ static u16 map_class(u16 pol_value)
 			return i;
 	}
 
-	return pol_value;
+	return SECCLASS_NULL;
 }
 
 static void map_decision(u16 tclass, struct av_decision *avd,

-- 
Stephen Smalley
National Security Agency


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