X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=security%2Fselinux%2Fss%2Fservices.c;h=5d0144ee8ed6d58e1f75043edcd7995cf1ca3a0e;hb=f743166da7e93b617dd93120cdb5edcc8b84c464;hp=c93c21127f0cc5b6bc55c2930fdfe2441dc2a19c;hpb=2ad48ee810335bdd99de96e1a0796ba34c0e8301;p=~andy%2Flinux

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index c93c21127f0..5d0144ee8ed 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1232,6 +1232,10 @@ static int security_context_to_sid_core(const char *scontext, u32 scontext_len,
 	struct context context;
 	int rc = 0;
 
+	/* An empty security context is never valid. */
+	if (!scontext_len)
+		return -EINVAL;
+
 	if (!ss_initialized) {
 		int i;