1 files changed, 1 insertions, 1 deletions

diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index d06df335ee7b..f26a8cad06e7 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -325,7 +325,7 @@ static int context_struct_compute_av(struct context *scontext,
                 goto inval_class;
         if (unlikely(tclass > policydb.p_classes.nprim))
                 if (tclass > kdefs->cts_len ||
-                    !kdefs->class_to_string[tclass - 1] ||
+                    !kdefs->class_to_string[tclass] ||
                     !policydb.allow_unknown)
                         goto inval_class;