1 files changed, 7 insertions, 0 deletions

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c06883bf620e..61339e17a0f5 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -322,6 +322,13 @@ static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *
         x->props.family = p->family;
         memcpy(&x->props.saddr, &p->saddr, sizeof(x->props.saddr));
         x->props.flags = p->flags;
+
+        /*
+         * Set inner address family if the KM left it as zero.
+         * See comment in validate_tmpl.
+         */
+        if (!x->sel.family)
+                x->sel.family = p->family;
 }
 
 /*